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 understand the programming, but it works well and I plan to keep using it permanently. Thanks, Mike!
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!
Last December I unboxed the Baofeng DM-5R+ and the Radioddity GD-55. Soon after several repeater operators said these radios were banned from their networks. This video looks at why that is so and how the radios don’t meet current American practices and technical requirements.
After several videos and disappointments, the MFJ-1788 Hi-Q Loop Antenna didn’t work on 40 m. Now it does! I took it apart to discover that the big capacitor was not fully meshing because of a mis-set limit switch. See how it works!
This video reviews the MFJ-1788 magnetic loop antenna, which purports to cover 40 meters through 15 meters. It doesn’t cover all of 40 meters, and 40 meter performance is poor, but 20 meter performance is indistinguishable from a good vertical. MFJ has given me suggestions for 40m, which I will address in a future video.
In setting up an apples-to-apples comparison between my vertical and the MFJ-1788 loop, I’m running the coax through the same type lightning surge protector as used on my vertical. This video explores the Transi-Trap and describes how it works.
My old, long-dormant Heathkit coax switch will be part of the setup I use to test two loop antennas: The Chameleon P-loop and the MFJ-1788. This video shows everything coming apart, how to use the Deoxit, and how it all goes back together.
I’m always on the lookout for antennas that might help those with deed restrictions or living in apartments. The MFJ-1788 is a small 3-foot-diameter HF loop tha covers 40-15 meters and will handle 100 watts. This unboxing video shows what comes with it and peeks inside at how it works.
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