AX.25 (FX.25) / PACKET-RADIO

• APRS DIGIPEATER
• BAY≤≥COM MODEM
• CHATTERVOX
• DIREWOLF SOFTWARE MODEM / TNC FOR AX.25 / FX.25
• FLDIGI ATTACH
• RMNC (RHEIN MAIN NETWORK CONTROLLER) & PC/ FLEXNET
• FX.25 [AX.5 + FEC (FORWARD ERROR CORRECTION)]
• MICROMODEM & MICROAPRS (MARK QVIST)
• NPR : NEW PACKET RADIO
• PCSI ‒ PACKET COMPRESSED SENSING IMAGING
• PACKET-RADIO (AND APRS) SSID (SECOND STATION IDENTIFICATION)
• TNC : TERMINAL NODE CONTROLLERS
• (X)NET

• http://www.ax25.net/
• https://packet-radio.net/
• https://destevez.net/2016/06/kiss-hdlc-ax-25-and-friends/
• https://www.febo.com/packet/layer-one/transmit.html
• https://fr.wikipedia.org/wiki/FX.25

• AX.25 Link Access Protocol for Amateur Packet Radio Version 2.2 / Rev. July 1998
  (source : https://robust-packet.net/documents/AX25-Link-Access-Protocol.pdf)
• AX.25 Amateur Packet-Radio Protocole niveau liaison Version 2.0, Octobre 1984 (traduction F6CSS, 2002-02-04)
• Description de l'Automate d'État AX.25 v. 2.0
  (source : http://f6css.free.fr/download/AX25_V20_state_machine.PDF)
• Packet-Radio Networks - Adrian MINTA - University of Bucharest
  (source : https://ftp.unpad.ac.id/orari/cd-yc0mlc/packet-radio-advanced/packet-radio/simp.pdf)
• FX.25 - Forward Error Correction Extension to AX.25 Link Protocol For Amateur Packet Radio - Draft 01 SEPT 2006 [EN]
• A High-Performance Sound-Card AX.25 Modem - Sivan Toledo, 4X6IZ (School of Computer Science, Tel-Aviv University, Tel-Aviv 69978, Israel; stoledo@tau.ac.il)

• Linux AX25−HOWTO, Amateur Radio.
  (source : http://www.mit.edu/afs.new/athena/system/rhlinux/redhat-6.2-docs/HOWTOS/other-formats/pdf/AX25-HOWTO.pdf)
• https://tldp.org/HOWTO/AX25-HOWTO/
• https://www.febo.com/packet/linux-ax25/ax25-config.html
• Replacing 1200 Baud AFSK FM with PSK and Deploying DTN (Iain Young, g7iii@g7iii.net)

• 3590~3600 kHz LSB (QSO)
• 14090~14099 kHz USB (QSO)
• 14101~14112 kHz USB (BBS)
• 21100~21120 kHz USB (QSO)
• 28120~28150 kHz USB(QSO)

• 10150 kHz LSB (APRS)
• 14105 kHz USB (APRS)
• 18102 kHz USB (APRS)
• 21113 kHz USB (APRS)
• 29250 kHz FM (APRS)

Pour les transmissions d'images en DIGISSTV, Patrick F6CTE propose de faire les QSO sur 14090 Khz USB (BF autour de 1000 Hz), à 17h00 UTC si peu de trafic.

• https://github.com/wb2osz/hrot