[evlatests] Frequency Tuning at L-band

Ed Fomalont efomalon at nrao.edu
Wed Oct 7 11:46:01 EDT 2009


Hi Barry,

    My mystery frequency offset to explain the position displacement of 
sources from their phase center was

   374 +/- 10 kHz.     This is pretty darn close to 2 x 188 KHz.   Has 
someone put in this offset in the wrong direction, somewhere someplace?
>>     With this, I find that all the standard interferors are located 
>> exactly 188 kHz too high (that is, 1.5 channels). 
>>
>>     
Ed




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