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Category Archives: Ham Radio blog entries
Previous videos explored aspects of building the BITX-40 SSB QRP rig. This video explores the operations aspect. Fun little rig! Ashhar Farhan photo courtesy Nagasai Nath. You can see a list of Ask Dave videos by clicking here. You can … Continue reading
Folks have asked for a way to watch the Extra videos offline. So, now they’re available at full resolution on a 64 GB “thumb drive” for $49.99, postpaid in the USA. You can see a list of Ask Dave videos … Continue reading
Dave gets an amp! I’ve mentioned it incidentally, but here’s a whole video on the HF amp and its power supply. Even though it’s many years old, it’s performing reliably and consistently. You can see a list of Ask Dave … Continue reading
In this fourth video on the latest BITX-40, which includes the Raduino VFO, I review the construction process–how to put the parts and pieces together. You can see a list of Ask Dave videos by clicking here. You can ask … Continue reading
This is the third videos about my BITX-40 kit, a QRP, SSB, 10-watt, kit from hfsigs.com. The basic kit is only $59, and comes with assembled circuit boards. This video covers connecting all the other components. Many thanks to K7AGE … Continue reading
What’s DX? How does it work? Is it something you want to do? Give it a try! This video tells how. You can see a list of Ask Dave videos by clicking here. You can ask a question by clicking … Continue reading
The previous video showed the unboxing. This video shows how I plan to mount it in the box it came in. After testing, I’ll find a more permanent box. You can see a list of Ask Dave videos by clicking … Continue reading
I learned about the BitX-40 from Randy, K7AGE’s unboxing video and immediately placed an order. It arrived today a few weeks after I placed the order (it’s a long way from India!). I’ll put it together in a future video. … Continue reading
We use sound cards for lots of digital modems. Why? This episode explores the history behind creating the tones we put on the air. You can see a list of Ask Dave videos by clicking here. You can ask a … Continue reading