1) Telrex 2 el 40 with 66 ft elements at 112 feet
2) M2 80/75 rotary Dipole at 106 feet
3) OptiBeam OB 21-3
(5 el on 20 & 15; 11 el on 10 meters)
100 Foot Rohn 45G Tower Shunt Fed on 160.
Solid Copper Radial Bus with Soldered Radials (Currently 45) &
More to Come.
160 shunt feed with motorized tuning. Amphenol type "HN" RF Connector. Note the large dielectric for the center conductor.
Remote tuning in shack for top band.
Hi-Z 8-Circle Array Electronics Protected by NEMA Box.
View # 1 of Hi-Z 8-Circle Array.
View #2 of Hi-Z 8-Circle Array.
W4NU at Camp Doha, Kuwait during the War in SW Asia, Summer of 2002.
Fellow Soldiers during Operation Enduring Freedom (The Pride of America). Summer of 2002.
The W4NU HF antenna stack in Atlanta, GA:
1) 2 element Telrex 40 meter monobander on 14 foot boom at 112 feet
(66 foot full size elements).
2) M2 80M-1 (80/75) rotateable diplole at 106 feet (94 feet long).
3) Optibeam OB 21-3 at 100 feet. 5 elements on 20 and 15, and 11 elements on 10 meters.
4) Above antennas on 24 foot mast turned by a prop pitch rotor from K7NV Prop Pitch sysyems.
5) Horizontal Waller Flag 160/80 Receive antenna on 40 foot boom at 93 feet on a TIC Ring rotor. Fed with 100 ohm Twin-AX to tower base and then Times Microwave LMR 600 after 100 ohm to 50 ohm transformer.
6) The 160 meter TX antenna is a shunt fed 100 foot Rohn 45G tower with an Omega match and 45 radials. The omega match is remotely tuned from the shack using a 1,000 pfd motorized vacuum variable capacitor.
7)The 2nd receive antenna on 160/80 is a Hi-Z Antennas 4-8 PRO array. It is an awesome receive antenna with eight (8) 23 foot verticals.
W4NU was first licensed in Atlanta as KN4JAG in June of 1959, and upgraded to K4JAG as a General in July of 1959. He upgraded to Advanced in the early 1970’s and to Extra in 1976.
W4NU is a member of the Southeastern DX Club, and first received the DXCC certificate in 1964. His main focus is DXing and always has been.
W4NU is a dentist in private practice at a major university affiliated medical center in downtown Atlanta, GA, and has been since the 1970's. He retired from the U.S. Army Reserve as a Colonel and unit commander in December of 2003. He was activated by the U.S. Army in March of 2002, and served in the war on terrorism as the Theater Dental Surgeon for SW Asia in Kuwait and Turkmenistan. He has been affiliated with the military for a substantial portionof his adult life.
The station at W4NU includes an Elecraft K3 transceiver and Alpha 77 Amplifier. Before this the equipment was a Collins S-line for many years. Our back-up transceiver is a Kenwood TS-480-HX with a DX Engineering RTR-1A separate receive antenna interface.
W4NU operated in Kuwait City, Kuwait as W4NU/9K2 from July through September of 2002 while deployed in support of Operation Enduring Freedom. QSL via W4NU's QRZ address or via Log Book of the World.
7244658 Last modified: 2016-04-16 11:00:42, 6168 bytes
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