[Fwd: PARA E-mail members]
David V. Rogers
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Sat, 07 Nov 1998 15:43:11 -0500
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The following thanks to ARRL and the ARRL Letter dated November 6, 1998:
BIP-BIP-BIP! NEW MINI-SPUTNIK TO LAUNCH FROM MIR
Another mini-Sputnik satellite will be launched by hand this month from
the Russian Mir space station. The announcement of the so-called Sputnik
41 comes almost one year to the day after the launch of Sputnik 40,
which commemorated the launch of the first artificial Earth satellite by
the USSR in 1957.
The newest Sputnik arrived on Mir aboard a Progress supply rocket late
last month. It's due to be launched by hand during a spacewalk by the
Mir crew in the November 10-11 timeframe. Sputnik 41, which is variously
being called RS-18, was financed by the Aeroclub de France to mark its
centennial. It's part of a program of satellites made in collaboration
with Russian and French students. AMSAT-France is cooperating with the
education department of the Russian Aeronautic Federation to bring about
this latest Sputnik encore.
Sputnik 41 is the same size as its predecessor--20 centimeters (just
under 8 inches) in diameter--approximately one-third the size of the
original Sputnik. It weighs 4 kg (almost 9 pounds). The latest version
will carry a 150-200 mW transmitter that will transmit on or about
145.812 MHz (=B1 5 kHz and Doppler shift). The spacecraft will not carry
solar cells, and it has an expected operational lifetime of up to 30
days. The last mini-Sputnik outlasted its expected one-month life by
some 20 days, however.
AMSAT-France's Gerard Auvray, F6FAO, reports that, like Sputnik 40, the
new spacecraft will transmit its "bip-bip" beacon plus audio-frequency
telemetry that indicates the satellite's internal temperature (see
table, below). But, Sputnik 41 also will broadcast pre-recorded voice
greetings in three languages, French, English, and Russian. One, read by
14-year-old Constantin Sambourov, declares in Russian-accented English:
"1998 was the International Year of Air and Space." Sambourov is the son
of Sergei Sambourov, RV3DR, who manages Amateur Radio activity aboard
Mir. A second English message read by Project Chief Victor Kourilov of
the Russian Aeronautic Federation states "International Space School
Sputnik Program." The French and Russian messages convey the same
greetings. Auvray himself reads one of the French greetings.
The 1998 International Year of Air and Space page is at
http://www.ccr.jussieu.fr/physio/Satedu/sputnik41.html.
TABLE: Telemetry of Internal Temperature
179 Hz =3D -38=BAC
273 Hz =3D -30=BAC
440 Hz =3D -20=BAC
634 Hz =3D -10=BAC
830 Hz =3D 0=BAC
1025 Hz =3D +10=BAC
1200 Hz =3D +20=BAC
1308 Hz =3D +30=BAC
1405 Hz =3D +40=BAC
1447 Hz =3D +45=BAC
1483 Hz =3D +50=BAC
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