Session Notes for R4 (Rapid Turnaround Thursday) session: r4045
Prepared by C. Thomas, NVI/GSFC
Refer to http://ivscc.gsfc.nasa.gov/program/descrip2002.html#r4
for the session purpose.
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Parameter values for experiment R4045   
Experiment description: NEOSA
Scheduler: USNO         Correlator: Washington
Nominal start: 2002-311-18:30:00     Nominal end: 2002-312-19:00:00
 Current yyyyddd:    2002311 (2002.85)  ( 12586 MJD, THUR  7NOV.)
 Greenwich sidereal time:   21:37: 8.67 (18:30: 0 UT)
 Sun's RA and DEC:   14h 50.8m   -16d 23.2
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Gilcreek was tagged along to this schedule file because of
the earthquake in Alaska on November 3, 2002. The magnitude 
of the earthquake was 7.9 and it was 125 km from Gilcreek.
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First observations
Source      Start      DURATIONS                   
name     yyddd-hhmmss  Ap  Ft  Gc  Kk  Ma  Ny  Wz 
1334-127 02311-183000|  98 105     105            |
1749+096 02311-183510|  98 142 130      98 142  98|
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Last observations
Source      Start      DURATIONS                   
name     yyddd-hhmmss  Ap  Ft  Gc  Kk  Ma  Ny  Wz 
2136+141 02312-181802|  98 279         207 279 176|
1156+295 02312-182702|  98      98  98      98    |
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   SKED Summary from file ./r4045.skd for experiment R4045   

      (all scans with at least one subnet station)


 Average number of obs. per baseline per source (normalized by up-time) =   3.4
 Min =    .0   Max =   70.2 (Baseline Ny-Wz on 1741-038)   RMS =   5.2

 Total time:       1438 minutes ( 24.0 hours).

 Key:     Ap=ALGOPARK   Ft=FORTLEZA   Gc=GILCREEK   Kk=KOKEE      Ma=MATERA  
          Ny=NYALES20   Wz=WETTZELL

                  Ap  Ft  Gc  Kk  Ma  Ny  Wz  Avg
 % obs. time:     29  29  15  38  47  43  43  35 
 % cal. time:      2   1   1   1   2   2   2   1 
 % slew time:     46  20   7   8  18  13   8  17 
 % idle time:     21  48  75  51  31  41  45  45 
 # of tapes :     .4 1.6  .3  .5  .7  .6  .7
 total # scans:  184 116 104 147 184 194 202 161 
 # scans/hour :    7   4   4   6   7   8   8  6.7
 Avg scan (sec): 137 217 130 223 223 193 187 187 
 tape change times (hhmm):
               0000 0847 0000 0000 0000 0000 0000 
                                                                                                                              
      # OF OBSERVATIONS BY BASELINE

   | Ap  Ft  Gc  Kk  Ma  Ny  Wz   StnTotal 
 ------------------------------------------
 Ap|184  81  69 111  75 111  96      543 
 Ft|    116  23  29  85  63  83      364 
 Gc|        104  85  49  93  60      379 
 Kk|            147  43 100  58      426 
 Ma|                184 134 178      564 
 Ny|                    194 146      647 
 Wz|                        202      621 


 Number of  2-station scans:   78
 Number of  3-station scans:   90
 Number of  4-station scans:   54
 Number of  5-station scans:   56
 Number of  6-station scans:   29
 Number of  7-station scans:    5

 Total # of scans, observations:   312    1772

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Recording mode
  Name  Code 
NEOS-WB  NW
Recording mode setup for:
   ALGOPARK GILCREEK KOKEE    MATERA   NYALES20 WETTZELL 
  Mode      Tot.Rate     Tot.BandW   #chan #bits  Barrel
 C         56.000 Mbits  28.000 MHz   14   1     NONE
  Chan.BW  #Subpasses  Tracks(*fan)  Tot.tracks  Speed
  2.00 MHz      2         14(*0)        28        80.00
  X-band  spanned bw=   680.0 MHz       rms spanned bw=   252.6 MHz
  S-band  spanned bw=   110.0 MHz       rms spanned bw=    43.7 MHz
  Effective number of channels recorded per sub-pass
         X         S       Total
          8.000     6.000    14.000
Recording mode setup for:
   FORTLEZA 
  Mode      Tot.Rate     Tot.BandW   #chan #bits  Barrel
 C         56.000 Mbits  28.000 MHz   14   1     NONE
  Chan.BW  #Subpasses  Tracks(*fan)  Tot.tracks  Speed
  2.00 MHz      2         14(*0)        28       135.00
  X-band  spanned bw=   680.0 MHz       rms spanned bw=   252.6 MHz
  S-band  spanned bw=   110.0 MHz       rms spanned bw=    43.7 MHz
  Effective number of channels recorded per sub-pass
         X         S       Total
          8.000     6.000    14.000
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Tape types
 ID  Station   Tape length        Density 
 Ap  ALGOPARK 17400feet (Thin )   56250. (High)
 Ft  FORTLEZA  8700feet (Thick)   33333. (Low )
 Gc  GILCREEK 17400feet (Thin )   56250. (High)
 Kk  KOKEE    17400feet (Thin )   56250. (High)
 Ma  MATERA   17400feet (Thin )   56250. (High)
 Ny  NYALES20 17400feet (Thin )   56250. (High)
 Wz  WETTZELL 17400feet (Thin )   56250. (High)
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SNR Targets
 Minimum SNR by baseline for multi-baseline scans
     X-band (margin   5)     S-band (margin   3)
     Ap  Ft  Gc  Kk  Ma  Ny          Ap  Ft  Gc  Kk  Ma  Ny  
 Ft  20                          Ft  15
 Gc  20  20                      Gc  15  15
 Kk  20  20  20                  Kk  15  15  15
 Ma  20  20  20  20              Ma  15  15  15  15
 Ny  20  20  20  20  20          Ny  15  15  15  15  15
 Wz  20  20  20  20  20  20      Wz  15  15  15  15  15  15