[chirp_users] 8900 and NFM

Simon Kapadia simon.kapadia at gmail.com
Sun Aug 21 16:23:35 PDT 2011


Awesome, I will try to do this tomorrow morning before we head off on holiday.  Out of interest, is the binary format used by yaesu for the 8900 documented anywhere?  Do you have any reverse engineering notes?

Cheers,

-simon

Sent from my iPhone

On 22 Aug 2011, at 00:07, Dan Smith <dsmith at danplanet.com> wrote:

> Hi Simon,
> 
>> I have an 8900, and I'd like to program the 6m and 2m repeaters in our
>> local area using what Yaesu calls "Narrow FM" - 12.5khz deviation.
>> Unfortunately Chirp only seems to support FM and AM for this rig
>> (checked using the latest build, and confirmed according to the support
>> statement
>> athttp://trac.chirp.danplanet.com/chirp_daily/daily-08202011/Model_Support.html).
>> Is there any way NFM could be added so that we can save repeaters with
>> narrow FM set?
> 
> Sure, with a little help from you:
> 
> 1. Go to VFO mode
> 2. Set a frequency of, say, 146.0
> 3. Set deviation to wide
> 4. Store to memory 1
> 5. Change deviation to narrow
> 6. Store to memory 2
> 7. Download an image
> 8. Send the image to me
> 
> The channels don't have to be 1 and 2, but if they're not, tell me which 
> ones they are so I know. I'll hopefully determine which bit is the 
> narrow flag and add it to the code. It's important to make no changes 
> other than toggling the wide/narrow flag between steps 4 and 6, 
> otherwise it can be a lot harder to find the right bit.
> 
> Thanks!
> 
> -- 
> Dan Smith
> www.danplanet.com
> KK7DS
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