One thing which always bothered me when operating “portable” is the logging process - logging the contacts on paper and then entering them i...

Spotty - the HAM CAT! "A mouse! On my operating desk?!! " "It is nice to have a callsign! I can dream about DX now!" ...

Since I started using the LP-100 watt meter some time ago, I have not touched my old Bird 43. The LP-100A is one of the best on the market a...

I finished building my second LP-100 wattmeter - this time it is the LP-100A. LP-100A is the newer version, equipped with nice graphic VFD...

I wanted to protect my SteppIR BigIR antenna from accidental Tx while the antenna is tuning. SteppIR antennas can be damaged by high-power T...

In general, HF power amplifiers (especially those in the kilowatt range) have very high current demand when supplied with 120V AC. They work...

This is an old modifications I did a few years ago. I moved the KPA100 amp of my Elecraft K2 together with the KAT100 antenna tuner into an ...

Finally I am done with the reorganization of my shack. Late last year, I re-did all of the cables, reorganized them and made easier to navig...

Late last year I went through a complete re-organization of my station. Over the years I was trying to keep it neat and organized but const...

Here is a list of some of the equipment I am using. I am really happy with my current configuration and I am not planing any major changes i...

Today one of my favourite science-fiction authors - Sir Arthur C. Clarke passed away. He was 90 years old. Most people know him as the autho...

TX5C went QRT . This DXepedition was a total disappointment IMHO. No need to say that I didn't have the chance to work it. I cant see w...

I have installed a "Matched Pair" of RF Parts Inc. Taylor 572B tubes in my Heathkit SB-200. As it turned out, one of the original...

The amplifier is finally done! It took me over a month, working a few hours on the weekends. The rebuild is dedicated to my patient and unde...

As I mentioned before, all of the wiring and most of the components of the amplifier were replaced. These old amps are using carbon-composit...