https://wiki.oarc.uk/ 2026-04-12T16:35:05+00:00 https://wiki.oarc.uk/ https://wiki.oarc.uk/_media/wiki:logo.png text/html 2026-03-08T06:01:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:dr-m06th?rev=1772949696&do=diff Modifying an Alinco DR-M06TH 6m transciever for packet usage Finding an affordable single-band FM radio for 6m is a challenge, occasionally these Alincos turn up on eBay so I nabbed one tried my hand at modifying it. As it turns out they're well built, old-skool analogue architecture and a breeze to work on. The text/html 2023-08-20T18:45:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:flex-6xxx?rev=1692557147&do=diff FlexRadio Flex-6xxx A series of high-performance 100W HF/6m SDR transceivers. Driven using SmartSDR software or the Maestro standalone control head (actually a Windows tablet in a box). Models Model Current SCUs Max rcvrs Max b/w ATU RX-only inputs text/html 2025-07-12T15:38:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ft-450d?rev=1752334710&do=diff Yaesu FT-450D 160m to 6m with ATU capable of matching 3:1, 100W. RS232 CAT control. 6 pin mini DIN data port. Easily modified for RF or IF output to an SDR using a HupRF board. [ User manual ] [ Service manual] [ Service menu] TNC cable Pin Use NinoTNC / Kantronics pin 1 TX audio text/html 2023-09-02T15:19:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ft-817_8?rev=1693667990&do=diff Yaesu FT-817/818ND [ FT-818ND Manual] text/html 2023-04-15T17:49:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ft-857d?rev=1681580952&do=diff Yaesu FT-857D A 160m to 70cm, all mode, portable, 100W radio without a tuner. Great for high-ish power portable paired with a fairly chunky battery, and resonant antennas. Technical RF out It is fairly straightforward to add an SDR output to this radio, with an inexpensive text/html 2024-03-26T23:04:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ft-991a?rev=1711494299&do=diff Yaesu FT-991A The FT-991A is all mode, all band MF/HF/VHF/UHF transceiver with C4FM (System Fusion) Digital capability. The FT-991A includes multi-mode operation on CW, AM, FM, SSB, and Digital Modes (Packet, PSK31, RTTY and C4FM), with 100 Watts of HF/50mhz Capability (50 Watts VHF/UHF). text/html 2024-03-26T23:12:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ft-1500m?rev=1711494758&do=diff Yaesu FT-1500m A stout, compact, monoband 2m FM transceiver. TNC cable Pin Use NinoTNC / Kantronics pin 1 TX audio 1 2 Ground 6 3 PTT 3 5 RX audio 5 text/html 2026-01-08T00:04:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ft-2980r?rev=1767830647&do=diff WIP: Modifying a Yaesu FT-2980R 2m transciever for packet usage The FT-2980R is a beast of a transceiver putting out up to 80W FM on 2m. From spending a little time using it for 2m simplex nets and whatnot it is an excellent radio; it's the best 2m FM receiver I own and (anecdotally) an S-point text/html 2024-03-26T23:13:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ft-8900?rev=1711494792&do=diff Yaesu FT-8900 The FT-8900 is a ruggedly-built, high quality Quad Band FM transceiver providing 50 Watts of power output on the 29/50/144 MHz Amateur bands, and 35 Watts on the 430 MHz band. It includes features like cross-band repeat, dual receive, VHF-UHF Full Duplex capability, and over 800 memory channels. text/html 2025-06-19T20:30:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:g90?rev=1750365036&do=diff Xiegu G90 See <https://www.rigpix.com/xiegu/xiegu_g90.htm> [ Operating Manual ] Tips and tricks " G90 top tips: mic gain 12 or 13, compressor on, I get a lot of comments on my “good audio” from ops but then again all of that is subjective Mark 2M0IIG -- <https://discord.com/channels/715554730323083274/746443646777294971/1384840608157401139>" text/html 2023-07-16T14:44:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:gm300?rev=1689518666&do=diff Motorola GM300 The Motorola GM300 is programmed using the Motorola RSS Software for DOS, which can be sourced online. A ready to use version is available on the Tx86DOS disk image from EI9IUB The radios are usually programmed through the front RJ45 connector, using a so-called RIB (Radio Interface Box). Most cables purchased online are known as RIB-less, and are essentially text/html 2024-08-30T14:35:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:gm350?rev=1725028539&do=diff Motorola GM350 The Motorola GM350 is a PMR radio which can easily be used in the amateur bands. Versions are available for low-band VHF (4m), VHF (2m) and UHF (70cm), and can often be