Category Archives: Video

BITX-40 Fix for Galloping VFO

The BITX-40 Raduino-based VFO has a horrible habit of galloping up or down the band at the most inconvenient times. This simple mod fixes the problem. You can see a list of Ask Dave videos by clicking here. You can … Continue reading

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Review of BITX-40 SSB QRP Rig Operations

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

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Amateur Extra Videos Now Available on Thumb Drive

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

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Ameritron ALS-500M Amp and MFJ-4275MV Power Supply

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

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BITX-40 Construction Review: KEØOG Kwickie

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

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Assembling the BITX-40: KE0OG Kwickie

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

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DX and the Radio Amateur: Ask Dave #47

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

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BITX Strategy–How to Assemble it

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

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Unboxing the BITX40 SSB QRP 40-Meter Rig

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

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From Data Modems to Sound Cards: AD #46

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

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