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Re: Adding a SAT port to a hill top DIGI



On Tue, 15 Oct 2002, Andrew Rich wrote:

> We have a digipeater on 145.175 MHz. (fixed for mobile traffic)
>
> What would be the easiest way to add recieve capability for 145.825 and 145.800 ?

Why?  Every mobile will hear the satelltie sig just as well if not better
than the digi (They have less  coax loss).  But I guess you want it so
that they dont even need to know when it is in view...  good idea...

> > 1. Double jumper the audio and hope they never clash

Depends on how busy is your 145.175 network.

> 2. Isolate 145.175 Mhz audio when a sat comes up
> 3. Run a seperate TNC and have RS232 sharing

This works great.  Set both TNC terminal rates to 9600 baud or higher to
mimnimize collisions.

> What is common about iss and pcsat ? is it "SATGATE" ?

Nothing.  PCsat supports ARISS when it can remember its settings, but it
cant..

bob

>
> Thoughts ?
>
>

de WB4APR@amsat.org, Bob

PCsat WEB  page     http://www.ew.usna.edu/~bruninga/pcsat.html
ISS-APRS FAQ:       http://www.ew.usna.edu/~bruninga/iss-faq.html
CUBESAT Designs     http://www.ew.usna.edu/~bruninga/cubesat.html
APRS LIVE pages     http://www.ew.usna.edu/~bruninga/aprs.html
APRS SATELLITES     http://www.ew.usna.edu/~bruninga/astars.html
MIM/Mic-E/Mic-Lite  http://www.toad.net/~wclement/bruninga/mic-lite.html

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