[GPS_Standard] GPS_Standard Digest, Vol 50, Issue 1

[Arie Dogterom]

For changing from 10 MHz to 16 MHz you only have to xchange in the source 
assembler code the 4 last hex digits
73
Arie

----- Original Message ----- 
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To: <gps_standard at mailman.qth.net>
Sent: Monday, November 26, 2012 6:00 PM
Subject: GPS_Standard Digest, Vol 50, Issue 1


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> Today's Topics:
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>   1. GPS Standard with 26MHz VCTCXO (Przemek Iwanek)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 10 Oct 2012 14:42:49 +0100 (BST)
> From: Przemek Iwanek <przemyslawuk at yahoo.co.uk>
> To: "gps_standard at mailman.qth.net" <gps_standard at mailman.qth.net>
> Subject: [GPS_Standard] GPS Standard with 26MHz VCTCXO
> Message-ID:
> <1349876569.11502.YahooMailNeo at web171503.mail.ir2.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
>
> Hi, I need a chip but stable 26MHz reference, so? I plan to use VE2ZAZ 
> circuit with? a 26MHz VCTCXO (7x5mm module).
> I noticed that if I feed 26MHz to thePIC, the 16bit counter will overflow. 
> I don't want to use any dividers between the VCTCXO and the PIC.
> So my idea was to change the 16sec period to 8sec and modify the 16bit 
> counter value accordingly.
>
> Is it enough that I change the following line to " MOVLW .4 " ??? ?
>
> ??????? MOVLW .8??????????????????????????????????? ;Is 2-second timer 
> counter at 8 (16 seconds elapsed)?
>
> Will the Montrol software function properly with this change in PIC 
> firmware, will it show correct values of stability etc...?
>
> Przemek
>
>
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> End of GPS_Standard Digest, Vol 50, Issue 1
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