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 |