GPS Antenna
Get GPS Readings without Costly DGPS
The GPS antenna is installed either on top of the vehicle roof or inside it, depending on the roof material. The antenna is connected to the DL-10B Data-Logger.
The active antenna captures the data by a satellite. Using dead reckoning, the system produces an automatic position estimate in case of temporary signal loss, usually due to short interruptions caused by tall buildings, also known as the canyon effect. The typical precision of GPS positioning is around 3-5 meters.
The GPS antenna provides other data: the direction (heading) in degrees, the speed of the vehicle and atomic clock time to synchronize the DL-10B’s clock with.
BENEFITS
- The antenna’s sturdy design withstands environmental conditions common to public transit vehicles.
- Simple installation: an antenna is installed on the roof and the receiver is built-in the DL-10B Data-Logger.
- User-defined virtual signposts (usually designated stops) are compared to GPS readings to position the vehicle.
- Helps identify trip duration, irregular routes and routes with few stops.
- Helps identify trip duration, irregular routes and routes with few stops.
- Our unique logging method keeps track of all vehicle movements, recreating the path followed by the vehicle.
- Know when and where your vehicle goes.
- Analyse schedule adherence, detours and traffic jams.
- Know when and where your vehicle goes.
- Powerful identification software accurately identifies stops and routes without high-precision DGPS receivers, a scheduling database or any human intervention.
TECHNICAL SPECIFICATIONS
The GPS system locates the vehicle while passengers board and exit the bus. The location identifies the stop and the route being followed. The GPS antenna is also used in the Traffic Light Priority System.
Antenna:
Centre frequency: 1575,4 MHz
Polarization: Right hand circular polarization (RHCP).
Performance:
Gain: 25 dB min.
Noise figure: 2.6 max.
Bandwith: 2 MHz min.
Out band attenuation: 12 dB min. @ 140 MHz.
Power:
3 to 5 VDC
Consumption: 12 mA
Environment:
Storage temperature: -40 to 90oC / -40 to 194oF
Operation temperature: -30 to 85oC / -22 to 185oF
Humidity: 10-95% not condensing internally
Enclosure:
Exterior Mounting:
Type: NEMA-4X, high-impact ABS
Weight: 265 g / 9,3 oz
Size: 10 cm diameter x 7 cm / 3,9 in. diameter x 2,8 in.
Colour: Black
Interior Mounting:
Type: Polycarbonate-radome & die-cast shell
Weight: 65 g / 2,3 oz
Size: 5,8 x 4,8 x 1,4 cm / 2,3 x 1,9 x 0,6 in.
Colour: Grey.
Models:
GPS-EXT: Exterior-mounting GPS antenna
GPS-INT: Interior-mounting GPS antenna
APPLICATIONS
The GPS antenna can be installed in all vehicle types:
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Download brochures
This System:
Directional sensor
Stand-alone counter
Multiple-sensor bar
GPS antenna
Data Collector
Infrared modem
Radio modem
Palm Pilot
Onboard computer
Miniature onboard computer
Communication Gateway
Network card
BusStops
BusStops WebReports
Other Systems:
Passenger Counting System (APC)
Traffic Light Priority System
Preventive Maintenance
Schedule Adherence
Automatic Vehicle Localization (AVL)
Indoors Vehicle Localization
Video Event Recording
Automated Voice Announcement
