Session Notes for R1 (Rapid Turnaround Monday) session: r1278
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 R1278
Experiment description: IVS-R1
Scheduler: NASA Correlator: Please see the master schedule
Nominal start: 2007-149-17:00:00 Nominal end: 2007-150-17:00:00
Current yyyyddd: 2007149 (2007.41) ( 14250 MJD, TUES 29MAY.)
Greenwich sidereal time: 9:27:22.00 (17: 0: 0 UT)
Sun's RA and DEC: 4h 24.7m 21d 38.0
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Important Station Information
This session has mixed bandwidths since Fortaleza is
included. Fortaleza is using 4 MHz.
Ny Alesund was 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 Ho Ny Tc Ts Wf Wz
0727-115 07149-170000| 126 40 126 40 55|
1958-179 07149-170000| 40 40 |
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Last observations
Source Start DURATIONS
name yyddd-hhmmss Ft Hh Ho Ny Tc Ts Wf Wz
0454-234 07150-165258| 200 200 |
0656+082 07150-165309| 143 143|
1519-273 07150-165503| 40 40 40 |
0556+238 07150-165609| 120 120 120|
1424-418 07150-165724| 40 40 |
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SKED Summary from file ./r1278.skd for experiment R1278
(all scans with at least one subnet station)
Average number of obs. per baseline per source(normalized by up-time) = 8.0
Min = .0 Max = 72.0 (Baseline Tc-Ts on 0920-397) RMS = 11.1
Total time: 1438 minutes ( 24.0 hours).
Key: Ft=FORTLEZA Hh=HARTRAO Ho=HOBART26 Ny=NYALES20 Tc=TIGO
Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL
Ft Hh Ho Ny Tc Ts Wf Wz Avg
% obs. time: 45 33 32 26 54 39 56 46 41
% cal. time: 3 3 4 3 3 5 5 5 4
% slew time: 32 53 52 16 11 21 19 15 28
% idle time: 19 10 11 55 31 33 19 33 27
total # scans: 251 297 331 242 281 468 396 411 334
# scans/hour : 10 12 14 10 12 20 17 17 14
Avg scan (sec): 154 96 84 93 165 71 123 97 110
# data tracks: 16 16 16 16 16 16 16 16
# Mk5 tracks: 16 16 16 16 16 16 16 16
Total GBytes: 1482 1131 1126 895 1774 1373 1897 1590 1408
Total GB(M5): 1317 1005 1001 796 1577 1220 1686 1414 1252
# of tapes : .1 .1 .1 .1 .1 .1 .1 .1
tape change times (hhmm):
Total number of tapes: .6 Total GBytes (M5) recorded: 10015.6
# OF OBSERVATIONS BY BASELINE
| Ft Hh Ho Ny Tc Ts Wf Wz StnTotal
--------------------------------------------------
Ft| 108 4 29 114 7 119 81 462
Hh| 83 38 78 46 57 134 544
Ho| 10 103 185 14 17 416
Ny| 18 162 171 203 631
Tc| 23 104 38 478
Ts| 182 218 823
Wf| 219 866
Wz| 910
Number of 2-station scans: 542
Number of 3-station scans: 281
Number of 4-station scans: 160
Number of 5-station scans: 22
Number of 6-station scans: 0
Number of 7-station scans: 0
Number of 8-station scans: 0
Total # of scans, observations: 1005 2565
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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
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:
HOBART26 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
2146-783 1.00 1.50 .08 2 2
0920-397 1.00 1.50 .70 18 14
1610-771 1.00 1.50 .19 5 5
0821+394 1.00 1.50 1.21 31 15
0111+021 1.00 1.50 .35 9 9
1849+670 1.00 1.50 1.56 40 8
0153+744 1.00 1.50 .82 21 19
0420-014 1.00 1.50 1.48 38 16
Total 6.39 164 88
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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 FFFFT 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
Ho HOBART26 Mark5A
Ny NYALES20 Mark5A
Tc TIGOCONC Mark5A
Ts TSUKUB32 Mark5A
Wf WESTFORD Mark5A
Wz WETTZELL 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 Ho Ny Tc Ts Wf Ft Hh Ho Ny Tc Ts Wf
Hh 20 Hh 15
Ho 20 20 Ho 15 15
Ny 20 20 20 Ny 15 15 15
Tc 15 15 15 15 Tc 12 12 12 12
Ts 20 20 20 20 15 Ts 15 15 15 15 12
Wf 20 20 20 20 15 20 Wf 15 15 15 15 12 15
Wz 20 20 20 20 15 20 20 Wz 15 15 15 15 12 15 15