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David Crawford
Reviewed in the United States on August 1, 2024
This toroid was driven into saturation by a broadcast station 10 miles away when used for an UnUn with a longwire. That tells me it will also saturate when transmitting and would generate spurious harmonics, but I could not get it to tune up with the particular radio I was using. It also rolls off at 20 MHz, not the specified 60 MHz for Fair-Rite type 52. I don't know what this material is, but it is not type 52.
J.C
Reviewed in the United States on May 22, 2023
Good quality item
R. Queen
Reviewed in the United States on August 11, 2022
Used three of these with high voltage teflon/fiberglass wire for a 4:1 Guanella Balun. They work well. Would buy again.
kindle user
Reviewed in the United States on November 27, 2021
Using this to build a ferrite choke for a G5RV antenna with 17 turns of RG58 cable. Should give me something much better than the air-wound choke ("ugly balun") recommended by some purveyors of this multi-band, dipole antenna. Item was carefully packaged and arrived in perfect condition.
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