5 element wideband 14MHz OP-DES (Opposing Phase Driven Element System

This antenna has a flat SWR curve covering 14.000 - 14.350MHz at better than 1.5:1 SWR.

Multiband, Performance-Busting Design

The OP-DES is the newest in patent technology and is specifically designed for maximum performance, wide-band HF applications. Latest in Electromagnetic Design Technology ensure the very best results and the OP-DES Yagi is proof of that!

This antenna is made with 135mm diameter elements tapering to 13mm at the element tips. The antenna has fully insulated elements which will ensure continuous, high performance for many years to come. Boom to mast brackets are included with the antenna which will support 2 inch (51mm) masts. Boom 45mm tapering to 40mm aluminium with Kevlar boom guys and stainless steel turnbuckles for guy adjustment.

Technical Specification:

• Peak Gain: 9.3dBi
• Gain at 20m above Ground: 14.28dBi
• Peak F/B: 30.67dB
• Power Rating: 5kw+
• SWR: Below 1.1:1 from 14.000MHz to 14.350MHz
• Boom Length: 9.3m
• Weight: 25.5Kg / 56LB
• Turning Radius: 7.254m / 11.39ft
• Wind Loading: 1.06 Square Metres / 8.58 Square feet
• Wind Survival: 110MPH
• Stacking Distance: 11 - 15m ( 13m recommended)
• 2 Stacked Gain @ 13m spacing: 14.31dBi
• 2 Stacked F/B: 25.42dB
• 2 Stacked Gain @ 13m Spacing 20m above ground: 18.85dBi