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Ground Stations Aero Mongolia VDL 4000GA

    

 

 

The mobile transponders are based on state-of-the-art aviation technology and form the cornerstone in networked systems. CNS Systems offers mobile transponders for airborne and vehicle installation.

VDL 4000/GA

VDL 4000/GA is a multi-purpose data link designed to support the requirements of general aviation. The data link transponder provides ADS-B and supports other services, such as weather and traffic information, and has several interfaces to support a cockpit display of traffic information (CDTI).

Product description

The transponder is certified and delivered with an EASA Form 1 tag. This certification level allows the equipment to be used onboard aircraft for non-safety-critical applications.

The transponder allows pilots in the cockpit and air traffic controllers on the ground to "see" aircraft traffic with the highest possible precision. The core function is Automatic Dependent Surveillance – Broadcast (ADS-B), which is the enabling technology and vision for future air traffic management.

The VDL 4000/GA is designed to transmit, receive and decode ADS-B messages via a digital data link. It broadcasts the aircraft's position, velocity, projected track, altitude, and flight identification to other equipped aircraft in the vicinity, as well as to ground stations.

The transponders can operate autonomously outside the coverage of ground stations, whereas the addition of ground stations and a ground-based network provides increased functionality, capability and services.

The transponder supports services such that a complete gate-to-gate operation can be realised. The system supports departure clearance, en route, terminal, approach, landing, and surface movement, guidance and control operation. All aircraft equipped with the VDL4000/GA and operating within the ground station’s coverage area can benefit from receiving TIS-B traffic, FIS-B weather and other ATC information directly into the cockpit on a CDTI. DGNSS augmentation (GNS-B) for accurate surveillance and navigation is also handled by the transponder

SPECIFICATIONS

General
Power requirements 27.5 VDC 2 A
GNSS receiver (EGNOS option) 16 parallel channels
Functions
ADS-B
FIS-B
GNS-B
Point-to-point
TIS-B
External interfaces
GNSS antenna 1
Maintenance interface RS 232 1
Parallel barometric interface 1
RS 232 2
RS 422 1
VHF combined Tx/Rx 1
Physical characteristics
Cooling Not required
Size (W x L x H) 130 x 225 x 80 mm
Weight 2.8 kg
Receiver
CCI <12 dB
Number of receivers 2
Frequency stability +/– 0.0005% = +/– 5 ppm
Channel spacing 25 kHz
Sensitivity <–98 dBm
Tuning range 118.000 – 136.975 MHz
Transmitter
Baud rate 19200 bps
Adjacent channel power ICAO Annex 10 for VDL
Channel switching time < 13 ms
Frequency stability +/–0.0005% = +/– 5 ppm
Channel spacing Channel spacing 25 kHz
Output power 30 – 40 dBm (1 – 10W) adjustable
Modulation scheme GFSK
Number of transmitters 1
Tuning range 118.000 – 136.975 MHz
TX to RX turnaround time < 1 ms
Certification
EASA FORM 1 tag
Type approved
- ED-12B/DO 178B Level D
- ICAO SARPs and annex 10 compliant
- ED-14D/DO 160D A4BAXSXXXXXXXZABZTM[XXC1]XXA
Altitude 15 000 feet
Operating temperature -15°C – +50°C