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.