karn (01/29/83)
UOSAT SPACECRAFT CONTROL CENTRE UNIVERSITY OF SURREY, GUILDFORD, SURREY, ENGLAND ************************************************ UOSAT SPACECRAFT OPERATIONAL STATUS: ************************************ **** 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