karn (01/29/83)
UOSAT SPACECRAFT CONTROL CENTRE
UNIVERSITY OF SURREY, GUILDFORD, SURREY, ENGLAND
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UOSAT SPACECRAFT OPERATIONAL STATUS:
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**** UOSAT BULLETIN-13 1200 GMT 28 JANUARY 1983 ****
** S/C NEWS **
THE 2.4 GHZ AND 10.5 GHZ BEACONS ON UOSAT WERE ACTIVATED ON
ORBITS 6920 AND 6996 WHEN TELEMETRY INDICATED BOTH BEACONS TO
BE OPERATING CORRECTLY WITH 100 MW OUTPUT ON 2.4 GHZ. ATTEMPTS
TO TRACK THE 2.4 GHZ BEACON BEFORE STABILISATION IS COMPLETE
MAY FOLLOW IF THE ATTITUDE MANOEUVRES SCHEDULE ALLOWS.
THERE HAVE BEEN FURTHER TESTS ON THE CCD EXPT IN PREPARATION
FOR POST-STABILISATION OPERATIONS. CCD EXPT OPERATION WAS
NOMINAL AND RESULTS WILL BE GIVEN WHEN ANALYSIS IS COMPLETE.
A COMPLETE LIST OF TELEMETRY CALIBRATION EQUATIONS, INCLUDING
UPDATES, WILL BE INCLUDED IN A BULLETIN SOON........WATCH THIS
SPACE!
** S/C ATTITUDE **
FURTHER ATTITUDE MANOEUVRES TO TILT THE S/C UP INTO THE ORBIT
PLANE IN PREPARATION FOR BOOM DEPLOYMENT HAVE CONTINUED THIS
WEEK, INCLUDING CHANGES TO THE Z-SPIN PERIOD, CURRENTLY 50 SECS
AT 47 DEGREES. WE HOPE TO BE THERE SOON!!
** S/C OPERATIONS SCHEDULE **
MONDAY TO FRIDAY......ATTITUDE CONTROL & SYSTEM TESTS (INC CCD)
SATURDAY & SUNDAY.....TELEMETRY, BULLETIN & SPEECH TELEMETRY
************ THE 145 MHZ BEACON WILL BE OFF FROM 1200 GMT
SUNDAY 30/1/83 FOR ESSENTIAL ATTITUDE MANOEUVRES USING 435 MHZ
BEACON ************
IF ALL GOES WELL, THE TIP-MASS RELEASE PYROS ARE SCHEDULED TO
BE FIRED ON ORBIT 7316 FOLLOWED BY RECALIBRATION OF THE
MAGNETOMETERS.
** THANKS FOR FEEDBACK **
G3LYP, G8UYB, HP1AC, G8EDG, K4GFG, DB2OS, G3YMC, WD4IXI,
JH7CKF, AMSAT-UK-523, AMSAT-LM-728, SM7AIO, HP1AC, WA5ZIB,
G3UYB, G4ROA, SM7-6859, JA4GVA, OZ1WN.
**POST BOX**
*** JR1SWB DE G3YJO, TNX FOR LETTER 11/1/83 WILL ADVISE WHEN
VISIT POSSIBLE.
*** QSL CARDS WILL BE SENT TO ALL STATIONS SUPPLYING REPORTS
SHORTLY.
*SPACECRAFT ORBITAL DATA*
ORBITS FOR 28TH JANUARY
UOSAT OSCAR-8 NOAA-7
ORBIT NO : 7256 24975 8247
EQX TIME : 15:19:41 15:18:58 14:31:53 GMT
EQX LONG : 2.8 307.7 351.8 DEG.W
MEAN HGT : 509.0 905.0 850.0 KM
PERIOD : 94.7662145 103.1680733 101.9167240 MINS
P-DRAG : 7.191E-05 2.611E-06 8.000E-06 *N-REF
LONG INC : 23.6911583 25.7934846 25.4735060 DEGS
L-DRAG : 1.809E-05 7.028E-07 2.000E-06 *N-REF
QSL/POST CARDS CONFIRMING RECEPTION OF UOSAT DATA INCLUDING
STATION DETAILS WOULD BE APPRECIATED FOR SURVEY OF NO. AND
GEOGRAPHIC DISTRIBUTION OF ACTIVE STATIONS
SEND TO: DR.M.N.SWEETING, UOSAT CONTROL CENTRE - THANK YOU