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packet:glossary

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packet:glossary [2023/11/11 13:44] – [B] m0ltepacket:glossary [2023/11/11 13:47] (current) – m0lte
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 **BPQ** - the packet node software written by G8BPQ. **BPQ** - the packet node software written by G8BPQ.
 +
 +**BPSK**
  
 **bull** - Bulletin. Message sent to many rather than one person. **bull** - Bulletin. Message sent to many rather than one person.
  
 +===== C =====
 +
 +**C4FSK**
 +
 +**Chat** - an IRC-like near-realtime, transient, instant messaging application which typically runs "under" a node
  
 ===== D ===== ===== D =====
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 **Dire Wolf - https://github.com/wb2osz/direwolf** - Software AX.25 modem/TNC and APRS encoder/decoder. Sometimes incorrectly written as Direwolf. **Dire Wolf - https://github.com/wb2osz/direwolf** - Software AX.25 modem/TNC and APRS encoder/decoder. Sometimes incorrectly written as Direwolf.
  
 +===== E =====
 +
 +**ETCC**
  
 ===== F ===== ===== F =====
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 ===== G ===== ===== G =====
 +
 +**GFSK**
  
 **GPIO - General Purpose Input/Output** - A bank of spare input and/or output pins on a computer module which are reserved for user applications. Examples would be the BBC Micro's User Port, or the Raspberry Pi's dual-row 40-pin "GPIO" pins. **GPIO - General Purpose Input/Output** - A bank of spare input and/or output pins on a computer module which are reserved for user applications. Examples would be the BBC Micro's User Port, or the Raspberry Pi's dual-row 40-pin "GPIO" pins.
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 **IL2P - [[http://tarpn.net/t/il2p/il2p-specification-draft-v0-5.pdf|Improved Layer-2 Protocol]]** - an improved version of the AX.25 layer-2 packet format by which adds forward error correction and packet-synchronous scrambling. **IL2P - [[http://tarpn.net/t/il2p/il2p-specification-draft-v0-5.pdf|Improved Layer-2 Protocol]]** - an improved version of the AX.25 layer-2 packet format by which adds forward error correction and packet-synchronous scrambling.
 +
 +**INP3**
  
  
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 **MAXPAC** - Formed as a dedicated AX.25 Packet group for the [GB] Midlands. Possibly does not exists anymore (2023)[[https://ukamsat.files.wordpress.com/2014/07/replacing_1200_afsk_with_psk.pdf|link]] **MAXPAC** - Formed as a dedicated AX.25 Packet group for the [GB] Midlands. Possibly does not exists anymore (2023)[[https://ukamsat.files.wordpress.com/2014/07/replacing_1200_afsk_with_psk.pdf|link]]
 +
 +**MMDVM-TNC**
  
 **MSK** - Minimum Shift Keying, A variant of AFSK, where the frequencies used are selected to ensure there is no phase shift at the transition from one bit to the next. This reduces high-frequency harmonics in the transmission. **MSK** - Minimum Shift Keying, A variant of AFSK, where the frequencies used are selected to ensure there is no phase shift at the transition from one bit to the next. This reduces high-frequency harmonics in the transmission.
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 **NET/ROM** - NET/ROM (Networking over Radio Operations and Management) is both a network layer (OSI L3) protocol, which allows for the routing of packets between different nodes, and a transport layer (OSI L4) protocol that provides reliable delivery of packets and error correction. It adds reliability and efficiency capabilities such as automatic routing, link quality monitoring, and congestion control. A NET/ROM node user may display a list of other known network nodes; establish a transport-level circuit to a distant node; and connect to another end-user or mailbox in the vicinity of that distant node. **NET/ROM** - NET/ROM (Networking over Radio Operations and Management) is both a network layer (OSI L3) protocol, which allows for the routing of packets between different nodes, and a transport layer (OSI L4) protocol that provides reliable delivery of packets and error correction. It adds reliability and efficiency capabilities such as automatic routing, link quality monitoring, and congestion control. A NET/ROM node user may display a list of other known network nodes; establish a transport-level circuit to a distant node; and connect to another end-user or mailbox in the vicinity of that distant node.
 +
 +**NinoTNC**
  
 **Node** - the top level construct representing a single packet radio station, proving some level of node services, e.g. applications like BBS or Chat, or inter-node transports such as NET/ROM. **Node** - the top level construct representing a single packet radio station, proving some level of node services, e.g. applications like BBS or Chat, or inter-node transports such as NET/ROM.
 +
 +**NoV**
 +
 ===== O ===== ===== O =====
  
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 **Packet** - a single unit of transmision. An "over", from the perspective of the radio. **Packet** - a single unit of transmision. An "over", from the perspective of the radio.
 +
 +===== Q =====
 +
 +**QPSK**
 +
 +**QtSoundModem**
 +
 +**QtTermTCP**
  
 ===== R ===== ===== R =====
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 **UI frame** - Unnumbered Information frame, somewhat analogous to UDP, as opposed to I - Information - frames, as used in conencted-mode packet, somewhat analogous to TCP. **UI frame** - Unnumbered Information frame, somewhat analogous to UDP, as opposed to I - Information - frames, as used in conencted-mode packet, somewhat analogous to TCP.
 +
 +===== X =====
 +
 +**Xrouter**
 +
 +**Xrpi**
packet/glossary.1699710294.txt.gz · Last modified: 2023/11/11 13:44 by m0lte