Not sure of the nomenclature for the GPS receiver but judging from the size of 
the board, etc., it seems to be a Motorola.  I know that it is 6 channel and 
apparently uses the Motorola data stream.

Fred Bray

> On Jun 22, 2021, at 6:08 AM, Alexandre Souza <[email protected]> 
> wrote:
> 
> Which one is the original receiver on the Z8301A? I wasn't able to quickly
> google this info :\
> 
> ---8<---Corte aqui---8<---
> http://www.tabajara-labs.blogspot.com
> http://www.tabalabs.com.br
> ---8<---Corte aqui---8<---
> 
> 
>> Em seg., 21 de jun. de 2021 às 23:21, Frederick Bray <[email protected]>
>> escreveu:
>> 
>> I have a HP Z3801A with a dead GPS receiver.  I understand that it is
>> possible to drop in an Oncore VP 8 channel receiver as a replacement --
>> not withstanding the fact that the Z3801A will only see six channels.
>> 
>> I see that Motorola R5122U1154 8 channel receivers are available.  Does
>> anyone know whether this will function in the Z3801A?  I'd like to get
>> it working again.
>> 
>> Thanks.
>> 
>> Fred Bray, KE6CD
>> 
>> 
>> 
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