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ZL2TZE > SAREX 20.07.99 15:32l 32 Lines 1190 Bytes #-9656 (0) @ WW
BID : 33709-ZL2TZE
Read: DJ2CN GUEST OE7FMI
Subj: [sarex] SAREX APRS Packet?
Path: DB0AAB<DB0PV<OE2XOM<OE5XBL<DB0RGB<DB0MAK<OK0PKL<OK0PPR<OK0PRG<OK0PAB<
HA5OB<HA3PG<WB0TAX<KO4SX<N8ZFM<ZL2TZE
Sent: 990719/1124Z @:ZL2TZE.#73.MLB.NZL.OC #:33709 $:33709-ZL2TZE
From: ZL2TZE@ZL2TZE.#73.MLB.NZL.OC
To : SAREX@WW
It is probable that SAREX will usually be in VOICE mode over the USA when
the astronauts are awake, and hopefully be in PACKET mode when they sleep.
Here is my (uninformed) guess based on the timeline of when you might
expect to operate some PACKET under the above assumptions:
SLEEP: Astronauts are on the following sleep schedule:
JULY 20th 0436 UTC Launch
21st 0200 UTC SAREX is unpacked and set up
21st 1430-2230 UTC First sleep period with SAREX
22nd 1330-2130 UTC Second sleep period with SAREX
23rd 1230-2030 UTC Third sleep period with SAREX
24th 0430 UTC Stow SAREX
Looking at the orbit, I draw the following approximate conclusions:
* The crew is awake over the USA and S.Africa (expect Voice?)
* The crew sleeps over S.America, C.Africa and India (Packet?)
* The crew sleeps over early Australia passes (Packet?)
* Spain and Italy will see some sleep time passes (Packet?)
So stations outside the USA may have good opportunities to play with the
SAREX packet system and APRS. THe above are very crude approximations.
Expect anything at any time!
de WB4APR, Bob
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