By the way folks...my question now is why people in the USA use 7070 for PSK? 7035-37 seems full of PSK31 DX, I'm not sure why we are not all there.
Andy K3UK On 1/17/07, expeditionradio <[EMAIL PROTECTED]> wrote:
Hi Alan, I'm not sure why that question was directed at me. Bonnie --- In digitalradio@yahoogroups.com <digitalradio%40yahoogroups.com>, "Alan Tindal" <[EMAIL PROTECTED]> wrote: > > Well Bonnie I don't know why your not hearing digi activity down at > 7.030 - 7.040. In a half hour listening down on those frequencies I > copied 24 different callsigns, in this part of the world all the digi > activity is between those frequencies. > > 73 > Alan G3VLQ > > ----- Original Message ----- > From: "Roger J. Buffington" <[EMAIL PROTECTED]> > To: <digitalradio@yahoogroups.com <digitalradio%40yahoogroups.com>> > Sent: Wednesday, January 03, 2007 3:19 AM > Subject: Re: [digitalradio] Re: Trends in Frequencies for 40m Digi > Keyboarding > > > > expeditionradio wrote: > >> > >> > > >> Considering USA's recent diminishment of the data subband segment > >> on > >> 40 meters, the projected increase in the number of Extra > >> operators, > >> the declining use of morse CW in the world, and the increasing use > >> of > >> digital keyboarding, the trend is heading toward more digital > >> keyboarding being used in USA in the 7020kHz-7040kHz part of the > >> 40m > >> band, especially for DXing. This is compatible with bandplans and > >> actual use of digi keyboarding in the rest of the world. The newer > >> keyboarding modes are able to decode better than -13dB SNR, so > >> this > >> makes low power DXing a reality for the average USA ham on 40 > >> meters. > >> Throughout most of the world, 7040-7100kHz is filled with QRO SSB. > >> The SSB QRM makes 7040-7100kHz somewhat uncompatible with low > >> power > >> and weak signal digi keyboarding DXing. > >> > >> 73 Bonnie KQ6XA > > > > The above is news to me. I rarely hear any digital signals on 40M > > much > > below 7.065. The bulk of keyboard digital activity seems to take > > place > > from about 7.069-7.075 or so. If there is a trend towards digital > > qsos > > down around 7020-7040 it is not discernible. It is true that SSB > > from > > countries that permit it around 7070 is sometimes a problem, but I > > sure > > haven't noticed a "trend" towards USA ham using the digi modes > > moving > > down around 7020-7040. > > > > de Roger W6VZV > > > > > > > > Suggested Calling/Beaconing Frequencies: > > 17M: 18103.4 > > 20M: Primary:14.078.4 Secondary: 14.076.4 Digital Voice: 14236 > > 30M Primary:10.142 Secondary 10.144 > > 40M Region 2: 7073 Region 1/3: 7039 > > 80M Primary : 3583 Secondary: 3584.5 > > Announce your presence via our DX Cluster > > telnet://cluster.dynalias.org > > > > > > Yahoo! Groups Links > > > > > > > > > > > > -- > > No virus found in this incoming message. > > Checked by AVG Free Edition. > > Version: 7.5.409 / Virus Database: 268.16.2/613 - Release Date: > > 1/1/2007 > > > > >
-- Andy K3UK Skype Me : callto://andyobrien73 www.obriensweb.com
