Session Notes for R1 (Rapid Turnaround Monday) session: r1283
Prepared by C. Thomas, NVI, Inc./GSFC
Refer to http://ivscc.gsfc.nasa.gov/program/descrip2007.html#r1
for the session purpose.
===========================================================
Parameter values for experiment R1283
Experiment description: IVS-R1
Scheduler: NASA Correlator: Please see the master schedule
Nominal start: 2007-183-17:00:00 Nominal end: 2007-184-17:00:00
Current yyyyddd: 2007183 (2007.50) ( 14284 MJD, MON. 2JUL.)
Greenwich sidereal time: 11:41:24.00 (17: 0: 0 UT)
Sun's RA and DEC: 6h 45.4m 23d 1.6
===========================================================
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.
===========================================================
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.
===========================================================
First observations
Source Start DURATIONS
name yyddd-hhmmss Ft Hh Ho Ny Ts Wf Wz
0727-115 07183-170000| 40 40 |
1633+38 07183-170000| 40 40 40 40|
1958-179 07183-170142| 40 40 |
===========================================================
Last observations
Source Start DURATIONS
name yyddd-hhmmss Ft Hh Ho Ny Ts Wf Wz
3C418 07184-165619| 81 40 83 83|
1424-418 07184-165748| 86 86 |
0048-097 07184-165814| 40 40 |
===========================================================
SKED Summary from file ./r1283.skd for experiment R1283
(all scans with at least one subnet station)
Average number of obs. per baseline per source(normalized by up-time) = 9.2
Min = .0 Max = 87.3 (Baseline Ts-Wz on 0607-157) RMS = 11.8
Total time: 1439 minutes ( 24.0 hours).
Key: Ft=FORTLEZA Hh=HARTRAO Ho=HOBART26 Ny=NYALES20 Ts=TSUKUB32
Wf=WESTFORD Wz=WETTZELL
Ft Hh Ho Ny Ts Wf Wz Avg
% obs. time: 33 30 24 24 35 49 39 33
% cal. time: 3 4 4 3 7 5 5 5
% slew time: 37 56 53 17 27 21 17 33
% idle time: 25 10 17 54 30 23 37 29
total # scans: 266 337 379 287 578 454 452 393
# scans/hour : 11 14 16 12 24 19 19 16
Avg scan (sec): 108 76 55 73 52 94 75 75
# data tracks: 16 16 16 16 16 16 16
# Mk5 tracks: 16 16 16 16 16 16 16
Total GBytes: 1133 1041 883 862 1287 1693 1377 1182
Total GB(M5): 1007 925 785 767 1144 1504 1224 1051
# of tapes : .1 .1 .1 .1 .1 .1 .1
tape change times (hhmm):
Total number of tapes: .5 Total GBytes (M5) recorded: 7356.4
# OF OBSERVATIONS BY BASELINE
| Ft Hh Ho Ny Ts Wf Wz StnTotal
---------------------------------------------
Ft| 123 7 23 3 144 77 377
Hh| 104 45 65 46 157 540
Ho| 22 298 16 25 472
Ny| 198 204 229 721
Ts| 201 209 974
Wf| 245 856
Wz| 942
Number of 2-station scans: 649
Number of 3-station scans: 272
Number of 4-station scans: 151
Number of 5-station scans: 7
Number of 6-station scans: 0
Number of 7-station scans: 0
Total # of scans, observations: 1079 2441
===========================================================
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 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
===========================================================
Monitoring Sources
Source Min Max Actual Num #Scans
0831+557 1.00 1.50 1.64 40 12
0400-319 1.00 1.50 .70 17 15
1656+053 1.00 1.50 1.47 36 14
0912+029 1.00 1.50 1.56 38 12
OQ172 1.00 1.50 1.31 32 20
2150+173 1.00 1.50 .94 23 12
1830+285 1.00 1.50 .74 18 18
1633+38 1.00 1.50 2.17 53 11
3C309.1 1.00 1.50 2.01 49 10
2351+456 1.00 1.50 2.25 55 17
Total 14.79 361 141
===========================================================
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 FF
===========================================================
Major Options
SkyCov Yes
Min_Between 20
Best% 60.0
Last_Hrs 1.00
Add_ps 30.00
Obs_Wts SNRwt
===========================================================
Tape types
ID Station Tape length Density Passes
Ft FORTLEZA Mark5A
Hh HARTRAO Mark5A
Ho HOBART26 Mark5A
Ny NYALES20 Mark5A
Ts TSUKUB32 Mark5A
Wf WESTFORD Mark5A
Wz WETTZELL Mark5A
===========================================================
SNR Targets
Minimum SNR by baseline for multi-baseline scans
X-band (margin 5) S-band (margin 3)
Ft Hh Ho Ny Ts Wf Ft Hh Ho Ny Ts Wf
Hh 20 Hh 15
Ho 20 20 Ho 15 15
Ny 20 20 20 Ny 15 15 15
Ts 20 20 20 20 Ts 15 15 15 15
Wf 20 20 20 20 20 Wf 15 15 15 15 15
Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15