watts antenna company

WATTS ANTENNA COMPANY
	...the tough site solution

End-Fire Glide Slope Antenna Systems: Three Models Available

Watts Antenna Company has delivered over 61 END-FIRE antenna systems for airport sites in 9 countries around the world. The first system, installed and commissioned nearly 30 years ago at Rock Springs, Wyoming in 1979, is still in operation today. The newest and latest installations in 2007 are in Jiuzhai Huanglong, China, and at Los Angeles International Airport.

Airport locations include:

v Large commercial airports with extensive international and domestic scheduled service;

v Urban and suburban general aviation airports;

v Mid-sized and smaller airports with active general aviation traffic in highly-promoted tourism areas;

v Six military air stations.

END-FIRE antenna systems are intended for runways having a limited amount of flat terrain such as in the case of hillside, mountainous, or waterside locations and highly-developed locales. These are non-image systems in that the path angle is determined by the relative phase of the signal generated by the front main and rear main antennas. The functioning of the system is essentially unaffected by adjacent low ground or body of water with tidal variations. The systems are universally designed to interface with any capture effect glide slope station equipment.

Where the terrain is physically unsuitable, environmental regulations prohibit earth moving, or it is not economically feasible to prepare the required ground plane for an image-type glide slope, the Watts END-FIRE is the answer when no one else can do it..........the tough site solution.

The Company’s products, with the End-fire Glide Slope Antenna Systems most widely-known, can offer numerous benefits over conventional image systems:

· Significant Cost Savings by Avoiding Expensive Ground-Plane Conditioning

· ILS Service where Previously Not Possible or Cost Effective due to the Terrain

· Proven Frangible Low-Profile design Permitting “Next-to-Runway” Installation

· Preserve Wetlands or Avoid High Wetland Relocation Costs

· Waterside Installations Since the Signal Is Not Degraded By Tidal Variations

· Precision Glide Path Guidance is Achieved with Narrow Lateral Radiation Patterns that Reduce Multi-path Signals from Buildings or Mountainous Terrain

At present, Watts had delivered 61 new full end-fire systems.

LOCATION	MODEL 105	MODEL 106	TOTALS
United States	21	24	45
South Korea	4	0	4
Norway	3	0	3
Switzerland	0	2	2
Venezuela	1	0	1
India	1	0	1
Brazil	1	2	3
Colombia	0	1	1
China	0	1	1
TOTALS	31	30	61