[time-nuts] Difference between Oncore models

Chris Albertson albertson.chris at gmail.com
Wed Mar 16 12:04:05 EDT 2016


Could just be that the older Encore requires a hotter signal.  Try
without the 4-port splitter, those do introduce some attenuation.
But then if you have an amplifier that's not it.

On Wed, Mar 16, 2016 at 4:03 AM, Joseph Gray <jgray at zianet.com> wrote:
> I understand that the Oncore GPS in the Lucent units is a newer module
> that tracks eight satellites, vs the older Oncore in the Z3801A that
> only tracks six satellites.
>
> I decided to do a re-survey with my Z3801A that has been in holdover
> for some time, just as a test. Watching the status screens from both
> GPSDOs, both are seeing the same number of satellites, however, the
> Z3801A is consistently locking to 3-4 fewer than the Lucent.
>
> This begs the question, is the older Oncore module that deaf, or is
> mine defective. BTW, same antenna on a 4-port splitter, same elevation
> mask.
>
> Joe Gray
> W5JG
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-- 

Chris Albertson
Redondo Beach, California


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