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COMMENT PAGE FOR:
HTML MeshTNC is a tool for turning consumer grade LoRa radios into KISS TNC compatib
colanderman wrote 11 hours 36 min ago:
Nice! I've been looking for such a thing lately. KISSLoraTNC [1] is
another implementation: The radio control interfaces differ though.
HTML [1]: https://github.com/kc1awv/KISSLoRaTNC
anonymousiam wrote 16 hours 51 min ago:
I haven't done any AX.25 (or KISS) for over 30 years. Is it still a
thing, or has the packet radio community moved on to something better?
Back when I began, there were no turn-key solutions, so you often
needed to modify your radio to get something on the air. This was
especially true for 9600 baud FSK setups.
For a while, there was a community of stations creating an
infrastructure similar to the dial-up BBS world, including message
forwarding (UUCP).
There were even a few Internet gateways for a while. (I ran one of the
two that were reachable from my corner of LA.) I imagine they're
everywhere today.
(Getting married and raising children can quash a lot of hobbies.)
iamnothere wrote 10 hours 18 min ago:
Itâs still a thing, although I think VARA is more popular right
now. IMHO the weak signal modes are getting more use because many
newer hobbyists donât have the money or space for high powered
setups.
There are even people building BBS like functionality onto JS8Call.
wolvoleo wrote 11 hours 35 min ago:
Here in Europe there's nothing left except APRS which I find boring
and incongruous with current developments (I try to avoid sharing my
location, not to do it actively). What I miss are the long chats.
What we needed was a faster packet but it stopped at 9600 which is no
longer useful for anything these days.
colanderman wrote 11 hours 48 min ago:
I am just getting into the packet scene in the Boston area.
APRS aside, as far as I've found, there are about a half dozen
Winlink nodes in the area and one BBS. And one lovely node in
Cambridge (KZ2X-1 [1]) which provides connectivity to a bevy of
ancient (though virtualized) OSes.
I don't know how much AMPRnet activity there is. There are only 7
allocations in the area (mine included). I'd love to be able to e.g.
log in to my home network from a few radio hops away but I don't
think there's any infrastructure in place for that (such as Mobile
IP).
HTML [1]: https://kz2x.radio/posts/complex/
BobbyTables2 wrote 14 hours 27 min ago:
I also wonder about the state of packet radio.
When I had time, I had no money for equipment. Now that I have
money and knowledge, no timeâ¦
Creamsicle47 wrote 18 hours 12 min ago:
Been quite a while since I've seen that word use outside of an LLM
context.
politelemon wrote 18 hours 1 min ago:
I haven't encountered this term outside of stable diffusion and could
probably do with a primer of what this is about.
staplung wrote 14 hours 35 min ago:
LoRa is short for Long Range. It's basically about providing a
physical layer for networks over radio using spread spectrum
modulation. It's got long range, even for fairly low-power devices,
but also low bandwidth. Think IoT stuff. LoRaWAN is a layer above
in the network stack (MAC) and runs on top of LoRa.
TNC is "terminal node controller". They're kinda sorta like modems
for radios. KISS TNC is a particular protocol for communication
between a radio and a TNC.
xantronix wrote 18 hours 14 min ago:
Fuck. Yeah. Bud. I have a userland AX.25 stack I wrote as my
pandemic project, and pairing that with MeshTNC will be a dream come
true for me. My stack has a few utilities for bridging KISS interfaces
together, and exposing APRS-IS as a KISS interface itself, so I can
definitely see a lot of cool things coming from this. (If I were
feeling extra spicy, I could bind, say, /bin/login to a specific SSID
and get a shell into my home machine from across town!)
colanderman wrote 12 hours 3 min ago:
Hah! I was literally about to open up my nascent userland AX.25
stack. Is yours open-source, or would you mind sharing? (My e-mail
is in my profile.) I want to get something running on an ESP32-S3.
My goal is to turn a Cardputer into a companion TNC console for my
Kenwood TH-D74.
iberator wrote 17 hours 21 min ago:
ax.25 tcp/ip is doable and Battle-tested :)
why reinvent tre whell?
xantronix wrote 13 hours 27 min ago:
Curious, which part is reinventing the wheel? If you're referring
to the /bin/login hack, imagine instead, it's BBS software. (I had
a lot of fun accessing my home computer from across town with a
Psion 5mx and a Kenwood TH-D7! No practical value, just a good
challenge.) As for the APRS-IS bridge, that would be quite useful
for bridging relevant APRS-IS traffic within a given radius to
LoRA, and vice-versa.
Also, I'm quite aware of IP over AX.25: I generally prefer to avoid
that extra overhead for my intended applications. The stack I
wrote exposes a BSD sockets-like interface to make it easy to make
lots of software able to participate in the AX.25 fun, and even
compiles on PowerPC Macintoshes for what it's worth.
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