Ground Antenna System 11 / 4-2.5
Glavkosmos
The Ground Antenna System 11 / 4-2.5 is a dual-band Cassegrain mirror antenna designed for satellite earth stations to receive signals in the C- or Ku-bands.
Key figurescomparable across the catalogue
- Design life
- 15 years
- Lead time
- 9 months
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Purpose
- Designed to operate as part of satellite earth stations to receive signals in the C- or Ku-bands.
- Year of release
- 2011
- Design life
- 15 years
- Lead time
- 9 months
- Possibility to adapt the product to customer requirements
- Yes
- Reflector diameter
- 2.5 m
- Receive frequency range
- 3.4-4.2; 10,950-12,750 GHz
- Polarization
- circular (C), linear (Ku)
- Receive gain
- ≥36.8 dB (S); ≥46.8 dB (Ku)
- Cross polarization interchange
- ≥27 dB (S); ≥30 dB (Ku)
- Working angles in azimuth
- ± 175°
- Working angles in elevation
- 0° … 90°
- Working speeds
- < 1.0°/s
About
The Ground Antenna System 11 / 4-2.5 is a receiving dual-band mirror antenna system built on the Cassegrain system. It is specifically designed to operate as part of satellite earth stations for receiving signals in the C- or Ku-bands. The system includes an antenna with a 2.5 m reflector, two replaceable irradiating systems for the C and Ku bands, and a slewing ring equipped with electromechanical drives. It’s important to note that the structure does not include radio receivers or radio transmitting devices. The product was released in 2011 and comes with a guaranteed service life of 15 years. The estimated production and delivery time is 9 months, and the product can be adapted to meet specific customer requirements.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.