AMSAT ECHO

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AMSAT ECHO is classified as:

• Amateur radio

NORAD ID: 28375
Int'l Code: 2004-025K
Perigee: 699.8 km
Apogee: 819.3 km
Inclination: 98.4 °
Period: 99.9 minutes
Semi major axis: 7130 km
RCS: 0.081 m² (small)
Launch date: June 29, 2004
Source: United States (US)
Launch site: TYURATAM MISSILE AND SPACE COMPLEX (TTMTR)


Amsat-Echo, also known as AMSAT Oscar-E or AO-51, is an American amateur communications microsatellite satellite (10 kg) that relays amateur transmissions. AO-51 contains an FM repeater with both a 144 MHz and 1.2 GHz uplink and 435 MHz and 2.4 GHz downlinks. Additionally AO-51 contains a digital subsystem that transmits TLM on 70cm and provides complete PACSAT BBS that can be configured on both V and S band uplinks. There is also a 10 meter PSK uplink.

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1 28375U 04025K   17231.79254127 +.00000000 +00000-0 +13035-4 0  9993
2 28375 098.3593 163.9341 0083806 091.6273 269.4518 14.41848065690926

Source of the keplerian elements: AFSPC