[evlatests] API

Chuck Kutz ckutz at nrao.edu
Fri Jul 2 17:29:43 EDT 2010


Chuck Kutz wrote:
> All,
>
> I now know why the API is not working.
> I just got off of the phone with the AMC-4 ground station technician, 
> AMC-4 has been taken out of service and has been removed from it's 
> orbital slot.
> They have moved another satellite, SES-1, into it's slot at 101W. We 
> will have to re-tune the API from 11.702 GHz to 11.701 GHz. (it could 
> have been much worse)
>
> I am going out to assist Dan Mertely tomorro morning in the retuning 
> activity. I'll let everyone know one way or another as to our success.
>
> Chuck
>
> P.S. AMC-4 was launched in 1999 with a projected 25 year life span. The 
> satellite started developing power problems, so they had to transfer 
> services by the end of July.
> Looks like they are ahead of schedule.
>
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>   

Set up a signal generator to replace the primary VCO which had limited 
tuning range.
Adjusted levels into the MIB.

The API appears to be working.
Please monitor this weekend.


Dan & Chuck




 




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