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KA9LCF > NEWS 07.09.12 22:34l 26 Lines 989 Bytes #999 (0) @ ALLIN
BID : 38391-KA9LCF
Read: GUEST
Subj: ARN: Ham Radio in Space
Path: IZ3LSV<IK6IHL<IK6ZDE<F1OYP<N9PMO<XE1FH<J39BS<9Y4PJ<N9LYA<KA9LCF
Sent: 120904/2137Z 38391@KA9LCF.#NEIN.IN.USA.NOAM [169469]FBB7.01.35 alpha $:38
From: KA9LCF@KA9LCF.#NEIN.IN.USA.NOAM
To : NEWS@ALLIN
HAM RADIO IN SPACE: KEPLARIAN ELEMENTS CHANGE WITH ISS
HIGHER ORBIT
Space-Travel.com reports on August 22nd that a European ATV-
3 unmanned supply spacecraft was used to raise the
International Space Station's orbit to about 261 miles. The
orbit adjustment was done in two stages, with the ATV-3
engines firing for 348 seconds to lift the orbit to 257
miles followed by another burn four hours later that brought
the space station to its final altitude.
The maneuver was conducted to prepare for the return to
earth of Russia's Soyuz TMA-04M manned spacecraft on
September 17 and the docking of the Soyuz TMA-06M manned
spacecraft with the ISS on October 15th. For amateur radio
space enthusiasts this means that you will have to readjust
your Keplarian elements when tracking the I-S-S at its new
higher altitude. The complete story of this orbital
maneuver is on-line at tinyurl.com/ISS-Reboost. (ANS, Spece-
Travel.com)
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