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-   -   APRS explained (http://www.risingsun4x4club.org/forum2/showthread.php?t=13349)

rhyary 06-21-2010 09:50 AM

APRS explained
 
Dave,
I enabled the APRS and I can see how it works. I also verified with someone that saw me coming. But beyond the working pieces, what is it good for?

Specifically is it good for what we do on the trails?

Rami

DaveInDenver 06-21-2010 10:16 AM

I have not used APRS, so I only know about it in abstract. I don't have a GPS receiver. I know Wes has used APRS recently out at Cruise Moab, not sure if anyone else in the club is using it. It's a position reporting system, so yeah that's all it does, but knowing location of others in town or the trail can be leveraged for lots of uses.

rhyary 06-21-2010 11:02 AM

Thanks.

It is a lot more than position, which is why it is a bit difficult to understand what it is good for. you can send messages from one vehicle to another, maybe like texting?

accept is it is kind of difficult to type text into the radio. You can also have prepare few text messages a head of time, and just send the one you want.

But I am still searching on how people actually use it.

DaveInDenver 06-21-2010 11:11 AM

Quote:

Originally Posted by rhyary (Post 153468)
Thanks.

It is a lot more than position, which is why it is a bit difficult to understand what it is good for. you can send messages from one vehicle to another, maybe like texting?

accept is it is kind of difficult to type text into the radio. You can also have prepare few text messages a head of time, and just send the one you want.

But I am still searching on how people actually use it.

Packet radio in general is just that, packets that are just switched signals. It's just really high speed Morse Code and a very early form of WiFi. When you operate packet it's just like communicating via texting with a terminal program for your interface. Once you've packetized (hams generally use AX.25 framing) your link you do can anything you want it, just like the Internet itself, position reporting is just one part of it. You can do digital voice (this is essentially D-STAR), digital TV, time beacons, even Internet over the link, lots of things.

nakman 06-22-2010 09:49 AM

Hey Dave do you have this mobile app? http://ibcnu.us/

I guess without APRS yourself you'd only be able to track Wes... but that would be kinda cool too, no? :)

Corbet 06-23-2010 11:36 PM

APRS is on my list of somedays but I have more immediate needs. Pretty cool what it can do but unless we had more users its more a toy at this point IMO.

rhyary 06-24-2010 12:51 PM

See me here:
http://aprs.fi/?call=KC2YRF&mt=m&z=11&timerange=86400

I sent my wife the link. Now she can check my speed with out asking all the time, "how fast were you going?"

Other than that, I am still searching for trail usage. I suppose if I break down, you can tell where I am.

Corbet 06-24-2010 02:00 PM

Quote:

Originally Posted by rhyary (Post 153827)
I suppose if I break down, you can tell where I am.

This is about the only thing I see as a good use for me. If I go MIA for a day or two someone (wife) can at least get the position of the truck during last HAM radio use.

I still want it, and its part of the reason I bought the Kenwood mobil unit I did as its an easy upgrade.


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