Rene: I think this is backwards - in your part of the country, you need to subtract 12 from the compass reading.
Check this out: http://powerboat.about.com/od/navigation/a/truenorth_wayup.htm Here's hoping I haven't gotten it twisted around.... Chuck -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of R. F. Tetro Sent: Saturday, December 02, 2006 4:38 PM To: 'Neil Kazaross'; 'Mailing list for the International Radio Club of America' Subject: Re: [IRCA] Tone Testers on 1610/1020 and 590 - Direction Finding-other options If you use a compass, remember with a compass to add-subtract the difference between true north and magnetic north. I know in my area this means adding about 12 degrees to the compass reading. Rene F. Tetro Lansdale, PA, USA W2FIL, WPXG816, WPXU288 Coordinates: 40D12'41"N 75D18'22"W Grid: FN20IF Email: [EMAIL PROTECTED] Moderator: www.radioveronica.us and www.dxhub.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Neil Kazaross Sent: Saturday, December 02, 2006 7:10 PM To: Mailing list for the International Radio Club of America; [EMAIL PROTECTED] Subject: Re: [IRCA] Tone Testers on 1610/1020 and 590 - Direction Finding -other options My very strong opinion is that this is likely lots more accurate than using a compass for most of us. 73 KAZ ----- Original Message ----- From: "Tom Jasinski" <[EMAIL PROTECTED]> To: <irca@hard-core-dx.com>; <[EMAIL PROTECTED]> Sent: Saturday, December 02, 2006 12:59 PM Subject: [IRCA] Tone Testers on 1610/1020 and 590 - Direction Finding -other options > We need to refine our direction finding capabilities. My I suggest that > instead of using compass angles from your location use the deviation angle > to a known station transmitter site instead. Transmitter site coordinates > are very accurate. Get a null on a big power house and then retune and > adjust antenna for a null on the unknown signal. Anyone with a Quantum > loop or equivalent or a good quality portable radio can easily do this. > > For example the test tone on 1020, report your bearing relative to KDKA, > KYW, WBAL or other easily heard powerhouse in the vicinity. From my > location the > signal from the tone tester on 1020 is about ten degrees south of bearing > to > KDKA. The > station on 1610 was a few degrees south of bearing to WTAM on 1100. > > The map created by Jim Tonne looks good and is a great idea, lets give > him more accurate information to use for a better fix on the tone testers. > Anyone with ideas or suggestions to improve on this are welcome. > > Tom Jasinski > Shorewood, IL > > _______________________________________________ IRCA mailing list IRCA@hard-core-dx.com http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: irca@hard-core-dx.com _______________________________________________ IRCA mailing list IRCA@hard-core-dx.com http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: irca@hard-core-dx.com _______________________________________________ IRCA mailing list IRCA@hard-core-dx.com http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: irca@hard-core-dx.com