Session Notes for R1 (Rapid Turnaround Monday) session: r1985
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: R1985 Description IVS-R1
Scheduler: NASA Correlator: BONN
Start: 2021-039-17:00:00 End: 2021-040-17:00:00
Current yyyyddd: 2021039 (2021.11) ( 19254 MJD, MON. 8FEB.)
Greenwich sidereal time: 02:16:05 (17:00:00 UT)
Sun's RA and DEC: 21h 30.3m -14d 45.7
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Important Station Information
Ny Alesund-South was tagged along to this schedule file.
Wettzell-North was tagged along to this schedule file.
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There are no observations for Kokee and Wettzell from 18:15 U.T.
to 19:45 U.T. Kokee and Wettzell will participate in the
intensive session during this period.
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First observations
Source Start DURATIONS
name yyddd-hhmmss Ht Kk Ma Ns Kv Wn Wz Yg
0727-115 21039-170000| 21 31 78 97 97 37|
1610-771 21039-170132| 97 97|
1803+784 21039-170232| 107 81 106 90 107 106 |
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Last observations
Source Start DURATIONS
name yyddd-hhmmss Ht Kk Ma Ns Kv Wn Wz Yg
3C418 21040-165424| 20 20 66 66 66 |
2227-088 21040-165611| 20 25 87 87 |
1324+224 21040-165620| 215 215 |
0454-234 21040-165825| 90 90 90 90 90|
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SKED Summary from file ./r1985.skd for experiment R1985
(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 = 61.7 (Baseline Ht-Yg on 0814+425) RMS = 15.6
Total time: 1440 minutes ( 24.0 hours).
Key: Ht=HART15M Kk=KOKEE Ma=MATERA Ns=NYALE13S Kv=SEJONG
Wn=WETTZ13N Wz=WETTZELL Yg=YARRA12M
Ht Kk Ma Ns Kv Wn Wz Yg Avg
% obs. time: 56 52 53 46 60 68 64 59 57
% cal. time: 5 4 6 3 5 5 6 4 5
% slew time: 24 21 36 1 20 8 13 14 18
% idle time: 14 22 4 50 14 18 16 22 21
total # scans: 442 371 483 216 390 457 508 367 404
# scans/hour : 18 15 20 9 16 19 21 15 17
Avg scan (sec): 109 120 94 182 134 129 109 138 126
# data tracks: 16 16 16 16 16 16 16 16
# Mk5 tracks: 16 16 16 16 16 16 16 16
Total TB(M5): 1.54 1.43 1.46 1.26 1.67 1.88 1.77 1.62 1.58
# OF OBSERVATIONS BY BASELINE
| Ht Kk Ma Ns Kv Wn Wz Yg Total
--------------------------------------------------
Ht| 0 243 46 95 220 234 221 1059
Kk| 165 149 257 185 204 125 1085
Ma| 207 206 419 439 76 1755
Ns| 193 207 201 47 1050
Kv| 219 212 148 1330
Wn| 424 76 1750
Wz| 76 1790
Yg| 769
Number of 2-station scans: 338
Number of 3-station scans: 152
Number of 4-station scans: 182
Number of 5-station scans: 57
Number of 6-station scans: 143
Number of 7-station scans: 33
Number of 8-station scans: 0
Total number of scans: 905
Total number of obs: 5294
Total integrated obs-time: 580484
Average obs-time: 109.6
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: | 1503| 809| 420| 487| 424| 225| 197| 145| 126| 155| 100| 66| 258| 89| 90| 47| 22| 36| 95|
Average X-band SNRs by baseline
| Ht Kk Ma Ns Kv Wn Wz Yg AVG
-------------------------------------------------
Ht| - 46 60 34 56 64 33 49
Kk| 42 67 35 54 66 31 49
Ma| 84 39 81 96 32 69
Ns| 56 121 143 47 92
Kv| 47 58 26 43
Wn| 146 39 89
Wz| 46 99
Yg| 34
Average S-band SNRs by baseline
| Ht Kk Ma Ns Kv Wn Wz Yg AVG
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Ht| - 24 32 20 40 32 24 29
Kk| 28 48 30 50 42 28 38
Ma| 36 16 46 39 17 34
Ns| 25 69 57 25 46
Kv| 27 23 16 23
Wn| 80 28 53
Wz| 23 48
Yg| 23
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Recording mode
Name Code
GEOSX SX
Recording mode for: HART15M KOKEE MATERA SEJONG WETTZ13N WETTZELL 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
2326-477 1.00 1.50 0.23 12 12
1610-771 1.00 1.50 0.49 26 26
0601-172 1.00 1.50 0.02 1 1
1423+146 1.00 1.50 0.25 13 3
1928+154 1.00 1.50 0.13 7 2
0549-575 1.00 1.50 0.26 14 14
1143-245 1.00 1.50 0.02 1 1
2307+106 1.00 1.50 0.00 0 0
0342+147 1.00 1.50 0.89 47 10
1014+615 1.00 1.50 1.19 63 9
Total 3.48 184 78
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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 HtKkMaNsKvWnWzYg
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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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 Kk Ma Ns Kv Wn Wz Ht Kk Ma Ns Kv Wn Wz
Kk 20 Kk 15
Ma 20 20 Ma 15 15
Ns 20 20 20 Ns 15 15 15
Kv 20 20 20 20 Kv 15 15 15 15
Wn 20 20 20 20 20 Wn 15 15 15 15 15
Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15
Yg 20 20 20 20 20 20 20 Yg 15 15 15 15 15 15 15