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[aprssig] ARISS Satgates

Gale D. Wilkinson gdwrbw at ftc-i.net
Wed Jul 21 15:53:35 UTC 2004


Xastir!    Cygwin/Xastir on Windows, Xastir on Linux.

   Gale

Chuck Kimball wrote:

> Quick question as someone else has probably already researched it.
>
> It there a good software package that will handle multiple TNCs on 
> multiple serial ports?
>
> I'm getting ready to set up a I-Gate when I get home, and if I could 
> do it on the same machine
> to handle a TNC on 144.390, another (maybe 9612) with a 1200 baud port 
> on 145.800, and
> the other TNC port on a 435 for echo or one of the other sats...   
> Would seem to be much easier
> than  running several computers.
> Thanks
> Chuck   n0nhj
>
>
>
>
> Robert Bruninga wrote:
>
>> More ARISS Satgates needed?
>>
>> Today I did a quick look at the packets arriving at 
>> http://www.ariss.net to see where the IGates were:
>>
>> 00:03:21:35 : qAo,WA6LIE-4  Southern Calif
>> 00:06:29:46 : qAo,N0AN        Boone Iowa
>> 00:06:31:57 : qAR,KE4AZZ    Greenwood Indiana
>> 00:07:23:15 : qAo,VA3BOO   Kinsington, ONT
>> 00:08:01:18 : qAO,KC9DOA   Fondu Lac WI
>> 00:08:47:24 :        VK5AH-1      Adelaide, AUS
>> 00:09:34:58 : qAo,VE2TSO     Quebec
>> 00:11:21:27 : qAo,KB0LCR-1  Watertown SD
>> 00:12:36:58 : qAR,F4CEP      France
>> 00:12:40:22 : qAo,ON7EQ      Belgium
>> 00:12:51:22 : qAo,KC9ECI      Onalaska, WI
>>
>> Notably absent were very large sections of the USA
>> such as the East Coast, Souitheast, Souithwest, South and Pacific 
>> Northwest.
>>
>> Global areas missing:  Japan, South America, Souith Africa, Hawaii, 
>> Alaska, Israel, UK, Spain, Central America, etc...
>>
>> Two things of note. 
>> 1) Setting up a SATGATE to link ARISS into the internet is simply a 
>> whip antenna, an FM rig and TNC on 145.800 and
>> just about any version of APRS.
>>
>> 2) There is no such thing as overkill.   The APRS internet
>> system filters out all dupes so it is better to have too many
>> than not enough IGates.  And having at least TWO igates
>> in every area doubles the probability that EVERY packet
>> that makes it through the AIRSS digipeater will be captured
>> by at least one IGate.
>>
>> So if you have a spare TNC and FM radio and permanent
>> internet access, please  consider setting up an IGate.
>>
>> * A whip antenna does NOT need to be high or to see
>>    the horizon.  Someone else's IGate will hopefully be
>>    closer.   A 19" whip over a ground plane is simple and    
>> effective.  No moving parts.  Low so it avoids lightening
>>    vulnerability.  etc..
>>
>> de Wb4APR, Bob
>>  
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>>
>>  
>>
>
>
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