Session Notes for R1 (Rapid Turnaround Monday) session: r1275
Prepared by C. Thomas, NVI, Inc./GSFC
Refer to http://ivscc.gsfc.nasa.gov/program/descrip2007.html#r1
for the session purpose.
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Parameter values for experiment R1275
Experiment description: IVS-R1
Scheduler: NASA Correlator: Please see the master schedule
Nominal start: 2007-127-17:00:00 Nominal end: 2007-128-17:00:00
Current yyyyddd: 2007127 (2007.35) ( 14228 MJD, MON. 7MAY.)
Greenwich sidereal time: 8: 0:37.00 (17: 0: 0 UT)
Sun's RA and DEC: 2h 57.2m 16d 50.6
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Important Station Information
This session has mixed bandwidths since Fortaleza is
included. Fortaleza is using 4 MHz.
Ny Alesund and Zelenchukskaya were tagged along to this session.
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There are no observations for Wettzell from 18:15 U.T.
to 19:45 U.T. Wettzell will participate in the
intensive session during this period.
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First observations
Source Start DURATIONS
name yyddd-hhmmss Ft Hh Ny Tc Ts Wf Wz Zc
0727-115 07127-170000| 120 40 120 40 57 40|
3C418 07127-170207| 66 40 78 78 |
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Last observations
Source Start DURATIONS
name yyddd-hhmmss Ft Hh Ny Tc Ts Wf Wz Zc
CTA26 07128-165334| 152 152 |
2113+293 07128-165519| 55 55 55 |
OK290 07128-165720| 60 60 |
1057-797 07128-165850| 66 66 |
1417+385 07128-165903| 40 40 40 40|
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SKED Summary from file ./r1275.skd for experiment R1275
(all scans with at least one subnet station)
Average number of obs. per baseline per source(normalized by up-time) = 7.5
Min = .0 Max = 130.9 (Baseline Ts-Zc on 1622-253) RMS = 12.4
Total time: 1440 minutes ( 24.0 hours).
Key: Ft=FORTLEZA Hh=HARTRAO Ny=NYALES20 Tc=TIGO Ts=TSUKUB32
Wf=WESTFORD Wz=WETTZELL Zc=ZELENCHK
Ft Hh Ny Tc Ts Wf Wz Zc Avg
% obs. time: 45 34 26 42 36 55 46 16 38
% cal. time: 3 3 3 3 5 5 5 3 4
% slew time: 35 51 17 9 18 21 17 34 26
% idle time: 16 11 52 46 41 18 31 46 33
total # scans: 259 276 269 219 400 445 453 223 318
# scans/hour : 11 12 11 9 17 19 19 9 13
Avg scan (sec): 151 107 85 166 77 107 87 63 104
# data tracks: 16 16 16 16 16 16 16 16
# Mk5 tracks: 16 16 16 16 16 16 16 16
Total GBytes: 1497 1165 916 1390 1258 1874 1580 589 1284
Total GB(M5): 1331 1035 814 1235 1118 1666 1405 524 1141
# of tapes : .1 .1 .1 .1 .1 .1 .1 .1
tape change times (hhmm):
Total number of tapes: .6 Total GBytes (M5) recorded: 9128.7
# OF OBSERVATIONS BY BASELINE
| Ft Hh Ny Tc Ts Wf Wz Zc StnTotal
--------------------------------------------------
Ft| 126 51 121 9 119 80 39 545
Hh| 36 70 58 54 130 105 579
Ny| 23 171 199 225 86 791
Tc| 35 87 36 19 391
Ts| 222 237 120 852
Wf| 253 95 1029
Wz| 186 1147
Zc| 650
Number of 2-station scans: 307
Number of 3-station scans: 310
Number of 4-station scans: 144
Number of 5-station scans: 69
Number of 6-station scans: 12
Number of 7-station scans: 1
Number of 8-station scans: 0
Total # of scans, observations: 843 2992
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Recording mode
Name Code
GEOSX SX
Recording mode setup for:
FORTLEZA
Mode Tot.Rate Tot.BandW #chan #bits Barrel
Mk341:2 256.000 Mbits 64.000 MHz 14 1 NONE
Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed
4.00 MHz 1 16(*2) 32 .01
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 channels recorded per sub-pass
X S Total
10.000 6.000 16.000
Recording mode setup for:
HARTRAO NYALES20 TIGOCONC WESTFORD WETTZELL ZELENCHK
Mode Tot.Rate Tot.BandW #chan #bits Barrel
Mk341:2 256.000 Mbits 128.000 MHz 14 1 16
Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed
8.00 MHz 1 16(*2) 32 .01
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 channels recorded per sub-pass
X S Total
10.000 6.000 16.000
Recording mode setup for:
TSUKUB32
Mode Tot.Rate Tot.BandW #chan #bits Barrel
Mk341:2 256.000 Mbits 128.000 MHz 14 1 NONE
Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed
8.00 MHz 1 16(*2) 32 .01
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 channels recorded per sub-pass
X S Total
10.000 6.000 16.000
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Monitoring Sources
Source Min Max Actual Num #Scans
0458+138 1.00 1.50 .00 0 0
1155+251 1.00 1.50 .00 0 0
0215+015 1.00 1.50 .00 0 0
2007+777 1.00 1.50 .57 17 3
0111+021 1.00 1.50 .00 0 0
1727+502 1.00 1.50 .00 0 0
2235+731 1.00 1.50 .57 17 17
M81 1.00 1.50 .00 0 0
1416+067 1.00 1.50 .00 0 0
2254+074 1.00 1.50 1.07 32 13
Total 2.21 66 33
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Minor Options
Option Norm Wt Aux_Parm
Astro Abs 3.00
BegScan Rel 1.00
EndScan Rel 1.00
NumObs Rel 1.00
StatIdle Abs 3.00
StatWt Abs 1.00 FFFTF FFF
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Major Options
SkyCov Yes
Min_Between 20
Best% 60.0
Last_Hrs 1.00
Add_ps 30.00
Obs_Wts SNRwt
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Tape types
ID Station Tape length Density Passes
Ft FORTLEZA Mark5A
Hh HARTRAO Mark5A
Ny NYALES20 Mark5A
Tc TIGOCONC Mark5A
Ts TSUKUB32 Mark5A
Wf WESTFORD Mark5A
Wz WETTZELL Mark5A
Zc ZELENCHK Mark5A
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SNR Targets
Minimum SNR by baseline for multi-baseline scans
X-band (margin 5) S-band (margin 3)
Ft Hh Ny Tc Ts Wf Wz Ft Hh Ny Tc Ts Wf Wz
Hh 20 Hh 15
Ny 20 20 Ny 15 15
Tc 15 15 15 Tc 12 12 12
Ts 20 20 20 15 Ts 15 15 15 12
Wf 20 20 20 15 20 Wf 15 15 15 12 15
Wz 20 20 20 15 20 20 Wz 15 15 15 12 15 15
Zc 20 20 20 15 20 20 20 Zc 15 15 15 12 15 15 15