[aprssig] Multi control station situational awareness - How's this supposed to work?
wa7skg
wa7skg at wa7skg.com
Mon Mar 30 22:59:33 EDT 2020
Old and slow? "news gateway over a leased-line Internet connection at a
screaming 19.2 kilobaud. Yes, _that_ slow." You don't know what slow is.
Most of the BBS I dialed in to were 300 baud. When I got my first
Internet account in 1986, it was on a 1200 baud dialup. Now *THAT* is slow!
:-)
Michael WA7SKG
Andrew Pavlin via aprssig wrote on 3/30/20 7:49 PM:
> Hi, Steve.
>
> Re-reading your email on this as I got restarted on my own effort in
> this area reminded me of some other ancient technology that we might
> want to resuscitate for this problem.
>
> Does anybody remember Usenet (otherwise known as the InterNetNews)? It
> was a powerful means of implementing a distributed world-wide collection
> of thousands of bulletin boards of discussion threads, back before the
> World Wide Web, hosting service providers, and (nearly) ubiquitous
> broadband replaced Usenet with world-accessible single-server web forums
> and blogs. Like email in those days, Usenet only carried plain-text;
> like email, it could carry anything that could be bundled into a
> plain-text email message, such as binary files encoded by the useful
> uuencode and uudecode programs. It would automatically synchronize all
> the distributed copies of any given discussion group. And it could work
> over (by today's standards) ridiculously low-bandwidth links. In 1991, I
> was running a corporate Usenet news gateway over a leased-line Internet
> connection at a screaming 19.2 kilobaud. Yes, _that_ slow. Yes, we had
> dialup modems that went faster than that before broadband.
>
> These days, the Usenet news server software is still available in most
> Linux distros (I just checked, and both Fedora Core and Raspian Buster
> still have it as an optional distro package). Many email clients still
> support NNTP (Network News Transport Protocol) as well as SMTP (Simple
> Mail Transport Protocol). And NNTP can transfer over any TCP/IP link
> (including TCPIP-over-AX.25 and HSMM, as well as the global Internet),
> and over batched low-level links (it used to use an old package called
> UUCP [Unix-to-Unix CoPy] to transfer updates over dialup links) at
> barely more infrastructure than the KISS protocol.
>
> So, we could set up NNTP servers on Raspberry Pi computers (or anything
> else) and use any sorts of links to connect them together: Internet,
> HamWAN, AREDN, TARPN, heck maybe even fldigi file transfers (not much
> different than what UUCP did). Because NNTP uses a flood-fill algorithm
> to distribute messages over multiple paths, if one link goes down, the
> target at the other end of the failed link will eventually get it via
> several relays on other links as long as every news server has links to
> more than one other news server, and the topology doesn't have any
> Single Points Of Failure. No particular network topology is required;
> just like amateur radio, Usenet doesn't need a central control office
> (unlike cellphones). We can certainly get sufficient TCP/IP speeds over
> AX.25 packet with the 9600-baud TNCs (hardware and software) that are
> readily available now for a TARPN-style VHF network for areas where we
> can't do HamWAN/AREDN, but NNTP will still work over those networks as
> well. And, if we keep our Usenet separate from what's left of the old
> Internet Usenet, we don't have to worry (as much) about illegal content
> putting transmitting stations at risk or excessive traffic volume. After
> all, most public service events that use APRS put their event traffic on
> a different frequency than the national APRS frequency to avoid congestion.
>
> So, if what is needed to solve the problem is a distributed bulletin
> board, Usenet solved it for us decades ago.
>
> Just my $.03 (inflation, ya know).
>
> Andrew, KA2DDO
> author of YAAC ("Yet Another APRS Client")
>
>
> On Wednesday, December 4, 2019, 12:11:44 AM EST, Stephen H. Smith via
> aprssig <aprssig at lists.tapr.org> wrote:
>
>
> On 12/3/2019 6:26 PM, chiefsfan2 at cox.net <mailto:chiefsfan2 at cox.net> wrote:
> Since you had a analog landline phone still working that would be a
> reason to bring back some phone patches like we used to have. And now
> you can run a BBS on a rasp pi computer which makes for great
> portability and low power consumption
>
> Funny you should bring this up at this particular time. Just last week,
> I was experimenting connecting an old Heathkit HD-1515 phone patch I
> found in my junk box to the 6-pin mini-DIN data port of a Yaesu FT-857D.
> It worked perfectly both on FM for 2 meters and on SSB for HF. I'm
> now going to add a 6-pin mini-DIN jack to the back panel of the patch,
> in parallel with the existing RCA RX and TX audio jacks. I can then
> use a standard off-the-shelf 6-pin DIN to 6-pin DIN cable to connect the
> patch to any radio with a standard 6-pin data port. Finally, I will
> add a double-throw center-off locking-one-way /
> momentary-the-other-way toggle switch to the front panel to key the
> radio transmitter.
>
> I'm now thinking about getting one of those Bluetooth gizmos that links
> to a cellphone and and produces a couple of classic RJ-11 analog phone
> jacks. I could plug the patch into one and a classic desk phone set into
> the other. This would allow phone patches either via a "real" phone
> line, or via a cellphone connection if needed.
>
> Another variation on this theme: With a sound card interface setup
> normally as you would use for digimodes on a PC, start up Skype instead
> of a soundcard digi-mode app. You can then run "phone patches" from
> radio users to users on Skype instead of a POTS line.
>
>
> ------------------------------------------------------------------------
>
> Stephen H. Smith wa8lmf (at) aol.com
> Skype: WA8LMF
> EchoLink: Node # 14400 [Think bottom of the 2-meter band]
> Home Page: http://wa8lmf.net
>
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>
>
>
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