Author Archives: pd5dj

uBitx

By | July 24, 2018

Last week I have received a nice package from India 🙂 I have purchased a uBitx Transceiver from http://www.hfsignals.com It is a pre-built basic direct conversion radio designed by Ashhar Farhan VU2ESE. The thing that pulled me over to buy the kit is the possibility to connect a Nextion touchscreen display to it. I have quite some… Read More »

Create precision OSL loads yourself

By | June 30, 2018

To be able to calibrate the Analyzer properly (OSL), we need accurate loads. It is also important that the loads over the entire spectrum also function well, show no reflections or have other characteristics than a good load. This is quite easy to make yourself. 

EU1KY Antenna Analyzer

By | June 22, 2018

I have always wanted A good analyzer for HF up to VHF (2m) In the past I have build many Antenna Analyzers started with: Antan Analyzer VK5JST Antenna Analyzer Toghether with Jarek SP2SWJ we have built the BIGVNA MAX5 & MAX3 Big VNA Max 5 Max 3 Some weeks ago while I was surfing the… Read More »

New Antenna system for HF

By | May 31, 2018

Last week I have constructed a new antenna system for HF operations. 3 Years ago, I started with a 2 band FAN Dipole. for 10m and 20m. I have enjoyed operating with this antenna very very much. The only thing that was bothering me was that I could not operate on 40m. The lack of… Read More »

New – Bigwheel antenna for 2m

By | April 22, 2018

Yesterday I picked up a secondhand Wimo Bigwheel antenna for 2m. This antenna has somewhat more gain then my Homebrew SQualo. I have completely disassembled the antenna, and cleaned and rinsed all parts and elements. Also I had to create a new mounting bracket, as the original one was missing. Same as the SQualo antenna,… Read More »