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Optibeam Antenna
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Optibeam - OB3-30 - 3 Element full sized Yagi 30m - 30
OB3-30
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| Bands | 30 | |
| Gain (dBd) * | 5.8 | |
| Gain (dBi) ** | 12.9 | |
| F/B (dB) | 33 | |
| VSWR | ||
| 10,100 - 10,125 - 10,150 | 1,1 - 1,0 - 1,1 | |
| Elements (number) | 3 | |
| Max. Elementlenght (m) | 15.54 | |
| Boomlenght (m) | 8.9 | |
| Turning Radius (m) | 8.16 | |
| Feedlines (number) | 1 Coax 50 Ohm | |
| Weight (kg) | 54 | |
| Windload at 130 km/h | 884 N / 1,10 m² / 11,9 feet² | |
| * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd |
| ** = average gain at 20m above ground (= dBd + 2.15 dB isotropic + about 5 dB ground reflection) |
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