Hy-Gain TH3-MK4 Triband HF Beam 3-Element 10, 15, 20 Meter Beam Antenna

Hy-Gain TH3-MK4 Triband HF Beam 3-Element 10, 15, 20 Meter Beam Antenna

Covers 10, 15, and 20 Meters.
Specs:
Gain: 5.8 dBd (avg.).
F/B Ratio: 25 dB (avg.).
Max Power: 1500 Watts PEP.
Boom Length: 14 feet.
Longest Element: 27 feet, 5 inches.
Turning Radius: 15 feet, 4 inches.
Mast Diameter: 1.9 to 2.5 inches OD.
Surface Area: 4.6 square feet.
Net Weight: 35 pounds.
Wind Survival: 95 mph.

Electrical:
Gain (ave.) 5.8 dBd (8.0 dBi)
Front-To-Back Ratio (max.) 25 dB
Maximum Power 1500 Watts PEP
VSWR at resonance Less than 1.5:1
Input Impedance 50 ohms
Matching System Beta (DC Ground)

Mechanical:
Boom Length 14 ft. (4.3m)
Boom Diameter 2 in. (51mm)
Longest Element 27’ 5” (8.36m)
Turning Radius 15’4” (4.67m)
Accepts Mast 1.9 to 2.5in. (48 to 64mm)
Net Weight 35 lb. (16 kg)
Shipping Weight 40 lb. (18 kg)
Maximum Wind Survival 95mph (153 kmph)
Wind Surface Area (max.) 4.6 sq. ft. (0.4 sq. m)
Wind Load at 80 MPH 118 lb. (53.6 kg)
Hardware All Stainless Steel
Suitable Rotators Hy-Gain CD-45II or HAM-IV