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. …
Category: Amateur Radio
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 …
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. …
Nov 26
40 Meters for $45: The BITX40 SSB Tranciever project.
This time around we’ll talk about an exciting radio: The BITX40 kit from hfsigs.com in India. More about that in a minute! The most expensive thing about ham radio is not getting your license. In fact that’s probably the single cheapest part of the whole hobby! Just some study time and $15 to take the …
Nov 16
Amateur Radio: Dissipating Static Electricity on wire Antennae
We’re trying to get my friends station setup complete. We got his radio installed, and an End Fed Half Wave (EFHW) 40-20-15-10M antenna installed. The problem is that electrical noise is fairly bad on it, and he can hardly hear some signals. One solution to this is to make an RF Choke out of extra …
Nov 16
Amateur Radio: Upgrading from Technician to General
As mentioned in a previous post, I’ve been slowly getting back into ham radio. When I started with Amateur Radio in 1996, there was a Morse Code requirement for all but the No-Code Technician license, which had privileges mostly in VHF bands, above 50mhz. There might have been some 29mhz (10 Meter) privileges, I don’t …
Sep 29
Getting Back into Ham Radio (aka UV5R Basics)
Getting back into ham radio was a long drawn out process for me, and I must admit it’s still ongoing. I don’t necessarily need it for anything, and I’m not one to just sit and chat with strangers, or get into a club of any sort. It’s just not who I am. But, I did …