2x11 elements
Yagi antenna
144 to 146 MHz
Part Nr. 220822
| 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 |
Antenna P/N 220822