人造衛星 ARISSat-1 停止運作了
本帖最後由 VR2VBU 於 5-1-2012 18:26 編輯人造衛星 ARISSat-1 停止運作了
訊息來自 AMSAT
http://www.amsat.org/amsat-new/index.php 來自 AMSAT 的獎狀 Quote from ARRL press release:
+ Amateur Radio in Space: ARISSat-1 Re-enters Earth's Atmosphere, Falls Silent
According to AMSAT, ARISSat-1 stopped transmitting on the morning of January 4. It is believed that the satellite re-entered the Earth's atmosphere around 0700 UTC (+/- three hours) and was destroyed soon after. Telemetry reports showed that the temperature aboard ARISSat-1 had been rising as the atmospheric drag began to affect the satellite The predicted decay location is an open part of the South Atlantic, well west of Angola.
Sergei Volvok, RU3DIS, and Alexander Samokutyaev deployed ARISSat1-1 from the ISS on August 3, 2011.
The last telemetry reports indicated that the internal temperature had topped 167 degrees Fahrenheit and was rising rapidly. Konstantin Vladimirovich, RN3ZF, sent a reception report of a pass at 0842 UTC and stated, "The telemetry was absent, voice messages were not legible, very silent and interrupted. Most likely, I saw the last minutes in the life of the satellite." The last full telemetry captured was received from ground stations as the satellite passed over Japan at 0602 UTC on January 4.
ARISSat-1 was deployed from the International Space Station on August 3, 2011 during EVA-29 on by Cosmonaut/Flight Engineers Sergei Volkov, RU3DIS, and Alexander Samokutyaev. The satellite carried a student experiment from Kursk State University in Russia that measured atmospheric density. Students from around the world provided the voices for the FM voice announcements.
AMSAT President Barry Baines, WD4ASW, said that ARISSat-1 marked a new type of satellite that captured the attention of the national space agencies around the world. "With ARISSat-1, we have we have been able to design, launch, and operate a unique educational opportunity," he explained. "By designing an educational mission aligned with NASA's Science, Technology, Engineering and Mathematics goals, radio amateurs around the world have been able enjoy a new satellite in orbit."
ARISSat-1 achieved several "firsts" for Amateur Radio in space, including the first flight test of the AMSAT Software Defined Transponder, which included an FM voice downlink cycling between student messages, spoken telemetry and SSTV; a 16 kHz bandwidth linear transponder; a CW beacon carrying telemetry and call signs of radio amateurs (noting their significant contributions to Amateur Radio in space) and a robust, forward-error-corrected 1kbps BPSK digital downlink carrying satellite telemetry and Kursk experiment telemetry. VR2VVR 發表於 6-1-2012 12:55 static/image/common/back.gif
Quote from ARRL press release:
+ Amateur Radio in Space: ARISSat-1 Re-enters Earth's Atmosphere,...
. VR2VBU 發表於 6-1-2012 18:36 static/image/common/back.gif
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. VR2VBU 發表於 6-1-2012 18:36 static/image/common/back.gif
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. 據最新消息:
ARISSat-1 已於0600(UTC) 1月4日星期三停止發射,
並在同日0700(UTC)進入大氣層並在南大西洋自燃焚毀。
原文(Quote: GB2RS):
ARISSat-1 falls to Earth
According to the AMSAT website, ARISSat-1 stopped transmitting shortly after 0600UTC on Wednesday 4 January. It is believed that the satellite re-entered the atmosphere and burned up at around 0700 over the South Atlantic. Full details are at www.arissat1.org.
VR2VVR 發表於 10-1-2012 01:20 static/image/common/back.gif
據最新消息:
ARISSat-1 已於0600(UTC) 1月4日星期三停止發射,
並在同日0700(UTC)進入大氣層並在南大西洋自 ...
Reply by ARIS Sat-1 Team VR2VBU 發表於 11-1-2012 09:13 static/image/common/back.gif
Reply by ARIS Sat-1 Team
ARIS Sat-1 SSTV Image is posted by AMSAT
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