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K0MDJ USA flag USA

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In March of 1967 I was first licensed as WNØRGV. Now celebrating 50 years as a ham!

Due to my recent retirement and change of QTH, I am currently QRT, but will soon be back on from EN35.

I am a recently retired professor of communication studies at a "liberal arts college" (small university) in northeastern Iowa, and now reside in a suburb of Minneapolis, Minnesota. I am a life member of ARRL and AMSAT and enjoy both HF and satellite DX. I hold DXCC Satellite certificate number 166, and am a member of the Minnesota Wireless Association and the Twin Cities DX Association.

After living in Cedar Falls, Iowa for 26 years, I took a one year work assignment in Nottingham, UK during 2011-12 and operated there as MØGZO. From fall of 2012 until spring of 2017 my QTH was in the extreme northeast corner of Iowa. I also operated in Malta as 9H3DJ from February to June of 2016 while on another work assignment.

I have just acquired a FlexRadio 6700, and hope to learn enough about it to put it on the air soon. My current rig is an Icom IC-9100, with an SGC 500 watt solid state "Power Cube" on HF. The primary antenna is a Tennadyne T-10, ten-element log periodic at 53 feet (16 meters), but because I am at the top of a high and steep hill, the antenna performs as if it were higher, particularly toward Europe and the Middle East. There's also a dipole in the trees for the lower bands, as can be seen below.

T-10 log periodic with dipole and VHF vertical

I am also quite active on satellites, using an M2 "LEO-pack" antennas on an az-el rotor. I recently added computer rotor control using a homebrew Arduino and K3NG software.

The satellite antenna system can be seen above. The M2 antennas, 436CP16 (left) and 2MCP8A (right) are mounted on a solid fiberglass boom which has been covered with heatshrink for solar protection. The rotors are a Yaesu G-5500 set. Below the rotor is a small solar panel which float-charges a storage battery for emergency station power. Behind the solar panel are mounted SHF-Elektronik Mini-2 and Mini-70 GaAsFET pre-amps.

K1N satellite QSL pictured above is for one of only 29 satellite QSOs made by the DXpedition!

K1N satellite QSL pictured above is for one of only 29 satellite QSOs made by the DXpedition! The card was hand-delivered by my neighbor, Glenn, WØGJ, who was one of the expedition leaders (shown holding the antenna). I helped convince Glenn to take satellite gear to Navassa and provided some pointers on satellite operation.

73, Mark

 

8408900 Last modified: 2017-10-24 21:02:20, 3087 bytes

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