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12.12.2011, 08:30 #1
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- 25.01.2006
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50 лет ОСКАРу-1
Сегодня исполняется 50 лет со дня запуска первого радиолюбительского спутника ОСКАР-1.
<Begin Commemorative Message>
O S C A R N E W S L E T T E R
December 12, 1961
OSCAR SATELLITE IN ORBIT
OSCAR SATELLITE IN ORBIT
OSCAR SATELLITE IN ORBIT
At 2041 GMT, 12 December 1961 the Oscar satellite was hurled into
orbit by the Discoverer XXXVI launching vehicle from Vandenberg Air
Force Base, California. The satellite immediately went into a North-
South orbit and was picked up loud and clear by the hams at KC4USB
(Marie Byrd Base) at the South Pole a few minutes after launch. The
word was quickly relayed back to the Oscar Tracking Station, K6QEZ,
by W4ABY. Acquisition was also obtained by hams at Kodiak, Alaska
and by KH6UK in Hawaii on the first pass.
Oscar is on a frequency between 144.990 and 145.008 and has tremen-
dous c.w. signal strength on a direct, overhead pass! Tracking re-
ports have begun to flow into the Center. W1AW heard the first pass
S9 over the East coast.
...................
Первые советские Радио-1 и Радио-2 были запущены в 1978 г.
Но в отличии от ОСКАРА-1, который передавал "хи хи" наш был
уже полноценным ретранслятором.RK1NA, Константин
SDR is the future!
Flex-6500 is now here.
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12.12.2011, 20:08 #2
- Регистрация
- 27.02.2011
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NAME: AO-7
LAUNCHED: 1974/11/15 by a Delta 2310
SITE: Vandenberg Air Force Base, CA, USA
STATUS: Semi-operational in sunlight.
BEACON: 29.502 CW
BEACON: 145.972 CW
BEACON: 435.100 CW
BEACON: 2304.100 CW
DNLINK: 29.400 - 29.500 (Mode A)
UPLINK: 145.850 - 145.950 (Mode A)
DNLINK: 145.975 - 145.925 (Mode B/C)
UPLINK: 432.125 - 432.175 (Mode B/C)
NOTES: AO-7 became non-operational in mid 1981 due to battery failure . In 2002 one of the shorted batteries became an open and now the spacecraft is able to run off solar panels. For this reason it is not usuable in eclipse and may not be able to supply enough power to the transmitter to keep from frequency modulating the signal. Lately AO-7 has favored Mode B almost exclusively.
On July 11, 2002, AO-7 was successfully commanded for the first time since it was declared dead 21 years ago. Commands were sent and accepted to change the CW beacon code speed. Command investigation continues. So far, 11 different commands have been accepted by AO-7.
То же интересная история!...Это,наверное,самый старый из работающих спутников...Последний раз редактировалось RK6ATW; 12.12.2011 в 20:12.
73!...Сергей
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12.12.2011, 21:14 #3
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