[evlatests] Ant-02
Rob Long
rlong at nrao.edu
Mon Dec 3 15:38:06 EST 2012
Thank you Donna!
Rob
Donna Field wrote:
> Vivek,
>
> The jumper is now installed on the 128Mhz Ref line to the L302-4 in
> Antenna 2 as requested.
>
>
> Donna
>
>
> Vivek Dhawan wrote:
>> The fix needed to be - and still needs to be - done on L302-4.
>>
>> The 'fix' to L302-3 does not seem to have hurt it. But I am Not
>> sure whether to unfix it or leave it as it is now.
>>
>> Vivek.
>>
>>
>> On Mon, December 3, 2012 08:19, Ken Sowinski wrote:
>> | On Thu, 29 Nov 2012, Jerry Langevin wrote:
>> |
>> |>
>> |>
>> |> Today we installed a RF jumper in the 128Mhz reference line of Ant-02 L302-3
>> |> to stop the phase jumping, requested by Rob Long.
>> |
>> | I don't remember the original report, but there is still a report
>> | over the weekend of phase jumps at scan boundaries on ea02-B2D2 which
>> | correpsonds to the L302-4. Either the wrong cable was tweaked or
>> | there were two problems.
>> |
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>>
>>
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