[time-nuts] 5061A Beam Current went high
Brian, WA1ZMS
wa1zms at att.net
Mon Aug 22 15:14:14 EDT 2016
I know this sounds "insane", but could the unit have been on the wrong Cs peak for some time now?
-Brian, WA1ZMS
iPhone
> On Aug 22, 2016, at 3:02 PM, Pete Lancashire <pete at petelancashire.com> wrote:
>
> I fired up my old 5061A about 3-4 times a year to keep the tube pumped
> down. I usually run it for 1 to 2 hours to keep it pumped down.
>
>
> This time was different,
>
>
> My GPSs have been off the air from getting a new roof and not being in any
> rush to get the antennas back up, etc.
>
>
> So ... I wanted to calibrate a couple devices for a friend and fired up the
> 5061A, got it locked "Green Light" and gave him a call.
>
>
> Up until now, beam current for me has been about 8-10 when peaked. The
> number recorded on the door is 19.
>
>
> He got delayed, and showed up about 8 hours later. We went to the lab, and
> the green light was still on, BUT the beam current was around 30.
> Everything else was where it was normally which is pretty much was was
> recorded on the door long ago.
>
>
> Any ideas of what I should look for first, before starting from the power
> supplies and checking everything ?
>
>
> -pete
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