21 MHz 15 meter Monoband Yagi Antenna 6 lements PA21-6-12HD
Wideband operation, low SWR, excellent F/B. 20m HD Yagi antenna. Input power limited by feed line only. Antenna wind survival speed 220 km/h.
One of the best mechanically and electrically designed antenna. Very high gain. Superior mechanics.
| Electrical Specifications | |
| Frequency Range: | 21 – 21.45 MHz |
| Free Space Forward Gain: | 11.1 dBi |
| Forward Gain 20m AGL | 16.7 dBi |
| Front to Back Ratio: | 27 dB |
| 3 dB Horizontal Beamwidth: | 46.5° |
| Nominal Input Impedance: | 50 Ohm |
| Maximum SWR at any freq.: | 1 : 1.2 |
| Maximum Power Input: | More than 1.5 kW |
| Matching Method: | Direct feed through current balun. |
| Connector: | SO239 |
| Mechanical Specifications | |
| Boom length: | 12 m |
| Boom Size: | 80 x 80mm |
| Longest element: | 7.2 m |
| No. of elements: | 6 |
| Turning radius: | 7.9 m |
| Mounting Mast Diameter: | 43 – 70 mm |
| Survival Wind Speed: | 220 km/h |
| Weight: | 43 kg |
Starting element diameter 25 mm.
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