April 1999

 

Table 45.1: GBES Tracking Pass Summary for April 1999

		no	% lost			Attended	Unattended
pass	% good	op.	total	hardware	software	% recovered	% recoverable	exp	notes
9904020130	80.64		19	19		40		V050c	TWT module not working properly, operator error
9904021906	99.67							VS08t
9904032000	99.87							W083h
9904061903	99.89
9904071853	99.94
9904092134	99.83							V030g	phase glitches
9904111954	99.88
9904122042	99.31								HALCA Ku antenna wire wrap
9904132233	98.30								HALCA Ku antenna wire wrap,phase glitches
9904142247	99.80							W088b1	HALCA Ku antenna wire wrap
9904161840	96.39		3						phase glitches, HALCA signal disappeared
9904172004	99.93							W066a1
9904182126	99.89							W066b1	phase glitch
9904201740	99.92
9904211852	99.63							W056b1	phase glitch, DR_REC=CYCLE
9904221848	99.93
9904232115	99.25							V030i	Thunderstorm
9904242333	98.16							W030h	HALCA Ku antenna wire wrap, phase glitches
9904251716	99.92
9904261736	99.92							VS02j	phase glitch, DR_REC=STOP
9904271850	99.83							VS04f
9904272125	99.88
9904301728	94.72		5	5		72		W056b2	Tape 1 broke,restarted 3 times trying to fix

There was a total of 23 tracking passes in April of 1999 with none of these being an unattended tracking pass. Of the 23 attended tracking passes 21 collected the maximum amount of valid data possible.

Of the 13 recording passes, 11 collected the maximum amount of good data.

$\bullet$ 21 of 23 attended passes had max good data.

$\bullet$ Operators helped increase amount of good data in 2 of 2 ``bad'' attended passes.

$\bullet$ A total of 0.24 tracking passes lost data due to hardware problems.

$\bullet$ A total of 0.03 tracking passes lost data due to problems with HALCA.

$\bullet$ 11 of 13 recording passes were completely successful.

$\bullet$ 13 of 13 recording passes were at least 80% successful.

$\bullet$ A total of 0.24 recording passes lost data.