Monthly Archives: May 2017

Review of Chameleon P-Loop Magnetic Antenna (#70)

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

Posted in Ask Dave, Ham Radio blog entries, Video | Leave a comment

Help me test the Chameleon P-Loop (#69)

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

Posted in Ask Dave, Ham Radio blog entries, Video | Leave a comment

QRP-Labs Ultimate3S WSPR Kit Assembly and Review (#68)

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

Posted in Ask Dave, Ham Radio blog entries, Video | Leave a comment

Review of MFJ-1886 Rx-only Antenna (#67 MFJ)

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

Posted in Ask Dave, Ham Radio blog entries, Video | Leave a comment

DM-R5+ and GD-55 DMR Radios Revisited (#66)

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

Posted in Ask Dave, Ham Radio blog entries, Video | Leave a comment

MFJ 1788 Loop Antenna Fixed (#65)

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

Posted in Ask Dave, Ham Radio blog entries, Video | Leave a comment

Another Try Fixing the MFJ-1788 – Fail! (#64)

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

Posted in Ask Dave, Ham Radio blog entries, Video | Leave a comment

Review of MFJ-1788 Mag Loop Antenna (#63)

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

Posted in Ask Dave, Ham Radio blog entries, Video | Leave a comment