[evlatests] [Vlite-external] Antenna ea1=V5 problems

Tracy Clarke (Foreign National) tracy.clarke.ca at nrl.navy.mil
Wed Aug 20 12:27:55 EDT 2014


OK, thanks. The most recent data I have from the VLITE system was taken at just before 5 am MDT today (8/20) and at that 
point ea1 was still not correlating with the others. 

Cheers,

Tracy


Tracy Clarke 
------------------------------------------------
Research Astronomer
Remote Sensing Division
Naval Research Laboratory
4555 Overlook Ave SW
Washington, DC 20375
tracy.clarke.ca at nrl.navy.mil
(tel) 202-404-4297
(fax) 202-404-8894
------------------------------------------------



On Aug 20, 2014, at 9:42 AM, jjackson <jjackson at nrao.edu> wrote:

> Looks like Mike and I answered at the same time.  The L305 install was the work that was done on the antenna yesterday.  Mike will get it sorted out (if it isn't already).
> 
> Cheers,
> Jim
> 
> On 8/20/2014 9:37 AM, jjackson wrote:
>> Antenna 1 got an updated L305 installed yesterday so it now has the 20Hz
>> timing instead of 19.2 Hz. It also had its clock & timing interrupted
>> during that change.
>> 
>> It's likely the VLITE module needs to be restarted. The tech's know to
>> restart the Synthesizers & DTS modules but probably did not do anything
>> to the VLITE module.
>> 
>> Cheers,
>> Jim
>> 
>> 
>> On 8/19/2014 10:16 PM, Tracy Clarke (Foreign National) wrote:
>>> Hi All,
>>> 
>>> I have seen that antenna ea1=V5 is not correlating at the moment
>>> (21:00 MDT). This happened sometime recently. Looking at the data it
>>> was OK
>>> on 08/19 at 02:10 UTC and not correlating at 22:00 UTC 08/19 onward. I
>>> have not looked exactly when it stopped but since it is a double
>>> maintenance day
>>> I wonder if it is left in an odd state?
>>> 
>>> Cheers,
>>> 
>>> Tracy
>>> 
>>> Tracy Clarke
>>> ------------------------------------------------
>>> Research Astronomer
>>> Remote Sensing Division
>>> Naval Research Laboratory
>>> 4555 Overlook Ave SW
>>> Washington, DC 20375
>>> tracy.clarke.ca at nrl.navy.mil
>>> (tel) 202-404-4297
>>> (fax) 202-404-8894
>>> ------------------------------------------------
>>> 
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> Vlite-external mailing list
>>> Vlite-external at listmgr.nrao.edu
>>> https://listmgr.nrao.edu/mailman/listinfo/vlite-external
>>> 
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