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lbaops:rtfcrunning [2015/12/18 16:39]
127.0.0.1 external edit
lbaops:rtfcrunning [2019/09/08 13:48] (current)
chrisphillips
Line 5: Line 5:
 Check which observatories are connected: Check which observatories are connected:
  
-->''​> obs''​+  ​> obs
  
 Disable Parkes because it is not tracking yet, and Ceduna as we will do it later once we know we have fringes to other telescopes: Disable Parkes because it is not tracking yet, and Ceduna as we will do it later once we know we have fringes to other telescopes:
  
-->''​> disable Cd''​ +  ​> disable Cd 
-->''​> disable Pa''​+  > disable Pa
  
 Check the integration time we are using then set to a sensible value: Check the integration time we are using then set to a sensible value:
  
-->''​> int''​ +  ​> int 
-->''​> int 0.5''​+  > int 0.5
  
 Check the clock offsets are similar to those reported by the observatories - not that the values reported by Hobart and Ceduna are the opposite sign of what DiFX uses: Check the clock offsets are similar to those reported by the observatories - not that the values reported by Hobart and Ceduna are the opposite sign of what DiFX uses:
  
-->''​> off''​+  ​> off
  
  
 Set the number of frequency points to create (note incorrect term) Set the number of frequency points to create (note incorrect term)
  
-->''​> nchan 1024''​+  ​> nchan 1024
  
 Start a fringe check running for the specified UT time Start a fringe check running for the specified UT time
  
-->''​> grab 03:45:34''​+  ​> grab 03:45:34
  
 The data will be copied to pam0, the data passed to DIFX and the result plotted using pgplot and put on the web at http://​www.evlbi.atnf.csiro.au/​RtFC (pkpam, if at Parkes). The data will be copied to pam0, the data passed to DIFX and the result plotted using pgplot and put on the web at http://​www.evlbi.atnf.csiro.au/​RtFC (pkpam, if at Parkes).
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 There is a bit of a delay offset to Mopra. Correct for this and recorrelate the data to ATCA only There is a bit of a delay offset to Mopra. Correct for this and recorrelate the data to ATCA only
  
-->''​> offset Mp 3.4''​ +  ​> offset Mp 3.4 
-->''​> obs''​ +  > obs 
-->''​> disable Pa Ho Cd''​ +  > disable Pa Ho Cd 
-->''​> recorr 03:34:34''​+  > recorr 03:34:34
  
 This will use the data already on disk and recalculate the correlation using a different clock offset. Once you have the good clock offsets, its is worth adding them to your "​config"​ file. This will use the data already on disk and recalculate the correlation using a different clock offset. Once you have the good clock offsets, its is worth adding them to your "​config"​ file.
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 Get some Ceduna data now. To save time, change the integration time to 250 msec.  Get some Ceduna data now. To save time, change the integration time to 250 msec. 
  
-->''​> obs''​ +  ​> obs 
-->''​> enable Cd''​ +  > enable Cd 
-->''​> disable Pa At Mp Ho''​ +  > disable Pa At Mp Ho 
-->''​> int 0.25''​ +  > int 0.25 
-->''​> grab 03:34:35''​+  > grab 03:34:35
  
 Set the integration time etc back, and recorr to actually get friges to Ceduna. Set the integration time etc back, and recorr to actually get friges to Ceduna.
  
-->''​> int 0.5''​ +  ​> int 0.5 
-->''​> disable Pa At Mp Ho''​ +  > disable Pa At Mp Ho 
-->''​> recorr 03:34:35''​ +  > recorr 03:34:35 
-->''​> disable Cd''​+  > disable Cd
  
 If you get impatient due to a slow download, you can "​recorr"​ before the data has arrived. The correlator will correlate up to the length of the end of the smallest data file. If you get impatient due to a slow download, you can "​recorr"​ before the data has arrived. The correlator will correlate up to the length of the end of the smallest data file.
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 If a station has a suspected 1 second (or more) offset the "​offset"​ command is not suitable. Use secoffset. ​ You have to "​regrab"​ the data after changing secoffset If a station has a suspected 1 second (or more) offset the "​offset"​ command is not suitable. Use secoffset. ​ You have to "​regrab"​ the data after changing secoffset
  
-->''​> secoffset Mp 1''​ +  ​> secoffset Mp 1 
-->''​> grab 03:35:99''​+  > grab 03:35:99
  
  
  
  
lbaops/rtfcrunning.txt · Last modified: 2019/09/08 13:48 by chrisphillips