Session Notes for session: r4025
Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil)
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Parameter values for experiment R4025   
Experiment description: NEOSA
Scheduler: tbd          Correlator: TBD
Nominal start: 2002-171-18:30:00     Nominal end: 2002-172-19:00:00
 Current yyyyddd:    2002171 (2002.47)  ( 12446 MJD, THUR 20JUN.)
 Greenwich sidereal time:   12:25:10.92 (18:30: 0 UT)
 Sun's RA and DEC:    5h 56.8m    23d 26.2
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The following sources were included for research purposes:
0319+121, 1204+124, 1725+123, 2106+143
MA was used to replace SH.
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First observations
Observation listing from file ./r4025.skd  for experiment R4025   
Source      Start      DURATIONS               
name     yyddd-hhmmss  Ap  Ft  Kk  Ma  Ny  Wz 
1357+769 02171-183000|         113 113  98  98|
0552+398 02171-183000|  98  98                |
1749+096 02171-183416|              98  98  98|
0319+121 02171-183643|  98      98            |
1334-127 02171-183730|      98      98      98|
End of listing.
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Last observations
Observation listing from file ./r4025.skd  for experiment R4025   
Source      Start      DURATIONS               
name     yyddd-hhmmss  Ap  Ft  Kk  Ma  Ny  Wz 
1334-127 02172-182624|      98      98      98|
End of listing.
Observation listing from file ./r4025.skd  for experiment R4025   
Source      Start      DURATIONS               
name     yyddd-hhmmss  Ap  Ft  Kk  Ma  Ny  Wz 
0201+113 02172-181751|  98      98            |
1611+343 02172-181804|              98  98  98|
0458-020 02172-182150| 133     133            |
1726+455 02172-182205|             140  98 140|
2201+315 02172-182556|          98      98    |
1334-127 02172-182624|      98      98      98|
End of listing.
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   SKED Summary from file ./r4025.skd for experiment R4025   

      (all scans with at least one subnet station)


 Average number of obs. per baseline per source (normalized by up-time) =   3.9
 Min =    .0   Max =   23.2 (Baseline Ny-Wz on 0458-020)   RMS =   5.2

 Total time:       1438 minutes ( 24.0 hours).

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

                  Ap  Ft  Kk  Ma  Ny  Wz  Avg
 % obs. time:     27  23  33  46  28  47  34 
 % cal. time:      2   1   2   2   2   2   2 
 % slew time:     49  20   9  18  17   8  20 
 % idle time:     20  54  55  32  50  41  42 
 # of tapes :    1.5 1.3  .5  .7  .4  .7
 total # scans:  201 116 174 195 254 214 192 
 # scans/hour :    8   4   7   8  10   8  8.0
 Avg scan (sec): 119 174 164 205  98 191 158 
 tape change times (hhmm):
               1036 1136 0000 0000 0000 0000 
                                                                                                                              
      # OF OBSERVATIONS BY BASELINE

   | Ap  Ft  Kk  Ma  Ny  Wz   StnTotal 
 --------------------------------------
 Ap|201  87 123  75 141  91      517 
 Ft|    116  34  81  67  85      354 
 Kk|        174  38 133  54      382 
 Ma|            195 146 195      535 
 Ny|                254 165      652 
 Wz|                    214      590 


 Number of  2-station scans:  111
 Number of  3-station scans:  127
 Number of  4-station scans:   53
 Number of  5-station scans:   57
 Number of  6-station scans:    9

 Total # of scans, observations:   357    1515

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Recording mode
  Name  Code 
NEOS-WB  NW
Recording mode setup for:
   ALGOPARK 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
Recording mode setup for:
   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
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Tape types
 ID  Station   Tape length        Density 
 Ap  ALGOPARK  8700feet (Thick)   33333. (Low )
 Ft  FORTLEZA  8700feet (Thick)   33333. (Low )
 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  Kk  Ma  Ny          Ap  Ft  Kk  Ma  Ny  
 Ft  20                      Ft  15
 Kk  20  20                  Kk  15  15
 Ma  20  20  20              Ma  15  15  15
 Ny   0   0   0   0          Ny   0   0   0   0
 Wz  20  20  20  20   0      Wz  15  15  15  15   0