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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: Ask Dave
Here’s a look at an MFJ-849, a nice digital power/SWR meter that MFJ sent me. It works well and has solid quality. It also requires no button pushing to get forward and reverse power and SWR because they’re all shown … Continue reading
Come enjoy Field Day with us! Here are some slides showing Montrose (Colorado) Amateur Radio Club’s Field Day event. The purpose of Field Day, held at the end of June, is to practice using our radios “in the field,” such … Continue reading
Here’s a great receive-only HF antenna good for stealth scenarios or just putting a receive antenna in a much quieter place. This antenna is the direct cost and performance competitor with the MFJ-1886. The W6LVP loop is better at stealth … Continue reading
I get lots of questions about baluns. This video explores baluns and gives demos. A balun is a device to convert a balanced transmission line to an unbalanced transmission line and vice versa. You can see a list of Ask … Continue reading
I’m new to Times Microwave LMR-400 coax cable, often considered the best in ham radio (and rather expensive). I purchased 500 feet for future antenna projects. Learn with me as I attach a PL-259 connector! You can see a list … Continue reading
Here’s a review of the MFJ-1835H (high power) cobweb antenna. It has a very small footprint and can be a great stealth antenna. I found myself really liking it. Join me for unboxing, assembly, and testing. If you have limited … Continue reading
Here’s my review of the Chameleon P-Loop magnetic loop antenna. I show some use cases for which this antenna is particularly suited. The video provides lots of info about the antenna. Thanks to all who participated in my tests last … Continue reading
Give me a hand testing the Chameleon P-Loop. I’ll have it set up under portable conditions on Saturday, May 27th, from 10 a.m. to noon US Mountain Daylight Time. I’ll be calling CQ on phone around the bottom of the … Continue reading
Michael Lloyd, NE5U, sent me several kits from QRP-Labs. I put together the various subkits required for the WSPR auto beacon. Interesting project that you might want to emulate! It took some real doing to get the right instructions and … Continue reading
From unboxing to mounting and testing, this is a great little antenna. Its receive performance matches that of a more traditional vertical as well as MFJ’s 1788 loop antenna. Watch unboxing through testing. MFJ sent me this antenna for review–thanks! … Continue reading