CI-V Tuning aid for ICOM Radios
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...
Category: Homebrew
Signal Splitter box
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...
Portable ATV Receiver
A while ago I came up with the idea of building a portable ATV receiver. Important features of this receiver had to be: 1. Large screen with real noise (no fake noise) 2. Of...
New Symmetrical Antenna system for HF
I’ve been thinking about setting up a symmetrical antenna system for a while now. That is, Ladder line fed dipole. I did a bit of measuring and was able to stretch 2 x 9m...
Universal DCD for 1200bd Packet modems.
Since I’m working with packet again, you encounter all kinds of problems and then have to solve them again. The same now. I recently purchased an AEA PK-88 packet modem. Only this one has...
New Portable setup
The summer of 2023 has ended, as well as portable operations. What I have noticed during my activations is that QRP can be a lot of fun, but also too challenging. If you want...
Working satellites portable
On July 26, 2023, I gave a demonstration at the NVRA on how to connect via one of the TEVEL satellites. We were lucky, because on this evening we had a nice pass with...
Homebrew Manpack for my IC-705 and accesoires
If you have some time on the weekend to work portable. then you don’t want to spend a lot of time setting up and connecting my equipment. especially if this is the same setup...
ATV Receiver project
Some time ago, Hans PE1ICE developed a compact ATV Receiver that could demodulate FM audio and Nicam audio also. Link to project: https://nvra.net/index.php/nicam-decoder/pe1ice-nvra-mini-atv-ontvanger/ All that was needed was to install the receiver in a...
Getting better 10GHz reception, modifying the mast :-)
Reception at 10Ghz can be quite a challenge, especially if you can receive the station to be received on the edge. I really had the problem that the signal went up and down even...
HB9CV 3.5m Project
A friend of mine Gertjan PA3FZB who is crazy about 3.5m broadcast “amateur” stations 😉 recently came up with an article about a HB9CV design for 3.5m. He asked me if I could build...
23cm Yagi Antenna building
First attempt to build a 23cm Yagi I had been looking for an antenna for 23 and 13cm for a while now. As I wanted to listen to SSB and Amateur Television stations. Now...
Diamond MX62M Diplexer Modification for IC-705
Simple conversion description MX62M with BNC Connectors UPDATE! 02-07-2023 I have replaced the BNC Pigtail cable with a fixed BNC Panelmount version instead to be more flexible. Recently I was looking for an...
Magnetic Loop Controller update
Update! 30-12-2022 It’s been a while since I gave an update on the Magnetic Loop controller project I’m working on with Rob PA5RH. The purpose of the Loop Tuner was that it can tune...
Magnetic loop construction – PART 2
Some time has passed, and a lot has been done so far. Construction Tuning Section First I had to find a way to mount the vacuum condenser on the mounting plate. Because I print...
Start of build Automatic Magnetic Loop controller – PART 1
Recently my colleague, Rob PA5RH and I came up with the idea to build an automatic loop tuner. Rob is busy with the software part where I have already started on the mechanical part....
ATU-1000, 1KW Automatic Antenna tuner
TUNER IS FOR SALE As I have succesfully built the ATU-100 kit, I decided to go for a beafier ATU kit. Some weeks ago I received a kit from Ali Express. The ATU-1000 Automatic...
ATU-100 Antenna Tuner
Recently I purchased a ATU-100 Antenna tuner kit from Aliexpress. I have purchased this kit because the internal tuner of my IC-7610 has a tuning limit of 150ohms / SWR <3:1 as most internal...
CC41-A fake HM-10 Bluetooth module, let’s get it working!
How to get the CC41-A to work with your applications. I have bought several of these fake HM-10 modules, called CC41-A Left one is the original HM-10 module, in the middle is the fake...
