Description
The DB18E Yagi antenna utilizes folded dipole technology for 30 and 40 meter performance.
There are 3 looped elements on the antenna. On 40 meters, two loop elements are active and on 30 meters through 6 meters all three elements are active. The DB18E uses an integral coax switch to select which one of the three elements are driven to give equal performance in forward and reverse directions. The control of the antenna and coax switch is integrated into the SDA100 controller for effortless tuning.
The singular difference between the DB18E and DB18 are the number of active elements on 30m – on the DB18E there are 3 active elements on 30m and on the DB18 there are 2 active elements on 30m.
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DB18 DB18E Weight 96 lb / 43.5 kg 110 lb / 50 kg Wind Load (EIA-222-C) 10.1 sq ft / 0.93 sq m 12.1 sq ft / 1.12 sq m Longest Element 39 ft / 11.9 m 39 ft / 11.9 m Turning Radius 21.58ft / 6.57 m 21.58ft / 6.57 m Boom Length 19 ft / 5.79 m 19 ft / 5.79 m Mast Hardware 2.0 in/ 5.08 cm 2.0 in/ 5.08 cm Power Rating 3KW 3KW Wind Rating 100 mph / 160 km/h 100 mph / 160 km/h Frequency Coverage 6.8 mHz—54 mHz 6.8 mHz—54 mHz Cable Requirements 16 conductor 22 ga shielded 16 conductor 22 ga shielded Tuning Rate 1.33 ft/sec - 0.4 m/sec 1.33 ft/sec - 0.4 m/sec -
* with 6m passive element kitDB18 DB18E Band dBi Gain DB F/R dBi Gain DB F/R 40m 6.2 20 6.2 20 30m 5.4 N/A 7.0 20 20m 7.4 25 7.4 25 17m 8.3 25 8.3 25 15m 8.5 20 8.5 20 12 m 8.8 15 8.8 15 10 m 9.0 11 9.0 11 6 m 6.2 (10.1)* 4 (30)* 6.2 (10.1)* 4 (30)*
