https://wiki.oarc.uk/ 2026-04-15T18:03:31+00:00 https://wiki.oarc.uk/ https://wiki.oarc.uk/_media/wiki:logo.png text/html 2025-03-16T16:53:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:9k6-rig-support?rev=1742144038&do=diff Rig support for 9600 BAUD packet This page is currently a WIP. Please revisit for updates! Kevin G7BCS Background This is going to get TL;DR, however, it might be interesting... Once I've arrived at some conclusions I'll create a less wordy summary, the aim being to make 9600 BAUD packet more accessible by discovering some of the issues around using 9600 BAUD packet with commercial off-the-shelf rigs. text/html 2025-10-21T10:43:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:authserver?rev=1761043425&do=diff LinBPQ Authserver <https://github.com/TAj-src/authserver> One Time Passcode server to enable RF only local URL calls. Output from the fetch URL is displayed to the user. make with make (Note: you may need to add libcurl) sudo apt-get install libcurl4-gnutls-dev edit 'creds' file with callsign (uppercase) and password. e.g. text/html 2024-09-10T11:20:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ax25-implementations?rev=1725967224&do=diff Known AX.25 implementations In no particular order Only including those which support connected sessions, i.e. not APRS-only KISSet <https://github.com/piemmm/KISSet> BPQ32 <https://github.com/g8bpq/linbpq> xrouter / xrpi <https://wiki.oarc.uk/packet:xrouter> Linux kernel <https://github.com/torvalds/linux/tree/master/net/ax25> Dire Wolf (via its AGW interface) <https://github.com/wb2osz/direwolf> AGW PE text/html 2024-07-11T21:55:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ax25-tracing?rev=1720734947&do=diff AX.25 Tracing Often in packet radio you will see output like this But what does it all mean? One OARC member, Perry 2E0ITB, came up with the following succinct explainer: RR is “Receive Ready” UA is “Unordered Acknowledge” I is information frame. text/html 2024-04-07T20:17:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:being_a_user?rev=1712521037&do=diff Building a packet user station A “User” is someone that temporarily connects to their local packet node, interacts with the node to send mail for example, and then disconnects. When they're not using the radio for packet they might use it for something else. text/html 2025-01-02T19:13:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:bpq-api?rev=1735845235&do=diff BPQ APIs The one built into BPQ BPQ has a simple and evolving HTTP REST API. It is used though the HTTPPORT (in this example is port 9122) endpoints: (note older versions were prefixed with 'get' (except request_token) /api/request_token /api/ports /api/nodes /api/users /api/info /api/links /api/mheardport/<port#> text/html 2024-08-24T11:26:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:bpq-tcp-chat-server?rev=1724498761&do=diff TCP Chat Server The following code, developed in part with ChatGPT, can be used with BPQ32 to create a chat server. When a user connects to the alias/node the server will log who has connected and then echo every message it recieves from that link to all other connected users text/html 2026-02-11T13:18:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:bpq?rev=1770815908&do=diff BPQ32 BPQ32 is node software which is current and maintained. There are Linux and Windows versions; the Linux version is known as LinBPQ. LinBPQ is a highly configurable and flexible piece of software - this makes it fairly complex. A BPQ node offers standard applications for chat and mailbox (BBS) and can be extended to support custom applications. text/html 2026-01-08T00:03:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:bpqmonweb?rev=1767830586&do=diff Tom 2E0JJI's bpqmonweb Tom has created a superb web application to monitor a BPQ or Xrouter node. Set up using Docker < To do > Set up manually This involves installing a web server & MQTT broker and configuring the whole lot. This is on a Pi running Raspberry Pi text/html 2023-07-27T14:06:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:bpqwhitelistrouteapproach?rev=1690466818&do=diff WARNING - THIS IS A KNOWLEDGE DUMP NOT A GUIDE - Info here is being shared by a beginner as is, and is likely wrong or missing key facts. Please use discord to discuss if things aren't making sense! Reducing Nodes As the packet network expands, more and more services appear, and more and more nodes are listed on each stations text/html 2025-05-25T19:38:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:bpq_commands?rev=1748201893&do=diff BPQ Node Commands This is not intended to be an exhaustive guide, but includes some less well known commands and variations that are found useful. Where letters are shown bold in a command it indicates the minimum letters of