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Click here for Dave's commercial site, www.mtsneffelspress.com, where you can order Dave's fantasy books and other books by local authors. One very popular book I publish for the local railroad museum is about historic narrow gauge railroads in the San Juans.
Category Archives: Product Reviews
Description – PowerDirector15 http://goo.gl/FLPbnK. Here’s an out-of-cycle video describing the video editor I rely on heavily in the production of the Ham Radio Answers and Ask Dave videos, as well as the Tech, General, and Amateur Extra training videos. Note: … Continue reading
Roberto Arranaga, KX4CY, felt that commercial small HF loops were too expensive, so he’s made his own for sale at www.pracomm.store which has an interesting tuning method using a wide range tuner (such as the MFJs). I tried it and … Continue reading
These are both 20 meter single band wire antennas (also available for other bands). This video reviews the “how it works” followed by tests for each, and explains how I got the Zepp to work. I particularly like the collinear … Continue reading
MFJ sent me four wire antennas for evaluation. They are the MFJ-1984MP, MFJ-9232, MFJ-6220, and MFJ-6120. This short (a record for me!) video is the unboxing. Scroll down for more You can see a list of Ask Dave videos by … Continue reading
Unboxing the not-yet-released Radioddity GD-77, their “try again” DMR Tier 1/Tier 2 radio. I describe many of the promised features. It’s both analog and digital, and operates on both 2 meters and 70 cm. I should have the programming software … Continue reading
Here we are again, looking at the Chinese Radioddity GD-55+. The PLUS indicates they’ve made mods to solve the Slot 1/Slot 2 controversy. My testing indicates they’ve certainly gone a long way. They now cleanly transmit in only one time … Continue reading
Hams can use the PremWing FD-094B HDTV receive-only antenna for 2 meters and 70 cm. It’s surprisingly effective, giving me several SD and HD channels from Grand Junction, about 70 miles away as it bends over a couple mountains. You … Continue reading
I’ve never used a portable, rechargeable soldering iron before. This one surprises me: it heats quickly, charges quickly, and has easily interchangeable tips. Pretty cool, really. You can see a list of Ask Dave videos by clicking here. You can ask … Continue reading
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