A giant sized FSL and active Ferrite antennas

[ka3jjz]

From the SLWing.com blog

Guest Post: Pavel’s Homebrew “Monster” Drain Pipe FSL Antenna

Many thanks to SWLing Post contributor, Pavel Kraus, for the following guest post: Building a Drain Pipe FSL Antenna by Pavel Kraus Hi, I greet all DX fans and the entire SWLing Post community! I e…

swling.com

Mike

 

[iMONITOR]

Wow, just wow! I can't imagine what would happen if you got caught by the TSA with that in your carry-on luggage!

 

[wirelessfreek]

If anyone is looking larger size ferrite, search for "High frequency welding ferrite" on AliExpress. I made a great lightning & Natural VLF radio antenna from three 25mm x 200mm ferrite rods glued at the ends and placed in a ABS pipe.

 

[merlin]

That is an interesting design.

 

[4nradio]

For comparison, here's my article on a different design technique for Ferrite Sleeve Loops:

A New Approach to FSL Antenna Construction