Session Notes for R1 (Rapid Turnaround Monday) session: r1992
Prepared by C. Thomas, NVI, Inc./GSFC
Refer to http://ivscc.gsfc.nasa.gov/program/descrip2021.html#r1
for the session purpose.
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----- Parameter listing --------------------------------------
Experiment: R1992 Description IVS-R1
Scheduler: NASA Correlator: BONN
Start: 2021-088-17:00:00 End: 2021-089-17:00:00
Current yyyyddd: 2021088 (2021.24) ( 19303 MJD, MON. 29MAR.)
Greenwich sidereal time: 05:29:16 (17:00:00 UT)
Sun's RA and DEC: 0h 33.9m 3d 39.4
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Important Station Information
Ny Alesund-South was tagged along to this schedule file.
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First observations
Source Start DURATIONS
name yyddd-hhmmss Ag Ht Ma Ns Kv Wn Yg
0454-234 21088-170000| 79 41 47 79 |
0727-115 21088-170200| 110 33 110 33|
3C279 21088-170344| 20 20|
0202+319 21088-170431| 277 277 318 318 |
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Last observations
Source Start DURATIONS
name yyddd-hhmmss Ag Ht Ma Ns Kv Wn Yg
1406-076 21089-164025| 367 367|
0454-234 21089-164122| 164 20 140 164 |
0420-014 21089-164447| 271 91 228 271 |
1059+282 21089-164738| 247 247 |
0202+319 21089-164959| 321 287 321 134 |
0529+483 21089-165249| 143 143 143 |
0059+581 21089-165601| 20 42 27 42 |
0332-403 21089-165627| 208 208 |
3C418 21089-165724| 32 151 151 80 |
0119+115 21089-165925| 30 30 |
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SKED Summary from file ./r1992.skd for experiment R1992
(all scans with at least one subnet station)
Average number of obs. per baseline per source(normalized by up-time) = 9.4
Min = 0.0 Max = 62.6 (Baseline Ag-Ht on 0202+319) RMS = 14.2
Total time: 1440 minutes ( 24.0 hours).
Key: Ag=AGGO Ht=HART15M Ma=MATERA Ns=NYALE13S Kv=SEJONG
Wn=WETTZ13N Yg=YARRA12M
Ag Ht Ma Ns Kv Wn Yg Avg
% obs. time: 68 64 60 33 62 67 57 59
% cal. time: 3 4 4 2 4 5 3 4
% slew time: 4 24 30 1 17 8 11 14
% idle time: 24 7 5 64 16 19 28 24
total # scans: 238 365 381 139 339 438 266 309
# scans/hour : 10 15 16 6 14 18 11 13
Avg scan (sec): 245 151 135 203 157 133 186 172
# data tracks: 16 16 16 16 16 16 16
# Mk5 tracks: 16 16 16 16 16 16 16
Total TB(M5): 1.87 1.76 1.65 0.90 1.70 1.86 1.58 1.62
# OF OBSERVATIONS BY BASELINE
| Ag Ht Ma Ns Kv Wn Yg Total
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Ag| 212 90 12 0 88 29 431
Ht| 163 21 53 176 76 701
Ma| 122 136 354 50 915
Ns| 121 126 29 431
Kv| 177 190 677
Wn| 58 979
Yg| 432
Number of 2-station scans: 434
Number of 3-station scans: 135
Number of 4-station scans: 174
Number of 5-station scans: 37
Number of 6-station scans: 2
Number of 7-station scans: 0
Total number of scans: 782
Total number of obs: 2283
Total integrated obs-time: 333800
Average obs-time: 146.2
Histogram of observation durations
Dur: 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400
#Obs: | 426| 269| 127| 124| 166| 138| 120| 91| 143| 74| 173| 83| 85| 46| 42| 37| 14| 31| 94|
Average X-band SNRs by baseline
| Ag Ht Ma Ns Kv Wn Yg AVG
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Ag| 23 26 25 - 24 15 23
Ht| 85 62 38 83 42 57
Ma| 92 40 89 38 73
Ns| 61 121 50 85
Kv| 46 39 45
Wn| 46 76
Yg| 39
Average S-band SNRs by baseline
| Ag Ht Ma Ns Kv Wn Yg AVG
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Ag| 18 14 15 - 18 21 17
Ht| 38 34 19 51 29 33
Ma| 39 17 51 18 37
Ns| 28 70 24 43
Kv| 27 19 22
Wn| 27 45
Yg| 22
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Recording mode
Name Code
GEOSX SX
Recording mode for: AGGO HART15M MATERA SEJONG WETTZ13N YARRA12M
Mode Tot.Rate #Chan Chan.BW Tot.BW #BBC #bits Tracks*(fan) Tot.tracks Barrel
Mk341:1 256 Mbps 16 8 Mhz 128 Mhz 14 1 16*(1) 16 NONE
X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz
S-band spanned bw= 140.0 MHz rms spanned bw= 50.9 MHz
Effective number of 1-bit channels recorded per sub-pass
X S Total
10.00 6.00 16.00
Recording mode for: NYALE13S
Mode Tot.Rate #Chan Chan.BW Tot.BW #BBC #bits Tracks*(fan) Tot.tracks Barrel
MK341:2 256 Mbps 16 8 Mhz 128 Mhz 14 1 16*(2) 32 NONE
X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz
S-band spanned bw= 140.0 MHz rms spanned bw= 50.9 MHz
Effective number of 1-bit channels recorded per sub-pass
X S Total
10.00 6.00 16.00
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Monitoring Sources
Source Min Max Actual #Num #Scans
3C345 1.00 1.50 0.61 14 14
NGC1218 1.00 1.50 0.53 12 8
0826-373 1.00 1.50 0.74 17 11
2325-150 1.00 1.50 0.39 9 3
2037+216 1.00 1.50 1.93 44 12
1737-081 1.00 1.50 0.13 3 1
3C279 1.00 1.50 1.23 28 16
1150+497 1.00 1.50 1.27 29 8
0010+405 1.00 1.50 0.22 5 5
0346+800 1.00 1.50 0.22 5 5
Total 7.27 166 83
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Minor Options
Astro Abs 3.00
BegScan Rel 1.00
EndScan Rel 1.00
NumObs Rel 1.00
StatWt Abs 2.00
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Major Options
Subnet AgHtMaNsKvWnYg
SkyCov Yes
AllBlGood Yes
MaxAngle 180.00
MinAngle 15.00
MinBetween 20
MinSunDist 4.00
MaxSlewTime 300
TimeWindow 4.00
MinSubNetSize 2
NumSubNet 1
Best 60
FillIn Yes
FillMinSub 3
FillMinTime 120
FillBest 80
Add_ps 30.0
El_noise 0.0
SNRWts Yes
SplitTwins No
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Weighted Station
1 AGGO 2.00
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SNR Targets
Minimum SNR by baseline for multi-baseline scans
X-band (margin 0) S-band (margin 0)
X-band (ast_margin 0) S-band (ast_margin 0)
Ag Ht Ma Ns Kv Wn Ag Ht Ma Ns Kv Wn
Ht 15 Ht 13
Ma 15 20 Ma 13 15
Ns 15 20 20 Ns 13 15 15
Kv 15 20 20 20 Kv 13 15 15 15
Wn 15 20 20 20 20 Wn 13 15 15 15 15
Yg 15 20 20 20 20 20 Yg 13 15 15 15 15 15