Noticias acerca del AO51

AO-51 ECHO

Catalog number: 28375

Launch date: June 29, 2004

Status: Testing

Curent Mode: PBBS - OFF

FM REPEATER - ON

Analog voice downlink: 435.300 MHz FM

Analog voice uplink: 145.920 MHz FM 67Hz PL tone

1268.700 MHz FM 67Hz PL tone

Digital Downlinks: 435.150 MHz FM, 38k4 Digital, PBP, 1 watt output

2401.200 MHz FM 38k4 bps, AX.25

Digital Uplink: 145.860 MHz FM, 9k6 Digital, Pacsat Broadcast Protocol (PBP) Echo's PBBS Call Sign has changed. Please use the following call signs in your Wisp, PB/PG, etc. setups for AO-51. AO-51'a callsigns are as follows:

Broadcast: PECHO-11

BBS: PECHO-12

All dates are UTC. The mode change occurs normally between 0100 and 0400 utc on the date shown. The mode will be active from the date shown until the nextMode Change date listed. Mode Configurations are listed below the schedule. If for some unplanned reason we need to work with Echo and deviate from the plan I will post a note to the this Echo page on AMSAT.ORG. If a specific transmitter or mode is not listed on a given day then it will be off. For example, if TXB (435.300) is not listed during a 38k4 digital mode period then the FM repeater will be off.

27 Apr

Exp Wed - Dual FM repeaters, 2nd repeater is in QRP mode FM Repeater, V/U

Uplink: 145.920 mhz FM, 67 hz PL Tone

Downlink 435.300 mhz FM

The first FM repeater is open for all stations

FM Repeater, V/U

Uplink: 145.880 mhz FM, NO PL Tone required, QRP requirements

Downlink 435.150 mhz FM

Please follow the QRP requirements listed below for this repeater, and note the downlink frequency

28 Apr

FM Repeater, V/U

Uplink: 145.920 mhz FM, 67 hz PL Tone

Downlink 435.300 mhz FM

9k6 Digital, V/U, PBP BBS (Pacsat Broadcast Protocol BBS)

Uplink: 145.860 mhz FM, 9k6 PBP Digital

Downlink: 435.150 mhz FM, 9k6 PBP Digital

For further scheduled modes/tests, check out the Echo status page at:

http://www.amsat.org/amsat-new/echo/

Mike Kingery (KE4AZN) has released TimEcho to capture and decode telemetry broadcast from Echo's digital downlink. TimeEcho software and other Ao-51 ECHO information is available at:

http://web.infoave.net/~mkmk518/echo.htm

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