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Butternut HF2V top hat mod


80 now has about 90 Kc's of bandwidth 2:1 compared to approximately 25 Kc's I had prior to the mod
post 14 Feb 2024
Butternut HF2V top hat mod

Antenna Vertical Links

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Home Brew 80/40 Meter Vertical Antenna
The total height of this antenna is 33 FT,the coils were make from 1/4 aluminum tubing

Installation 5BTV ground mounted with radials
This discussion serves to relate my experiences with quarter wave vertical antennas

Mono band antenna on 40 meters
The antenna itself is built with 4 sections of electrical conduit. 1 1/4, 1, 3/4 and 1/2 inch pipes were nested together to the right length and screwed together with stainless self drilling screws

Multi Band Vertical 10-80 metres
The 40 & 80 metre loading coils and capacitors. These are very tricky to tune. 3 to 5mm movement at a time


Take off angle of horizontal antenna

Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane

A remote antenna switch

A remote antenna switch An abiding dislike for bundles of cables running on the exterior of my house, so a remote antenna switch seemed like a good idea

5 element yagi antenna for 28.5 Mhz

5 element yagi antenna for 28.5 Mhz Gamma match will be made with a 1/2 "aluminum tube and a 75 cm coaxial piece of RG8 without sock and sheath inside the tube