[aprssig] APRN (Automatic Picture Relay Network) revival?

Robert Bruninga bruninga at usna.edu
Sat Aug 8 23:38:18 EDT 2015

Do any band plans have an SSTV channel on 2m or UHF?

On Sat, Aug 8, 2015 at 10:41 PM, Stephen H. Smith <wa8lmf2 at aol.com> wrote:

> On 8/8/2015 3:06 PM, Robert Bruninga via aprssig wrote:
>> Stephen,
>> Thanks.  I think you answered most of what I was after.  That is, there
>> are
>> presently no tiny cameras with direct to digital transmission over RF,
>> but you
>> did remind me that the existing APRN concepts are probably still valid.
>> That is, the transmission from the mobile robot camera may be SSTV
>> (Greatest
>> availabililty of cameras) , but as soon as it is received, then it is
>> converted
>> to a file and networked onward as needed in digital form.
> I think Scott's analog SSTV cam board would be the perfect fit for this.
>  Wire it's FM-audio out to an FM transmitter and you are good to go. It's
> been flown on numerous balloons already.  The thing is about the size of a
> naked-board security cam.
> The real issue would be what band and frequency to listen on.  I have had
> my APRN SSTV + APRS auto-receive operating on 446.0 in central Michigan
> (Lansing-East Lansing area) for the last three years, since I moved from
> SoCal.
> [The so-called national calling freq is so dead in central MI (or anywhere
> outside the south-eastern Detroit/Ann Arbor area) that I hear an average of
> one call every three or four weeks here.    I intentionally placed my
> Echolink node and the APRN gateway on 446.0 to try to scare up a little
> activity]
> __________________________________________________________________
> --
> Stephen H. Smith    wa8lmf (at) aol.com
> Skype:        WA8LMF
> EchoLink:  Node #  14400  [Think bottom of the 2-meter band]
> Home Page:          http://wa8lmf.net
> Live Off-The-Air APRS Activity Maps
>    <http://wa8lmf.net/map>
> Long-Range APRS on 30 Meters HF
>    <http://wa8lmf.net/aprs/HF_APRS_Notes.htm>
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