<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Let's do it<br><br><div>-----------------------------</div>Sent from my iPhone<div>Andrew Rich</div><div><a href="mailto:vk4tec@tech-software.net">vk4tec@tech-software.net</a></div><div><a href="http://www.tech-software.net">www.tech-software.net</a></div><div>0419 738 223</div></div><div><br>On 2 Jun 2016, at 09:58, Brian D Heaton via aprssig <<a href="mailto:aprssig@tapr.org">aprssig@tapr.org</a>> wrote:<br><br></div><blockquote type="cite"><div>
  
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    <div class="moz-cite-prefix">TNC Side - Instead of a hardware TNC
      and limited 80s/90s firmware, how about an RPI3 with a UDRC for
      the radio interface and Direwolf (
      <a class="moz-txt-link-freetext" href="https://github.com/wb2osz/direwolf">https://github.com/wb2osz/direwolf</a> ) for the soft TNC. BPQ32
      (linbpq) is available for the RPI and works well. That will give
      you a reliable, flexible, and expandable system that also comes
      out cheaper.<br>
      <br>
      73-KY9K/Brian<br>
      <br>
      <br>
      On 6/1/2016 15:56, Kenneth Finnegan via aprssig wrote:<br>
    </div>
    <blockquote cite="mid:CAFS5k-huSTP3dG3vNCynZO7cDtEYP5qDecD1RM58HtF3ZFOSzQ@mail.gmail.com" type="cite">
      <div dir="ltr">Ebay user buyhitek lists CDM1250s with the
        403-470MHz split (which he incorrectly lists as 403-512MHz) in
        lots of 1, 5, and 100: <a moz-do-not-send="true" href="http://www.ebay.com/itm/301670665474">http://www.ebay.com/itm/301670665474</a>
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        </div>
        <div>To answer Erv's question, I've never used them at 9600, but
          the Moto 16pin does give you direct discriminator and
          modulator access, so I'd be shocked if they didn't work well
          for it.</div>
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            <div class="gmail_signature" data-smartmail="gmail_signature">--<br>
              Kenneth Finnegan<br>
              <a moz-do-not-send="true" href="http://blog.thelifeofkenneth.com/" target="_blank">http://blog.thelifeofkenneth.com/</a></div>
          </div>
          <br>
          <div class="gmail_quote">On Wed, Jun 1, 2016 at 2:23 PM,
            Robert Bruninga via aprssig <span dir="ltr"><<a moz-do-not-send="true" href="mailto:aprssig@tapr.org" target="_blank"></a><a class="moz-txt-link-abbreviated" href="mailto:aprssig@tapr.org">aprssig@tapr.org</a>></span> wrote:<br>
            <blockquote class="gmail_quote" style="margin:0 0 0
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                  <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I
                      guess because it would take a lot of work fussing
                      with Ebay for days on end trying to scrape up a
                      bunch of identical radios.  Or are you saying that
                      they can be found in 20 unit quantities at that
                      price?  If so, that’s not a bad approach.</span></p>
                  <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                  <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">But
                      I do want the 9600 baud backbone to begin with
                      identical units to minimize the unknowns in
                      getting it up and running.</span></p>
                  <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                  <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Bob,
                      WB4aPR</span></p>
                  <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                  <p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">
                      Kenneth Finnegan [mailto:<a moz-do-not-send="true" href="mailto:kennethfinnegan2007@gmail.com" target="_blank">kennethfinnegan2007@gmail.com</a>]
                      <br>
                      <b>Sent:</b> Wednesday, June 01, 2016 5:04 PM<br>
                      <b>To:</b> Robert Bruninga; TAPR APRS Mailing List<br>
                      <b>Subject:</b> Re: [aprssig] E Coast 9600 baud
                      backbone 15W radios (firmware?).</span></p>
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                    <div class="h5">
                      <p class="MsoNormal"> </p>
                      <div>
                        <p class="MsoNormal">I'm still a bit unclear;
                          why are you trying to homebrew data radios
                          with out-of-band PAs when you can get 25W UHF
                          CDM1250s on eBay for less than $100 a piece?
                          I've been converting all my packet stations
                          over to CDM750/CDM1250s; the standard Motorola
                          16 pin IO connector is fantastic for packet.</p>
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                        </p>
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                          <div>
                            <p class="MsoNormal">--<br>
                              Kenneth Finnegan<br>
                              <a moz-do-not-send="true" href="http://blog.thelifeofkenneth.com/" target="_blank">http://blog.thelifeofkenneth.com/</a></p>
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                        <p class="MsoNormal"> </p>
                        <div>
                          <p class="MsoNormal">On Wed, Jun 1, 2016 at
                            9:40 AM, Robert Bruninga via aprssig <<a moz-do-not-send="true" href="mailto:aprssig@tapr.org" target="_blank"></a><a class="moz-txt-link-abbreviated" href="mailto:aprssig@tapr.org">aprssig@tapr.org</a>>
                            wrote:</p>
                          <blockquote style="border:none;border-left:solid #cccccc
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                              <div>
                                <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">By
                                    the way, I may have found a possible
                                    UHF exciter to get the radios
                                    working on 420 MHz, but the question
                                    is, is using the KA Packet nodes in
                                    the Kantronics KPC-9612’s the only
                                    way to do the level 4 network? 
