Category: Initiatives

AMSAT-ON regularly taking initiatives to achieve its objectives. These initiatives have still restrictions on financial matters and structural opportunities. However, we have the ambition by working with partners to overcome these limitations.

MarconISSta experiment identified ON4ISS signals

The project leader and initiator of MarconISSta, Martin Buscher DJ1MBB, has requested some support to help categorise the antennas on the ISS.  The ARISS telebridge groundstation ON4ISS reacted immediately and transmitted at different ISS passes the desired signal to the ISS. SUMMARY OF TEST TRANSMISSION – ON4ISSTX on 435.550 MHz during the entire pass, LHCP …

Continue reading

ARISS 41 and ARISS 43 were installed on Columbus

October 9 th and 10 th, 2007 ARISS 41 and ARISS 43 were installed on Columbus in the high bay of the Kennedy Space Center. October 12 th the electrical properties of cables and antennas have been tested and validated. Two L/S band patch antennas (ARISS 41 and ARISS 43) were installed on the nadir side …

Continue reading

AO-40 suffered a catastrophic failure

The newspaper “De Standaard” 22 Dec 2000 provides a report on the status of AO-40. On board was a K-band transponder developed by a AMSAT-ON team. The original idea was to have a 24 GHz beacon. Karl Meinzer, DJ4ZC, suggested to build a transponder. Unfortunately, the result of all these efforts was never fully operational. De Standaard, 22 …

Continue reading