Antennas

Hartebeesthoek antennas consist of the following systems:

HBK-2: S-and Ext C-band antenna

HBK-2 Slew rate: 10°/sec
Dish diameter: 12m
Tracking mode: Program and Autotrack  
Polarisation: LCP and RCP

Transmit 1
Frequency range: 6.8 - 7.2 GHz
EIRP: 88dBW
Receive
Frequency range: 2.2 - 2.4 GHz
G/T: 22.4 dB/°K
Acquisition Aid ant: 1.07m 2.2 - 2.3 GHz only

Transmit 2
Frequency range: 2.025 - 2.15 GHz
EIRP: 69dBW

HBK-5: S, X-band antenna

HBK-5 Slew rate: 10°/sec
Dish diameter: 10m
Tracking mode: Program and Autotrack  
Polarisation: LCP and RCP
Receive
Frequency range:
Rx1: 2.2 - 2.4 GHz [G/T: 22.4 dB/°K]
Rx2: 8.0 - 8.5 GHz [G/T: 31.0 dB/°K]

Transmit
Frequency range: 2.025 - 2.10 GHz
EIRP: 65dBW

HBK-7: Ku/DBS-band antenna

 HBK-7 Slew rate: 2°/sec
Dish diameter: 13.2m
Tracking mode: Program and Autotrack
Polarisation: Circular and Linear

Receive
Frequency range: 10.95 - 12.75 GHz
G/T: 38.25 dB/°K (@12.75 GHz)
Transmit
Frequency range:
Tx1: 12.75 - 14.5 GHz
Tx2: 17.3 – 18.1 GHz

EIRP:
91dBW (@12.75 GHz)
92.6dBW (@17.5 GHz) 

HBK-8: Ka-band antenna

HBK-8 Slew rate: 2°/sec
Dish diameter: 13.2m
Tracking mode: Program and Autotrack    
Polarisation: LCP and RCP

Transmit 1
Frequency range: 29.5 - 30.0 GHz
EIRP: 92dBW
Receive
Frequency range: 17.7 - 21.2 GHz
G/T: 41.8 dB/°K

Transmit 2
Frequency range: 27.5 - 31.0 GHz
EIRP: 87dBW

HBK-9: X-band antenna

HBK-9 Slew rate: 3°/sec
Dish diameter: 5.4m
Tracking mode: Program and Autotrack
Polarisation: RCP
Receive
Frequency range: 8.0 - 8.5 GHz
G/T: 30.5 dB/°K

HBK-10: C-band (designated Pre-15T by Intelsat) antenna

HBK-10 Slew rate: 5°/sec Amzimuth, 1.4°/sec Elevation
Dish diameter: 11m
Tracking mode: Program and Autotrack
Polarisation: Circular

Receive
Frequency range: 3.625 - 4.2 GHz
G/T: 31.7 dB/°K



Transmit
Frequency range: 5.85 - 6.425 GHz
EIRP: 89.5dBW

HBK-16: X-band antenna

HBK-16 Slew rate: 3°/sec
Dish diameter: 7.3m
Tracking mode: Program and Autotrack
Polarisation: LCP and RCP
Receive
Frequency range: 8.0 - 8.5 GHz

HBK-17: Ku-band antenna

 HBK-17
Dish diameter: 9m
Tracking mode: Program and Autotrack
Polarisation: Linear and Circular

Receive
Frequency range: 10.95 - 12.75 GHz
G/T: 35 dB/°K



Transmit
Frequency range: 12.75 - 14.5 GHz and
17.3 - 18.1 GHz
EIRP: 85dBW

MO-1: S-band mobile antenna

MO-1 Slew rate: 20°/sec
Dish diameter: 15ft
Tracking mode: Program and Autotrack
Polarisation: LCP and RCP
Receive
Frequency range: Rx1: 2.2 - 2.4 GHz
G/T: Rx1: 11.6 dB/°K

HBK denotes Hartebeesthoek and identifies the antenna as one at Hartebeesthoek. Globally, antennas are recognised by their ground stations and serve as 'signatures' for their stations.

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