[amsat-bb] DX IS

["Jeff Davis" <ke9v@xxxxxxx>]

I read with interest the details on this recent update on Pioneer 10.

Pioneer 10 distance from Sun : 80.82 AU
Speed relative to the Sun: 12.24 km/sec (27,380 mph)
Distance from Earth: 12.21 billion kilometers (7.59 billion miles)
Round-trip Light Time: 22 hours 37 minutes

There was another Pioneer 10 contact on Sunday, 7/14/02. The Deep Space
Station (DSS) near Madrid (DSS-63) found the signal but was unable to
consistently lock onto the receiver. The signal level was reported at -185
dBm, just about at the threshold value. During the three hours pass, lock
could only be held for about a minute. The uplink from DSS-14 at
Goldstone, sent Saturday, 7/13/02, confirmed that the spacecraft signal is
still there (Round Trip Light Time 3D 22 hr 38 min).

73, Jeff

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