Category Archive: Hacks

Oct 09

QRP Labs VFO Review [Spoiler: we love it!]

I’ve had the QRP Labs VFO for many many months now and it’s about time I got around to actually writing a review of it. When I originally purchased my BITX40, it did not come with a digital VFO. With the analog VFO, tuning was an exercise in futility. I had never owned an HF …

Continue reading »

Sep 18

Catching up with MiscDotGeek: September 2017

It’s been a busy month at Chez Geek. This post involves an improvised lathe, a burrito, Linux, antique cast iron, and a duck. We’ve been working on projects off and on, and have had some family health issues to muddy the waters as well.  Rather than tell a big long story, here’s a few headlines …

Continue reading »

Aug 10

Converting the BITX40 to 20M

20m BITX40 conversion [UPDATE 8/18/2017]: After further experimentation I have found that the LPF must be switched at both ends. Read further for more details. In a Previous Post, I wrote about adding an 80m Band Pass Filter and switching it out for the 40m filter, essentially adding a second band to the BITX40. That works …

Continue reading »

Jun 08

Converting the BITX40: Dual Band HF Radio

One of the beautiful things about the BITX40 is that it is very hackable. If you want to add a feature to it, it’s almost certainly possible. In a previous post, I showed a quick and dirty way to add 80m to the BITX40 by bypassing the Band Pass Filter. That method works, although it’s anything …

Continue reading »

Apr 19

BITX40: Vox for digital modes

Last week I talked about Going Digital with JT65 on the BITX40. In that article I mentioned that to key the radio automatically either a computer interface  or a Vox circuit would be needed. It was my intention to use a vox circuit. I posted to my usual haunt, the BITX40v3 group on Facebook and asked …

Continue reading »

Older posts «