I've run full Doppler the last 5 or so years for the K6AA Field Day station. It's only been the past three years I've had decent antennas, though!
73, Jim KQ6EA On 07/25/2011 03:16 AM, Stephen E. Belter wrote: > As far as Field Day and full Doppler correction goes: > > > From listening and contacting them during FD, W5MSQ uses full Doppler > > correction. Andy MacAllister, W5ACM could tell you for certain. They > > finished first in 2007, 2008, and 2010. > > John Papay, K8YSE is part of the W8DXA satellite FD team, and they use full > Doppler correction. They finished first in 2009 and third in 2010. > > I'm part of the satellite FD team for W9LDX, and we use full Doppler > correction. We finished first in the AMSAT contest in 2006, and second in > 2007, 2008, 2009, and 2010. (The 2011 results have not been published yet.) > > So for the AMSAT FD contest, full Doppler is the norm for the teams near the > top of the standings. > > 73, Steve N9IP > -- > Steve Belter > > -----Original Message----- > From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On > Behalf Of Jim Sanford > Sent: Sunday, July 24, 2011 5:51 PM > To: Tom Schaefer, NY4I > Cc: Amsat BB > Subject: [amsat-bb] Re: Should I abandon full doppler correction? > > All: > > For what it's worth, I think I prefer the manual doppler correction on the > highest frequency, which can be done manually. > Full doppler essentially requires constant computer control of both tx& rx > frequencies, AND a whole lot of accurate data. > > I've had similar experiences at Field Day, and was able to pick out the guys > doing full doppler, and rarely able to work them. > > For whatever my opinion is worth.... > 73, > Jim > wb4...@amsat.org > > > On 7/24/2011 5:17 PM, Tom Schaefer, NY4I wrote: >> Hi all, >> >> I just tried a nice pass on FO-29. I heard K9CIS on CW and W5BK from Texas. >> In both cases, while I am using full doppler correction with my 9100 and >> MacDoppler, I suspect they are leaving the transmit frequency fixed as they >> both changed frequency. K9CIS on CW was quite extreme in the Doppler shift. >> I know that this is a by-product of me using full doppler to listen to >> stations that are not, but it seems that the majority of the stations I hear >> are NOT using flu doppler. I have asked this question before, but it seems >> to be happening more frequently. >> >> Should I abandon full doppler correction? Another less black-and-white step >> is that if I hear a station moving to adjust my settings so I am not doing >> full doppler. >> >> Has anyone ever taken a survey to see how many satellite users actually use >> full doppler. Am I assuming more guys use computers and anyone of the >> multiple ways to do computer control that have ben available for years? Does >> anyone ever talk about this in AMSAT circles? Sort of like the encouragement >> one gives to people afraid of LOTW to try it? "Computers in the >> shack...NEVER!" I exaggerate but it seems that way. Then again, being a >> computer person and having computer capable rigs I realize I am skewed in my >> expectations. I know there are guys working with old 271/471 pairs or even >> the old FT726 out there. Great radios and a simple way to do it, but even >> they have ways to do full doppler control and they have been out for 20 >> years. >> >> Thanks, >> >> Tom >> Tom Schaefer, NY4I >> n...@arrl.net >> EL88pb >> Monitoring EchoLink node KJ4FEC-L 489389 DSTAR Capable APRS: NY4I-15 >> >> >> >> >> _______________________________________________ >> Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. >> Not an AMSAT-NA member? Join now to support the amateur satellite program! >> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb >> > _______________________________________________ > Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > _______________________________________________ > Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
