[SJRA-Members] Question about APRS

[RICK CONNOR]

Tune that to 144.390 MHz, not 145.390.
> On February 1, 2017 at 1:43 AM Bob Beyer <bob_beyer at verizon.net> wrote:
> 
> 
> Hi Holden, 
> That sounds like an interesting project.  I don't know how much
> experimenting you've done with the subsystems already.  Although not rocket
> science,  you'll need to get familiar with at least 3 different disciplines.
> 
> 
> Namely:
> - SDR in general and specifically the RTL dongle type receivers.
> - RaspberryPi computer.  Cool but quirky little computers.
> - APRS specifically and packet in general.
> 
> My suggestion would be for you to get as comfortable as possible with the
> RasPi and RTL first if haven't already mastered them.  If you can, get it
> going with some free software on a Windows computer such as HDSDR. Learn to
> tune it to 145.39 and listen to what kind of APRS packet traffic you can
> hear from your QTH and with your antenna.  I'm assuming by now that you know
> what packet sounds like and will recognize it.
> 
> You may have already found these in your travels but I saw these web pages
> (the first led me to the second).
> 
> http://www.rtl-sdr.com/setting-up-a-raspberry-pi-based-aprs-rx-igate-with-an
> -rtl-sdr/
> 
> https://github.com/wb2osz/direwolf/blob/master/doc/Raspberry-Pi-SDR-IGate.pd
> f
> 
> One thing I noticed is that you'll need to be comfortable on the RasPi
> issuing commands via the Bash prompt in the shell (terminal) on the RasPi.
> If you're Linux savvy you already know what this is.  If not, you can start
> here:
> 
> https://learn.pimoroni.com/tutorial/bash/getting-started-with-bash
> 
> Once you become fluent on the RasPi and comfortable with the RTL dongle,
> read a little about APRS so you'll understand it's approach to packet radio.
> A general understanding of packet radio may be useful too:
> 
> https://www.tapr.org/pr_intro.html
> 
> Sorry I don't have any direct experience with what you're trying to
> accomplish.  I just know from experience that trying to pull everything
> together at once can be intimidating if you're still mastering the
> components.
> 
> Good luck,
> Bob Beyer - KE2D
> 
> 
> 
> -----Original Message-----
> From: SJRA-Members [mailto:sjra-members-bounces at mailman.qth.net] On Behalf
> Of Holden
> Sent: Wednesday, February 01, 2017 1:51 AM
> To: SJRA LIST
> Subject: [SJRA-Members] Question about APRS
> 
> Dear all,
> For the holidays I got a Raspberry Pi Linux computer. Since then, I have
> found out what I want to do with it. I would like to turn it into an APRS
> iGate relayer using a RTL SDR. I have followed numerous online directions on
> how to do it but can't seem to figure it all out to work. I was wondering if
> anyone had any experience or advice on this matter. Thank you very much for
> your input.
> 
> Please private email me for more details...
> 
> Holden Correia-Fisher
> KD2JPV
> ______________________________________________________________
> SJRA-Members mailing list
> Home: http://mailman.qth.net/mailman/listinfo/sjra-members
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:SJRA-Members at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> 
> ______________________________________________________________
> SJRA-Members mailing list
> Home: http://mailman.qth.net/mailman/listinfo/sjra-members
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:SJRA-Members at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html