LPVs and LPs by Publication Date - 2016
Download LPVs and LPs by publication date since 2016.
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Ground Penetrating Radar (GPR) Report
Test report describing the emission characteristics and qualitative assessment of the effects of a ground penetrating radar (GPR) on selected aeronautical systems operating below 960 mhz (Jan. 2004).
Radio Frequency Interference (RFI) Radio Spectrum Planning
Order 6050.19EThis order establishes the Federal Aviation Administration (FAA) policy to ensure that FAA communications, navigation, and surveillance (CNS) and supporting systems are capable of receiving the required FAA radio spectrum support prior to the appropriation of funds for systems...
Downloads and Forms - Spectrum Engineering Services
Wednesday, April 23, 2025Military Use Only
General Use
- Frequency Management Toolbox (FMT) (Zip)
- Foxhunt Remote Terminal (Zip)
- Airspace Analysis Model Files (Zip, 6.6 MB)
- Airspace Analysis Model Data Files (Zip)
- IF77 (Zip, 50.3 MB)
- Ground Penetrating Radar Coordination (Form)
- Technical Center Ground Penetrating Radar Report -DOT/FAA/CT-TN04/12
- Flow Chart Process for Application for Licenses for Non-Federal Radio Navigation Aids
General Information - Spectrum Engineering Services
Documents
Orders and Directives - Spectrum Engineering Services
Documents
Satellite Navigation - GPS - User Segment - Non-Aviation
Non-Aviation
Satellite navigation is helping farmers and agribusinesses to become more productive and efficient in their farming practices. Today, many farmers use satellite navigation to conduct precision farming operations such as chemical and fertilizer application. Satellite navigation also provides location information that enables farmers to plow, harvest, map their fields, and mark areas of disease or weed infestation - any time of day or night.
Satellite navigation gives decision-makers the ability to combine accurate position data with descriptive information about the environment, which is gathered across many kilometers of terrain. It can be used to survey disaster areas and map the movement of environmental disasters, such as forest fires and oil spills, and how fast they are spreading. Satellite navigation mapping of environmental phenomena such as "El Ni�o" helps to save lives and protect property.
Satellite navigation provides unprecedented accuracy and capabilities for mariners and transportation managers. Underwater surveying, buoy placement, navigational hazard location, and mapping are increasingly being executed through the use of satellite navigation signal data. Commercial fishing fleets use satellite navigation to navigate to optimum fishing locations and to track fish migrations. Access to fast and accurate position, course, and speed information will save time and fuel through more efficient traffic routing.
With the advent of GPS, exact positional information is available to pilots. This enables direct routes, reduced flight times and reduced fuel consumption.
Satellite navigation is fast becoming an industry standard for location information used by emergency and other specialty fleets. Location and status information provided to public safety systems offers managers a quantum leap forward in efficient operation of their emergency response teams. The ability to effectively identify and view the location of police, fire, rescue, and individual vehicles or boats means a whole new way of doing business.
Many rail systems are comprised of long stretches of single track. Precise knowledge of where a train is located is essential to prevent collisions, maintain smooth flow of traffic, and minimize costly delays due to waiting for clearance for track use. Satellite navigation provides a sound position-locating capability for rail traffic management systems, be it to manage the movement of cars and engines in switch yards, or to ensure the safety of work crews. Current technology will also allow for fully automated train control through the use of a differential GPS capability, digital maps and onboard inertial units.
Satellite navigation technology has helped to overcome many of the hardships and hazards associated with recreation. Portable receivers now allow users to traverse trails with confidence and to know precisely where they are at all times. Outdoorsmen use it to stay apprised of location, heading, bearing, speed, distance, and time. With satellite navigation, outdoor enthusiasts can accurately record any location and return to that precise spot time and again; and they can do it anywhere, and at any time.
Satellite navigation is revolutionizing and revitalizing the way nations operate in space - helping to manage, track, and control satellites in orbit. By using space-borne and specialized algorithms, a satellite will soon be capable of navigating itself, making ground stations simpler and requiring fewer operators. Future booster rockets and reusable launch vehicles will launch, orbit the earth, return, and land, all under automatic control using guidance provided by satellite navigation systems.
The capabilities of satellite navigation, when coupled with communications and modern computerized management systems, can help meet many of the transportation challenges facing all modes of surface transportation. Currently, it is being used to add a new dimension for automatic vehicle location and in-vehicle navigation systems.
It will also allow for automatic toll collection on toll roads without having to establish manned toll booths. Delivery companies will be able to plan routes for deliveries in the optimum efficiency. All of the above can provide a source of revenue for the Government and assist in funding of an integrated transportation system.
