Skip to content

OZ9AEC Website

Amateur radio, space technology and other geeky stuff by Alexandru Csete

  • Radios
    • Omnia SDR
    • Airspy
    • mcHF
    • IC-706
    • IC-765
    • FT-817ND
    • GNU Radio
    • Funcube Dongle
    • Elecraft K1
    • Sparrow 40
  • Antennas
    • Butternut HF2V
    • Hy-Gain DX-88
    • MP-1
    • Miracle Whip
    • ATX-1080
    • Other
  • Technology
    • Digital Voice
    • Satcom
    • SDR
    • DVB
  • Shack
  • About

APRS

APRS reception with Gqrx and Funcube Dongle

August 22, 2016May 7, 2012 by Alexandru Csete

I don’t think I ever posted a video showing the built-in AFSK1200 demodulator and decoder in Gqrx, so here it is. The video show local APRS traffic in Copenhagen on a Sunday afternoon. I also tried to receive from the ISS but nothing heard this time.

Read more

Categories GNU Radio Tags AFSK1200, APRS, dongle, funcube, gnuradio, gqrx, multimon, packet, radio, receiver, SDR, software

Qtmm souncard modem decoding APRS data from the ISS

August 23, 2016July 11, 2011 by Alexandru Csete

Yesterday I successfully received APRS transmissions from the International Space Station on 145.825 MHz using my Yaesu FT-817 connected to my MacBook Pro via a Signalink audio interface and a USB sound adapter.

Read more

Categories GNU Radio Tags APRS, decoder, free, linux, mac os x, modem, open source, qtmm, windows
© 2025 OZ9AEC Website • Built with GeneratePress