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A suggested path:
- Get a Raspberry Pi (3+ or newer, plenty of
power overhead with wifi), [purchase #1]
- install the IRLP node code (which keeps your
Echolink station together; but differently AND adds IRLP);
- Interface the radio to the Pi [IRLP card ~$100,
purchase #2, make SURE you get the Pi version];
- Use your chosen wx software to take in the USB
wx data [interface purchase #3] from the Davis; push it to the
net and the node to;
- add toys (spoken current weather on demand) for
you and/or your users and push to CWOP/APRS.
So for a few hundred at most (depending on what
you have); easier access and control, new features and the
ability to use the data in any way you wish.
I also provide ARRL Audio News and Amateur Radio
Newsline on my node; weather alerts (warnings, watches and
events) and more (once it's built, it's ALL about the
Gotta have toys and it sure helps the winter go
Happy Solstice day (shorted day of the year in the
On 12/21/2022 11:59 AM, Danny K5CG
"I don't see the need to put the radio in
Echolink Sysop mode."
Whether you build a GPIO circuit
for the Data input's PTT pin or use a USB Serial port and
Echolink Sysop for RTS, is simply a matter of preference.
direwolf supports either on a Pi.
I don't see the need to have to
I don't see the need to put
the radio in Echolink Sysop mode. I have run several
different external TNCs on my TM-V71A and only the data band
keys while leaving the other side of the radio to do voice
communication. That's the handy thing about these radios,
they can run packet and voice at (mostly) the same time.
I've setup a Raspberry Pi Zero as a fill-in digipeater with a
handheld using the soundcard/Direwolf method. It works
great. I used a cheap Sabrent sound card and one of the Pi
GPIO pins for the PTT since Direwolf allows keying via GPIO.
There's no reason you can't build a similar setup with the
Kenwood by making your own DIN cable to plug into the back of
the radio. Then if you can figure out how to get your weather
data into a text file Direwolf will understand, you're set.
$10 Pi computer, $10 cable.