It's stored in the radio's serial EEPROM. You could also probably tap
into the channel select DIP switch and change frequencies that way. I
wouldn't worry too much about writing to it twice a minute for a few hours.
With the MX146 transmitter, the OT1+ firmware has a configuration panel
for frequency selection. I used that recently on my own balloon payload
to alternate between 144.39 and 144.99.
Scott
Jason KG4WSV wrote:
>
>
> Where are the frequency settings for the T2-301 stored? I know
> they're in flash somewhere, just wondering if they are on the T2 board
> or on the FC301.
>
> My reason for asking is that I had an idea of a balloon tracker that
> beacons once a minute on 144.39, but more aggressively on an alternate
> frequency. This would mean a freq setting change twice a minute,
> which could run through flash write cycle lifetime pretty quick. Just
> wondering if I would be killing the T2 microcontroller, or something
> on the FC301.
>
> -Jason
> kg4wsv
>
>
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