The simplest, most cost effective feed line choke is a ferrite ring installed as shown in the picture (at the antenna feed point) to stop feed line radiation or at the radio end of the coax to suppress common mode coax noise current on the coax braid.
Great choke for log periodics, HF beams, Transceiver/Amp isolation
Improves antenna pattern by preventing your dipole from becoming a tripole
Suppresses pesky coax braid radiation and RFI
Reduces coax braid common mode current up to -40 dB ( 6 “S” units) on receive
Use one choke for each antenna feed line
Add a double female barrel connector to act as an “extension” of the existing coax.
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FSB Mix 75 - RFI Range: 150 Khz-10 MHz
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FSB75-1/2, ID=1/2", RFI Range 150Khz-10 MHz
FSB75-1/2, ID=1/2", RFI Range 150Khz-10 MHz
SKU FSB75-1/2-1
List price $15.95
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$12.95
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FSB75-1/4, ID=1/4", RFI Range 150Khz-10 MHz
FSB75-1/4, ID=1/4", RFI Range 150Khz-10 MHz
SKU FSB75-1/4-1
List price $19.95
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FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz, 10 Pack
FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz, 10 Pack
SKU FSB75-3/8-10
List price $119.50
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$99.50
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Ferrite Mini Snap On Combo Pack, Mix 75, RFI Range 150 KHz-10 MHz - 6 filters
Ferrite Mini Snap On Combo Pack, Mix 75, RFI Range 150 KHz-10 MHz - 6 filters
SKU FMSCP-75-6
List price $85.00
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$79.95
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Ferrite Snap On Combo Pack, MIx 75, RFI Range 150 KHz-10 MHz - 8 filters
Ferrite Snap On Combo Pack, MIx 75, RFI Range 150 KHz-10 MHz - 8 filters
SKU FSCP-75-8
List price $140.00
Save 22%
$109.50
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