April 1998

 

Table 21.1: GBES Tracking Pass Summary for April 1998

		no	% lost			Attended	Unattended
pass	% good	op.	total	hardware	software	% recovered	% recoverable	exp	notes
9804021046	86.01		13		7	10			high winds, computer locked up
9804031222	68.61		31	31		60			power supply failure
9804061012	99.78
9804071041	92.31		7		7			V130a	computer problem, phr jump
9804081159	99.95							V017d2
9804101703	99.84							VS03m
9804111002	99.73							V029a2
9804111327	99.42							V029a2
9804121043	99.68							V047n	phr jump
9804131207	99.74							V047m
9804141523	99.87
9804151703	99.80
9804160938	17.00		82			17			lightning strike before pass
9804161903	99.69							VS06t
9804171048	99.78							V123a	phr jumps
9804191356	98.83							VT835	heavy rain, Ku ant. unwrap
9804210943	107.1							V030r	17 min. data > sched, phr jumps
9804211043								V030r	made part of 9804210943
9804221303	99.84
9804231353	99.89							VS04p
9804240853	99.89
9804250840	99.91							V077g2
9804260945	99.25								phase jumps
9804271102	99.52							VS03u	phase jumps
9804281234	99.88					100		VS07h	phase jump, Peltier off before pass
9804291423	99.81							V034b4	station clock jumped during pass
9804300957	99.84							V105j	phase jump

There was a total of 27 tracking passes in April of 1998 with 0 of these being unattended tracking passes. Of the 27 attended tracking passes 24 collected the maximum amount of valid data possible. There were 2 tracking passes where data was lost due to incliment weather.

Of the 18 recording passes, 17 collected the maximum amount of good data while the other recording pass lost 7% of the data during the pass.

$\bullet$ 24 of 27 attended passes had max good data.

$\bullet$ Operators helped increase amount of good data in 3 of 4 ``bad'' attended passes.

$\bullet$ A total of 0.14 tracking passes lost data due to software problems.

$\bullet$ A total of 0.31 tracking passes lost data due to hardware problems.

$\bullet$ A total of 0.88 tracking passes lost data due to inclement weather.

$\bullet$ 17 of 18 recording passes were completely successful.

$\bullet$ A total of 0.07 recording passes lost data.