<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body>I'm trying to get YAAC reworked for bursting. As to actually running a beam-antenna transmitter, I was going to climb on the roof to rig it today, but if no one is going to listen, not sure if there's a point in doing so.<div><br></div><div>WA8LMF said he had a turn-key UIview setup.<br><div dir="auto"><br></div><div dir="auto">Andrew, KA2DDO</div></div><br><br>-------- Original message --------<br>From: Robert Bruninga <bruninga@usna.edu> <br>Date: 11/15/20 12:02 (GMT-05:00) <br>To: TAPR APRS Mailing List <aprssig@lists.tapr.org> <br>Subject: [aprssig] Fwd: APRS Meteor test (TX list)? <br><br><div dir="ltr"><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Subject: Re: APRS Meteor test (TX list)?<br>To: Marshall-K5QE, Bill Booth <ve3nxk, GEO Badger <w3ab, Andrew Pavlin (YAAC), wa8lmf(UIview)<br>Cc: <a href="mailto:kd4iz@frawg.org" target="_blank">kd4iz@frawg.org</a>><br></div><br><div dir="ltr"><div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>We have seen only a few volunteer TX stations (mostly from the EME reflector) and I dont think I have cpaatured anyone from AMSAT or APRS that have stepped forward,</div></blockquote><div><br></div><div>Biggest problem is lack of a turn key TX program for these non APRS volunteers. No one has said they are ready to TX.</div><div>Maybe a few of you are working on it, but Im not hearing anything. I'm sorry that I am so poor health I cannot organize it better. Just thought I should summarize the feedback I have gotten.</div><div><br></div><div>The ADDEE's are high power mostly EME stations. Did anyone see anyone else that responded as if they were working on something?</div><div><br></div><div>If we dont have a turnkey TX program, I guess we can stand down.</div><div><br></div><div>Bob</div><div>-----------------------------</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div>To clarify exactly what a high power TX station needs to send is say 30 copies of the APRS grid format in a single burst IE send this to the TNC every minute:</div><div><br></div><div>>GG##gg<CR></div><div><div>>GG##gg<CR></div><div>>GG##gg<CR></div></div><div>>GG##gg<CR><br></div><div>...</div><div><div>>GG##gg<CR></div><div>>GG##gg<CR></div></div><div><br></div><div> The TNC will concatenate probably seven to ten of these at a timel into dense TX packets with only a single TX delay, not 30 delays. </div><div><br></div><div>The TNC has UNPROTO set to simply "APRS" no path! And set to CONVErSE..</div><div><br></div><div>Adjust the number (30?) till the TX burst lasts 15 seconds each minute.</div><div>The result is 30 complete grids in only 200 milliseconds each. Hopefully short enough so that occasionally one will get bounced somewhere by the extremely short <span>meteor</span> path bursts at VHF. </div><div><br></div><div>Point beam to a high ham population density at least 600 miles away. Vertical or Horizontal will work.</div><div><br></div><div>This will take special software for the 15 TX stations. (<span>METEOR</span>-1 through <span>METEOR</span>-15)</div><div><br></div><div>RX stations need nothing special. Any APRS software should capture and decode and plot a grid report if received overnight. All of this on the national channel 144.39 from midniight to 6 AM local time</div><div><br></div><div>Here is the report form 1998 event</div><div> <a href="http://aprs.org/APRS-docs/LEONIDS.TXT" target="_blank">http://aprs.org/APRS-docs/LEONIDS.TXT</a><br></div><div><br></div><div>Bob WB4APR</div>
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