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VK5MJ Australia flag Australia

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I remember my first facination with Radio going back when I was 5 years old,trying to learn &pretending I knew the Morse Code. During school years I made many Crystal Sets, Valve & Transistor radios & other Electronic circuits. I left high school & studied Radio & Television through a Apprenticeship with a local company. I was still facinated by transmitting of radio waves, eventually sitting for my "Z" call Australian Amateur licence, & became VK5UBT. I sat for & obtained my advanced licence in approx 2000 & became & remain VK5MJ. I ceased repairing domestic TV's & associated appliances some 15 years ago, concentrating on Radio Communications, with Electronic components parts for hobbiests. I held Sales & Service agencies with most Amateur & Commercial HF, VHF & UHF Manufacturers. I retired in July of 2011. My Home Base consists of an Icom IC-7400, an IC-718 & a Icom IC-V8000. I have a Yaesu FL2100Z foot warmer, feeding a Tri bander at 50 ft, & a broad band wire folded dipole at 80 ft. For portable use I have a FT-857D with a portable all band HF vertical centre loaded antenna. In the Mobile I have a Codan NGT optioned with the Amateur kit & 3046 antenna tuner & whip. I am a member of the WIA, am a WIA Examiner and also an Invigilator for Marine Radio operators. My other hobbies are motor cycling, I have 2 BMW K100's, & am in the process of fully restoring a 1947 BSA A7 500 twin,also enjoyboating, having a 7mtr cabin cruiser with a 5.8ltr Mercruiser stern drive. I also enjoy Caravanning, with my XYL Jill.


This is my 20 mtr self standing tower with

additional7 mtr pole. Close up of work area, the power supply is modified to 60 amps continuous


My Secondry tower with Chirnside CE-33 Tribander

in lowered position. Side view of my QTH on its 40 mtr frontage

Another close up of my working area. The main rig is an IC-7400,a FL-2100Z Linear Amp with SM-20 desk microphone. Not shown is the stand by rig a IC-718 with solid state Linear. There is also a FT-857D still in a box wanting a space to go in as well.


As a few have expressed interest in my broadband dipole, below is a diagram / drawing of mybroadband dipole. I am using a 6:1 home wound balun,

the antenna is resonant from160 mtrs down to10 mtrs, therefore not requiring a tuner.


This is my Portable HF & 6 Mtr antenna system on my Caravan set at 2 Mrs high but will telescope to 6 mts high. Ground radial cannot be seen in this photo

Above is my Portable Station whilst Caravanning. The antenna (pmsa-12) is a portable centre loaded multi band tapped  HF antenna which is on a Telescopic mast & will go to 6 Mtrs. Mast set at only 2 Mtrs in photo. The ground radials cannot be seen in this photo but are there. The whole antenna collapses into a small carry case 350 mm X 200 mm X 50 mm. I am very impressed with its performance. ( see http://www.108MHz.com) The radio is a Yaesu FT-857D, with ATU & portable batteries.

1627446 Last modified: 2015-01-22 10:40:24, 3815 bytes

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