PD5DJ/P
This summer (2023). I am more active than ever portable. At the beginning of the season I started with my IC-705 to get out and work QRP. At the same time I have also...
Author: pd5dj
Portable Satellite Antenna
Now that I’m more portable, I wanted to do something with amateur satellites again. I mainly want to do this with the IC-705. Unfortunately, the IC-705 cannot work full duplex. So we depend on...
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...
40m Deltaloop for NVIS
I’ve always been interested in all kinds of loop antennas. This is because closed systems are generally less sensitive to QRM and therefore receive more quietly. What I’ve been wanting to try for a...
Refurbishing Glassfiber Poles
I have always been a big fan of army dump camo net poles to use as a mast, both portable and fixed based. These were always widely available for a nice hobby price at...
Portable with the IC-705
Recently I was invited to my old model flying club for a cup of coffee 🙂 Excellent opportunity to test my IC-705 in peace. Used antenna: an EFHW on a 13m portable mast. At...
Adjust LNB L.O. (BT-180) or any other DRO LNB
Recently I got my hands on a very good performing LNB for 10 ghz amateur television. Available on aliexpress under the name BT-180 with an LO of 9GHz. There was only a slight problem...
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...
FAQ – How to connect my Rotator Interface to a Rotator
Some people asked my some questions about how to properly connect my Rotator interface to their rotators. Most common questions are: My rotator will not rotate back when rotation is at max position. I...
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...
FT8CN – Android based FT8 software
Recently I found the program FT8CN while doing some research on the internet about portable FT8 possibilities. My eye also fell on this app, because I had never come across an android app that...
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...
ATV Experiments
Since I’ve been active with the hobby again, I try to pick up every facet of it again. And so is ATV 🙂 Previously I was very active with 70cm ATV at our club...
Leo Inside my IC-9700 :-)
Last week I ordered a Mini GPSDO + 9700 injection board from Leo Bodnar. http://www.leobodnar.com/shop As I want my radio to be solid as a rock on 23cm for digital modes. The need for...
BigWheel antenna for VHF
Recently I got a call from my local dealer that I could finally pick up my long pre-ordered Icom IC-9700 🙂 The only antenna at the time I had for VHF/UHF was a Diamond...
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....
