Here are my experiments and modifications with an EFHW (end-fed half wave) based on the VK4YE design, testing, 80m loading coil, the coax counterpoise, and the common mode toroids. This allows a antenna for smaller spaces and backyards.

The BEST Multiband HF Antenna for Limited Spaces! 👉 [ Ссылка ]

Toroids 👉 [ Ссылка ]
FT-240-43 👉 [ Ссылка ] (Amazon)
FT140-31 👉 [ Ссылка ] (Amazon)

VK4YE
[ Ссылка ]

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⏱️Chapters⏱️
00:00 5 Band End Fed Design by VK4YE
1:34 Antenna layout
2:24 Building the 49:1 Unun
3:53 80 Meter Loading coil
6:00 Common Mode Current Choke
08:58 SWR Results
13:07 How many toroids should you use?
15:15 A Full Size 80m EFHW is actually a multiband antenna!
16:14 Adding 160m capability

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