hy gain VB-25FM directive 5 Elements for 144 MHz

VB-25FM
5 element directive for 2 meters with beta match

MECHANICAL SPECIFICATIONS:

- Length : 1.9 meters

- Element Length : 39 1/2" (1006 mm);

- Swing radius (maximum): 1,854 meters;

- Wind Survival : 80 mph (129 kmph);

- Shaft Diameter : 15/8" to 2 1/16" OD (41 mm to 52 mm);

- Diameter : 1 1/4" OD (32 mm);

- Wind area : 1.65 sq. ft. (vertical), 1.28 sq. m. ft. (horizontal);

- Net weight : 5.5 pounds (2.5 kg);

ELECTRICAL SPECIFICATIONS:

- Gain : 11.2 dBi (9.0 dBd);

- Front-to-Back Ratio : 20 dB;

- Maximum SWR : 2:1;

- Band length : MHz;

- Maximum power : 250 watts continuous, 500 watts PEP;

- Impedance : 50 ohms (with balun);

- Half power width : 60° (vertical, horizontal polarization);

- Stacking distance : 2083 mm minimum