the command that are required. text/html 2026-03-26T06:54:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:bpq_logging_reduction?rev=1774508069&do=diff Reducing logging writes to a Pi SD card Generally speaking, software running under GNU/Linux writes logs using the syslog function which is provided by the standard C library, libc. A logger then attaches to this, and does “things” with the stream of information. Classic loggers include the almost ubiquitous text/html 2024-09-22T18:33:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:bpq_nodes_on_aprs?rev=1727030011&do=diff BPQ Nodes on APRS This guide explains how to configure BPQ nodes to interact with APRS (Automatic Packet Reporting System) using APRSDIGI. We'll cover formatting APRS data, configuring IDMSG and beacons, and setting up APRSDIGI for listening and forwarding data to the text/html 2024-01-13T10:57:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:bpq_transfer?rev=1705143425&do=diff Cloning BPQ installs If you have a node running on one system that you want to transfer over to another system, or if you were using the compiled version and want to switch to the APT repository version, then you'll need to copy specific files over to make sure the new system is a proper clone of the first one. text/html 2023-04-15T21:43:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:building_a_node?rev=1681595017&do=diff Building a Node What and why In a packet radio network, a node is a station which is often unattended, with one or more radios on different bands, generally forming a permanent part of the network, and generally offering some services to nearby stations which connect. text/html 2025-12-20T21:05:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:cables?rev=1766264748&do=diff Transceiver Connections Please extend this page with experiences and tips for specific radios. Yaesu 6 pin mini DIN radios A common standard for Yaesu radios is the 6 pin mini DIN plug. The easiest way to get a wired 6 pin mini DIN plug is to buy a plug-to-plug cable, commonly available on eBay, for around £5-6, and cut it in half. Then you have two! text/html 2023-10-30T11:55:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:chat?rev=1698666913&do=diff Packet Chat There are multiple different commonly used chat systems in the packet world. Here is a summary of some of them. BPQ Chat BPQ Chat is a Networked Converse/Chat server for the BPQ32 system. It supports a number of separate chat channels or text/html 2023-07-13T08:35:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:customserver?rev=1689237310&do=diff This is a Holding Page Until recently, it has been possible to configure Linux to natively support packet. This allowed for the creation of custom “packet servers” without needing specialist software - allowing users to easily run custom applications. text/html 2024-04-08T20:25:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:digipeating?rev=1712607937&do=diff Digipeating Digipeating refers to making use of an old feature of AX.25 which includes one or more “VIA” callsigns within the header. APRS makes extensive use of digipeating- actually using it as a kind of multicast, unlike how it works in connected mode. text/html 2024-08-29T17:36:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:dire-wolf?rev=1724953011&do=diff Dire Wolf Official website: <https://github.com/wb2osz/direwolf> Debian, Raspberry Pi OS, Ubuntu Dire Wolf packages for Debian and some Debian-derived Linux distributions are available from the OARC Package Repository. Windows Binaries built from dev branch, with IL2P: 1.7.0-11468f2 for Windows x64 (April 2023): text/html 2024-05-02T20:20:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ft-450d?rev=1714681203&do=diff Relocated to radios:ft-450d text/html 2023-08-29T16:34:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:gb7cip-infotext?rev=1693326898&do=diff GB7CIP Info Text Archiving this here because it's both long (so slow to fetch) but also quite useful Hello gb7uod (M0LTE) BBS GB7CIP - IO91WH Caterham on the Hill Surrey 20 Km south of Finance Centre of the City of London 177M 580ft ASL upon the North East Surrey Hills Caterham Radio Group CatRad Realtime Data Over Amateur Radio TCPIP Host (gb7cip.ampr.org)[44.131.244.1] AX25_FBB Full Service Server. Part of the East Surrey North Network Hub [tcpip uk subnet … text/html 2023-08-18T15:50:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:globalnet?rev=1692373848&do=diff "GlobalNet" - A Global Packet Routing System By Paula G8PZT Spring 2004 Reproduced from UK Amateur Packet Radio Conference 2004 Proceedings 2023 Foreword While it is reportedly still present in xrouter, GlobalNet ultimately did not take off. However, the underlying thinking is still of interest and so this