The Multi-Use Radio Service (MURS) is a fairly new FCC authorized "no-license" VHF Citizen Band Radio service
BRIEF: Heavy-Duty, 1/4 Wave M.U.R.S. VHF Citizen Band antenna with tunable tip.
DETAIL: The "MURS16" series, multi-use radio service antennas are little quarter wave wonders. By using top quality materials, proven antenna knowledge and our patented tunable tip design, we built a pair of dependable antennas you can count on for your day to day communications. Both the MURS16-B and the MURS16S-B are 100% American made with 100% American materials. The core material is solid 3/8" (9.5cm) fiber-rich, custom blended, fiberglass. Each is hand wound with double insulated 19 gauge copper wire. Our 3/8"-24 threaded base will fit all common mounts and accessories. Both antennas are covered with a static reducing, water-tight sleeve containing UV and pigment stabilizers. A vinyl cap is provided to protect the tuning mechanism from the elements. Available in black with a black tip only.
Like all transmitting antennas, these antennas work best when mounted over sufficient ground plane. The versitility of the tuning screw design offers a wide tuning range. The lowest frequency is achieved by having the tuning screw in its highest lockable position and the vinyl cap installed. Likewise, the highest frequency of the antenna can be found with both the vinyl cap and tuning mechanism removed. During design testing we were able to achieve resonance from 138.200 to 171.720 MHz without exceeding our maximum threshhold SWR of 2.0:1. In the 151.820 - 154.600 MHz MURS band, sub 1.5:1 SWR was easily achieved.
The MURS16-B should be selected when the user has no need for the added protection from a spring. However, for roof mounts and others that place the antenna in a location whereas physical contact with immovable objects is probable, the MURS16S-B would be the proper choice. The MURS16S-B antenna production length is factory adjusted to compensate for the stainless steel spring