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</o:shapelayout></xml><![endif]--></head><body lang=DE-AT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Rob,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>It would be very helpful for the HF-APRS-net to have your DSP-TNC active on 10MHz. Setup to 1800Hz center QRG and your TRX to 10.147,6 USB.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> If you do need help on how to configure to regularly send a dF-beacon (QRG-drift)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>like VK6UZ-4, just let me know, I will assist you.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Vy 73 de Mike<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>OE3MZC/VK3FPF<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="mailto:oe3mzc@oevsv.at">oe3mzc@oevsv.at</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> ozaprs-bounces@aprs.net.au [mailto:ozaprs-bounces@aprs.net.au] <b>On Behalf Of </b>Robert Thirkettle<br><b>Sent:</b> Mittwoch, 29. Juni 2011 23:02<br><b>To:</b> Australian APRS Users<br><b>Subject:</b> Re: [OZAPRS] QRG drift HF APRS<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-NZ style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi All I have a DSP TNC but my station is off air at present but I could easily put it back on air again my rig is a TS-2000 and a SCS DSP TNC if a ZL station is of some help I will put my station back on air.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>Regards Rob Thirkettle ZL3RX <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>Dept Physics & Astronomy<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>University of Canterbury <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>Private Bag 4800, <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>Christchurch 8020,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>New Zealand<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>Tel: +64 3 364 2510<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>Fax: +64 3 364 2469<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>mailto:rob.thirkettle@canterbury.ac.nz<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-NZ style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'><o:p> </o:p></span></p></div><p class=MsoNormal><span lang=EN-NZ style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> ozaprs-bounces@aprs.net.au [mailto:ozaprs-bounces@aprs.net.au] <b>On Behalf Of </b>Steve<br><b>Sent:</b> Thursday, 30 June 2011 8:48 a.m.<br><b>To:</b> ozaprs@aprs.net.au<br><b>Subject:</b> Re: [OZAPRS] QRG drift HF APRS<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-NZ><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-NZ>What Gerard says is true. As I was using MixW as my modem for a long while, I spent a lot of time looking at its waterfall. The signals are all over the place - including the net stations. For whatever reason, VK3MY was far lower than the bulk of the stations I decode. MixW is probably a bit too critical in its frequency accuracy requirements, but if I 'netted' to VK3MY I wouldn't have decoded any other stations!<br>I did what Gerard did - I checked I was accurate with WWVH on 10MHz and left it at that.<br>I'm still missing strong stations that are too far off what I think is the correct frequency, but no single spot gives me all stations. Maybe I do need one of those fancy DSP modems too!<br><br>Steve (VK2ZSZ)<br><br><o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-NZ>Gerard Hill <vk2io@amsat.org> wrote:<o:p></o:p></span></p><pre style='white-space:pre-wrap;word-wrap:break-word'><span lang=EN-NZ style='font-family:"Arial","sans-serif"'>Hi All,<br><br>30m FSK300 APRS is a bit of a dog's breakfast at the moment. There is a <br>wide dispersal of centre frequencies being used. It isn't being helped <br>by the net stations being at least 50 Hz apart - no-one knows which one <br>to tune to. I've given up chasing net stations down the band and now use <br>WWV at 10 MHz as my reference. Its a continuous accurate transmission <br>available 24 hours a day.<br><br>Its incumbent on the net stations to regularly check and retune their <br>transmitters so that they are exactly on frequency. Crystals do age and <br>radios do drift with temperature. The stations should be netted within <br>10 Hz of each other. Please. This will give the other users (including <br>IGates) a chance to net on the same frequency and the best chance of <br>being heard.<br><br>Cheers ... Gerard, VK2IO<br><br>On 29/06/2011 10:49 !<o:p></o:p></span></pre><pre><span lang=EN-NZ style='font-family:"Arial","sans-serif"'> PM,<o:p></o:p></span></pre><pre><span lang=EN-NZ style='font-family:"Arial","sans-serif"'>Richard Hoskin wrote:<br>> Hi Mike,<br>><br>> The tuning information is interesting…….<br>><br>> This is why we set up Net Stations several years ago. All VK HF APRS<br>> stations should tune to the designated NET station (see<br>> <a href="http://aprs.net.au/hf/hf-net-stations">http://aprs.net.au/hf/hf-net-stations</a>) By all HF APRS stations tuning to<br>> the NET station and not worrying about your radio’s frequency display<br>> everyone will be on the same wave length.