document is preserved here. text/html 2023-11-11T13:47:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:glossary?rev=1699710460&do=diff Packet glossary of terms A ACKMODE - Option in KISS. ACKMODE enables the transmission of 'ACK required' frames. These cause the TNC to send a reply when the frame has been transmitted. This will improve link performance by avoiding the possibility of a retry being sent before the original frame has even left the TNC. This mode should always be used if the TNC support it text/html 2024-03-26T23:42:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:gm340?rev=1711496567&do=diff GM340 The Motorola GM340 can be configured as VHF or UHF at the factory and supports deviation suitable for 1200bd and 9600bd Prior Example MM0RFN is using a GM340 as the 9600bd/UHF port on GB7HIB. General programming advice from <https://www.bi7jta.org/wiki/index.php?title=Main_Page#GM340.2FGM350.2FGM360> was followed, including connector definition. text/html 2025-02-08T18:26:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:gm1280?rev=1739039176&do=diff Motorola GM1280 The Motorola GM1280 supports trunking, but also has a “conventional” mode which makes it useful for packet radio. It has been found to work with the 9600 baud GFSK mode which is great for a fast packet link. Power The radio nominally uses 13.2V, but works happily at 12V too. The power connector on the rear is SAE, commonly used in the automotive industry. text/html 2023-04-03T22:34:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:hardware_tncs?rev=1680561241&do=diff Hardware TNCs Hardware TNCs come in two main flavours: KISS, and traditional. Traditional TNCs are generally serial host devices, to which you connect with a serial cable and a USB adapter, using terminal software like PuTTY or Tera Term, and they present a command shell to the user to type commands to. text/html 2025-06-10T14:19:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:history?rev=1749565167&do=diff Packet History The Beginnings of Packet Radio in the UK by Jonathan G4KLX This document is based on my memories of the time. I do not keep a diary so some of the dates may be a little off, although some of them stay with me and I can date them based on other events occurring at the same time. Although this document is split into sections, and will be read linearly, the reality was that a lot of these things happened in parallel, and there will be a lot of cross referencing between different to… text/html 2024-03-26T23:16:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ic7300?rev=1711495009&do=diff Packet on IC7300 Robin M0JQQ has successfully run the IC7300 with NinoTNC. Robin M0JQQ reports: " Don't put the TNC too close to the IC7300 - it does not appear to like it! I had a short connecting lead and had lots of noise on the input to the opamp on the TNC with the TNC sitting on top of the radio text/html 2024-09-27T18:21:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ip?rev=1727461274&do=diff IP and Packet Radio It has been possible for a long time to run IP over packet radio. There are some limitations: * At anything but high speeds (e.g. 4800bps and up), modern TCP/IP implementations perform poorly since the higher layers in modern operating systems have now typically been tuned for high bandwidth, low latency, low loss network devices. This results in a poor user experience. text/html 2023-04-16T23:40:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:kernel-ax25-pi?rev=1681688427&do=diff Raspberry Pi and Linux Kernel AX.25 support This page documents how to set up a Raspberry Pi running Raspberry Pi OS Lite (32 bit), and was written by Szymon M0GZP. It is possible to do this on 64 bit Raspberry Pi OS as well, so long as you are consistently using 32 bit or 64 bit throughout; see the notes below. text/html 2023-04-10T16:04:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:key-radio-km3000-km4000?rev=1681142679&do=diff Key KM3000/KM4000 The Key KM3000 / KM4000 is a VHF mobile transceiver available for £20 + postage from TVRG (contact Chris G4CCC - <https://radarc.org/tvrg>). The KM3000/4000 are both similar but the 4000 was a result of some components becoming obsolete. These are set to TVRG for 15W RF output but are capable of 25W, but for amateur voice conversations they may get a bit hot at this power level. text/html 2024-09-02T12:45:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:kiss-protocol?rev=1725281147&do=diff The KISS TNC: A simple Host-to-TNC communications protocol Mike Chepponis, K3MC Phil Karn, KA9Q Presented at the ARRL 6th Computer Networking Conference, Redondo Beach CA, 1987. Translated to HTML by KA9Q, January 1997. Translated to Dokuwiki markup by M0LTE, May 2023. text/html 