40 meter Full size heavy duty Yagi antenna 3 elements PA7-3-12HD
Full size 3 elements Yagi antenna. Heavy duty. Wind survival speed 135km/h.
7MHz 3el beam PA7-3-12HD rising. Location YU7U Brane and VK2DX Nick.
PA7-3-12HD on a strong wind.
On picture: YT1MI Miki, YU1MM Maksa, YU1CF Goran , 4O3A Ranko, VK2DX – YU7XX Nikola, YU7HD Dragutin, YU1EW Zoran, YU1KX Vlada, YU7U Brane and YU3AAA Stefan.
Electrical Specifications
Frequency Range: 7 – 7.2 MHz
Free Space Forward Gain: 7.3 dBi
Forward Gain 20m AGL: 11.7 dBi
Front-to-Back Ratio: 25 dB
3 dB Horizontal Beamwidth: 66°
Nominal Input Impedance: 50 Ohm
Maximum SWR at any freq: 1: 1.5
Maximum Power Input: More than 3 kW (up to 8kW)
Mechanical Specifications
Boom length: 12 m
Boom: 80 x 80mm
Longest element: 23 m
No. of elements: 3
Matching Method: Direct feed through a current balun.
Connector: SO239 “N” or 7/16 DIN
Turning radius: 12.7 m
Mast – Tower Diameter: 60 – 650mm (of your choice)
Survival Wind Speed: 135 km/h
Weight: 120 kg
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