NOAA Weather Radio
Mike O'Dell
mo at ccr.org
Wed Jan 28 10:34:23 CST 2015
i'm pondering the easiest, cheapest, and smallest way
to receive NOAA Weather Radio and get it into UDP packets.
the canonical picture is:
off-the-shelf-NWR -> audio cable -> sound card on PC
but I want to make it very small, very cheap, and completely
turnkey, as in:
take brick out of box
pull out whip antenna
install wall-wart PS
insert DC connector
joy
Posit using a Raspberry B+ as the computes.
I know how to do the inevitable user config pretty painlessly
via a web browser. That's messy but not hard. biggest
questions are configuring wifi or wired ethernet, and
picking which of possibly several NWR channels is "the one".
looking at the RSSI, the "local" NWR is probably the strongest.
or just send the audio out the web page and let the UI change
the channel. seems awfully brute force.
does anyone know of a componentized NWR module? i've looked
some but not found anything.
i've thought about doing it SDR with one of the USB TV tuner
dongles, but that's problematic for several reasons.
(1) it's not selective so local overloading is likely
to be a problem and (2) form factor is really crap.
ideas appreciated.
Whassiz for?
There are many more NWR channels out there than are currently
available on the web. NWS did have a bunch more of them online
but that seems to have gotten the budget axe. the way they are
done now is by the first picture up above. i'd like to
make a small box that could be lobbed out of a passing car
at someone who just has to take it in, plug in the wall-wart
and then forget about it. this would make it easy to get all
those stations available over the web.
-mo
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