2023-03-30T13:22:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:lessons_learned?rev=1680182543&do=diff Lessons learnt Suggested By Lesson Lesson Learnt Suggestion Paula - SWL Premature loss of nodes Nodes “drop off” a stations list when they haven't been heard for a certain number of broadcasts. This frequency rate is set by the station itself. If node broadcast rates on the listening station are too frequent say 10 mins, vs 1 hour on the neighbour, it's possible for nodes to drop off when they could only ever have had the chance to be heard once. text/html 2025-07-30T09:35:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:linbpq-apt-installation?rev=1753868110&do=diff LinBPQ Installation using apt This is the way which OARC recommends installing LinBPQ. It is suitable for Debian-based operating systems, e.g. Debian, Raspberry Pi OS. It does not ship for Ubuntu (yet?). This page and the package it refers to are NOT the first party documentation or packaging for LinBPQ. text/html 2025-05-31T17:34:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:linbpq-from-source?rev=1748712841&do=diff Building LinBPQ from source sudo apt update sudo apt install git build-essential libminiupnpc-dev libconfig-dev libjansson-dev libpcap-dev libzip-dev libpaho-mqtt-dev #git clone git://vps1.g8bpq.net/linbpq git clone https://github.com/g8bpq/linbpq.git cd linbpq make chmod +x linbpq ./linbpq -v text/html 2024-07-08T08:19:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:linbpq_custom_applications?rev=1720426768&do=diff Custom Applications in LinBPQ When you connect to a BPQ32 Node, you may be offered custom applications as well as the standard commands: ABNGDN:G6FJI} BBS CHAT HARS CONNECT BYE INFO NODES PORTS ROUTES USERS MHEARD Here the first three commands are applications defined in the nodes configuration file, bpq32.cfg: text/html 2024-05-15T10:05:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:linbpq_monitoring?rev=1715767544&do=diff Monitoring LinBPQ through SNMP Enable SNMP on LinBPQ N.B. This approach requires a recent version of LinBPQ, 6.0.24.34 or later. Older releases supported SNMP through the IPGATEWAY feature - see snmp_graphs In the config for your telnet port, look for the existing text/html 2024-10-19T10:07:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:linbpq_pc_installation?rev=1729332470&do=diff Installing LinBPQ on Linux PC NB this process has now been superseded since one of our members has kindly established an apt repo containing a build of LinBPQ. See linbpq-apt-installation for a guide. Building LinBPQ from source text/html 2023-10-01T22:20:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:linbpq_pi_installation?rev=1696198813&do=diff Installing LinBPQ on a Raspberry Pi This is a document which describes the general case of installing and configuring LinBPQ on a Pi - this is probably not the instructions to establish a node specific to the OARC national packet project network. NB this process has now been superseded since one of our members has kindly established an apt repo containing a build of LinBPQ. text/html 2025-03-30T15:47:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:lora?rev=1743349658&do=diff LoRa for AX.25 Packet, and APRS The LoRa mode, designed for low power and long range, can be used as the physical mode for APRS and connected mode packet radio (BBSes, nodes etc.) There is already a good amount of APRS over LoRa, and it is continuing to grow (see text/html 2025-03-30T15:52:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:lora_vhf_aprs_gateway?rev=1743349935&do=diff VHF-LoRa APRS Gateway Experiment by 2E0HKD LoRa based APRS has taken off, but still remains largely separate from classic 2m FM APRS other than both being ingested into APRS-IS. As LoRa was fairly quiet in my area, I wanted to try and make a cross-band gateway where LoRa and VHF text/html 2024-02-07T12:08:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:mail?rev=1707307697&do=diff Packet Mail It's possible to send messages, or mail, through a packet network. It's similar in operation to e-mail, where a message has from, to, and subject fields as well as a message body, and optional attachments. SYSOPS of packet nodes must work together to configure routes for forwarding mail (See Hierarchal Routing), and once a message is sent it'll be forwarded from one node to another until it reaches its final destination. text/html 2023-06-17T08:48:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:maxon-transceiver?rev=1686991706&do=diff This has been moved to Maxon info text/html 2024-04-14T11:26:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:mmdvm-tnc?rev=1713093971&do=diff MMDVM-TNC MMDVM-TNC is a new firmware for some MMDVM hardware which enables high speed (9600 bits/sec, potentially 19200 or 38400 bits/sec in future) C4FSK