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PA0NVD Netherlands flag Netherlands

alias for: EA7

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Ham Member Lookups: 10617


I am born 16-05-1945 and I am 7 years with pension. I started my working life in a governement microwave laboratory, and after that continued upgrading military equipment and designing aircraft systems and spacecraft systems. After that I turned to nuclear medicine for the design of gamma camara systems.  The last 30 years of my working life I had an RF laboratory in the Netherlands and later in Spain where I designed and produced high power RF equipment like 27 MHz generators and tuners for plastic welding, dehydration of medicine powders and fruits, vegetables, meat and fish, plasma generation etc. RF powers upto 50 kWatts, designs upto 1 MegaWatt and microwave generators upto 60 kWatts.  For the design of  vacuum RF and Microwave dehydration systems I also studied thermodynamics. Currently I am helping an old client to design a 180 kWatt microwave generator, real fun. So I could make my work out of my hobby and my hobby was my work.

Now I am active restoring old radio equipment, designing linear amps and hi-fi tube amps. When electronic equipment glows in the dark and gives heat, it is my favorite stuff. 

I have sold my house in Spain and I moved to Costa Rica 12 november 2017.  I am now waiting for my reciprocal licence TI7-PA0NVD. 

My Wife Maria and I are building a house in Nuevo Arenal wich most probably will be finished autum 2018. Lets see what kind of an antenna I may use by than.

In Spain my working condition at HF was:

Ten-Tec Corsair 2 tranceiver and Alinco DX70

Homebrew linear amp with 8 x BLF177 in two modified EB104 boards, 1 kW PEP

Halfwave vertical antenna for 14 MHz. 

Wire antenna for 7 , 5.4 and 3,5 MHz

8473634 Last modified: 2017-11-25 13:51:03, 1951 bytes

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