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Another place to buy is from RF Microwave in Italy:

Hi Bernstein has THE tool to do things like this: https://www.bernstein-werkzeuge.de/en/products/adjustment-tools-trimmer/ I LOVE mine and you can buy them from retail shops, e.g.

In the case of the QCX, it's only required for adj of C1. Any non conducting tool is suitable, there should be little resistance to movement with a trimmer cap. A nylon tool with a snug fitting blade

Thanks for the info Terry. I was looking at ones on Amazon and eBay. The ones I saw are not expensive but I would prefer quality if possible. I have some ancient alignment tools that I bought from

I bought a set of the cheap ones off Ebay. My experience is, if there is any resistance to turning in the core, the ends snap off. You also have to make sure the end of the ceramic tool is a snug fit

John, That's what I thought. Thank you. -- William, K6WHP "Cheer up, things could get worse..so I cheered up and, sure enough, things got worse!"

I am putting the finishing touches on my QRP Labs 40M QCX Transceiver. I just watched a great video on the QCX by Hans Summers. In the video Hans is using a Draper "Expert" 2.6 x 15mm Ceramic Blade to

Hi William, Looked around a little. L15 appears to be Ferrite with initial permeability between Fair-Rite 43 and 31. Choke, Guanella, Balun Ferrite material used is US is often Fair-Rite 43 or 31.

Anyone know what this is? Can anyone suggest a suitable replacement for this core in order to make a Guanella 4:1 current balun. Thanks in advance. -- William, K6WHP "Cheer up, things could get

I noticed that the board image is flipped, so I have attached the original version Al ve3gam

attached are some pics I took of the kit and its parts cannot figure out how to insert these images into the email text, so they have been attached Al ve3gam

Hi, Thanks, but a VE3 is going to send me the info. He has one and will dig it out for me. I'm guessing it's from the 80's or early 90's. Charlie, K3UIM

Wolfgang, I've added photos of my rig and the waveforms at the locations that matter in the VFO section. They were measured with a Rigol DS2202E Scope using a 10X probe. One thought that I had is to

You can find a backup of the Ramsey website at the 'Internet Archive's WaybackMachine' site at https://tinyurl.com/y5gcjx32 I took a quick look thru but couldn't see a HR-1 - hopefully you can.

I had a similar experience when I acquired a still unopened Howes VFO kit. I knew the model number, and that it was from England, but not much else. I sent a request to the G-QRP people and the group

Al, The big question is, "What frequency? Is it 40 meters?" I'm hoping!! Hi. Charlie, K3UIM

Thank you, Al! Charlie, K3UIM

Hello to all, I'm impressed by the amount of interest to my question. I have got now all the information for building the kit.Many thanks to Mark, Paul, Neil, Oliveira and especially to Michael who

Wolfgang, Have you verified that your local oscillator is putting out a signal with another receiver or oscilloscope? I would start there first. On my back burner project list is the desire to build

OK, you know the drill, lets all get together this Saturday July 6th at Fuddruckers Hamburgers, I-17 and Dunlap/Olive about 10:45. Bring along any new conquest, project etc you would like to share