Monthly Archive: December 2016

Dec 29

BITX40 VFO Alternatives (and more!)

The BITX40 is a great radio but before they started shipping with a digital VFO, the BITX40 VFO was a big hurdle to getting on the air. The VFO is what tunes the radio, and the BITX40 VFO isn’t very stable. This can make it hard to stay on a frequency once you tune to it. …

Continue reading »

Dec 28

BITX40: L-Match Tuner for an End Fed Antenna

Can you hear me now? With my BITX40 in a temporary enclosure and with the PTT switch and Mic connected, it was time to try to make some contacts. I’d tuned the trimmer capacitor next to L4 it so that I could get into the upper part of the US 40M band and ended up …

Continue reading »

Dec 04

BITX40 Project Progress

A week ago I showed you the BITX40, a 40 Meter SSB radio for $45 from hfsigs.com in India. The kit arrived, and we’ve managed to put it together without letting the magic smoke out! Let us look at how the kit arrived and a minor challenge that was overcome. Unboxing the BITX40 was quite interesting. …

Continue reading »