<br>><br>> In most cases there should be a Secondary Net station for each frequency<br>> in a different geographical location to the Primary Net station. This<br>> will allow for station to tune in to the Secondary Net station if they<br>> are unable to hear the Primary Net. The Primary and Secondary Net<br>> Stations would be frequency synchronised.<br>><br>> Some of the Primary Net stations and Secondary Net statio!<o:p></o:p></span></pre><pre><span lang=EN-NZ style='font-family:"Arial","sans-serif"'> ns have<o:p></o:p></span></pre><pre><span lang=EN-NZ style='font-family:"Arial","sans-serif"'>gone<br>> off the air over the years and have not been replaced. We may need a few<br>> volunteers to run their station as a 24/7/365 Secondary Net stations if<br>> they can hear the Primaries well enough to tune in accurately.<br>><br>> It would be nice if VK6UK-4 wanted to setup as a Secondary Net station<br>> for 10MHz and tuned accurately to VK3MY-4.<br>><br>> Cheers<br>><br>> Richard<br>><br>> *From:*ozaprs-bounces@aprs.net.au [mailto:ozaprs-bounces@aprs.net.au]<br>> *On Behalf Of *Mike Zwingl oe3mzc<br>> *Sent:* Wednesday, 29 June 2011 9:37 PM<br>> *To:* Australian APRS Users<br>> *Subject:* [OZAPRS] QRG drift HF APRS<br>><br>> see how all stations on 10Mhz are drifting offset in QRG:<br>><br>> <a href="http://aprs.fi/?c=raw&call=vk6uz-4">http://aprs.fi/?c=raw&call=vk6uz-4</a> <<a href="http://aprs.fi/?c=raw&call=vk6uz-4%3e">http://aprs.fi/?c=raw&call=vk6uz-4></a>;<br>><br>> It is not the absolute but the relative value to each other that makes<br>> the problem in decoding hf-aprs sigs.<br>><br>> (values after callsigns is given in Hz)<br>><br>> 2011-06-29 11:24:57 UTC: *VK6UZ-4<br>> <<a href="http://aprs.fi/?c=raw&limit=&call=VK6UZ-4%3e*%3eAPU25N,TCPIP*,qAC,T2AUST:=3211.17S/11604.17E&HF-IGATE">http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>*>APU25N,TCPIP*,qAC,T2AUST:=3211.17S/11604.17E&HF-IGATE</a><br>> 10147.6USB Perth<br>> 2011-06-29 11:29:01 UTC: *VK6UZ-4<br>> <<a href="http://aprs.fi/?c=raw&limit=&call=VK6UZ-4%3e*%3eAPRS,TCPIP*,qAC,T2AUST:%3edF">http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>*>APRS,TCPIP*,qAC,T2AUST:>dF</a><br>> (Hz): WIDE1 +100, VK2GKA-15 +50, VK7BW-15 +50, VK8ZAB-4 +25<br>> 2011-06-29 11:29:02 UTC:<o:p></o:p></span></pre><pre><span lang=EN-NZ style='font-family:"Arial","sans-serif"'>*VK6UZ-4<br>> <<a href="http://aprs.fi/?c=raw&limit=&call=VK6UZ-4%3e*%3eAPRS,TCPIP*,qAC,T2AUST:%3edF">http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>*>APRS,TCPIP*,qAC,T2AUST:>dF</a><br>> (Hz): VK4UN-4 +62, VK5ATN-15 +65, VK5LY-15 +43, VK4KWI-15 +75<br>> 2011-06-29 11:29:02 UTC: *VK6UZ-4<br>> <<a href="http://aprs.fi/?c=raw&limit=&call=VK6UZ-4%3e*%3eAPRS,TCPIP*,qAC,T2AUST:%3edF">http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>*>APRS,TCPIP*,qAC,T2AUST:>dF</a><br>> (Hz): VK2AJ-15 +50, KF7EU-6 +25, ZS6SS-3 +62, VK2TV-4 +143<br>> 2011-06-29 11:29:02 UTC: *VK6UZ-4<br>> <<a href="http://aprs.fi/?c=raw&limit=&call=VK6UZ-4%3e*%3eAPRS,TCPIP*,qAC,T2AUST:%3edF">http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>*>APRS,TCPIP*,qAC,T2AUST:>dF</a><br>> (Hz): VK3DHI-15 +68, VP8DEU +43, VK2DQC-15 +81, VK4DMI-4 +96<br>> 2011-06-29 11:29:02 UTC: *VK6UZ-4<br>> <<a href="http://aprs.fi/?c=raw&limit=&call=VK6UZ-4%3e*%3eAPRS,TCPIP*,qAC,T2AUST:%3edF">http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>*>APRS,TCPIP*,qAC,T2AUST:>dF</a><br>> (Hz): VK4HW-15 +46, VK4VP-15 +25, DL8RCB-3 +100, IW2GOB-10 +100<br>> 2011-06-29 11:29:02 UTC: *VK6UZ-4<br>> <<a href="http://aprs.fi/?c=raw&limit=&call=VK6UZ-4%3e*%3eAPRS,TCPIP*,qAC,T2AUST:%3edF">http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>*>APRS,TCPIP*,qAC,T2AUST:>dF</a><br>> (Hz): VK4KMR-15 +46, F5LDS-4 +112, VK2SX-15 +50, LA4FPA-15 +87<br>> 2011-06-29 11:29:02 UTC: *VK6UZ-4<br>> <<a href="http://aprs.fi/?c=raw&limit=&call=VK6UZ-4%3e*%3eAPRS,TCPIP*,qAC,T2AUST:%3edF">http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>*>APRS,TCPIP*,qAC,T2AUST:>dF</a><br>> (Hz): VK7DIK-4 +40, VK3MY-4 +65, VK3BZQ-9 +37, VK5LY-4 +43<br>> 2011-06-29 11:29:02 UTC: *VK6UZ-4<br>> <<a href="http://aprs.fi/?c=raw&limit=&call=VK6UZ-4%3e*%3eAPRS,TCPIP*,qAC,T2AUST:%3edF">http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>*>APRS,TCPIP*,qAC,T2AUST:>dF</a><br>> (Hz): VK4UN-15 +43, VK8LM +50, VK5LY-6 +50, VK3BDG-9 -18<o:p></o:p></span></pre><pre style='text-align:center'><span lang=EN-NZ style='font-family:"Arial","sans-serif"'><hr size=2 width="100%" align=center></span></pre><pre style='margin-bottom:12.0pt'><span lang=EN-NZ style='font-family:"Arial","sans-serif"'><br>OZAPRS mailing list<br>OZAPRS@aprs.net.au<br><a href="http://lists.aprs.net.au/mailman/listinfo/ozaprs">http://lists.aprs.net.au/mailman/listinfo/ozaprs</a><o:p></o:p></span></pre></div></div></body></html>