4 Foot
All "FS" antennas are compatible with autos, trucks, vans, motorcycles and ATV's in a single antenna configuration when metallic ground plane is available. Or, they may be used in dual (co-phased)
configuration on any vehicle made from any type of material. Like all CB antennas, the "FS" antennas should be fine-tuned (SWR) in their final mounting location.
If you have ever tuned a non-tunable tip antenna, you will have a real appreciation for the "FS" antennas. To tune a "FS" antenna, you just pop-of the tip and turn the adjustment screw up or down as needed.
All "FS" antennas exceed the requirements of any CB radio, new or old. Aside from the hi-performance loading coil that maximizes the transmit/receive functions of your CB, these top-loaded antennas will also receive the NOAA emergency weather alert and national weather broadcasts for radios with those features.
The "FS" antennas are 100% American made with 100%
American materials. To maintain a balance between flexibility and ruggedness, we
use a custom blended, glass fiber reinforced shaft. Each is wound with heavy
insulated copper wire to prevent the oxidation and shorted windings often found
on non-Firestik antennas.
The tunable tip mechanism is made from rust-proof brass
and has a rubber o-ring to hold the adjuster in place after tuning. Our 3/8"-24
threaded base has a tapered contact point that works especially well with
Firestik mounts and accessories. The tapered "lug-nut" effect transfers stress
away from the threads and reduces the possibility of vibration induced loosening
of the antenna in its mount.
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