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I use the tiny and inexpensive automatic antenna tuner from elecraft with my QCX. Works great!

Simon, Hans did the work, for his radio design.? It would be out of place for me to do more than comment on it.?? That being said he did the work!? By treating the device as a high performing RF

Deserves a YouTube video tnx

Chris Another way to look at it: even if you may argue that the LF does not care so much about a little longer wires, you are usually dealing with MOSFET devices like the IRF510 which have plenty of

Its very simple, IF you want long leads stay near DC.? Look leads for high current fast rise time pulses are essentially no different hat upper HF to VHF CW signals.? Think of this way would you

I hope I do not repeat something well known, but the best method for cleaning the wire regarding insulation is Aspirin, also known as acetylsalicylic acid (ASA). Heat the wire with a hot iron over a

Jeez, now you're talking! As it happens, I'm about to retire in a couple of weeks. Was planning to talk about IBM machines with 4K of real iron core memory, 8 inch floppies, hard-sectored 5-inch

Roger, Better a 36 pin Centronics with quick-release spring clips:-) 73 alan G4ZFQ

Hello QRPLabbers, Friday, August 24, 2018 I read a lot of posts where whoopsies in the builds occur and people struggle to remove IC's for replacement, does the design lend itself to have all or most

My two cents. There has been discussion about battery packs, and ATU's. If the case could be designed so it could mate with a similarly sized (in width, or depth if mating to the side would be easier)

Hi Hans, All non-binding and waving a white flag... :-) Perhaps as a fork off the how big case question. The idea of a full featured radio for trails is a big plus, however DSP horsepower my consume

Thanks Hans, Every magic trick is unremarkable to the skilled magician, while the dilettante audience (me at least) looks on in wonder. Looking forward to your writeup. 73 Simon VK3ELH

Hi Simon, I will try to write it up nicely in the documentation. I think there isn't magic. Layout is very important. The PCB is compact and there is groundplane everywhere as much as possible, and

Allison, Not sure if this should be for you but do you know if there will be a writeup on the design of the PA circuit akin to the one Hans did for the QCX? From what I've read I feel like this PA

Hi Ken Yes! The suggestions are all very useful! A couple of the requests were a bit far out. But many were new ideas, and very much appreciated. I'm sure that many will make their way into the

All excited future kit builders, hey, when did we ever get to put our dreams and desires for a rig into the early days of design? with any of the 'bigger' manufacturers where we were listened to and

I prefer to use a folded piece of very fine grit sandpaper. Just pull the wire end through the folded sandpaper a few times and the varnish is gone. No knicks…just bare wire! Sent: Wednesday, August

I'd like it to be able to operate my toaster too, if possible.

from 50 years as an electrical engineer: The latest "improvement" is always the source of the newest problem. If you want an all band, all mode, transceiver with internal ATU and Battery, Elecraft

Tries double clicking left button and clicking right button. Did not cancel RIT -- Have a GREAT Day Tom KS5X@... --- This email has been checked for viruses by AVG. https://www.avg.com