Hi guys,
The hex file is quite outdated. In 2009 I contacted Brook Shera in
order to get the source code as I wanted to build this controller and
wanted to change the PIC to use a Flash one and add some improvements.
His response was that he already had changed the microcontroler for a
more modern unit, a PIC 16F876A, and included a lot of improvements. He
also informed me that he was not releasing the hex or source code
anymore but he could sell me programmed PICs with the last version and
some other components like the AD1861 at least while his supply last.
He also supplied me the critical 74HC4046's and even the 24 MHz xtal
oscillator.
I also ordered a board from A&A Engineering and now I have to find the
time to build it.
So I recommend you contact with Mr Shera for the last versions of this
software. His email has changed since the mentioned QST article and in
2009 was: ebs(AT)mailaps.org
Best regards,
Ignacio, EB4APL
On 28/08/2012 7:30, WB6BNQ wrote:
Hi Ron,
My apologies, I got to typing and forgot to append the URL line; which is:
http://www.rt66.com/~shera/index_fs.htm
Sorry about that ! If you haven't already it is worth reading the original QST
article which he has a link to at the bottom of the page.
Bill....WB6BNQ
Ron Ward wrote:
Hi Bill:
I don't see the address for Shera's web page!
Thanks,
Ron
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of WB6BNQ
Sent: Monday, August 27, 2012 3:16 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Shera PIC Firmware file
Ron,
Here is Mr. Shera's actual web page on the topic. At the bottom you will
find
the HEX file file for the firmware.
Don't ask as there is no published assembly listing of the firmware. Mr.
Shera
does not feel like releasing it to the general public at this time.
Also, on that page is a link to the original article he wrote on the
project. So
it is a good page to bookmark.
Bill....WB6BNQ
Ron Ward wrote:
Hi again all:
Does anyone know where I can get a copy of Shera's PIC firmware for his
GPS-Based Frequency Standard?
Also, what enhancements are available for the latest firmware?
Thanks again,
Ron
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