8/11/08
DIAL Daily Activity Log | Telescope | ||||||||||
Type: | Ch5 | Ch1 | |||||||||
Date | 8/11/2008 | Time Zone | GMT-5 | Primary Diameter | 16'' | 4'' | |||||
Operator | Kuang | F/# | 4.5 | 1 | |||||||
Sky Condition | cloudy before 17:30 | Field Stop | 1.5 mrads | 4.3mrads | |||||||
Electronics | |||||||||||
Laser power | before data acquisition | Ch5 | Ch 1 | ||||||||
HV (kV) | UV(mW) | BBO Crystal | PMT | EMI8931QA | R7400U-03 | ||||||
285 Laser | 1.6 | 66 | 289.098 | Voltage | 1850V | 800V | |||||
291 Laser | 1.52 | 47 | 297.041 | Serial # | 49 | ||||||
Ch5 | Ch1 | LICEL | |||||||||
Alignment | No | No | No alignment due to clouds | Ch5 | Ch1 | ||||||
Disc Level | 8 | 8 | |||||||||
ADC Range (mV) | 500 | 500 | |||||||||
Data Description | |||||||||||
Filter | Delay (us) | ||||||||||
Start time | End time | del t(min) | Ch1 | Ch5 | Ch1 | Ch5 | |||||
2 | solar | solar | 0 | 5 | |||||||
17:22 | 6 | Increase the delay |
Comments: The UV power decreases.
Range-corrected signal
Ozone retrieval (10-min resolution)
Concurrent ozonesonde measurement at 13:45 local time.