[aprssig] ARISS Satgates
Gale D. Wilkinson
gdwrbw at ftc-i.net
Wed Jul 21 11:53:35 EDT 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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