The November CQ WW CW DX Contest is the best weekend of the season for 160 meter DX activity, several U.S. stations have worked 100 countries on 160 meters in a single weekend in that one. The CQ WW
This high performance 3 dB splitter kit is available from Clifton Laboratories for only $5.00 including first class postage within the USA. Overseas price is only $6.00 including first class (air) po
Over the last 20 or 30 years, the military spent many millions of dollars on research, development and installation of highly directive Beverage HF receiving systems using large arrays of Beverages.
Hi Eddy, There are many suppliers, just do a Google search for: GC Electronics 10-4702 Merry Christmas. 73 Frank W3LPL -- Original message -- _______________________________________________ UR RST IS
Roger, The K9AY Model RAS-8x2 Receive Antenna Switching System selects up to 8 antennas to 2 receivers. Each receiver can select one to eight antennas simultaneously. I have three of these systems in
Paul, I'm sorry to hear about your furnace RFI problem. I have a similar furnace RFI, in my case the furnace is more than 1/2 mile away! My Beverages limit the problem to the southeast direction only
Paul, There were two confusing typos in my prior e-mail. Lets try again! I'm sorry to hear about your furnace RFI problem. I have similar furnace RFI, in my case the furnace is more than 1/2 mile awa
A buried wire is a transmission line. When a transmission line is very short compared to a quarter wavelength, its usually considered to have practically no transmission line properties of its own ex
Dave, Use a well over rated DC blocking capacitor, this is not an application to save a few pennies by using a marginally rated capacitor. You should also use a choke to ground with a high current ra
Topband, addictive? By far my most memorable QSO was my first topband DX: a QSO through the LORAN QRM with Armin DL1FF from my college station W1KMV in 1965 using a Viking Valiant, a Hallicrafters SX
Worked TN2T DXCC REPUBLIC OF THE CONGO (412) CQ Zone 36 ITU Zone 32 Date/Time 2012-01-22 23:xx:xx Mode CW (CW) Band 160M QSL 2012-02-04 03:50:01 Record ID 398884772 Received: 2012-02-04 03:50:01 -- O
The video of the array begins at about half way through the video. It appears to be hundreds of phased verticals in front of a circular reflecting screen. Each element of the array appears to be a br
Here's the status as of 9 February of the proposed 472 kHz allocation. http://www.arrl.org/arrlletter?issue=2012-02-09 WRC-12: Agenda Item 1.23 Passes Committee, Moves to Plenary Agenda Item 1.23 --
The Soviet Krug array was a much smaller than the array in the video, nearly identical to the World War II German Wullenweber array. The Krug construction techniques were far different and much less
Not enough room for towers and radials? Antennas aren't big enough? Here's an employment opportunity to work on ELF antennas at the 2 megawatt U.S. Navy NAA transmitter in sunny, warm Cutler, Maine.
Arne, A thorough history of the Wahiawa CDAA, and its context in the broader HF DF community is available at: http://www.navy-radio.com/rcvrs/frd10/frd10-hawaii.pdf A photograph of the array is on Go
It isn't hard to produce 5 watts eirp at 472 kHz, a few hundred watts watts through a tuner into your favorite 160 or 80 meter vertical will do the job easily. Much higher noise levels at 472 khz pre
According to a WRC-12 attendee, AI 1.23 just passed first and second reading. We now have a secondary amateur allocation at 472-479 kHz! 73 Frank W3LPL _______________________________________________
http://www.arrl.org/news/amateur-radio-gets-secondary-mf-allocation-at-wrc-12 -- Original message -- _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
Bert, Thats correct. A few hundred watts output power through an antenna tuner into a good 160 or 80 meter vertical should achieve easily achieve 5 watts eirp. Note the following caution from the ARR