No.36 Third South Ring Auxiliary Road, Yanta District, Xi’an City, Shaanxi Province, China
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On The Move Antenna
1.2m KU Marine Parabolic COTM
Antenna feed sub system:Prime focus parabolic antenna with carbon fiber reflector,corrugated horn, Rx-Tx duplexer and filter,AZ,EL,POL motor ,servo driver, inertial navigation system, GPS/BD（optional）,beacon receiver,AZ,EL.POL angle sensor,main control board etc.
System composition
Antenna feed sub system：Prime focus parabolic antenna with carbon fiber reflector, corrugated horn, Rx-Tx duplexer and filter ,AZ,EL,POL motor ,servo driver, inertial navigation system, GPS/BD（optional）,beacon receiver, AZ,EL .POL angle sensor, main control board etc.
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Technical data
Name | 1.2mKU marine parabolic COTM | Feed form | Prime focus | ||||||
Type | SOMA-300-A | Equivalent aperture | 1.2m | POL | Linear | ||||
Frequency | Rx：12.25～12.75 GHz | Gain | Rx：≥41.3+20lg（f/12.50）dBi | ||||||
Tx：14.00～14.50 GHz | Tx：≥42.5+20lg（f/14.25）dBi | ||||||||
Port isolation | Rx-Tx ：≥ 85 dB | VSWR | Rx：≤1.5 | ||||||
Tx-Rx：≥ 40dB | Tx：≤1.5 | ||||||||
Across polarization isolation | ≥35dB（axial ） | 1st side lobe | EL ：≤ -12 dB | ||||||
Interface form | Rx：N-50K； Tx：WR75 | ||||||||
Dynamic switching satellite time | ≤ 8 s | Power capacity | 100 W | ||||||
Steady type | 3 axis | Radome insertion loss | ≤ 0.5dB | ||||||
Motion range | AZ | 360° continuous | Revolution | AZ | ≤ 60 °/s | Angular acceleration | AZ | ≥ 200 °/s2 | |
EL | -15°～125° | EL | ≤ 60 °/s | EL | ≥ 60 °/s2 | ||||
Roll | ±30° | Roll | ≤ 60 °/s | Roll | ≥ 60 °/s2 | ||||
POL | ± 90° | POL | ≤ 40 °/s | ||||||
Auto acquisition time | Initial acquisition time | ≤ 3min | Tracking accuracy | ≤ 0.5dB（R.M.S） | |||||
Blockage recovery time （Blockage 20min） | ≤ 5 s | Pointing method | Beacon | ||||||
Controller type | 19inch 1U case | Positioning mode | GPS+BD | ||||||
Operating temperature | -40°C～+60°C | Operating wind velocity | 21 m/s | ||||||
Storage temperature | -50°C～+70 °C | Survival wind velocity | 35 m/s | ||||||
Humidity requirement | 95%（20 °C） | Protection grade | IP65 | ||||||
Power | 220V/AC，50Hz | System power consumption | 400 W（exclusing BUC） | ||||||
Selection of BUC | Recommend to use MITEC series | Selection of LNB | Norsat HS1057B | ||||||
System weight | ≤ 150Kg（excluding BUC, LNB, packaging and accessories etc） | ||||||||
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