Description
1.2.1. Antenna electrical specification
| Item | Description | |
| Frequency(GHz) | Tx:29.4-31.0 | Rx:19.6-21.2 |
| Gain (Mid-band, dBi) |
≥62.8 | ≥59.5 |
| Side Lobes | 1st sidelobe not higher than -14dB Other sidelobes compliant with ITU-R S.580-6. |
|
| Antenna Noise Temperature | 150K (at 10°EL angel) | |
| Feed Type | Corrugated horn and TE21 mode coupler | |
| VSWR for Corrugated Horn | ≤1.30 | |
| AR (dB) | ≤0.5 | |
| Port and port Isolation (dB) | Tx to Rx >85, Rx to Rx >15, Tx to Tx >20 | |
| Power Capability | 1kw | |
1.2.2. Antenna mechanical specification
| Item | Description |
| Antenna Type | Modified Ring-foucs Antenna, El over Az geometry |
| Antenna Diameter (m) | 6.2 |
| Main Reflector Accuracy (mm) | £0.30rms |
| Subreflector Accuracy (mm) | £0.15 rms |
| Mount Type | Az and EL for Limited-Motion (LMA) |
| Driving Chain Mode | Single-motor for azimuth axis Single-motor for elevation axis |
| Drive range | Azimuth drive: ±85° （ Separating into two sections ， Continuous in each section, screw jack drive.） Elevation drive: 5° - 90° continuous, screw jack drive. |
| Antenna Accessorial Parts and Interface |
Hot Dip Galvanise |
| Lightning Arresting Rods | |
| Lightning Arrestor down-conductors | |
| Foundation HW |
1.2.3. Antenna servo control and tracking specifications
| Item | Description |
| Travel maximum velocity | AZ / ELAxis Drive Rates up to 0.04°/s; |
| Autotrack method | Step Tracking |
| Tracking Accuracy | £0.033°（rms） |
| Antenna Operation Mode | Step tracking, Programmed Tracking; Stand-by, Manual Driving; Position Preset |
1.2.4. Antenna environmental conditions and other features
| Item | Description | Remark |
| Ambient Temperature | -40°C～+55°C (Outdoor) 0°C～+30°C (indoor) |
|
| Relative Humidity | 0%～100% | |
| Anti-wind Capability | Steady wind: 45km/h, gust:72km/h | Normal Operation |
| Item | Description | Remark |
| Steady wind: 72km/h, gust: 97km/h | Degraded Operation | |
| gust wind:180km/h | Survival in any position | |
| gust wind:200km/h | Survival in stow at peak | |
| Others | Packing (sea freight) | |
| Feed Rain Blower | ||
| Dehydrator | ||
| 12 months warranty |