====== AX.25 (FX.25) / PACKET-RADIO ======
{{:index_01.png?64|}}

<catlist -forceHeadTitle -exclupage -sortAscending -hideNotFoundMsg -columns:1 -maxDepth:1 -noHead -noAddPageButton>

----
===== RESOURCES =====

==== WEB ====
  * 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

==== DOCUMENTATION ====
  * {{ :documentation:hamradio:ax25:ax25-link-access-protocol.pdf |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)
  * {{ :documentation:hamradio:ax25:ax.25_amateur_packet-radio_protocole_niveau_liaison_version_2.0_octobre_1984_traduction_f6css_2002-02-04_.pdf |AX.25 Amateur Packet-Radio Protocole niveau liaison Version 2.0, Octobre 1984 (traduction F6CSS, 2002-02-04)}}
  * {{ :documentation:hamradio:ax25:ax25_v20_state_machine.pdf |Description de l'Automate d'État AX.25 v. 2.0}} \\ (source : http://f6css.free.fr/download/AX25_V20_state_machine.PDF)
  * {{ :documentation:hamradio:ax25:packet-radio_networks_-_adrian_minta_-_university_of_bucharest.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)
  * {{ :documentation:hamradio:ax25:fx-25_01_06.pdf |FX.25 - Forward Error Correction Extension to AX.25 Link Protocol For Amateur Packet Radio - Draft 01 SEPT 2006 [EN]}}
  * {{ :documentation:hamradio:ax25:a_high-performance_sound-card_ax25_modem.pdf |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)}}

===== DOCUMENTATION & HOWTOS =====

==== HOWTOS ====
  * {{ :documentation:hamradio:ax25:ax25-howto.pdf |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
  * {{ :documentation:hamradio:ax25:replacing_1200_afsk_with_psk.pdf |Replacing 1200 Baud AFSK FM with PSK and Deploying DTN (Iain Young, g7iii@g7iii.net)}}

{{youtube>0pFeI-yBte0?}}
{{youtube>sHGUuGvB0pg?}}



===== FREQUENCIES =====

==== CHAT / BBS ====
  * 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)

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

==== DIGI SSTV ====

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.

===== HRoT : HAM RADIO OF THINGS =====
  * https://github.com/wb2osz/hrot