Observation code : V090a2  
  Source name      : 3C309.1  
  Observation type : Continuum  
  Frequencies      : 1634.00  1650.00 
  Correlator       : Socorro    
  UTC range        : 160:20:00 to 161:10:00  
  Start date       : Tue,1998-Jun-09  
  Length (hrs)     : 14.00  
  No. of GRTs      : 12  
  Note             : Usuda used (not Kashima), but pointing wrong. 
  Note2            : Onsala did not observe due to hardware problem & high winds.
 
 Scheduled duration of data recording at each Ground Radio Telescope. 
 (Note: there is one line per GRT per tape (or tape set). 
 There may be gaps during which no data is recorded) 
 
        SH : 1998:160:20:00:00 to 1998:161:10:00:00   (VLBA) 
        TR : 1998:160:20:00:00 to 1998:161:10:00:00   (VLBA) 
        NT : 1998:160:20:00:00 to 1998:161:10:00:00   (VLBA) 
        ON : 1998:160:20:00:00 to 1998:161:10:00:00   (MkIV)   Did not observe 
        MC : 1998:160:20:00:00 to 1998:161:10:00:00   (MkIV)   
        EB : 1998:160:20:00:00 to 1998:161:10:00:00   (VLBA) 
        WB : 1998:160:20:00:00 to 1998:161:03:10:20   (MkIV)   
        JB : 1998:160:20:00:00 to 1998:161:10:00:00   (VLBA) 
        RO : 1998:160:20:00:00 to 1998:161:05:24:40   (MkIV)   
        GO : 1998:160:20:00:00 to 1998:161:07:19:20   (MkIV)   
        GB : 1998:160:20:22:40 to 1998:161:10:00:00   (VLBA) 
        UD : 1998:161:00:00:00 to 1998:161:07:00:00   (VLBA)   No data. 
 
 Scheduled duration of data recording at each Tracking Station 
 
        GZ : 1998:160:19:55:00 to 1998:160:20:54:02   (VLBA) 
        UZ : 1998:161:00:00:26 to 1998:161:00:32:00   (VLBA)   status?
        RZ : 1998:161:00:36:26 to 1998:161:01:27:29   (VLBA) 
        UZ : 1998:161:01:32:01 to 1998:161:03:15:33   (VLBA)   status?
        RZ : 1998:161:04:57:17 to 1998:161:09:25:37   (VLBA) 
 

Nominal, as-scheduled, (u,v) coverage for this observation

 Apogee and perigee passes 
 
             1998:160:21:08:00      PERIGEE
             1998:161:00:18:00       APOGEE
             1998:161:03:28:00      PERIGEE
             1998:161:06:37:00       APOGEE
             1998:161:09:47:00      PERIGEE



Correlator release date : 09-jul-1998
This page last modified : 18-apr-2006
Look for observation and calibration files on the VLBA web site
here (http://www.vlba.nrao.edu/astro/VOBS/astronomy/jun98/v090a2).
Also check for the correlator release letter to the PI,
which may be archived in the sniffer directory with a name like
this (http://www.vlba.nrao.edu/astro/VOBS/astronomy/jun98/v090a2/sniffer/V090A2.980609.sniff.gz.

Explanation of telescope and tracking station codes
Explanation of VSOP observation codes

Please e-mail any corrections to   w w w a d m @ vsop . isas . jaxa . jp  .