9/13/08
| IAL Daily Activity Log | Telescope | ||||||||||||
| Type: | Ch5 | Ch1 | |||||||||||
| Date | 9/13/2008 | Time Zone: | GMT-5 | Primary Diameter | 16'' | 4'' | |||||||
| Operator | Kuang | F/# | 4.5 | 1 | |||||||||
| Sky Condition | cloudy, 2km clouds, clear from 17:30 | Field Stop | 1.5 mrads | 4.3mrads | |||||||||
| Electronics | |||||||||||||
| Laser power | before data acquisition | Ch5 | Ch 1 | ||||||||||
| HV (kV) | Green(W) | UV(mW) | BBO Crystal | PMT | EMI8931QA | R7400U-03 | |||||||
| 285 Laser | 1.5 | 62 | 289.102 | Voltage | 1850V | 800V | |||||||
| 291 Laser | 1.5 | 0.89 | 44 | 297.088 | Serial # | 49 | |||||||
| Ch5 | Ch1 | LICEL | |||||||||||
| Alignment | No | No | Use 9/07/08 alignment | 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 | |||||||
| 12:16 | 20:09 | 2 | solar | solar | 0 | 5 | |||||||
Comments: 285 power decreases to 62mW from 76mW of last time and 291 power decreases to 44mW from 60mW.The green of 291 is about 0.89W, which is normal.Today is cloudy. It's hard to align. So didn't check furtherly. Still keep the alignment of last time.
Range-corrected signal
Ceilometer Data
O3 DIAL Retrieval (some cloud interferences)
Ozonesonde launched at 13:05
