|AMSAT-OSCAR 51 (Echo or AO-51)|
||145.920 MHz FM (PL - 67Hz)|
1268.700 MHz FM (PL - 67Hz)
||435.300 MHz FM|
2401.200 MHz FM
||28.140 MHz USB|
||145.860 MHz 9600 bps, AX.25|
1268.700 MHz 9600 bps AX.25
||435.150 MHz 9600 bps, AX.25|
2401.200 MHz 38,400 bps, AX.25
||June 29, 2004|
or Echo as it is more commonly known is a FM satellite carrying 4 VHF receivers, 2 UHF transmitters, a multimode
receiver and a 2400MHz transmitter. It can handle voice and FSK data up to 76.8Kbps. Echo was launched into a low, sun-synchronous
polar orbit approximately 850 km high. It is planned for operational turnover on 30 July 2004 at approximately 0215z. You
must transmit a 67Hz PL tone in order to access the Echo voice repeater.
Please note the change in operational phone downlink frequency to 435.300 MHz.
See Echo Project Status for additional information about Echo and scheduling of various modes of operational.
For more information, see the Echo Project Page