Session Notes for R1 (Rapid Turnaround Monday) session: r1902
Prepared by C. Thomas, NVI, Inc./GSFC
Refer to http://ivscc.gsfc.nasa.gov/program/descrip2019.html#r1
for the session purpose.
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----- Parameter listing --------------------------------------
Experiment: R1902 Description IVS-R1
Scheduler: NASA Correlator: BONN
Start: 2019-189-17:00:00 End: 2019-190-17:00:00
Current yyyyddd: 2019189 (2019.52) ( 18673 MJD, MON. 8JUL.)
Greenwich sidereal time: 12:05:26 (17:00:00 UT)
Sun's RA and DEC: 7h 10.5m 22d 26.8
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Important Station Information
Ishioka was tagged along to this schedule file.
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There are no observations for Sheshan from 18:15 U.T. to
19:45 U.T. Sheshan will participate in the intensive session
during this period.
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First observations
Source Start DURATIONS
name yyddd-hhmmss Ht Is Kb Ke Ma Kv Sh Yg
1741-038 19189-170000| 75 100 20 219 46 78 20 219|
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Last observations
Source Start DURATIONS
name yyddd-hhmmss Ht Is Kb Ke Ma Kv Sh Yg
1354-152 19190-165129| 190 190 |
2318+049 19190-165132| 269 84 267 225 182 269|
3C418 19190-165647| 46 37 46 35 46 20 45|
0308-611 19190-165829| 86 86|
1803+784 19190-165830| 85 85 85 85 85 |
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SKED Summary from file ./r1902.skd for experiment R1902
(all scans with at least one subnet station)
Average number of obs. per baseline per source(normalized by up-time) = 12.6
Min = 0.0 Max = 70.2 (Baseline Is-Ma on 1124-186) RMS = 15.0
Total time: 1440 minutes ( 24.0 hours).
Key: Ht=HART15M Is=ISHIOKA Kb=KASHIM34 Ke=KATH12M Ma=MATERA
Kv=SEJONG Sh=SESHAN25 Yg=YARRA12M
Ht Is Kb Ke Ma Kv Sh Yg Avg
% obs. time: 55 67 47 70 52 63 37 66 57
% cal. time: 4 4 5 4 4 4 5 4 4
% slew time: 21 6 42 12 29 17 47 13 24
% idle time: 19 22 6 13 14 16 10 16 15
total # scans: 371 325 399 337 338 330 422 346 358
# scans/hour : 15 14 17 14 14 14 18 14 15
Avg scan (sec): 128 178 101 181 133 164 75 165 140
# data tracks: 32 32 32 32 32 32 32 32
# Mk5 tracks: 32 32 32 32 32 32 32 32
Total TB(M5): 3.05 3.71 2.58 3.89 2.88 3.47 2.03 3.65 3.16
# OF OBSERVATIONS BY BASELINE
| Ht Is Kb Ke Ma Kv Sh Yg Total
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Ht| 128 172 151 225 124 213 190 1203
Is| 303 242 174 275 286 206 1614
Kb| 257 188 278 361 218 1777
Ke| 137 227 269 274 1557
Ma| 161 222 117 1224
Kv| 283 192 1540
Sh| 240 1874
Yg| 1437
Number of 2-station scans: 160
Number of 3-station scans: 109
Number of 4-station scans: 54
Number of 5-station scans: 87
Number of 6-station scans: 134
Number of 7-station scans: 74
Number of 8-station scans: 31
Total number of scans: 649
Total number of obs: 6113
Total integrated obs-time: 679234
Average obs-time: 111.1
Histogram of observation durations
Dur: 15 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300
#Obs: | 1081| 532| 538| 479| 481| 343| 395| 378| 326| 267| 108| 122| 113| 103| 147| 88| 99| 79| 434|
Average X-band SNRs by baseline
| Ht Is Kb Ke Ma Kv Sh Yg AVG
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Ht| 66 47 47 69 43 75 48 58
Is| 103 67 70 94 128 55 88
Kb| 48 51 62 115 38 72
Ke| 41 44 72 46 54
Ma| 46 83 44 61
Kv| 85 36 63
Sh| 59 91
Yg| 47
Average S-band SNRs by baseline
| Ht Is Kb Ke Ma Kv Sh Yg AVG
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Ht| 46 43 27 38 28 39 32 36
Is| 72 38 39 48 55 38 50
Kb| 35 37 42 63 34 49
Ke| 21 24 29 28 29
Ma| 24 32 24 32
Kv| 34 24 34
Sh| 29 42
Yg| 30
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Recording mode
Name Code
GEOSX8N 8F
Recording mode for: HART15M ISHIOKA KASHIM34 KATH12M MATERA SEJONG SESHAN25 YARRA12M
Mode Tot.Rate Tot.BandW #BBC #bits Barrel
Mk341:1 512 Mbits 128 MHz 14 2 NONE
Chan.BW #Subpasses Tracks(*fan) Tot.tracks
8.00 MHz 1 32(*1) 32
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
19.13 11.48 30.61
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Monitoring Sources
Source Min Max Actual #Num #Scans
0918-297 1.00 1.50 0.05 3 3
1318-263 1.00 1.50 0.08 5 3
2005-489 1.00 1.50 0.00 0 0
0325+395 1.00 1.50 0.07 4 2
0516-621 1.00 1.50 0.07 4 4
2106+143 1.00 1.50 0.20 12 5
1823+568 1.00 1.50 1.10 67 7
0743+259 1.00 1.50 0.13 8 4
0013-005 1.00 1.50 0.56 34 5
1608+243 1.00 1.50 0.00 0 0
Total 2.24 137 33
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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 HtIsKbKeMaKvShYg
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
SplitTwins No
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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 Kb Ke Ma Kv Sh Ht Is Kb Ke Ma Kv Sh
Is 20 Is 15
Kb 20 20 Kb 15 15
Ke 20 20 20 Ke 15 15 15
Ma 20 20 20 20 Ma 15 15 15 15
Kv 20 20 20 20 20 Kv 15 15 15 15 15
Sh 20 20 20 20 20 20 Sh 15 15 15 15 15 15
Yg 20 20 20 20 20 20 20 Yg 15 15 15 15 15 15 15