Using Long Range Video Downlinks from a Law Enforcement Helicopter


The Application of Long Range (up to 100 miles) Video Downlinks from a Law Enforcement Helicopter

A Long Range System (up to 100 miles) has a high gain antenna pod system on the aircraft and a high gain antenna system on the ground. Both antennas are automatically pointed with GPS coordinates. The aircraft system can only point at one receive site at a time so this eliminates the simultaneous transmission to the short range systems.

GCA-4 - View PDF

The GCA-4 Steerable pod system is the transmit side of the Long Range Microwave System. The GCA-4 pod contains a high gain antenna that is GPS pointed, a microwave transmitter, and a controller that aids in manually pointing the antenna and controlling frequencies of the transmitter. The pod is typically attached to the belly of the aircraft.

GCA-11 Antenna - View PDF

The GCA-11 Airborne Directional Antenna is a smaller lighter airborne microwave pod incorporating a switchable array antenna selected by solid state switching. The pod is self-contained with integral electronics employing a high performance embedded processor which handles all control, supervision, and high speed streaming communication protocols, together with a solid state compass and modular I/O system. The BMS GCA-11 can be used in both aircraft and ground applications for ENG, military, and law enforcement.

Silhouette™ Central Receive System - View PDF

The Silhouette™ Central Receive System is the receive system for the Medium or Long Range Microwave Systems. It is designed for permanent installation on a tower or top of a building. The high gain antenna is GPS Steered and has a controller and microwave receiver that are typically located in the equipment building under the tower. Optional PC based MC5™ Master Controllers can access the local controller via phone line, fiber optics or fixed microwave paths. The system operator does not have to be co-located with the Silhouette™ antenna systems.

Antenna Wind Load Data - View PDF

Superquad™ Antenna System - View PDF

The Superquad™ Antenna System is the receive system for the Medium or Long Range Microwave Systems. It is designed for permanent installation on a tower or top of a building. The high gain antenna is GPS Steered and has a controller and microwave receiver that are typically located in the equipment building under the tower. Optional PC based MC5™ Master Controllers can access the local controller via phone line, fiber optics or fixed microwave paths. The system operator does not have to be co-located with the Superquad™ antenna system.

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