Session Notes for R1 (Rapid Turnaround Monday) session: r1327
Prepared by C. Thomas, NVI, Inc./GSFC
Refer to http://ivscc.gsfc.nasa.gov/program/descrip2008.html#r1
for the session purpose.
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Parameter values for experiment R1327
Experiment description: IVS-R1
Scheduler: NASA Correlator: Please see the master schedule
Nominal start: 2008-126-17:00:00 Nominal end: 2008-127-17:00:00
Current yyyyddd: 2008126 (2008.35) ( 14592 MJD, MON. 5MAY.)
Greenwich sidereal time: 7:55: 0.00 (17: 0: 0 UT)
Sun's RA and DEC: 2h 52.4m 16d 29.9
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Important Station Information
Badary 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 Bd Ft Hh Ny On Tc Wf Wz
0727-115 08126-170000| 57 40 134 134 40 53|
0820+560 08126-170154| 72 135 135|
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Last observations
Source Start DURATIONS
name yyddd-hhmmss Bd Ft Hh Ny On Tc Wf Wz
0537-441 08127-165318| 60 40 60 |
1611+343 08127-165400| 40 40 40 40|
1357+769 08127-165547| 40 40 40 40|
0208-512 08127-165603| 92 92 |
OQ208 08127-165727| 40 72 72 40|
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SKED Summary from file ./r1327.skd for experiment R1327
(all scans with at least one subnet station)
Average number of obs. per baseline per source(normalized by up-time) = 6.7
Min = 0.0 Max = 76.4 (Baseline Ny-On on CTA26 ) RMS = 9.7
Total time: 1439 minutes ( 24.0 hours).
Key: Bd=BADARY Ft=FORTLEZA Hh=HARTRAO Ny=NYALES20 On=ONSALA60
Tc=TIGO Wf=WESTFORD Wz=WETTZELL
Bd Ft Hh Ny On Tc Wf Wz Avg
% obs. time: 16 38 27 35 46 32 33 40 34
% cal. time: 2 3 3 4 5 2 4 5 3
% slew time: 29 38 45 19 28 7 15 14 25
% idle time: 51 19 24 42 20 58 47 40 38
total # scans: 190 286 228 310 413 179 312 399 289
# scans/hour : 8 12 10 13 17 7 13 17 12
Avg scan (sec): 74 116 103 97 96 154 92 87 102
# data tracks: 16 16 16 16 16 16 16 16
# Mk5 tracks: 16 16 16 16 16 16 16 16
Total GBytes: 572 1298 927 1191 1582 1058 1150 1398 1147
Total GB(M5): 508 1153 824 1059 1406 941 1022 1243 1020
# of tapes : 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
tape change times (hhmm):
Total number of tapes: 0.6 Total GBytes (M5) recorded: 8156.5
# OF OBSERVATIONS BY BASELINE
| Bd Ft Hh Ny On Tc Wf Wz StnTotal
--------------------------------------------------
Bd| 12 39 125 157 0 68 151 552
Ft| 142 36 72 146 154 72 634
Hh| 34 80 82 51 117 545
Ny| 254 11 157 196 813
On| 34 149 321 1067
Tc| 92 32 397
Wf| 136 807
Wz| 1025
Number of 2-station scans: 321
Number of 3-station scans: 231
Number of 4-station scans: 95
Number of 5-station scans: 76
Number of 6-station scans: 30
Number of 7-station scans: 6
Number of 8-station scans: 0
Total # of scans, observations: 759 2920
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Recording mode
Name Code
GEOSX SX
Recording mode setup for:
BADARY HARTRAO NYALES20 ONSALA60 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 0.01
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:
FORTLEZA
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 0.01
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
0827+243 1.00 1.50 1.51 44 13
0111+021 1.00 1.50 0.45 13 13
0820+560 1.00 1.50 1.47 43 12
1557+032 1.00 1.50 0.58 17 9
0016+731 1.00 1.50 1.54 45 19
1150+497 1.00 1.50 1.61 47 7
3C138 1.00 1.50 0.99 29 17
1738+476 1.00 1.50 1.30 38 8
2214+350 1.00 1.50 1.27 37 12
1049+215 1.00 1.50 0.86 25 15
Total 11.58 338 125
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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 FFFFF TFF
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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
Bd BADARY Mark5A
Ft FORTLEZA Mark5A
Hh HARTRAO Mark5A
Ny NYALES20 Mark5A
On ONSALA60 Mark5A
Tc TIGOCONC 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)
Bd Ft Hh Ny On Tc Wf Bd Ft Hh Ny On Tc Wf
Ft 20 Ft 15
Hh 20 20 Hh 15 15
Ny 20 20 20 Ny 15 15 15
On 20 20 20 20 On 15 15 15 15
Tc 15 15 15 15 15 Tc 12 12 12 12 12
Wf 20 20 20 20 20 15 Wf 15 15 15 15 15 12
Wz 20 20 20 20 20 15 20 Wz 15 15 15 15 15 12 15