2013-09-19 Flight Notes

Shifts (Local time = EDT = UTC-4):
	•	Gero		0500 - 1100
	•	Tobin		1100 - 1400
	•	Kuehn	1400 - 1800
	•	Tobin		1800 - 0000
	•	Kuehn	0000 - 0500
	•	Gero		0500 - 1000

Science OPS
	•	Begin (first drop)
	⁃	Timer = 0520
	⁃	1730 UTC
	⁃	1330 L
	•	End (end of last drop)	
	⁃	Timer = 1815
	⁃	0625 UTC
	⁃	0225 L

Timeline (All times UTC)
	•	0930 Gero in GHOC
	•	0950 GH engine start
	•	Modem syncing issues
	•	1056 Ku ON
	•	1057 DC41 ON (BusA)
	•	1057 DC42 ON (BusB)
	•	1101 Ku transmitting
	•	Issues with FAA clearance.  Flight plan was lost in the system, had to be refiled
	•	1204 clearance approved
	•	1206 IL41 ON (SHIS Power)
	•	1210 Takeoff
	•	Status packets, SOH packets OK. Not getting drsh
	•	1228 detector temp <80 K, but cooling very slowly, and detector current is intermittent and high
	•	1249 detector current remains high at 1.4A
	•	1250 approx, cooler changes regime, signature now exhibits 'good' state
	•	1347 detector current remains high, but slowly ramping down, now at 1.25 A.
	•	1347 timeDifference steady <1s at all times so far
	•	1500 Shift change:  S-HIS has been OK overall.  Cooler initially started up in high current state, but around 1250 hopped into the 'normal' state; current has been decreasing and is near 1A; detector temperature has been steady at 77K throughout the flight.
	•	1500 Tobin shift begins (Gero depart)
	•	1505 - 1540 Ku out or saturated
	•	1730  Begin lawnmower patter and first dropsonde released
	•	1750 Kuehn shift begins (Tobin depart)
	•	1916 Ku down for about a minute, looks like intermittent drop outs
	•	2027 Intermittent Ku drop outs
	•	2150 Tobin begins shift (Kuehn depart)
	•	Dropsondes indicate the storm center is 21deg 48min North, 95deg 50min West
	•	0000 Kuehn shift begins (Tobin depart)
	•	0511 at approx storm center 21.845 lat, -95.849 lon
	•	0603 last sonde drop, #88
	•	0900 Shift change:  S-HIS has been nominal
	•	0900 Gero begins shift (Kuehn depart)
	•	0941 IL42 ON (Descent heaters)
	•	1007 Instrument power OFF before descent (IL42, IL41, DC42, DC41)
	•	1021 Instrument power ON (DC41, DC42, IL41, IL42)
	•	1023 Start md5sum
	•	1034 Created md5sums for all 44 .rsh files in sh130919
	•	1038 Instrument power OFF (DC41, DC42, IL41, IL42)
	•	1053 Landing

Misc notes
	•	The Stirling cooler was slow to get to normal operating current after startup, but detector temperature was nominal around 77 K throughout the flight, and the S-HIS operated nominally throughout the flight.