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The Radiowavz EFH Half Wave End Fed Antenna, designed for the 40-meter band, is a versatile and efficient solution for amateur radio enthusiasts. This antenna boasts a range of impressive specifications and operational features, making it a compelling choice for various operating scenarios.
Specifications: - Power Handling: 200 watts - Connector: SO-239 - Radiator: 26 gauge, 19-strand copper-clad steel, poly-coated
Operational Notes: 1. This antenna functions as a half-wave radiator, with the unique characteristic that the feed line is located at the end of the antenna. The antenna is suspended at its ends by the two included end insulators, one of which is attached to the matching plug. 2. To minimize the influence on the antenna, it is recommended to use insulated lines for attachment to the insulators. The antenna can be suspended horizontally, vertically, or at a sloping angle. Portable operation is easily achieved by suspending the far end from a tree limb and allowing the matching plug to hang just above the ground. 3. Users can employ this antenna in hotel rooms by hanging the matching section end just outside the window and letting the far end hang freely. 4. Tuning the antenna is best accomplished using an antenna analyzer attached to the far end of the coaxial cable that will be used with the antenna. Start by removing the small counterpoise wire, then determine the resonance of the antenna. If needed, add the stub to lower the resonant fundamental frequency. Once the initial resonant frequency is established, the antenna can be tuned just like a dipole.
This antenna is designed to operate on the intended band, and operation outside of the designated band is not recommended without the use of a tuner. The versatility and ease of use of the Radiowavz EFH Half Wave End Fed Antenna make it an attractive choice for both portable and fixed station applications in the 40-meter amateur radio band.
product information:
Attribute | Value | ||||
---|---|---|---|---|---|
item_weight | 1.35 pounds | ||||
manufacturer | RADIOWAVZ | ||||
item_model_number | EFH40 | ||||
customer_reviews |
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best_sellers_rank | #4,657 in Radio Antennas | ||||
date_first_available | April 21, 2015 |