XPost: rec.radio.amateur.moderated

PE4BAS Amateur Radio Weblog

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New antenna project & visiting radio rally

Posted: 28 May 2022 02:37 PM PDT https://pe4bas.blogspot.com/2022/05/new-antenna-project-visiting-radio-rally.html


Had some days off the job. Finally started the new antenna project. Have written about that before. It is a square halo design which I saw on the
PA9X site at first. I will first try with a 20m halo only, Just to see if
it meets my expectations. More pictures will follow when progress is made.
If all goes well I will try to make it a multiband halo. The difference
with the antenna PA9X made is that I use a fiberglass "boom" to hold the
balun box.
It has been a while ago. The covid-19 pandemic....well all is slowly
returning to normal. There finally was a radio rally I like to go to. I
went to Beetsterzwaag village together with a new colleague which also is a newly licensed ham PD8HW. It's fun to have another radio hobbyist at the
job. I have to say it was fun. We met a lot of people and of course we
bought some (old) equipment.

Some fun things we saw...
I had to look for a variable coil of some sort just because of the value in money. Not that I found it. But I found some variable coils and this one
looks like it is completely home made. The value was 15 euro (about 16 USD) which is cheap I think. Imagine the effort someone made to fabricate this.
I did not buy it. I bought a large variable capacitor to use at some future antenna project. I might buy a nice variable coil someday.









Some capacitors I saw when wandering around. Better be careful with charged ones. 18000uF is quite a large capacity.

















This is an item I have question about. Anyone that can tell me how this
works? At first I though it would receive beacon signals and display it
with LEDs blinking. But there is no receiver or receiver connection. Only a power supply input. I think it is a clock of something showing when a particular beacon is on air? And how is the time sync working? It might not
be so difficult of course...
It is probabely pre-computer. There are far more sophisticated systems
these days...however it is intriguing.

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