20822 Tonna 2m (144 - 146MHz) 2x11 Crossed Yagi

		2x11 elements Yagi antenna 144 to 146 MHz Part Nr. 20822
		Electrical data       Radiation at 144.5 MHz   Effective electrical length............................ : 2.20 l Isotropic gain............................................ : 14.0 dBi Aperture angle @ -3 dB   - E-plane ........... : 2 x 18.3° - H-plane ........... : 2 x 20.3° First side lobe set   - E-plane ........... : - 18 dB @ 50° - H-plane ........... : - 12.5 dB @ 50° Rear protection......................................... : - 18.5 dB Average stray radiation   - E-plane ........... : - 36 dB - H-plane ........... : - 24 dB Bandwidth   Gain @ -1 dB........................................... : 140 to 148 MHz Nominal impedance.................................. : 50 W Impedance match bandwidth @ SWR<1.3/1 : 139.5 to 146.7 MHz Acceptable RF power (continous duty)........ : 1000 W Required phase delay between frontmost   and rearmost driven element....................... : 59° Array of 2 or 4 antennas   (optimized stacking distance, from center to   center of elements, for minimal side lobe   radiation)   Electrical distance .. : 1.46 l Practical distance ... : 3.05 m     Mechanical data       Connector................................................ : N Overall length............................................ : 4.62 m Mass....................................................... : 4.2 kg Effective wind load..................................... : 0.2 m2 Approximate wind load (25m/s - 55 mph)..... : 7.6 daN Approximate wind load (45m/s - 100 mph)... : 24.5 daN
					Technical data
							144/146 MHz antennas
				Antenna 20822