Last summer I cycled a lot from park to park with my IC-705 and telescopic mast, with various experiments in terms of antennas. I have had a lot of fun with this, and will...
QRP UnUns (Alleen Nederlands)
There has been a lot of ES propagation lately. With my Bigwheel antenna for 2m I can make very nice contacts. Since the Bigwheel is approximately 5dBi, I wanted a little more gain and...
Last month, I visited the fair in Beetsterzwaag and came across the booth by EPS Antennas. Among their array of intriguing equipment, a +/- 11m telescopic aluminum mast caught my eye. It was a...
During a field activation I noticed that my 10m 5/8L Vertical occasionally performed poorly. I soon discovered that a solder contact had broken loose. Probably due to transport. With some trickery I was able...
ArticelsI recently found a topic on a forum referring to a thesis by Koos Fockens, Koos received his PhD from the University of Twente for research into man-made radio interference / noise. I thought...
In the summer of 2023 I started using a LifePo4 battery. I had made this in a bag for the time being, with all electronics loose in the bag. Of course this will cause...
Portable Setup Upgrades April 2024 I’ve made some additions to my Portable Setup. Auto tuner added, with a wider tune range. BalUn added to work with ladderline. Tuning Aid added. Auto tuner I had...
Lately I’ve been working a lot with Baluns and UnUn’s and Chokes. I always needed a new housing for that. These are ultimately quite pricey and sometimes difficult to obtain. That’s why I spent...
Updates 17-04-2024: Firmware v0.2 Almost every HF radio from ICOM has a Tuner connector, you know that white 4-pin connector at the back of your radio. Via this connector you can give a command...
Due to illness I had to enjoy myself a bit at home with the moments when I felt a bit good. I had small projects that were already finished but still needed to be...
Hoi Erwin, Bedankt voor je berichtje. De 7300 die heb ik al, en heeft een tuner en voicekeyer opties die…
Beste Björn, Leuk om te zien hoe je bezig bent met portable opstellingen. Wat ik alleen niet begrijp is dat…
Hi Jordan, My apologies for the late reply. Yes I can supply you with the STL files for the endstop…
1. Brillant the guide pulley, you cant loose the rope during Mast-Erection! 2. The guy clamp with integrated eyelets for…
Fantastic Job! Doing something very similar with a vacuum capacitor at the moment building a balanced L matching unit. I'm…