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HFG30 Antenna
 

 

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Model HFG30 GRAM™ Antennas

Our GRAM™ Model HFG30*  antenna, is a 9 meter, three section unit that requires no formal foundation.  This feature combined with its light weight allows for easy installation in remote areas, by as few as 2 men, using common hand tools.

Our line of GRAM™ antennas are designed to be extremely environmentally friendly. Therefore, installation (and removal) impacts are minimal. Also, maintenance is generally limited to annual inspection and guy tightening, further reducing environmental impacts.

* Patent Pending

  • Model HFG30 SPECIFICATIONS:

  • ELECTRICAL CHARACTERISTICS

    Resonant Frequency: 7.2 MHz

    Typical Impedance At Resonance: 52 W (with, 16 - ¼l radial copper ground plane wires)

    Electrical Length: 30.33 Feet. (9.22 Meters)

    MECHANICAL CHARACTERISTICS

    Mechanical Length: 31.16 Feet. (9.47 Meters)

    Base Insulator: U.H.M.W.

    Radiating Element: Aluminum

    Number of Sections: 3

    Finish: White, acrylic aliphatic polyurethane

    Weight: 65 Pounds (29.5 Kg)

    OPTIONAL (SUGGESTED) GROUND SCREEN SYSTEM

    No. of Radial Elements: 16

    Radial Element Length: ¼l (10.7 Meters @ 7.00 MHz., 18.75 Meters @ 4.00 MHz)

    Recommended Radial Wire Gauge: 12 AWG, soft drawn, solid copper.

    Radial Connection: Clamped at antenna base plate & pinned to earth at free end.


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