IL2P modem functionality using new modulations which will be interoperable with the NinoTNC in due course. text/html 2025-01-02T22:54:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:modern-packet-mail?rev=1735858452&do=diff Modern Packet Mail Early work in progress Requires: <https://github.com/packethacking/bpq-compose> + local up to date BPQ instance containing mail iPhone setup Email address can include hashes on iOS since it is a compliant client! Hostname: hostname / IP of the box hosting bpqapi Username: your BBS username, generally a callsign text/html 2024-08-21T17:13:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:modes?rev=1724260385&do=diff Packet Modes See also: <https://www.sigidwiki.com/wiki/PACKET> (though some of its information is dubious) Spectral Efficiency Comparison Mode Bitrate (kbps) RF b/w (kHz) kb/s per kHz TETRA 28.80 25.0 1.1520 text/html 2023-10-06T11:01:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:monthly_packet_update?rev=1696590092&do=diff Monthly Packet Updates Every month we try to collate the latest news and updates from the packet radio world. You can find the updates for previous months below: * September Update * August Update * July Update * June Update * May Update * April Update * March Update How to get involved * Join the OARC Discord server ( text/html 2023-08-21T16:03:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:netrom-data-multiplexing?rev=1692633786&do=diff Packet White Paper: 109 Paula Dowie July 2001 NET/ROM DATA MULTIPLEXING STATUS OF THIS MEMO This document proposes a simple extension to the NET/ROM layer 4 transport protocol, allowing up to 65536 different types of “service” to be hosted on a node, using a single Secondary Station Identifier. text/html 2025-06-30T19:42:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:netrom-notes?rev=1751312558&do=diff NET/ROM Notes (M0PYL keeping NET/ROM Notes here) Standard: NET/ROM Protocol Payloads (Based on a comment in BPQNRR.c from the linbpq code) When the frame type is 0x00 the “circuit index” and “circuit id” (first 2 bytes of the transport header) take on a different meaning: text/html 2025-11-09T21:53:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:network-monitoring-project?rev=1762725195&do=diff DRAFT Introducing the Packet Node Monitoring Service A real-time, open stream of what’s actually happening on the amateur packet network — built with and for the community. Amateur packet is resilient by design — but our visibility into why a path is slow, text/html 2023-07-25T20:55:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:network105?rev=1690318514&do=diff Network 105 Ref <https://groups.io/g/network105/topic/welcome_to_all_network_105/11899281> "Network 105" is a group of packet ham radio operators who enjoy chatting over the hf 20 meter band on 14.105 MHz. Most "conversations" are point-to-point, that is, one ham "talking" to another. However, at times, there can be groups of operators communicating together on a converse channel, a place where multi-chats may take place! The impetus for all this activity was due primarily to Bur… text/html 2025-11-12T18:00:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:new-packet_radio_3_0?rev=1762970424&do=diff New Packet Radio 3.0 This page covers supporting information for users of New Packet Radio (NPR) 3.0 - the latest revision of the original F4HDK-invented New Packet Radio modem first released in 2019. NPR 3.0: Quick Start By default, NPR 3.0 firmware is configured in Client mode, To establish a link, a Client and Master is required. Quick start setup for both is covered below. text/html 2025-07-06T19:51:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ninotnc-ble?rev=1751831485&do=diff NinoTNC BLE An OARC Group-buy and build was organised in April 2025 for the NinoTNC BLE board developed by David K4DBZ Source is available from GitHub, PR's welcome The latest compiled firmware for the onboard Pico is availablehere What is it? The NinoTNC BLE board allows one to connect to a NinoTNC over Bluetooth and BLE, allowing for a user to use a TNC with a smartphone or tablet/laptop without the need to use a text/html 2024-10-20T12:48:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ninotnc-ka2dew-case?rev=1729428534&do=diff KA2DEW NinoTNC case [ here] is a case by Tadd KA2DEW In his own words: It uses (4) M2.5 15mm screws (4) M2.5 nuts (1) M3 10mm screw (1) M3 square nut The nut is captive (actually it slides into the finished print) so it may have to be the specific unit. It's called a text/html 2023-10-29T16:50:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ninotnc-on-hf?rev=1698598223&do=diff Experimental HF Waveforms The Nino TNC (or Nino Modem) has been designed with flexibility in mind, so ongoing work includes some experimental