[aprssig] Zip-LAN (and history)

Andre aprs at pe1rdw.demon.nl
Fri Jan 8 18:28:51 CST 2016


I always found the ziplan concept a bit of a kludge, sure it worked but
only for aprs and was not very scalable.
using axudp and software like digined is a lot more stable and can use
the existing lan network found in nearly all houses these days.

73 de Andre PE1RDW

Op 08-01-16 om 22:36 schreef Robert Bruninga via aprssig:
> Sounds like you are reading this.  For what it is worth, here is the ZIP-LAN
> description from way back then:
> 
> http://aprs.org/APRS-docs/ZIP-LAN.TXT
> 
> It worked for me.  What a coincidence!
> 
> Just LAST week, I finally disassembled and unstrung a RACK full of 3 HF
> radios, and three KAM TNC's and dozens of switches and dozens of terminal
> strips and a huge rats nest of wires dating back to the invention of APRS in
> the 1992 time frame.
> 
> Every RX and TX audio line, Every PTT, from every radio could be switched to
> the same Audio and PTT I/O of every TNC and then the serial data ports of
> every TNC could individually be switched to every serial digitial input or
> output signal in the shack.  I had put it off for  years...  And was afraid
> to touch it for fear of losing some kind of connectivity that went through
> that cabinet and I had forgotten was still involved.
> 
> BUT, I realized, it would be far easier to START OVER FROM SCRATCH rather
> than try to trace everything I did over 15 years of evolution.
> 
> THE HF rig has never been off in those 15  years (Kenwood TS570) nor the
> KAMS, though the HF rig has been permanently on the 14.070 PSK31 freq for
> the last 8 years or so... since we feed that audio to all the PC's for when
> we do the PSK lab.
> 
> Bob, WB4APR
> 
> -----Original Message-----
> From: aprsisce at yahoogroups.com [mailto:aprsisce at yahoogroups.com]
> Sent: Friday, January 08, 2016 4:17 PM
> To: APRS-IS32
> Subject: [aprsisce] Zip-LAN
> 
> Hi all (though I have a suspicious idea who'll answer),
> 
> I have a KamPlus 8.2, an FT-847 and a nice tree fifteen feet away from my
> second-story apartment. I have several potential DOS boxes that can be
> dedicated to an HF > VHF gate using APRSDos.
> 
> But I'd have to go back through the drudgery of making new DOS maps of my
> area of interest (I still have those DLG CD's!) if I had the time.
> 
> I've been using APRS-IS32 for several years and like the directions it has
> taken. Lynn has been a stickler for following APRS Specs since day one. So
> I'm wondering if this'll work. Excuse poor ASCII graphics.
> 
>> |          ║                Peet
> |          ║                U2100
> | 3   |    ║                  |
> | 0   |    ║ ┌ VHF Radio ┐    |
> | M   | |  ║ |           |__ Kam+  -- APRSDos
> |     └-┘--║-┘           |               |
> ├----------║--  HF Radio ┘               |
> |     J    ║                             |
> | E   p    ║        ┌------┬------┬------┤
> | D   o    ║      PC 1   PC 2   PC 3   PC 4
> | Z   l    ║      APRS    Ui   XASTIR  Mac
> |     e    ║      IS32   View          APRS
> |          ║
>> 
> As I understand it, everyone on this network can see everything the KAM+ can
> decode from the HF & VHF signals. They can text each other. The PC running
> APRSDos can transmit and receive messages via HF & VHF.
> 
> Can PC 1 running APRS-IS32 key the radio(s) via Zip=-LAN?
> 
> 
> ------------------------------------
> Posted by: Arte Booten <pn2zrc at gmail.com>
> ------------------------------------
> 
> 
> ------------------------------------
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