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nanoVNA - Experimenting with a LoG Loop on Ground Antenna & X-Phase QRM Eliminator 11 месяцев назад


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nanoVNA - Experimenting with a LoG Loop on Ground Antenna & X-Phase QRM Eliminator

0:39 Laying out the loop on the ground antenna. 1:30 Measuring the loop’s impedance. 2:18 Doing some math.. selecting an impedance transformation ratio to match the antenna to 50 ohm coax. 3:06 Building the transformer. 4:47 An amazingly funny Ham Radio joke! Lol! 8:32 Measuring the transformer using the nanoVNA. 10:24 The final transformer build, including enclosure. 11:08 Trying out the LoG antenna under heavy local noise conditions. (Powerline arcing). 11:38 Trying out the LoG antenna under good conditions, and comparing receive to the dipole. 12:02 Another comparison between the dipole and the LoG under moderate local noise level conditions. 12:24 Conclusions based on my observations and introduction to the X-Phase QRM Eliminator… 13:07 Using the LoG antenna to phase against the dipole to cancel out a local noise source. 14:22 Final words. References: http://www.kk5jy.net/LoG/    • KK5JY "LoG" Loop on Ground low-band R...      • Loop on the Ground Antenna - Part 1 of 4  

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