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Originally licensed in 1971 as WN0DLV in Fairfax Minnesota when I was in the 7th grade. Licensed again as WN0MHI in Buffalo Minnesota when I was a Senior in High School in 1974, then joined the US Air Force. Licensed again as KA6KGS in 1979 while stationed at Edwards AFB California. Spent 20+ years in the USAF, retired in 1994 to my present QTH.

While I was in the Air Force, operated from numerous overseas locations, as HL9RC, VK5AEZ, KA2EX/JA, and 7J1AIB. Also operated AF MARS as AFA2AO (Virginia), AFA8AO (Yokota AB Japan), and AFA4US (San Antonio Texas). Upgraded to Advanced in 1985 at the Dayton Hamvention. Later upgraded to Extra and decided to keep my call.

Have worked numerous HF and VHF contests, and love to chase DX with my 100 watts into homebrew beam antennas. Ran a small antenna manufacturing company for a couple of years, now just building for friends and locals. Couldn't manage TWO full time jobs and a family : ).

2 February 2016

Operational Radios at KJ4EX

Kenwood TS-2000LE

Kenwood TS-2000

Yeasu FT-847

Yeasu FT-890 (at KJ4PBR)
Yeasu FT-450D
Yeasu FT-100D

Kenwood TS-850S (Barrow Amateur Radio Club)
LNR FX-2 QRP 7/10 MHz CW Transceiver (Barrow Amateur Radio Club)

Operational Antenna Systems at KJ4EX
80 Delta-Loop, top fed at 75 ft, horiz polar - NE/SW

80vert-160InvL Ground Mounted Wire Verticals (single feed point)
40 Meter Top Fed Delta Loop at 60 ft. – NE/SW
40 Meter Top Fed Delta Loop at 65 ft. – NW/SE - Lost to Storm March 2017
40 Meter Sectioned Fiberglass Whip Ground plane (wire radials) at 20 feet
Skycraft SC-36TB Homebrew 20-15-10 Triband, three interlaced 2-element beams, 10 ft boom, at 68 ft (single feed)
Diamond CP-610, 6 and 10 meter 1/2 wave + vertical
Diamond X-50 2mtr 70cm vertical (FM)

VHF Rover/Portable Setup for KJ4EX
Any of the above radios plus single and dual band VHF FM radios
Platform Mounted Alliance HD-73 rotator in the back of a retractable roof 2004 GMC Envoy XUV
Skycraft SC-63L Homebrew (light) 3-element 6 meter beam
Shortened KLM 7 element VHF Beam (shortened from 16 elements)
Homebrew 9-element quagi using round loop driven element and reflector
Maspro WH-59 2mtr 70cm dual band FM beam

I am active on 160 meters through 440 Mhz on SSB, currently chasing DX (CW) on 80 meters to complete 5BDXCC

73’s es hp to wk u

Bill Wilson – KJ4EX

Founder, Low Power DX Club
Co-Founder Barrow Amateur Radio Club (BARC)
BARC President, Past : President, Vice-President, Secretary, and Treasurer
Barrow County Georgia ARES Emergency Coordinator
Barrow County Georgia ARES Skywarn Coordinator

ARRL, ARRL Tech Specialist (RFI), ARRL VE, W5YI VE, 7240 Club #618, 10-10 #73485 , 6 Club #2038, QCWA #31999, RCC, SEDXC

8636236 Last modified: 2018-02-09 00:02:28, 3432 bytes

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