HF data waveforms, both FSK and PSK. Below are some general guidelines on how to marry the Nino TNC to an HF radio and to set the audio levels appropriately for effective communications. text/html 2025-02-15T22:38:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ninotnc-ordering-howto?rev=1739659128&do=diff Ordering NinoTNC Click-by-click instructions on placing a component-lny order for NinoTNC. It's simpler and quicker than this implies! Note this does not include microcontroller or PCB- you need to place separate orders for those. * Download and save the BoM file to your computer - this page, under Order the Parts: text/html 2025-08-21T13:49:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ninotnc-udev?rev=1755784190&do=diff NinoTNC udev Guide This guide is intended to assist you in creating static devices for any number of NinoTNCs connected your Raspberry Pi. The device nodes set up will remain constant across restarts, power cycles, and moving the NinoTNC usb cable to a different usb port. text/html 2026-02-08T14:36:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:ninotnc?rev=1770561393&do=diff NinoTNC The N9600A is a USB interfaced multi bitrate USB KISS TNC, supporting modulations suitable for all bands and both FM and SSB. The NinoTNC is designed by Nino KK4HEJ for use in Amateur Radio packet data networks. The 2400 baud DPSK modem supports many microphone-audio transceivers, and 4800 baud GFSK is great for use in data-radio/9600 transceivers which don't quite cut it for 9600 baud. On top of that, it supports both AX.25 for compatability with legacy TNCs, and a new link-layer encod… text/html 2026-01-28T17:47:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:nodes?rev=1769622450&do=diff Packet Node Directory This is a listing of packet nodes which are known to OARC - not necessarily just those owned/run by OARC members. GB7BDH See <https://ukpacketradio.network/nodes:gb7bdh> G3PIA Keeper: Harwell ARS Location: Harwell, Reading - IO91jo Antenna: unknown Bands/modes: 144.950MHz 1200 baud AX.25 text/html 2025-12-21T13:33:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:outpost?rev=1766324031&do=diff How to setup Outpost PMM using telnet to connect to BPQ BBS Use case I wanted to connect to my local BBS via telnet to download bulletins and send mail. Prerequisites * Download and install Outpost from https://www.outpostpm.org/index.php * Create telnet user in your telnet port configuration. User must be your callsign, the same as your BBS call. text/html 2025-04-21T10:09:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:packet-white-papers-about?rev=1745230144&do=diff Packet White Papers Note: this page contains personal opinion and is not authoritative. Nobody is in charge and there are no rules. Packet White Papers (PWPs) are a Packet Radio version of the Internet RFC (Request For Comment) series. They are mainly intended for sharing ideas and information between persons interested in Packet Radio development, and for stimulating discussion and development. text/html 2024-04-10T15:06:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:packet_documents?rev=1712761616&do=diff Packet Documents Somewhere for documents to live that have been recovered from the far flung edges of the internet. Specifications [ The KISS TNC: A simple Host-to-TNC communications protocol ] [ AX.25 Amateur Packet-Radio Link-Layer Protocol, v2.0, October 1984 ] [ AX.25 Link Access Protocol for Amateur Packet Radio v2.2, revision July 1998 ] [ AX.25 Link Access Protocol for Amateur Packet Radio v2.2, revision 10 September 2017] [ The NET/ROM Protocol ] [ Internode Protocol (INP3) - And… text/html 2025-11-05T15:56:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:packet_network_monitoring_project?rev=1762358195&do=diff Packet Network Monitoring Project The purpose of the Packet Network Monitoring Project (PNMP) is to collect packet traces and status reports from all participating nodes, and make them available for network research, monitoring, and fault tracing. text/html 2024-05-11T11:21:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:protocols?rev=1715426483&do=diff This is some information about various protocols used in packet radio. KISS Keep It Simple Silly Protocol used between a TNC and a computer. See The KISS TNC: A simple Host-to-TNC communications protocol, and Packet Documents. AXIP AX.25 over IP (Although frequently incorrectly used to mean AX.25 over UDP/IP). Appears to be an AX.25 frame in an IP packet with the IPPROTO field set to 93. text/html 2024-04-29T19:31:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:qtsoundmodem?rev=1714419096&do=diff QtSoundModem Official Website: <https://www.cantab.net/users/john.wiseman/Documents/QtSoundModem.html> QtSoundModem (QtSM) is a multi-platform