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K9AY Loops
- A comparison of the real estate needed for four EWEs and the K9AY Loop system shows that the loops need only 1/7 the area of the EWEs, yet they provide the same directional patterns
post 01 Jan 2025
Antenna Shortwave Links →
Shortwave Antennas Loop
Here are some photos of the Shortwave Loop Antenna assembly to help you with putting it together
Skywire Loop Antenna
Below is a rough diagram and some photos of my skywire horizontal loop antenna. It is roughly 475 feet long and fed with 450-ohm ladder line
The Carpet Loop A High Performance Indoor SW Antenna
Active antennas are expensive, apt to generate as much noise as signal, and are prone to overload
Two Tube Doerle
This radio uses two #30 tubes and operates on batteries. It has shortwave coverage in two bands, 4.8 to 7.5 MHz and 7.3 to 12.0 MHz using plug in coils
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Here are some photos of the Shortwave Loop Antenna assembly to help you with putting it together
Below is a rough diagram and some photos of my skywire horizontal loop antenna. It is roughly 475 feet long and fed with 450-ohm ladder line
Active antennas are expensive, apt to generate as much noise as signal, and are prone to overload
This radio uses two #30 tubes and operates on batteries. It has shortwave coverage in two bands, 4.8 to 7.5 MHz and 7.3 to 12.0 MHz using plug in coils
Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice
Amateur radio kits by Kanga US
Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters