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1987-12-14
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* AMSAT NA News Service Bulletins *
* NEWS346 12Dec87 *
* [ Copyright 1987 by AMSAT NA, The Radio Amateur Satellite Corporation. ] *
* [ Permission is granted for unlimited redistribution by electronic or ] *
* [ other means provided credit is given to AMSAT NA News Service (ANS). ] *
* [ Edited for AMSAT NA by WA2LQQ. ] *
* [ (N)=New story; (U)=Updated story; (R)=Reprieved story ] *
* [ This edition was forwarded by the W0RPK-AMSAT Bulletin Board System ] *
* [ operating on 515-961-3325 24-hours Ralph Wallio, W0RPK SYSOP ] *
******************************************************************************
Headlines:
1.(N) Phase 3C Tests Called Unqualified Success
2.(N) Launch Insurance Fund Reaches Milestone
3.(N) Meeting In Ottawa To Advance Nordski Plans
4.(N) ARRL Seeks Lab Supervisor
5.(N) Short Bursts
******************************************************************************
1.(N) Phase 3C Tests Called Unqualified Success
Dick Daniels, W4PUJ, who recently returned from Germany, reports the
propulsion system tests and the shake and vibration tests on Phase 3C went
perfectly. The spacecraft passed all the test with flying colors. The tests
were performed in Germany by AMSAT DL and various contractors the week of
November 30. AMSAT NA is responsible for the major sub-assemblies of the
liquid propulsion system. Phase 3C's bi-propellant system is similar to the
one employed by AMSAT OSCAR 10 in that it uses the same MBB motor. Both use
combinations of hypergolic fluids, UDMH (unsymmetrical di-methyl hydrazine)
and nitrogen tetroxide. The fluids explode spontaneously on contact to
produce thrust. A slightly improved version of these fluids will provide more
thrust on Phase 3C compared to AO-10.
Of especial interest and a major achievement scored was the successful test of
the new propulsion system plumbing and valves. This had represented a major
risk area since Phase 3C employs a new design. The AO-10 valve system was
abandoned since analysis of the performance of the AO-10 system indicated
improvements were called for. The new system worked perfectly on its first
try according to W4PUJ.
In related news, the rough time line for the AMSAT Phase 3C launch campaign
was recently laid out. Based on an estimated launch date of March 24, the
launch teams from AMSAT DL and AMSAT NA will be arriving in Kourou, French
Guiana about mid-February.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2.(N) Launch Insurance Fund Reaches Milestone
Thanks to the leadership of affiliated AMSAT organizations and the generosity
of a growing number of individuals, AMSAT NA's Phase 3C Launch Insurance
Campaign recently passed the 50% mark with over $5,000 committed to the fund.
The fund aims to insure the new spacecraft against any loss due to launch or
deployment problems.
Recent major donations of $1,000 each have been received from Brazil AMSAT
under the leadership of Junior DeCastro, PY2BJO, and from AMSAT UK under the
leadership of Ron Broadbent, G3AAJ. In addition, Hans Van de Groenendaal,
ZS6AKV, has announced that SA AMSAT's Board has committed to a similar
donation of $1,000. AMSAT NA gratefully acknowledges the support of the
members of these fine organizations and the leadership of the Secretary of
AMSAT UK and the Presidents of BRAMSAT and SA AMSAT.
Individual donations to the insurance fund are now needed to complete the
final 50% of the goal. See ASR #160 to see how to make your donation count.
AMSAT DL, partners with AMSAT NA on the Phase 3C Project, is funding launch
insurance as well from independent sources.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
3.(N) Meeting In Ottawa To Advance Nordski Plans
Leo Labutin, UA3CR and a colleague in the joint Canadian-Russian Skitrek
project returned to Ottawa on December 11 after several weeks of training at
Frobisher Bay on Baffin Island, Canada. The primary purpose of the Frobisher
station is to support the actual skiers beginning next February. Then skiers
will travel from the USSR to Canada across the North Pole in a trek that will
take up to 3 months.
Digitalker tests with UoSat OSCAR 9 were successful with UA3CR reporting he
heard the voice synthesizer quite well on an HT at Frobisher. The Digitalker
demonstrations and tests for the Polar Expedition were arranged by Surrey at
UA3CR's request between December 5 through 10. During the actual Skitrek next
February, UO-9 or UO-11 will relay navigational information to the Skitrek
team. The position of the team will be determined using the COSPAS/SARSAT
satellites. The results of the analysis will be uplinked to UoSAT and thence
to the skiers in digitized voice. Digitalker is heard on the normal UoSAT
downlink of 145.825 MHz, FM.
AMSAT and Surrey are supporting the program under their Project Nordski Comm.
Educators around the world have expressed interest in receiving the UoSAT
Digitalker downlink and in plotting the progress of the Skitrek team on maps.
