[GreenKeys] HEATHKIT back in business - QST Dec 2015

[epvgk at limpoc.com]

On Mon, Nov 23, 2015 at 07:10:06AM +1100, Dave Horsfall wrote:
> On Sun, 22 Nov 2015, Ed Sharpe Archivist for SMECC via GreenKeys wrote:
> 
> > I would like to have one? like that at the museum set up. kind of 
> > holding off on any? thing? until I see what wonders our list leader? Gil 
> > is? designing into the box? he has been working on.? This texting? is 
> > one feature that is neat but?he had? from other included? features 
> > that?? seemed to make it a 'one box solution' for?the museum project.?? 
> > Ed#? www.smecc.org
> 
> OK, here's a wild idea: connect a GSM modem to a TU, with a suitable 
> application in the middle, and do texting between the RTTY and the 
> phone...
> 
> -- 
> Dave Horsfall DTM (VK2KFU)  "Those who don't understand security will suffer."

I've done that. Implemented on an ARM microcontroller dev board with GSM
modem. It wasn't very interesting because it couldn't do much else but if
anyone wants my ugly C code you're welcome to it. 

I found it much more useful to connect the loop to a small computer running
HeavyMetal and then writing apps that talk to it via tcp/ip connections, 
letting heavymetal deal with the loop, echo suppression, character set
translation, etc. 

eric


eric


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