Satellite navigation can be used for simple surveying tasks, such as defining a property line or for complex things like building infrastructure in urban centers. Locating a precise point of reference used to be very time consuming. With this revolutionary technology, however, two people can survey dozens of control points in a single hour. Surveying and mapping of roads and rail systems can also be accomplished from mobile platforms, saving valuable time and money.
With the accuracy of atomic clocks, satellite navigation systems are used to synchronize clocks and events around the world. GPS time and information is extremely precise - to the nanosecond. It is so precise, in fact, that paging companies depend on these satellites to synchronize the transmission of data packets throughout their systems. Investment banking firms also rely on this service every day so international transactions can be recorded simultaneously.
The ultimate applications for GPS are hard to predict. In a world that changes with each new day, one universal truth remains - time.
Satellite Navigation - GPS - User Segment - Aviation
Wednesday, November 27, 2024Satellite navigation is being widely used by aviators throughout the world to overcome many of the deficiencies in today's air traffic infrastructure. With its accurate, continuous, all-weather, three (GPS only) and four (GPS with augmentations) dimensional coverage, satellite navigation offers an initial navigation service that satisfies many of the requirements of users worldwide. Unlike current ground-based equipment, satellite navigation permits accurate aircraft position determination anywhere on or near the surface of the earth.
More specifically, an aggressive exploitation of satellite navigation technologies provides substantial benefits to both the providers of such services in the region, as well as the individual and combined user communities. The implementation of this technology in a country or region provides the following benefits to aviation transportation:
- Enhanced safety of flight throughout the region
- Seamless navigation service based on a standardized navigation service and common avionics
- More efficient, optimized, flexible, and user-preferred route structures
- Increased system capacity
- Reduced separation minimums resulting in increased capacity and capabilities
- Significant savings from shortened flight times and reduced fuel consumption
- Reduced costs to each individual State while increasing overall benefits to individual States and the entire region
- Further economies from reduced maintenance and operation of unnecessary ground-based systems
- Improved ground and cockpit situational awareness
- Increased landing capacity for aircraft and helicopters
Additionally, the implementation of this technology adds a margin of safety to operations within the expected coverage area by providing four-dimensional positioning, as opposed to the two-dimensional positioning of traditional systems. This reduces accidents by providing a consistent navigation capability that does not change, regardless of location, replacing major portions of current ground-based navigation infrastructures, and simplifying avionics suites. It also offers a precision approach capability at any airport within that region. All aircraft equipped with certified GPS/WAAS receivers have the needed accuracy, integrity, and availability for them to use GPS as a primary navigation aid, and thus experience the benefits of seamless travel.
Aircraft arriving at the terminal area use set instructions to lead them into the local area to begin their landing approach. The current Standard Terminal Arrival Routes (STARS) are based upon the placement of navigation aids, aircraft performance, and obstructions to flight. Through more accurate and continuous position information, GPS will offer more flexible routes, easing congestion, saving time and fuel, especially at high-density airports.
Aircraft departing from the terminal area must comply with set instructions that will lead them safely to their enroute departure point. The current standard instrument departures (SIDs) are based on factors such as navigational aids available, aircraft performance, and obstructions to flight. Because of its accurate and continuous location information, GPS will offer direct and flexible departure routed, ease congestion, and save time and fuel while maintaining high levels of safety.
Control and navigation of aircraft over land must rely on the use of ground hardware. Aircraft must normally fly from point to point to navigate to their destination. Flight paths are rarely direct.
With the advent of GPS, exact positional information is available to pilots. This enables direct routes, reduced flight times and reduced fuel consumption.
Landings based on GPS will eliminate many of the time and fuel-consuming maneuvers currently in use. Additionally, GPS can enable the addition of vertical guidance to landing scenarios where this capability did not formally exist. Vertical guidance is a key component to increasing safety.
Oceanic flights are out of range of ground-based surveillance systems. Controllers rely on position reports radioed periodically from pilots. Due to the time delays in receiving these reports, a significant distance must be kept between aircraft to ensure safety. GPS-equipped aircraft relay their position via digital data links through satellites to controllers. Knowing each aircraft's real-time position enables controllers to safely reduce aircraft separation, which increases capacity, reduces fuel consumption, and optimizes flight routes.
Surface traffic at airports is frequently busy. Controlling and monitoring that traffic becomes increasingly difficult as visibility decreases. The FAA is examining ways to use GPS with other technologies to help identify and locate surface vehicles during all kinds of weather conditions. That information could be used to help aviators and controllers safely navigate in the surface environment.