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 course with built-in battery with builtin charger. 3. PE1ICE MiniATV receiver as base. 4. Switchable bias …
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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 of wire. I bought a new piece of 10m 450ohm ladder line a while ago. This …
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 no Hardware DCD. So you have to use your Squelch on your radio. To work with …
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 to continue to participate in the vast majority of stations, you will have to do your …
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 60+ degrees elevation. The hardware used for this evening: Radio: Icom IC-705 with 5W controlled 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 every time. I had several of the same fish carrying bags lying around. So I had …
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 housing. In the first housing I had based on a supply voltage of 12v. I also …
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 with a little bit of wind. The problem was that the mast on which the dish …
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 it for him. and so it happened 🙂 On the internet there is a very handy …
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 I had found some factory antennas online. Only the price.. hmmm.. For these prices I can …