On December 12 a contingent of AMSAT leaders from the U.S. traveled to Ottawa
to meet with UA3CR to discuss plans for the polar expedition as well as
potential future joint satellite projects between AMSAT-NA and AMSAT-UA. The
meeting in Ottawa was arranged by AMSAT's John Henry, VE2VQ, who has acted as
AMSAT's liaison to the expedition and to CRRL which is coordinating the
overall expedition radio activity.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
4.(N) ARRL Seeks Lab Supervisor
An immediate opening exists in the Technical Department at ARRL HQ for a
Laboratory Supervisor. They are looking for a licensed and experienced
amateur with a BSEE degree, or equivalent experience. A candidate must have
sufficient experience in industry to know laboratory procedures and test
standards, and must have the ability to train and counsel laboratory
personnel. The ideal candidate would have a (analog/digital and
hardware/software) design background, and an ability to work with
experimenters in the field. Contact Chuck Hutchinson, K8CH at 203-666-1541
for further details.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
5.(N) Short Bursts
Progress has been made with UO-11 and the spacecraft is now back transmitting
telemetry after lengthy diagnosis at Surrey. They still need to carry out some
further activities before normal service can resume but it is hoped that will
occur very soon
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
RECENT NEWS IN REVIEW
=====================
Headlines:
6.(R) PACSAT Design Converges At Washington Meeting
7.(R) No Threat To Satellite Operations IARU Asserts
8.(R) Cross-Satellite Contacts Reported
9.(R) New Field Ops VP Calls For Area Coordinator Handbook Ideas
10.(U) AO-10 Ops Schedule
11.(U) FO-12 Ops Schedule
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
6.(R) PACSAT Design Converges At Washington Meeting
The AMSAT-NA PACSAT design team met at AMSAT headquarters the weekend of
December 5 to advance the design of AMSAT's new PACSAT concept. Leaders from
AMSAT, TAPR and San Diego packet radio groups attended. Spokesman expressed
satisfaction at the progress and felt substantial agreement had emerged.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
7.(R) No Threat To Satellite Operations IARU Asserts
The potential threat to 70 cm satellite operation in IARU Region 3 does not
exist according to IARU authorities. In a recent communication, IARU Region 3
officials deny there was ever any serious plan to use 435 to 438 MHz for
terrestrial FM.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
8.(R) Cross-Satellite Contacts Reported
According to G3IOR, G4CUO scored a satellite crosslink with WA3ETD on November
27 when the pair hooked up via a AO-10 to FO-12 link. The uplink to AO-10 was
at 70 cm yielding a downlink at 2 meters. That downlink was picked up by
FO-12's Mode JA receiver and resulted in an FO-12 downlink at 70 cm. In a
similar vein and on the same day, November 27, Dave, G4CUO, heard Andy, OK3AU
through RS-11 and FO-12.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
9.(R) New Field Ops VP Calls For Area Coordinator Handbook Ideas
Newly elected Vice President of Field Operations, Doug Loughmiller, KO5I,
announced at the AMSAT-NA Symposium in Detroit that an "Area Coordinator's
Handbook" is to be developed. The purpose of the handbook is to provide all
Area Coordinators with a good foundation of information. Please send your
ideas to Ross Forbes, WB6GFJ, P.O. Box 1, Los Altos, California 94023-0001.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
10.(U) AO-10 Ops Schedule
Here is the AO-10 operating schedule for the next few weeks:
AMSAT OSCAR 10 Transponder Operating Schedule
=============================================
+---------------------+--------------------------------+
| Time Frame (1987) | Mode B Operating Times in MA |
+---------------------+--------------------------------+
| Dec 08 thru Dec 14 | 0 thru 99 and 171 thru 255 |
| Dec 15 thru Dec 21 | 0 thru 109 and 191 thru 255 |
| Dec 22 thru Dec 28 | 0 thru 119 and 201 thru 255 |
| Dec 29 thru Jan 04 | 0 thru 139 and 221 thru 255 |
+---------------------+--------------------------------+
As always, please insure you use the lowest uplink power levels so as to
insure satellite health as well as good communications.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
11.(U) FO-12 Ops Schedule
Here is the operating schedule for FO-12 for the next few days:
Operating schedule for FO-12
Mode From (UTC) To (UTC)
--------------------------------
JA 12 05:51 -- 14 01:57
JA 15 03:06 -- 16 06:19
JA 17 05:25 -- 18 06:33
JD** 19 22:34 -- 20 00:37
JD 20 04:44 -- 21 05:52
JD 22 04:58 -- 23 04:04
JD 24 01:06 -- 25 06:19
JD 26 03:24 -- 27 04:32
JD 28 03:38 -- 29 02:43
The transponders will be off at other time. The schedule may be changed at
any time due to unexpected power situations.
** Note: On December 19 from 22:34 through 0:34 UTC, a special telemetry
software package will be loaded to permit telemetry transmission every 2
seconds instead of every minute. No mailbox functions will be available during
this period but the digipeater will be operational. Reports of received
telemetry will be appreciated. Please send them to JARL via the FO-12 mailbox.
any time due to unexpected power situations.
******************************************************************************