port of UZ7HO's Sound Modem - a software modem that uses a computer's sound interface to send and receive AX.25 data, known as packet radio. It supports various baud rates from 300 to 4800 baud and modern extensions like FX.25 and IL2P, and if you already have a suitable sound interface and method to trigger a PTT its a quick and easy way of getting sta… text/html 2026-01-26T12:07:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:qttermtcp?rev=1769429253&do=diff QtTermTCP Official Website: <https://www.cantab.net/users/john.wiseman/Documents/QtTermTCP.html> QtTermTCP is a software package created by John G8BPQ that acts as a “terminal” for interacting with packet radio stations. It can connect to directly to a BPQ node using FBB over IP, or the more recent beta version supports text/html 2023-10-21T21:02:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:radios?rev=1697922122&do=diff See Packet Radio Transceivers text/html 2025-06-07T20:41:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:reading_traces?rev=1749328886&do=diff Reading AX.25 Traces Often in packet radio you will see output like this: AX.25 2.2 packets are either “commands” or responses“. Commands can have a “P” poll bit set, and responses will echo that back as an “F” final bit. * C is often used for SABM (Set Asynchronous Balanced Mode) - Creates a new AX.25 2.0 connection. text/html 2024-09-22T18:15:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:snmp_graphs?rev=1727028934&do=diff With LinBPQ you can make graphs for the traffic flow through your node. You can use this technique or you can grab the SNMP data and use it via any other SNMP graphing tool. LinBPQ has the following OID's IfINOctets = 1.3.6.1.2.1.2.2.1.10.<port> IfOUTOctets = 1.3.6.1.2.1.2.2.1.16.<port> SysUpTime = 1.3.6.1.2.1.1.3.0 SysName = 1.3.6.1.2.1.1.5.0 text/html 2024-05-17T10:09:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:software?rev=1715940556&do=diff Packet Radio Software This page aims to index (and where possible, link to) Packet Radio software in a central place. * QtSoundModem - A software KISS and AGW TNC which uses sound cards and GPIO/Serial to interface with radios * UZ7HO SoundModem - The original, windows-only predecessor of QtSoundModem text/html 2023-04-22T19:01:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:start_ninotnc?rev=1682190069&do=diff Getting into Packet Radio with a NinoTNC kit by Simon - 2E0UMS If you are looking to get into Packet Radio then there are a lot of options. Obviously check out the Packet and Networks channel on our discord service. If you like to self-build your kit, let me introduce the text/html 2023-04-18T17:37:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:tait2xxx?rev=1681839435&do=diff relocated to tait2xxx text/html 2024-08-30T14:24:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:tait_tiny2_setup?rev=1725027880&do=diff Linking Tait 2010-II to PacComm Tiny-2 Tiny-2 I aquired a Siskin Tiny-2 clone from eBay, along with a DB9 female to female cable and a USB to Serial adapter. The lights came on when I applied power, but Putty just showed gibberish when I tried to connect. The Tiny-2 manuals are readily found online, and claim that the standard 8N1 settings should work, but I ended up needing: text/html 2025-10-31T21:29:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:tarpn-mon?rev=1761946170&do=diff TARPN-MON TARPN-Mon is a web page created by Michael W2AM for the TARPN project. It is described here -> <https://tarpn.net/t/builder/builders_tarpn_mon.html> To use it on a non-TARPN installation, you need at-least v0.1.1 available here -> <https://github.com/wozz/tarpn-mon/releases> Download tarpn-mon.linux-arm32 and make it executable text/html 2024-04-01T19:44:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:tnc-2?rev=1712000660&do=diff Tucson Amateur Packet Radio TNC-2 In 1983, the Tucson Amateur Packet Radio (TAPR) association produced complete kits for their TNC-1 design. This was later available as the Heathkit HD-4040. A few years later, the improved TNC-2 became available, and it was licensed to commercial manufacturers such as MFJ. text/html 2026-02-15T23:13:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:transceivers?rev=1771197236&do=diff Packet Radio Transceivers Here's a member-contributed list of experiences with particular radios. Make/model Band(s) 9600 baud? Programming Interfacing Typical price Verified with NinoTNC Member(s) Yaesu FT-991A 160m to 70cm ? ? USB (PC) / 6 pin mini DIN (modem) text/html 2025-08-27T14:01:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:transceivers_144pk?rev=1756303312&do=diff Wood & Douglas 144 PK 144Mhz packet transceiver A reverse engineering project by G7TAJ A post by Nick G4TAI on the OARC forums about a boot sale find, turned into