This high-performance short boom directional antenna for amateur radio operators covers all five 20 through 10 meter bands with excellent SWR bandwidth. This Moxon folded element Yagi configuration fits into a small 29 ft. (9m) diameter footprint for limited space installations at the edge of a property or in a clearing between trees.

Physical Specifications

Boom Length: 12.47 ft. (3.80 m)

Turning Radius: 14.37 ft. (4.38 m)

Longest Element: 26.04 ft. (7.94 m)

Weight: 49.6 lbs. (22.5 kg)

Wind Surface Area: 8.93 sq. ft. (0.83 sq. m)

Wind Load: 163.8 lb.-f (728.5 N)

Feed System: Single 50-ohm coaxial line, Balun included

Electrical Performance

Gain (dBd / dBi @ 65 ft. above ground):

20m: 4.0 / 11.3

17m: 4.2 / 11.8

15m: 4.1 / 11.8

12m: 4.5 / 12.2

10m: 4.0 / 12.5

Front-to-Back Ratio:

20m: 23 dB

17m & 15m: 12 dB

12m: 14 dB

10m: 27 dB

SWR Bandwidth

20m (14.00–14.35 MHz): 1.5:1 to 1.2:1

17m (18.07–18.17 MHz): 1.3:1 to 1.1:1

15m (21.00–21.45 MHz): 1.5:1 to 1.2:1

12m (24.89–24.99 MHz): 1.3:1 to 1.2:1

10m (28.00–29.00 MHz): 1.3:1 to 1.2:1

Element Configuration

Total Elements: 10

Active Elements:

20m, 17m, 15m: 2 each

12m & 10m: 2.5 each

The Optibeam OB10-5M Hybrid Moxon Yagi is a premium choice for amateur operators, offering high gain, excellent directivity, and robust mechanical design with efficient power transfer and broad bandwidth across all five bands.