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fahnen/4.jpg The Echo Project Page
Launch Pad Return

Latest News From the AO-51 Control Team

Echo Launch Photo For the latest news about AO-51 (formerly AMSAT-Echo) from the Control Team visit the
AO-51 News and Text Schedule

Here is the Control Team Operating Schedule Grid.

Project Summary and Status Updates

For the latest information about Echo see the AMSAT News section of this website and the Satellite Status page. Frequent information is posted there first. Additional information is available here:

Questions and Answers


AO-51 Operational Frequencies

The following are the announced frequencies for AO-51. Please check the schedule before transmitting to AO-51:
Analog Uplink: 145.920 MHz FM (PL - 67Hz)
145.880 MHz FM (QRP, No PL)
1268.700 MHz FM (PL - 67Hz)
Analog Downlink: 435.300 MHz FM
2401.200 MHz FM
PSK-31 Uplink 28.140 MHz USB
Digital Uplink: 145.860 MHz 9600 bps, AX.25
1268.700 MHz 9600 bps AX.25
Digital Downlink: 435.150 MHz 9600 bps, AX.25
2401.200 MHz 38,400 bps, AX.25
Broadcast Callsign: PECHO-11
BBS Callsign: PECHO-12

Decoding AO-51 Telemetry

Decoding AO-51 TLM can be done using a 9600 baud TNC and using one of the following software packages:


The AO-51 Book

After reading the information on this page, find more information in the new book "AO-51 - Operation, Development and Specifications" by G. Gould Smith, WA4SXM. You can place an order by calling the AMSAT office toll free at (888) 322-6728.

AO-51 Photos

The following are photos of AO-51 in pre-launch integration activities both in the US and in Kazakhstan.

Other Sites of Interest


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