If the device is switched into APRS mode do I understand correctly that the
the "voluminous" telemetry data is no longer available for real time monitoring?
That said, I suspect all the flight data is stored on the device for download
after recovery anyways?
I believe that real time monitoring and recording of data is really only
necessary
if one thinks their project will be lost or go up in an airborne
conflagaration.
APRS can't handle high data rates but if one expects to find and recover the
rocket
anyways, the loss of high rate monitoring shouldn't be that big of a deal. It
can be
downloaded later.
One can't beat a solution comparable to a D72,VX-8GR or FT1DR plugged into a
compatible
handheld mapping GPS for navigating to the rocket. Very portable and
recommended. I hope Garmin doesn't stop making at least one GPS with a serial
plug NMEA capable input/output. The simple Legend, 60Cs,CsX and 76Cs all went
out of production. The only current Garmin GPS with the serial port is the 78
series. A 78 is running about $180 to $200 which isn't too bad.
Kurt
--------------------------------------------
On Sat, 2/15/14, Keith Packard <[email protected]> wrote:
Subject: Re: [altusmetrum] Altus Metrum announces TeleMetrum v2, Starter Packs
and more TeleMega stock
To: "Peter Hackett" <[email protected]>, "Altus Metrum"
<[email protected]>
Date: Saturday, February 15, 2014, 12:40 AM
Peter Hackett <[email protected]>
writes:
> RE ... with APRS support.
>
> ♫ AWE-some ♫ *
Thanks! I've had an enormous amount of fun coding that up
and figuring
out how to make it as useful as possible. The APRS stuff
reports
lat/lon/alt and then sticks satellite stats and voltages in
the
'comment' field so you actually get lots of status info from
the rocket
on the rail.
Regular Altus Metrum telemetry will always offer more data
as it has 16
times more bandwidth, and longer range as it uses a more
sensible
modulation scheme and forward error correction, but the
convenience of
APRS in your pocket makes it pretty cool.
-keith
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