[aprssig] HF APRS Transceiver

[Eric H Christensen]

Duffy,
That's what I was afraid of.  Still looking for the silver bullet out there to make HF APRS practical (read that as cheap).

Eric



On Fri, Mar 07, 2008 at 03:20:04PM -0500, Amateur Radio WB8NUT wrote:
> Eric,
>
> The MFJ Cub transceivers are CW only. You would need a transceiver capable 
> of sideband phone transmissions. Then you need it to be stable on 
> frequency. It would be impractical to make that little CW transceiver into 
> a phone transceiver it not impossible. Even if you could do it, the darn 
> thing drifts too much to be of any use with APRS. You need a real ground up 
> phone transmitter that is VERY stable.
>
> Duffy
> www.wb8nut.com
>
> Eric H Christensen wrote:
>> I've been trying to find the answer to this question for a few days but you can't find good electronics answers anymore.  I'm hoping that there will be someone on here that has more/better electronics experience than I.
>>
>> MFJ makes a "cheap" CW-only HF transceiver that is for single bands but does allow a small amount of tuning within that band.  What extra circuitry is needed to connect something like an OpenTracker+ to this type of transmitter so it will transmit 300 baud packet?
>>
>> 73,
>> Eric W4OTN
>>
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>>   
>
>
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