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Posted by george on June 14, 2005, 5:11 pm


I am a search co-ordinator for a UK rescue group

I am interested in a project to pass GPS data over

a PMR radio network the size of most searches is

about 2.5 miles radius

the data to be fed into a laptop to show the location

of the radio whenever it is keyed

There must be some suitable software out there

but where to find it??

George

--
George

Posted by Ivor Jones on June 14, 2005, 5:31 pm


george wrote:
> I am a search co-ordinator for a UK rescue group
> I am interested in a project to pass GPS data over
> a PMR radio network the size of most searches is
> about 2.5 miles radius
> the data to be fed into a laptop to show the location
> of the radio whenever it is keyed
> There must be some suitable software out there
> but where to find it??

I don't know whether this might be of help..? Our company uses software
and hardware from this company - www.acis.uk.com to track bus movements.

Ivor





Posted by Dick on June 14, 2005, 5:47 pm


>I am a search co-ordinator for a UK rescue group
> I am interested in a project to pass GPS data over
> a PMR radio network the size of most searches is
> about 2.5 miles radius
> the data to be fed into a laptop to show the location
> of the radio whenever it is keyed
> There must be some suitable software out there
> but where to find it??
It is used in ham-radio.
Just google for APRS.

Dick.



Posted by I. Care on June 14, 2005, 5:47 pm


nospam@nospam.demon.co.uk says...
> I am a search co-ordinator for a UK rescue group
>
> I am interested in a project to pass GPS data over
>
> a PMR radio network the size of most searches is
>
> about 2.5 miles radius
>
> the data to be fed into a laptop to show the location
>
> of the radio whenever it is keyed
>
> There must be some suitable software out there
>
> but where to find it??
>
> George
>
>
The Ham Radio (Amatuer Radio) people have been using radios to xmit GPS
info. The data can be sent to the internet and viewed on maps via any
internet connected computer. Some of the people track their cars
location that way. Ask in one of the Ham/amatuer digital groups or
www.arrl.org.

They can use a device called a Terminal Node Controller (TNC). There
are also Software TNC's that use your PC soundcard, i.e. the GPS data is
converted to audio using a very small converter then the portable radios
audio/data is sent to a receiver/radio connected to the PC's soundcard
and decoded by the TNC software. There are several TNC software
programs available for free download.

Google "sound card tnc" for lots of links.
--
I. Care
Address fake until the SPAM goes away ;-}

Posted by Ted on June 14, 2005, 7:53 pm



george wrote in message ...
>I am a search co-ordinator for a UK rescue group
>I am interested in a project to pass GPS data over
>a PMR radio network the size of most searches is
>about 2.5 miles radius
>the data to be fed into a laptop to show the location
>of the radio whenever it is keyed
>There must be some suitable software out there
>but where to find it??
>George
>--
>George

Hello?? Hello, Hello?? Is this thing on??

Can anyone hear me?? Come in Rangoon!!

I just posted this a day or two ago. Didn't anyone see it??

>It looks like those hams are having all the fun.
>Below is a link to a live java display of maps of the USA and the rest of
>the world that shows the real time locations and data of ham radio APRS
>packet beacons. What will those internet guys come up with next? They are
>having far too much fun.
>http://www.aprs-is.net/javalive.htm
>There is available a small modem that you can connect between your gps and
>the microphone jack on your radio to broadcast your own gps position.
>http://www.byonics.com/tinytrak/
>Here is a modem and a transmitter with antenna. Just hook up your gps
>receiver and go.
>http://www.byonics.com/pockettracker/
>I assume that if you bought one of these transmitters and turned it on near
>one of the many receiving stations around the world then you too would show
>up on the real time java display mentioned above.
>This last item is a ham radio transmitter so you need a license to use it.

Also check out:

http://home.wi.rr.com/n9uur/packet.html

http://www.ui-view.org

http://www.tapr.org/

http://www.aprs-is.net

http://www.byonics.com

http://www.rarchams.org/aprs.htm







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