Rob's web
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Techniek
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Electronica
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Radiotechniek
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Radio amateur bladen
- CQ
CQ
1980
High S.W.R. protection for transceivers and amplifiers
1987
How to build a simple SWR bridge
RFI and computers in the shack
A new twist for the HF J-pole antenna
A lightning protection system for your shack
1989
The spark zapper
1990
Low-band verticals and how to feed them
A transverter for 10.368 MHz
1991
The practical aspects of VFO design