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ACS Broadband HF
End Fed Vee Antenna

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PATENT NO 4,511,898

Another unique antenna from B & W!  Utilizing the same technology as our folded dipoles, the ACS antennas are grounded.  They are particularly well suited to usage with the ends mounted directly down to the ground, or on top of metal roofs for base stations.  Support this antenna with our MK112 roof top mast.  They offer fully automatic, low SWR operation over the entire HF band without need for an antenna tuner/coupler.  They are frequency agile, and will operate continuous ALE or frequency hopping.  They will propagate excellent NVIS, medium or long distance.

Besides impressive performance transmitting, this antenna design also delivers when it comes to reception.   The superior signal to noise ratio and a high impedance terminator allows reading the weakest signals that other antennas would lose in the background noise.  You even get automatic static bleed off from wind or thunderstorms.  

There are no mechanical parts like relays or motors to wear out, as in some other broadband tuning systems!   Ready to go right out of the box, no taps to change, no measuring, nothing to tune.  Designed for the military, built to last, priced for anybody's budget.  Fast and simple to deploy.

It's Simple . . . It's Reliable . . . It Works!



Why utilize a broadband antenna?

Usage Tips:  

Use stainless steel wire for base stations.  Use PVC insulated copper for camouflaged or temporary installations.

The antenna is terminated at both ends by ground stakes (not included.). The center of the antenna must be supported approximately 25 - 30 Ft  above the ground. A counterpoise wire (supplied) may be necessary to join the two ground locations, especially in roof top or other applications where uncertain ground conditions exist. The antenna is omnidirectional at the lower frequencies, with mostly high angle radiation useful for long distance. From approximately 5 to 15 MHz, the radiation at lower angles increases, and above 15 MHz the antenna becomes more directional in the line of the antenna wire, toward the balancing network. In applications where space is limited, the wire may be shortened without greatly affecting the VSWR, but lowering the radiation efficiency.

ACS-110N    -      Stainless Steel Wire, N Connector

ACI-110N    -      PVC Coated Copper Wire, N Connector

This antenna was designed at Barker & Williamson by the request of the United States Government more than 30 years ago.  Since then we have supplied tens of thousands of them to the U.S. Armed Forces and many other military organizations including NATO,  UN, international disaster relief organizations, emergency management operations, and countless commercial organizations around the world.  It is also a favorite among amateur operators.  They can be found on every continent in the world, including Antarctica.  From the desert, to tropical rain forests, to frozen tundra - we know that they are very tough and deserve their excellent reputation for performance worldwide.