picked up for as little as £20. More information on the radios can be found text/html 2024-08-30T21:48:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:gp160?rev=1725054496&do=diff Steps to follow if anyone has a Motorola GP160: Install Waris CPS 6.12.05 Waris CPS 6.12.05 from <https://wiki.w9cr.net/index.php/Waris> Modify HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Motorola\ProRadio\FSK\SerializedString registry entry to say @%&MAHUS Run the program, click on help and double check that all regions are open (not just AA) text/html 2024-08-26T18:40:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ic-705?rev=1724697643&do=diff Icom IC-705 Mega portable, modern, 160m to 70cm portable transceiver with touchscreen and waterfall display. 5W on internal power, 10W on external power. No ATU. Network controllable. RigPix [ Basic manual ] [ Advanced manual ] text/html 2026-01-08T00:05:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ic-7100?rev=1767830705&do=diff Icom IC-7100 An older offering from Icom. For us UK hams we get HF/2m/70cm including 5MHz and 70MHz. It's architecture is the older IF DSP design so it's hackable to include IF / RF taps if you want to add a panadapter. KV5R has done a great write up on IF tapping the radio. The IF is apparently pretty high at 124.487 text/html 2024-08-26T18:41:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ic-7300?rev=1724697719&do=diff Icom IC-7300 Modern 160m-6m 100W transceiver with ATU and waterfall display. Digital modes support via a single USB-A connection (both CAT and audio). RigPix Packet on IC-7300 [ IC-7300 Basic Manual ] [ IC-7300 Full Manual ] text/html 2024-06-22T11:38:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:ic-f210s?rev=1719056335&do=diff Icom IC-F210S An Icom PMR set that seems good for 1200bd/9600 Packet Short version: * OPC-617 cable gives you a DB9 data port, home-brew is also possible * You need to enable external PTT on the cable through the programming software * You need to bridge solder pad F on the main board to enable data input through the cable text/html 2023-06-25T22:59:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:icom_ic-f210?rev=1687733943&do=diff Icom IC-F210 This is a WIP and should be ignored. Information might be wrong, your radio might blow up Manuals [ Icom IC-F110/F210 Instruction Booklet ] [ Icom OPC-617 Auxiliary Cable ] [ Icom IC-F210 Service Manual ] Frequencies Initial indications suggest IC-F2XX is UHF, IC-F1XX is VHF. Note that the UHF models come in “Low” and “Highband text/html 2023-07-01T15:43:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:icom_ic_e208?rev=1688226220&do=diff icom IC-E208 WIP, untested, just a dump. Do not use. Pictures Data Pinout NinoTNC Wiring DB9 Use DIN 1 Tx Audio 1 3 PTT 3 5 Rx Audio 4 6 Gnd 2 Connectors show from rear solder connections: text/html 2024-08-26T18:20:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:manuals?rev=1724696451&do=diff Radio Manuals Yaesu [ FT-450D user manual ] [ FT-450D service manual] [ FT-818ND Operating Manual ] [ FT-857 Operating Manual ] [ FT-857D Operating Manual ] Tait [ TM8100 service manual ] [ TM8100 calibration application manual ] [ TM8100/8200 installation manual ] [ TM8xxx hardware developer's manual ] (pinouts etc) [ Configuring the TM8100 for data operation ] [ TM8100/TM8200 Accessories Manual ] Kenwood [ Kenwood TK-90 instructions ] [ Kenwood TK-90 ALE feature instructions ] … text/html 2025-01-14T21:33:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:pm200?rev=1736890412&do=diff Maxon PM200 The Maxon PM200 is a now-discontinued taxi/commercial radio. It is available in 2m (PM200V) and 70cm (PM200U) variants and can transmit at between 2 and 25Watts. They can be found incredibly cheap on eBay (I paid ~£10 each for mine!). Note that in the UK at least the UHF version seems to be basically nonexistent and I have only seen VHF units for sale. text/html 2024-10-25T15:51:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:quansheng-uv-k5?rev=1729871519&do=diff Quansheng UV-K5 A highly hackable handheld. Notably suitable for 9k6 packet with firmware and hardware mod. Credit SA0WII The SIGNALS setting on NinoTNC should be DATA, 1x, AC, CD (1100) Quansheng UV-K5 13.8V DC Charger Conversion text/html 2023-05-21T10:53:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:simoco_srm9000?rev=1684666429&do=diff Simoco SRM9000 These radios have become popular with Radio Amateurs due the availability of a 66-88MHz version, making them ideal for use on the 4 metre