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Category Archives: Ham Radio blog entries
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
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 … Continue reading
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 … Continue reading
My MFJ-1788 Loop Antenna is having issues on 40 meters. This video looks at a failed remounting attempt, plus at a viewers successful approach. I’ll keep plugging on this antenna! You can see a list of Ask Dave videos by … Continue reading
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. … Continue reading
To test the new HF loop antenna, I need a long piece of coax. In this video I mount the connectors. You can see a list of Ask Dave videos by clicking here. You can ask a question by clicking … Continue reading
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. You … Continue reading
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 … Continue reading
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 … Continue reading