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Mobile satgate

G4HYG – December 16, 2007 – 22:27

I've recently been experimenting with igates and satgates to receive APRS packets digipeated via the ISS.

I've devised a mobile set up using a Yaesu FT-8100R and an Open Tracker 2 to act as a digipeater to relay ISS packets on 145.825 MHz to the terrestrial APRS network on 144.800 MHz (or 145.390 MHz in the US).

With three radio memory channels and two profiles on the Open Tracker 2 it can now operate as a mobile terrestrial tracker, mobile ISS tracker, portable terrestrial digipeater or mobile satgate.

Rather than try and explain in on the forum I've added a page to my web page to describe the setup.

The page is http://www.crosscountrywireless.net/mobile_satgate.htm

73,

Chris, G4HYG

Packet Radio
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D700 mobile satgate

N5VHO – December 16, 2007 – 22:41

AJ3U has a similiar page describing how to do the same thing with a Kenwood D700 on his web page at http://www.aj3u.com/aprs/aj3u-10.php and the USA frequency for APRS is 144.39 (not 145.39). Of course, the frequencies will can be changed to meet your specific relay needs.

Kenneth - N5VHO
http://spaceflight.nasa.gov/station/reference/radio/
Support ARISS http://www.amsat-na.com/donation.php (select "Human Spaceflight (ARISS))

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Kenneth, Thanks for your

G4HYG – December 17, 2007 – 07:26

Kenneth,

Thanks for your comment.

AJ3U's webpage gave me the original idea and he gives a very detailed description how to set a D700 up as a satgate.

Apologies for getting the US APRS frequency wrong. I've changed it on the webpage.

73,

Chris, G4HYG

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