Posts by RN3AG


    On April 4, AMSAT-DL announced the opening of the QO-100 NB satellite transponder to general contest

    operation in the upper mixed-mode range. This weekend (April 10-11) will see the Yuri Gagarin contest.

    The contest area on the QO-100 geostationary satellite NB transponder for both CW and SSB is:

    Uplink area 2400.370 – 2400.490 MHz

    Downlink area 10489.870 – 10489.990 MHz

    Of course, the usual QO-100 NB transponder guidelines also apply here. Therefore, the bandwidth should still be limited to 2.7 kHz and the transmitting power should be reduced to the necessary level, i.e. only as much power as necessary should be used.

    Read the AMSAT-DL announcement at

    The Yuri Gagarin International DX Contest 2021 is dedicated to the memory of Yuri Gagarin,

    who realized the first human flight to space, on April 12, 1961.

    It runs from 2100 GMT on April 10 until 2100 GMT on April 11, 2021, and SAT categories include:

    • SAT Single operator – Satellite QSOs

    • SAT-GS Single operator – Geostationary Satellite QSOs

    Contest rules are at


    TNX to AMSAT-DL, Matthias DD1US and M3AKA.