band. They have come to our attention due to the reasonable availability/price of UHF models (~£55 on eBay) vs other radios such as Tait or Motorola which are hard to come by and often expensive. text/html 2025-12-25T12:11:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:start?rev=1766664664&do=diff Radios Here is a section of the wiki with somewhere to put a page for each make/model of transceiver. Make/model Bands Modes Power ATU Form factor Display Data connectivity text/html 2025-02-17T00:16:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:tait2xxx?rev=1739751383&do=diff Tait T2000 I & II series The Tait T2000 I & II series are an older generation of “PMR” radios that have become popular with Amateurs due to their availability, reasonable pricing and models available for the 70cms, 2m and 4m bands (Note they're single band only). text/html 2025-04-21T20:49:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:tait_tb7100?rev=1745268570&do=diff Tait TB7100 repeater This is a Work In Progress The Tait TB7100 is an FM repeater. It's a relatively simple device made up of two TM8100 series radio boards, a “User Interface” board that allows the operator to change channel etc, and a “System Interface” text/html 2026-02-16T21:37:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:tait_tm8100?rev=1771277864&do=diff Tait TM8100 series The Tait TM8100 series are “PMR” radios that have become popular with Amateurs due to their excellent performance, modern architecture and flexibility. VHF models can often be picked up for £20-35 on eBay if you're patient. Unfortunately UHF models are difficult to come by and cost up to £125, but the occasional bargain is still out there. text/html 2025-11-10T14:05:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:tait_tm8200?rev=1762783528&do=diff Tait TM8200 Series The Tait TM8XXX series are “PMR” radios that have become popular with Amateurs due to their excellent performance, modern architecture and flexibility. Many of the TM8200 series support MPT-1327 trunking and were often used by large organisations (Notably London Buses until a few years ago). They come up less frequently than their TM8100 counterparts, presumably due to stricter disposal practices - but they do come up now and again and can be programmed with conventional FM c… text/html 2023-05-15T23:27:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:tait_tmxxx_firmware?rev=1684193253&do=diff Tait TM8XXX - Firmware upgrades Read and understand all the notes before attempting a firmware upgrade. Failure to do so may make your radio inoperable. Upgrading the firmware on both the TM8100 and TM8200 series radios is almost identical. As a general rule I don't think there's a huge need to change the firmware, however there's a couple of scenarios where it might help: text/html 2023-06-06T21:50:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:tait_tmxxx_repairs?rev=1686088253&do=diff Tait TM8XXX Troubleshooting and Repairs Volume potentiometer I've come across a couple of Tait radios with damaged volume potentiometers. One had taken a knock to the shaft and smashed the wiper through the rear of the pot, resulting in no audio at all. Another had been forced at some point, and could rotate 360 degrees. If it was in the wrong position it would cause the radio to crash and reboot. text/html 2024-10-20T13:35:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:tk-90?rev=1729431300&do=diff Kenwood TK-90 An intriguing radio which looks great for unattended HF data use, since it is engineered for 100% duty cycle at 25W. Has no data port on the back, but an accessory breakout cable can be added. Pinout is on p14 of the service manual, linked below. text/html 2024-11-03T19:27:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:tr_usdx?rev=1730662036&do=diff (tr)uSDX The (tr)uSDX is a 5-Band / Mulitmode QRP Transceiver in Pocket Format (90x60x30mm – 140g). It features a highly efficient Class E PA and Supports CW/LSB/USB and AM/FM. It covers by default 80/60/40/30/20m Packet on (tr)uSDX radio hf text/html 2023-11-11T17:09:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.oarc.uk/radios:wouxun-kg-uv950pl?rev=1699722582&do=diff Wouxun KG-UV950PL Specs: <https://www.rigpix.com/mischam/wouxun_kguv950p.htm> The KG-UV950PL is 6m, 4m, 2m and 70cm. The KG-UV950P trades 4m for 10m. This radio can be used as a bi-directional cross-band repeater (a.k.a. rebro) using a single antenna. There is no provision for data connectivity, though there is a programming interface and software.