Session Notes for R1 (Rapid Turnaround Monday) session: r1826
Prepared by C. Thomas, NVI, Inc./GSFC
Refer to http://ivscc.gsfc.nasa.gov/program/descrip2018.html#r1
for the session purpose.
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----- Parameter listing --------------------------------------
Experiment: R1826 Description IVS-R1
Scheduler: NASA Correlator: WASH
Start: 2018-022-17:00:00 End: 2018-023-17:00:00
Current yyyyddd: 2018022 (2018.06) ( 18141 MJD, MON. 22JAN.)
Greenwich sidereal time: 01:07:58 (17:00:00 UT)
Sun's RA and DEC: 20h 19.6m -19d 34.3
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There are no observations for Kokee from 18:15 U.T.
to 19:45 U.T. Kokee will participate in the
intensive session during this period.
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First observations
Source Start DURATIONS
name yyddd-hhmmss Ht Is Ke Kk Mc Ny Kv Wn Yg
0955+476 18022-170000| 134 300 226 245 274 292 300|
NRAO150 18022-170250| 107 107 |
0552+398 18022-170533| 159 181 124 177 161 181 |
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Last observations
Source Start DURATIONS
name yyddd-hhmmss Ht Is Ke Kk Mc Ny Kv Wn Yg
1213-172 18023-165327| 163 118 163 |
CTA26 18023-165438| 108 88 129 129 119|
1546+027 18023-165646| 189 189 |
0454-234 18023-165728| 147 147 147 147 147|
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SKED Summary from file ./r1826.skd for experiment R1826
(all scans with at least one subnet station)
Average number of obs. per baseline per source(normalized by up-time) = 7.8
Min = 0.0 Max = 65.5 (Baseline Ht-Ny on 0237-027) RMS = 12.2
Total time: 1440 minutes ( 24.0 hours).
Key: Ht=HART15M Is=ISHIOKA Ke=KATH12M Kk=KOKEE Mc=MEDICINA
Ny=NYALES20 Kv=SEJONG Wn=WETTZ13N Yg=YARRA12M
Ht Is Ke Kk Mc Ny Kv Wn Yg Avg
% obs. time: 54 72 65 54 50 64 58 69 62 61
% cal. time: 4 6 5 4 5 5 4 5 5 5
% slew time: 20 10 16 22 38 21 19 3 16 19
% idle time: 20 12 13 19 5 9 18 22 16 15
total # scans: 388 492 409 370 441 448 362 470 400 420
# scans/hour : 16 21 17 15 18 19 15 20 17 18
Avg scan (sec): 121 126 138 125 99 123 139 128 134 125
# data tracks: 16 16 16 16 16 16 16 16 16
# Mk5 tracks: 16 16 16 16 16 16 16 16 16
Total TB(M5): 1.50 1.98 1.81 1.48 1.39 1.76 1.61 1.92 1.72 1.68
# OF OBSERVATIONS BY BASELINE
| Ht Is Ke Kk Mc Ny Kv Wn Yg Total
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Ht| 100 98 0 240 136 83 229 150 1036
Is| 210 279 181 272 287 213 148 1690
Ke| 154 51 81 174 65 305 1138
Kk| 97 207 186 126 106 1155
Mc| 300 123 411 58 1461
Ny| 174 341 51 1562
Kv| 143 133 1303
Wn| 59 1587
Yg| 1010
Number of 2-station scans: 343
Number of 3-station scans: 281
Number of 4-station scans: 158
Number of 5-station scans: 159
Number of 6-station scans: 91
Number of 7-station scans: 26
Number of 8-station scans: 12
Number of 9-station scans: 0
Total number of scans: 1070
Total number of obs: 5971
Total integrated obs-time: 699048
Average obs-time: 117.1
Histogram of observation durations
Dur: 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300
#Obs: | 883| 536| 591| 622| 569| 513| 452| 324| 237| 185| 113| 136| 176| 142| 145| 82| 66| 199
Average X-band SNRs by baseline
| Ht Is Ke Kk Mc Ny Kv Wn Yg AVG
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Ht| 42 41 - 56 57 33 56 42 50
Is| 51 57 46 63 65 51 39 54
Ke| 36 40 42 37 40 42 42
Kk| 35 53 40 37 29 44
Mc| 72 38 85 37 62
Ny| 48 79 40 63
Kv| 40 28 44
Wn| 38 64
Yg| 38
Average S-band SNRs by baseline
| Ht Is Ke Kk Mc Ny Kv Wn Yg AVG
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Ht| 30 26 - 32 32 24 44 32 33
Is| 29 54 26 36 34 38 26 36
Ke| 34 19 25 22 29 24 26
Kk| 30 47 36 46 31 42
Mc| 34 19 48 21 34
Ny| 26 50 23 38
Kv| 29 20 28
Wn| 30 43
Yg| 26
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Recording mode
Name Code
GEOSX SX
Recording mode for: HART15M ISHIOKA KATH12M KOKEE MEDICINA NYALES20 SEJONG WETTZ13N YARRA12M
Mode Tot.Rate Tot.BandW #BBC #bits Barrel
Mk341:1 256 Mbits 128 MHz 14 1 NONE
Chan.BW #Subpasses Tracks(*fan) Tot.tracks
8.00 MHz 1 16(*1) 16
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
2239+096 1.00 1.50 0.80 48 7
1330+022 1.00 1.50 0.37 22 6
0747+185 1.00 1.50 0.13 8 4
1044+719 1.00 1.50 1.49 89 18
1717+178 1.00 1.50 1.19 71 19
0241+622 1.00 1.50 0.02 1 1
1657-562 1.00 1.50 0.30 18 18
3C120 1.00 1.50 1.49 89 12
1954+513 1.00 1.50 1.09 65 14
1059+282 1.00 1.50 0.23 14 12
Total 7.12 425 111
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Minor Options
Astro Abs 3.00
BegScan Rel 1.00
EndScan Rel 1.00
NumObs Rel 1.00
StatIdle Abs 3.00
StatWt Abs 2.00
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Major Options
Subnet HtIsKeKkMcNyKvWnYg
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
SNRWts Yes
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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)
Ht Is Ke Kk Mc Ny Kv Wn Ht Is Ke Kk Mc Ny Kv Wn
Is 20 Is 15
Ke 20 20 Ke 15 15
Kk 20 20 20 Kk 15 15 15
Mc 20 20 20 20 Mc 15 15 15 15
Ny 20 20 20 20 20 Ny 15 15 15 15 15
Kv 20 20 20 20 20 20 Kv 15 15 15 15 15 15
Wn 20 20 20 20 20 20 20 Wn 15 15 15 15 15 15 15
Yg 20 20 20 20 20 20 20 20 Yg 15 15 15 15 15 15 15 15