| Electrical data |
|
| |
|
| Radiation at 50 MHz |
|
| Effective electrical length............................ |
: 0.57 l |
| Isotropic gain............................................ |
: 10.1 dBi |
| Aperture angle @ -3 dB |
|
|
- E-plane ...........
|
: 2 x 27.5° |
|
- H-plane ...........
|
: 2 x 37.5° |
| First side lobe set |
|
|
- E-plane ...........
|
: None |
|
- H-plane ...........
|
: None |
| Rear protection......................................... |
: - 23.8 dB |
| Average stray radiation |
|
|
- E-plane ...........
|
: - 30 dB |
|
- H-plane ...........
|
: - 18 dB |
| Bandwidth |
|
| Gain @ -1 dB........................................... |
: 48 to 52 MHz |
| Nominal impedance.................................. |
: 50 W |
| Impedance match bandwidth @ SWR<1.3/1 |
: 49.9 to 50.5 MHz |
| Acceptable RF power (continous duty)........ |
: 1000 W |
| Array of 2 or 4 antennas |
|
| (optimized stacking distance, from center to |
|
| center of elements, for minimal side lobe |
|
| radiation) |
|
|
- E-plane - Electrical distance ..
|
: 0.93 l |
|
- E-plane - Practical distance ...
|
: 5.58 m |
|
- H-plane - Electrical distance ..
|
: 0.75 l |
|
- H-plane - Practical distance ...
|
: 4.50 m |
| |
|
| Mechanical data |
|
| |
|
| Connector................................................ |
: Bracket |
| Overall length............................................ |
: 3.45 m |
| Mass....................................................... |
: 4.9 kg |
| Effective wind load |
|
|
- Horizontal polarisation..
|
: 0.13 m2 |
|
- Vertical polarisation......
|
: 0.35 m2 |
| Approximate wind load (25m/s - 55 mph) |
|
|
- Horizontal polarization..
|
: 4.9 daN |
|
- Vertical polarization.....
|
: 13.2 daN |
| Approximate wind load (45m/s - 100 mph) |
|
|
- Horizontal polarization..
|
: 15.9 daN |
|
- Vertical polarization.....
|
: 42.8 daN |