a few discussions about it as he was wondering how it worked and if it would be possible to change the frequencies. It was on the old 1980’s 144Mhz frequencies. A few discussions later and I agreed, for a few beer coins, to take it and see what I could find out as a little interesting project (I always want to know how things work in… text/html 2024-03-26T23:19:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:transceivers_by_purpose?rev=1711495186&do=diff Transceivers by Purpose There are a huge variety of radios we can use for packet transmissions. These can be subdivided in many ways. Below are some automatically generated lists from information by our members. UHF 1200bd 9600bd VHF 1200bd 9600bd text/html 2024-11-03T19:24:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:tr_usdx?rev=1730661848&do=diff Packet on (tr)uSDX Anthony M7TAW has successfully got this running on 40m HF Packet. Please note as this transceiver is QRP, it is not the optimal setup, but if you pray to the sun gods it can work. M7TAW current setup Raspberry Pi --> Digirig --> uSDX Digirig audio cable --> (tr)uSDX. text/html 2025-03-28T11:40:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:whatspac?rev=1743162049&do=diff WhatsPac WhatsPac is a great new application for packet that has chat channels and private messages. Visit <http://whatspac.m0ahn.co.uk:88/> for more information. It is currently in beta and being actively developed but already has a nice user base. There is currently only one server running on text/html 2026-02-20T15:27:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:wireshark?rev=1771601244&do=diff Introduction Wireshark is a useful tool for capturing and analysing network traffic. Out of the box it supports numerous protocols including AX.25, and can be extended to decipher many more, AXUDP and AXTCP In order to handle encapsulated AX.25 it's necessary to use a small script to tell Wireshark which ports it should expect to find traffic on, and to decipher it. text/html 2024-07-17T05:59:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:xrouter-easyterm?rev=1721195988&do=diff HOWTO: Use UZ7HO's Easyterm With XRouter There are many programs called “Easyterm”, at least 2 of which are for Packet Radio. The older one was by Cathy G6AMU. The more recent one is by Andrei UZ7HO. This HowTo concerns only the latter, available here: text/html 2023-07-29T14:49:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:xrouter-qttermtcp?rev=1690642196&do=diff HOWTO Use QTTermTCP With XRPi / XRLin 29 July 2023, G8PZT NOTE: This is a “quick and dirty” howto. Please feel free to refine it, add pictures, whatever.. QTTermTCP is a very popular “terminal” program for Packet Radio, written by G8BPQ. It can be used with BPQ node, as well as with other Packet programs, including XRouter. This document focuses on how to set up XRouter so that it can be used by QTTermTCP. It assumes you already have working copies of both QTTermTCP, and XRouter (i.e. XRPi o… text/html 2025-10-21T10:56:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:xrouter-service?rev=1761044213&do=diff XRouter running as a systemd service As XRouter is distributed as a loose binary, a little work is needed to get it set up as a service. * Set up a dedicated user to run as (“xr” in this example) * Copy the XRouter binary for your platform (probably xrpi64 or xrlin64) to the home directory text/html 2026-01-08T00:06:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:xrouter?rev=1767830767&do=diff XRouter XRouter is innovative Packet Radio node / BBS / digipeater / terminal software, which is current and maintained. It is a highly stable and user-friendly alternative to BPQ node, made in the UK, for those who “dare to be different!” XRouter has been in constant development since 1996, always at the cutting edge of Packet Radio. Breaking new ground is what the author likes to do best. text/html 2023-07-15T15:53:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:xrpi-direwolf?rev=1689436404&do=diff Interfacing Node Software XRPi / XRLin With Direwolf 15th July 2023 DISCLAIMER: This is not yet a comprehensive HOWTO. It is a Direwolf newbie's account of her first 10 minutes with Direwolf and XRouter. Using a non-root terminal I downloaded and built Direwolf using the following sequence.. text/html 2024-02-15T02:33:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/packet:xrpi?rev=1707964383&do=diff XRPi / XRLin / Xrouter XRouter is the generic name of a monolithic, colourful, multilingual, closed source AX.25 and TCP/IP packet router program. It is very flexible, is a testbed for new ideas, and is still actively being developed. It comes in 3 flavours: XRLin for x86 Linux, XRPi for raspberry pi (32 and 64 bit versions available), and XRWin for Microsoft Windows.