Monthly Archives: May 2015
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On the 20th of May Mark copied D4C/B on 144.436 MHz.
His article here: http://ei3kd.73tu.com/?p=1106ù
As reported in “The K7RA Solar Update” and the W1AW Propagation Bulletin (ARLP020/2015) for Friday, May 15, Dave Pedersen, PJ4VHF/N7BHC, on Bonaire copied a 2 meter CW signal from the D4C/B beacon on 144.436 MHz at Cape Verde via tropospheric ducting on May 6 (0100-0230 UTC). Bonaire is in the Caribbean just north of Venezuela, while Cape Verde is off the coast of Africa, west of Senegal — a distance of nearly 3000 miles.
The D4C beacon runs 20 W and is about 750 meters above sea level. Pederson was able to confirm the transmission with the beacon operator, HB9DUR. He was using a Kenwood TS-2000 and two 13 element Yagis.
“I had parked my VHF array pointing west for minimum wind resistance,” Pederson told ARRL Propagation Contributing Editor Tad Cook, K7RA. “Tuesday evening [May 5] I was doing some paperwork in the shack and rotated the beams back east at 0100 UTC to prepare for listening all night. To my amazement, I started copying CW while the beam was still 30° off the D4C bearing.”
Visit the D4C Amateur Sports Team Facebook page for more information and reception reports.