karn (02/05/83)
UOSAT SPACECRAFT CONTROL CENTRE UNIVERSITY OF SURREY, GUILDFORD, SURREY, ENGLAND ************************************************ UOSAT SPACECRAFT OPERATIONAL STATUS: ************************************ **** UOSAT BULLETIN-14 1200 GMT 4 FEBRUARY 1983 **** ** SPACECRAFT NEWS ** THE BOOM TIP-MASS RELEASE PYROTECHNIC PIN-PULLERS WERE FIRED SUCCESSFULLY ON ORBIT 7127 FOLLOWING A LAST MINUTE SOFTWARE HOLD ON ORBIT 7126. DETAILED ANALYSIS OF REAL-TIME TELEMETRY AND STORED MAGNETOMETER DATA HAVE CONFIRMED THERE TO HAVE BEEN NO PERTURBATION TO EITHER THE S/C ATTITUDE NOR THE MAGNETOMETER ALIGNMENT. ** SPACECRAFT ATTITUDE ** ATTITUDE MANOEUVRES HAVE CONTINUED THIS WEEK, INCLUDING CHANGES TO THE Z-SPIN PERIOD, CURRENTLY 70 SECS AT 60 DEGREES TILT. WE HAVE NOW ENTERED THE REGION OF POTENTIAL GRAVITY GRADIENT CAPTURE. MANOEUVRES TO INCREASE THE TILT AND REDUCE THE SPIN FURTHER WILL CONTINUE NEXT WEEK IN PREPARATION FOR BOOM DEPLOYMENT. ** SPACECRAFT OPERATIONS SCHEDULE ** MONDAY TO FRIDAY......ATTITUDE CONTROL & DEPLOYMENT SOFTWARE TESTS SATURDAY & SUNDAY.....TELEMETRY, BULLETIN & SPEECH TELEMETRY ** 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, G3UKV, VE2QO, UNIV.BERGEN. ** POST BOX ** *** JR1SWB DE G3YJO, TNX FOR LETTER 29/1/83 *** QSL CARDS ARE BEING PREPARED & WILL BE SENT TO ALL STATIONS SUPPLYING REPORTS SHORTLY. *SPACECRAFT ORBITAL DATA* ORBITS FOR 4TH FEBRUARY UOSAT OSCAR-8 NOAA-7 ORBIT NO : 7362 25072 8346 EQX TIME : 14:45:09 14:06:15 14:41:36 GMT EQX LONG : 354.1 289.7 353.7 DEG.W MEAN HGT : 509.0 905.0 850.0 KM PERIOD : 94.7634940 103.1678200 101.9159320 MINS P-DRAG : 5.480E-05 2.611E-06 8.000E-06 *N-REF LONG INC : 23.6904744 25.7934164 25.4733080 DEGS L-DRAG : 1.378E-05 7.028E-07 2.000E-06 *N-REF QSL/POST CARDS CONFARMING 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