Alpha OCF Dipole ‘Gorilla Wire’ Antenna

Starting at: $124.00

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This is the upgraded Alpha OCF (off-center fed) dipole ‘Gorilla Wire’ antenna.

Our engineers are proud to bring you a revolutionary housing that holds the;
1) Antenna’s 18 gauge ‘Gorilla Wire’ elements that has a break strength of 250 pounds.
2) Alpha Balun that surpasses other current balun performance results on a 200 ohm load.

Available in the following versions:
A) 6-40 Meters, which is 67 feet (44.5x22.5) long and offers coverage for the 6, 10, 20, and 40 meter bands without a tuner. You can also operate 12, 15, 17, and 30 meters plus the WARC bands with the use of a tuner.
B) 10-80 Meters, which is 133 feet (88.5+44.5) long and offers coverage for the 80, 40, 20, and 10 meter bands without a tuner. You can also operate 12, 15, 17, and 30 meters plus the WARC bands with a tuner.

All of these Antenna options include the ability to adjust for differing heights and surroundings, which is done by simply trimming the included extra wire from the elements. These antenna options can also be installed in an inverted V configuration, which changes the feedpoint impedance.

The 4:1 Alpha Balun is a current balun that delivers 200 ohm impedance characteristics for the radiating wire elements, while minimizing common mode current with the dual core design. This 4:1 Alpha Balun not the type used for a Windom, which has a vertical coaxial radiator with a choke balun at the end. This design enables the antenna to be fed with a standard 50 ohm coax. A weep hole is also in place on the SO239.

Alpha Balun results on a 200 ohm load

SWR Analysis with Balun under 200 ohm load

R, X, & Z Analysis with Balun under 200 ohm load

Smith Chart Analysis with Balun under 200 ohm load

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