[App_rpt-users] Thru Hole Voter Board Firmware Update Procedure

Jeff Carrier k0jsc.jeff at gmail.com
Tue Dec 1 23:50:59 EST 2015


I've had pretty good success with the BG7TBL Sine wave GPSDO and they're
not too expensive.  You'll need a transmitter that's capable of and
external frequency reference.  MTR2000, MTR3000, Quantar, Mastr III have
this input.  Maybe others also.

de K0JSC

On Tue, Dec 1, 2015 at 9:27 PM, Monty <monty at ke7jvx.com> wrote:

> Jim,
>
> I was able to load the new firmware and it does work a lot better!  But
> you are right, we are having a intermittent heterodyne in the overlapping
> areas of coverage.  How would someone modify the voter board and GPSDO to
> do so?
>
>
> Monty
>
> On Tue, Dec 1, 2015 at 4:39 PM, Jim Duuuude <telesistant at hotmail.com>
> wrote:
>
>> Yes, I think it is MORE then safe to say that the newer firmware will
>> work a WHOLE lot
>> better for simulcast. It would also be helpful to modify the board to
>> provide external
>> GPSDO-synchronized CPU clocking (unless you want to play the "fun" game
>> of "gee, where's
>> the overlap grunge zone this week?").
>>
>> If your firmware is THAT old, you will probably also see serious
>> performance enhancements
>> on properly representing the S/N ratio of weak signals.
>>
>> Jim
>>
>> ------------------------------
>> From: monty at ke7jvx.com
>> Date: Tue, 1 Dec 2015 14:48:30 -0700
>> To: app_rpt-users at ohnosec.org
>> CC: ke7jvx at gmail.com
>> Subject: [App_rpt-users] Thru Hole Voter Board Firmware Update Procedure
>>
>>
>> Hello All,
>>
>> I have three thru hole voter boards with firmware from 2012, l am
>> wondering if anyone has a procedure on how to update the firmware?
>>
>> Also, I see in the svn there is a Simulcast portion, and I do have two of
>> them setup as a simulcast, is there something different with the firmware
>> for simulcast operation?
>>
>>
>> Monty
>>
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>
>
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