                                    Although I am sure we can find
                                    enough KPC9612’s for the 15 sites,
                                    I’m wondering about long term
                                    viability?</span></p>
                                <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                                <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Is
                                    there software out there to
                                    replicate the KA-NODE network (I
                                    think it is same as THENET or
                                    theoriginal NETROM nodes?  Othern
                                    than the nice off-the-shelf approach
                                    of the KPC9612’s?</span></p>
                                <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                                <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Bob,WB4APR</span></p>
                                <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                                <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                                <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                                <p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">
                                    Robert Bruninga [mailto:<a moz-do-not-send="true" href="mailto:bruninga@usna.edu" target="_blank"></a><a class="moz-txt-link-abbreviated" href="mailto:bruninga@usna.edu">bruninga@usna.edu</a>]
                                    <br>
                                    <b>Sent:</b> Friday, May 27, 2016
                                    11:31 AM<br>
                                    <b>To:</b> TAPR APRS Mailing List<br>
                                    <b>Cc:</b> Robert Bruninga<br>
                                    <b>Subject:</b> E Coast 9600 baud
                                    backbone 15W radios.</span></p>
                                <p class="MsoNormal"> </p>
                                <div>
                                  <div>
                                    <div>
                                      <div>
                                        <div>
                                          <p class="MsoNormal" style="margin-bottom:12.0pt">At
                                            Dayton I picked up a box of
                                            25 UHF data radios for the E
                                            Coast 9600 baud backbone
                                            project.</p>
                                        </div>
                                        <p class="MsoNormal" style="margin-bottom:12.0pt">Turns
                                          out, they are on 824 MHz.  But
                                          they have a 15 W driver stage
                                          that can give us 15 Watts in
                                          the 420 MHz amateur band if we
                                          can find a simple UHF
                                          transceiver with 1 Watt
                                          output.  ALl we have to do is
                                          bypass the final 45W PA and
                                          add a TR switch.</p>
                                      </div>
                                      <p class="MsoNormal" style="margin-bottom:12.0pt">Then
                                        add a TNC node and we are done.</p>
                                    </div>
                                    <p class="MsoNormal" style="margin-bottom:12.0pt">See
                                      the info on these radios at the
                                      bottom of this page:<br>
                                      <a moz-do-not-send="true" href="http://aprs.org/ec9600net.html" target="_blank">http://aprs.org/ec9600net.html</a></p>
                                  </div>
                                  <div>
                                    <p class="MsoNormal" style="margin-bottom:12.0pt">So,
                                      does anyone have ideas for the 1W
                                      UHX XCVR that we can split out the
                                      TX and RX separately so we can use
                                      these PA's?</p>
                                  </div>
                                  <div>
                                    <p class="MsoNormal" style="margin-bottom:12.0pt">The
                                      data radios include a GPS
                                      receiver, but we wont need thoes
                                      in this application.</p>
                                  </div>
                                  <p class="MsoNormal">Bob, WB4APR</p>
                                </div>
                              </div>
                            </div>
                            <p class="MsoNormal" style="margin-bottom:12.0pt"><br>
_______________________________________________<br>
                              aprssig mailing list<br>
                              <a moz-do-not-send="true" href="mailto:aprssig@tapr.org" target="_blank">aprssig@tapr.org</a><br>
                              <a moz-do-not-send="true" href="http://www.tapr.org/mailman/listinfo/aprssig" target="_blank">http://www.tapr.org/mailman/listinfo/aprssig</a></p>
                          </blockquote>
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                        <p class="MsoNormal"> </p>
                      </div>
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                  </div>
                </div>
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              <br>
              _______________________________________________<br>
              aprssig mailing list<br>
              <a moz-do-not-send="true" href="mailto:aprssig@tapr.org">aprssig@tapr.org</a><br>
              <a moz-do-not-send="true" href="http://www.tapr.org/mailman/listinfo/aprssig" rel="noreferrer" target="_blank">http://www.tapr.org/mailman/listinfo/aprssig</a><br>
              <br>
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      <br>
      <pre wrap="">_______________________________________________
aprssig mailing list
<a class="moz-txt-link-abbreviated" href="mailto:aprssig@tapr.org">aprssig@tapr.org</a>
<a class="moz-txt-link-freetext" href="http://www.tapr.org/mailman/listinfo/aprssig">http://www.tapr.org/mailman/listinfo/aprssig</a>
</pre>
    </blockquote>
    <p><br>
    </p>
  

</div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>aprssig mailing list</span><br><span><a href="mailto:aprssig@tapr.org">aprssig@tapr.org</a></span><br><span><a href="http://www.tapr.org/mailman/listinfo/aprssig">http://www.tapr.org/mailman/listinfo/aprssig</a></span><br></div></blockquote></body></html>