[amsat-bb] Re: Worldwide Linking

Alan VE4YZ ve4yz at mts.net
Fri Oct 9 13:15:50 PDT 2009

See www.genso.org 

-----Original Message-----
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
Behalf Of Clint Bradford
Sent: October 9, 2009 1:50 PM
Subject: [amsat-bb] Worldwide Linking

An inquiry during my EchoLink presentation last night ...

"Clint, we know the orbit of a specific satellite, we know its projected
footprint, and we know its expected time over that footprint. Now if we had
"X" amount of ham stations, RF equipped to talk with this satellite, and
these hams were also equipped to communicate via VOIP EchoLink or IRLP and
enough of these stations were lined up around the world within the orbital
path, we would have continuous 24 hour, 7 day a week coverage around the
world with this bird.

"The EchoLink or IRLP stations would all be tied together via connection to
a main conference server such as *SCARS*. This would mean that anyone
worldwide could access the satellite day or night by transmitting and
listening to the earth station that was in the footprint at that particular

"I would see some things needing to be understood by the users, such as
timing in regards to internet latency, repeater and or link delays, and the
need to understand a pause would be necessary before transmitting, etc. ....

I have thought of this on a much smaller scale ... I welcome your comments.
I do not want to completely discourage this gentleman from "thinking
globally" (grin).

Clint Bradford


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