QRP UnUns for sale (Dutch Only)
QRP UnUns (Alleen Nederlands)
PD5DJ Articles
MiniBook – Just a Simple Logbook
The Story Behind MiniBook: A Compact, No-Installation Logbook Solution MiniBook was created with a clear vision in mind: to provide radio enthusiasts with a compact, straightforward, and portable logbook solution. Unlike many of...
New portable setup for my IC-7300
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...
New 5 Elements LFA for 2M
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...
New portable Telescopic mast
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...
Fixing 10/11m 5/8 Vertical
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...
Thesis Koos Fockes about Man-Made Radio noise
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...
Battery Box upgrade
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...
Tuner functionality added to Portable Setup
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...
Utility Boxes for Baluns & UnUn’s
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...
New update, editting and exporting to ADIF now possible
Dude you are a true inspiration for HAM's. Just love how you live the HAM life. :)
Hi tomasz, Glad to hear you like it. ADIF is not the ideal format for editting specific logs inside the…
Hello, you have made a very nice program MiniBook. It would be great to have the opportunity to make corrections…
How to use it on my android mobile.. No usefull guide. ? How to send cq. How to answer somons…