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Re: UO-14 Telemetry




Bob, 

The idea is interesting, but what pratical use would be achieved by
relaying the spacecraft's telemetry to APRS mobile terminals?

-- Edson, N1VTN

On Sat, 26 Feb 2000, Bob Bruninga wrote:

> On Fri, 25 Feb 2000, Chris Jackson wrote:
> 
> >... I intend to modify the operations plan some time soon to include a
> > short telemetry burst on the downlink every 5 minutes or so.
> 
> If you would consider putting the burst into one of the APRS formats, then
> it could be captured and displayed on all the thousands of Kenwood HT's
> and Mobile radios directly.  EIther of these woiuld work:
> 
> TELEMETRY:  header:T#sss,111,222,333,444,555,10101010
> STATUS:     header:>anything you want to put here (20 characters max)
> BULLETIN:   header::BLN1UO-14:Any number of lines here, each with its
>             header::BLN2UO-14:own unique BLN#
>             header::BLN3UO-14:which is the 4th byte in the BULLETIN addr
> 
> The telemetry packet is a "T#" followed by a 000 to 999 serial number and
> then five 3-digit decimal analog values followed by a string of 8 on/off
> status bits.  In this case, you can only send the 5 most important
> telemetry values, but you can still send more detial in a non-aprs
> formatted packet if needed.  But just this one gives a viewable summary
> for anyone with an APRS HT or Mobile...
> 
> The STATUS can only be one-per-callsign.  But you could use up to all 15
> UO14-N SIID's
> 
> de WB4APR, Bob
> 
> 

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