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

amateur

HO-68 / XW-1 linear transponder with GNU Radio, USRP and RFX400

August 22, 2016November 11, 2010 by Alexandru Csete

Video recording of the HO-68 / XW-1 Chinese amateur radio satellite in linear transponder mode on November 9, 2010. Recorded using the Universal Software Radio Peripheral (USRP) with RFX400 daughterboard and GNU Radio software receiver.

Read more

Categories GNU Radio Tags amateur, AMSAT, gnuradio, HO-68, radio, receiver, RFX400, satellite, SDR, software, USRP, XW-1

GQRX receiving the HO-68 satellite

August 22, 2016November 10, 2010 by Alexandru Csete

The gqrx software receiver implemented with GNU Radio and Qt GUI is now taking shape and becoming useful. Yesterday evening I went to OZ7SAT and had the USRP+WBX connected to a real antenna tracking amateur radio satellites. The video below shows reception of the evening pass of HO-68, aka. XW-1.

Read more

Categories GNU Radio Tags amateur, gnuradio, gqrx, HO-68, Qt, receiver, satellite, SDR, USRP, WBX, XW-1

VO-52 satellite with GNU Radio, USRP and WBX

August 22, 2016July 22, 2010 by Alexandru Csete

On Saturday 10 July 2010, I have recorded this pass of VO-52. It is the linear transponder downlink between 145.875 and 145.925 MHz. I really don’t understand why people get so crowded in the middle of the passband when there is 50 kHz to play with.

Read more

Categories GNU Radio Tags amateur, AMSAT, gnuradio, radio, receiver, satellite, SDR, software, USRP, VO-52, WBX

SO-67 Sumbandila on Nov 29, 2009

January 23, 2017November 29, 2009 by Alexandru Csete

Today, there were two good passes of SO-67 over Europe with the amateur radio transponder activated. Watch in high resolution. Watch in high resolution.

Categories Satcom Tags amateur, AMSAT, hamradio, monitoring, radio, recording, satellite, SO-67, Sumbandila

Test Driving WebSDR

January 23, 2017July 20, 2009 by Alexandru Csete

I was playing around with WebSDR the other night. It was really fun – next I’ll try to record myself on 80 or 40 meters 🙂 Watch in HD resolution.

Categories Satcom Tags amateur, moonbounce, radio, software, websdr

Ariane 5 rises above ESA’s Kourou tracking station

January 23, 2017May 20, 2009 by Alexandru Csete

What a beautiful photo! Ariane 5 V188 with Herschel and Planck on board rises above ESA’s 15m ESTRACK tracking station at Kourou, French Guiana, just after liftoff at 15:12 CEST, 14 May 2009. Click for full size image

Categories Satcom Tags amateur, communication, DSN, ESA, rocket, satellite, space, tracking

GB0MPA commemorating the ship RMS Carpathia

April 16, 2009 by Alexandru Csete

I caught the special event station GB0MPA on the air yesterday. GB0MPA commemorates the ship RMS Carpathia (callsign: MPA) which saved 705 people from the Titanic in April 1912. GB0MPA is active for 28 days starting on Apr 4. On this video GB0MPA has contact with two stations from Romania – one of them west … Read more

Categories IC-765 Tags amateur, Carpathia, GB0MPA, ham, hamradio, ic-765, ICOM, radio, titanic
Newer posts
← Previous Page1 Page2
© 2025 OZ9AEC Website • Built with GeneratePress