The present targets for the Total and Cold times are:
I3 :130ks
S3 :170ks
....to be achieved by acquiring time as equally as possible amongst the three SI Modes: (TE_007AC, TE_007AE, & TE_00B26).
Total Cold Time on I3: 114186 seconds
Total Cold Time on S3: 149494 seconds
| Stats | TE_007AC | TE_007AE | TE_00B26 |
|---|---|---|---|
| Total Exp. Cold Time (secs) | 173280 | 173280 | 173280 |
| Total Actual Cold Time (secs) | 28718 | 35308 | 85468 |
| Delta From Expected (secs) | -144561 | -137971 | -87811 |
| % of Exp. Cold Total (secs) | 16.57% | 20.38% | 49.32% |
| Stats | TE_007AC | TE_007AE | TE_00B26 |
|---|---|---|---|
| Total Expected Time (secs) | 288800 | 288800 | 288800 |
| Total Actual Time (secs) | 262421 | 250388 | 425623 |
| Delta From Expected (secs) | -26379 | -38412 | 136823 |
| % of Expected Total (secs) | 90.87% | 86.70% | 147.38% |
| SI Mode | Total Number of Obs. | Total Exposure Time (sec) | Average Exposure (sec/obs) |
|---|---|---|---|
| Primary 6 Chip SI Modes | |||
| TE_007AC | 36 | 262421.00 | 7289.47 |
| TE_007AE | 32 | 221447.00 | 6920.22 |
| TE_00B26 | 26 | 178946.00 | 6882.54 |
| Old 6 Chip SI Modes | |||
| TE_00216 | 0 | 0.00 | 0.00 |
| TE_0021C | 0 | 0.00 | 0.00 |
| TE_008EA | 0 | 0.00 | 0.00 |
| 5 Chip SI Modes | |||
| TE_00C60 | 10 | 95407.00 | 9540.70 |
| TE_00CA8 | 3 | 28941.00 | 9647.00 |
| 4 Chip SI Modes | |||
| TE_00C62 | 7 | 151270.00 | 21610.00 |
| Totals: | 114 | 938432.00 | 8231.86 |
Rule #1: The key time period for balancing SI mode statistics is the 6 month Epoch
By the end of the epoch, the SI mode statistics should match the rules stated below.
Rule #2: Each of the three, default, 6 chip, SI modes (or their 5 chip equivalents) must be used
at least once in each load week.
- If two SI modes are lagging in either cold time or total time, apportion the week's ECS
measurements between the two of them roughly commensurate with the amount they are lagging.
- The 6 month Epoch allows "even" correction of two lagging SI modes. No
need to pile a weeks worth of ECS measurements on one SI mode if two are lagging.
Rule #3: Make certain to spread the amount of COLD ECS time as evenly as possible across all three SI modes
Balance Cold measurement data between the three default 6-chip modes within 10%
of each other on an Epoch basis
Rule #4: Spread the amount of *Total* ECS time as evenly as possible across all three SI modes.
- Balance Total measurement data between the three default 6-chip modes within 10%
of each other on an Epoch basis.
Rule #3 takes precedence over Rule #4.
Rule #5:At least 60% of scheduled ECS measurement time must be -119.2 deg. C
Rule #6: Any ECS measurements during a Perigee Passage that are cold MUST be assigned to the nominal
ECS run SI modes. i.e. Any requested Rawmode runs can be done with a warm focal plane.
All of the TE_00CA8s get counted as TE_007AE
Half of the TE_00C60s get counted towards TE_007AC and the other half get counted with the TE_00B26s
Half of the TE_00C62s get counted towards TE_007AC and the other half get counted with the TE_00B26s.
So watchout for TE_00B26 over-representation.