HF APRS Base Station - John's Vademecum

Try to learn something about everything, and everything about somethingThomas Huxley “Darwin's bulldog” (1824-1895)

Trace: • Hi-Mound HK-708 Key • Yaesu FT-2980 • YaDDNet : New VPS • VHF / HF X-Gate Project • The Nodes • Over the air ID • YaDDNet : VPS SSL Renewal • DM15L Non-linear Curve Fit • Damasko DA36 Measurements (2019) • GM4SLV Allstar

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====== HF APRS Base Station ======

** Direwolf TNC iGate on 30m **

===== Using Direwolf on HF =====

  * 30m APRS frequency = ''10.1476MHz'' USB / ''10.151MHz'' LSB (using 1.7kHz modem frequency)
  * RF centre frequency = ''10.1493MHz'', tones ±100Hz
  * Direwolf acts as 
    * TNC/Modem to send and receive packets via HF transceiver
    * Internet I-Gate 
    * Tracker, when configured to use **gpsd** to provide real time GPS position
    * Network (AGWPE) TNC for other APRS client software

==== Direwolf config ====

++++ ~/direwolf.conf |

<code bash>

#############################################################
#                                                           #
#               FIRST AUDIO DEVICE PROPERTIES               #
#               (Channel 0 + 1 if in stereo)                #
#                                                           #
#############################################################

ADEVICE  plughw:1,0

ACHANNELS 1

#############################################################
#                                                           #
#               CHANNEL 0 PROPERTIES                        #
#                                                           #
#############################################################

CHANNEL 0

MYCALL GM4SLV-10

MODEM 300 1600:1800 7@30 /4

TXDELAY 30

TXTAIL 10

#############################################################
#                                                           #
#               VIRTUAL TNC SERVER PROPERTIES               #
#                                                           #
#############################################################

AGWPORT 8000
KISSPORT 8001

FIX_BITS 1

#############################################################
#                                                           #
#               BEACONING PROPERTIES                        #
#                                                           #
#############################################################

PBEACON  every=15  symbol="\-" lat=60^17.31N long=001^25.49W comment="30m HF" via=WIDE1-1

#############################################################
#                                                           #
#               DIGIPEATER PROPERTIES                       #
#                                                           #
#############################################################

#DIGIPEAT 0 0 ^WIDE[3-7]-[1-7]$|^TEST$ ^WIDE[12]-[12]$ TRACE

#############################################################
#                                                           #
#               INTERNET GATEWAY                            #
#                                                           #
#############################################################

IGSERVER euro.aprs2.net

IGLOGIN GM4SLV-10 19626

PBEACON  sendto=IG every=60  symbol="\-" lat=60^17.31N long=001^25.49W comment="30m HF"

#IGTXVIA 0 WIDE1-1

IGTXLIMIT 6 10

</code>

++++

==== Direwolf running (in a Tmux session) ====

{{:public:radio:direwolf.png?direct&600 |}}


===== Xastir using Direwolf as TNC =====

  * Direwolf can act as a network TNC for other clients
    * Uses "AGWPE" protocol

Set Xastir on another PC to use Direwolf as TNC. This gives user access to APRS - map, messaging etc.

FIXME

===== APRS.FI =====

[[https://aprs.fi/info/a/GM4SLV-10| GM4SLV-10 info at APRS.FI]]

List of stations who heard me, and stations I heard, after running overnight.


{{:public:radio:aprs_fi.png?direct&600 |}}






===== Further Information =====


  * [[https://github.com/wb2osz/direwolf]]
  * [[http://wa8lmf.net/aprs/HF_APRS_Notes.htm]]

{{tag>radio aprs}}


--- //John Pumford-Green 26/04/23 06:30//

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