Nice idea.
I do have a couple of M12+T, so I could try, but they are not pin or voltge
compatable with the VP so it might require
some surgery. However I do have a couple of UT+ which are and it should be a
drop in replacement. They are pretty much command compatible aswell and may
be able to isolate reflections better than the VP. I suppose it depends on
what the Z3801A tries to do in the way of configuration whether it could
work or not. It shouldn't hurt to give it a try.
----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Thursday, December 03, 2009 2:41 AM
Subject: Re: [time-nuts] z3801a gps signal reflection and EFC woes
Hi guys,
I wonder if anyone has ever replaced the 1PPS output of the oncore with an
external 1PPS from say an M12M receiver.
I would suspect all else being the same that the Z3801A would work much
better, and not have the problems Mike is seeing?
bye,
Said
In a message dated 12/2/2009 04:46:58 Pacific Standard Time,
[email protected] writes:
You can see that the EFC immediately tries to follow the value calculated
during the incident, regardless of any historical data the box is
holding,
if any. I haven't yet checked to see how much the violent swing in EFC
effects the 10MHz output, but I suppose there must be some.
I have tried 2 different VPs , but they appear to be suffering the same
issue. Both have different firmware levels.
Anyone seen this and know of a way of limiting the effect? I have thought
about moving the Z3801A to my south balcony, where I shouldn't see so
many
reflections, or better, to the appartment roof, but that needs permission
from the management.
Mike
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