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JAMPRO JMPC – Medium Power Circular Penetrator

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JMPC – Medium Power Circular Penetrator

 

The JAMPRO JMPC antenna is the medium-power version of the Penetrator antenna, which has become an industry standard for quality and performance. Rated at 10 kW maximum input, each bay consists of a Penetrator-style radiating element with a 1-5/8” shunt feed line. Each JMPC is factory tuned to any frequency in the FM Band II (87.5 - 108 MHz) range on a tower structure that bests simulates the customer’s actual tower. Multiple frequency design is also available. The true circular polarization of the JMPC antenna offers excellent performance for HD Radio, stereo and SCA operation. Typical VSWR is 1.1:1 ± 200 kHz.

 

Radomes

Deicers

FCC Directionalization

Reduced RF Arrays

Pattern Measurement Study

Custom Mounting Brackets

Electrical Beam Tilt

Null Fill

Multi Frequencies

 

The JMPC antenna is constructed of the highest quality marine brass and copper. A hot dipped galvanized steel mounting bracket for utmost grounding supports each bay. Standard round leg mounting brackets for uniform face towers are included with each antenna. Silver plated inner conductor connectors are used throughout for maximum contact life and minimum power loss. Each JMPC antenna is DC grounded at every bay for maximum lightning protection. This rugged mechanical construction and mounting ensure the long life and outstanding performance of each JMPC antenna system.

 

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Notes:

1. Weights and wind loads shown include standard leg mounting brackets and feed lines

2. Wind loads based on 50/33 PSF (98 MHz, mid-band)

3. Feed points, when end fed is 3 ft below bottom bay; when center fed is 9’. 6” below center

4. All inputs are EIA flange, female

5. Power de-rating occurs above 2,000 feet elevation. Contact factory for details

6. Power and Db gains are typical for horizontal and vertical components

7. Special mounting brackets are available

8. Other combinations of EIA inputs and power ratings available

9. Free space azimuth circularity is ± 2.0 dB

10. Polarization is right hand, clockwise circular

11. Power gain is based on half wave dipole in free space

12. Specifications based on one wave spaced bays, other spacing available

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