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Standard

Global eLoran User Equipment Interface Standard

2018-12-18
WIP
SAE1012
There are numerous GUE Interface Standards in use that provide some form of timing and/or position information. This document identifies many of these standards and provides the data required to substitute an eLoran receiver for a GPS receiver.
Standard

Specification of The Transmitted Loran-C Signal

2018-10-19
WIP
SAE9980
The Loran-C Radionavigation System, managed by the U.S. Coast Guard, is the federally provided radionavigation system for civil marine use in the U.S. coastal waters. It is also designated by the Federal Aviation Administration (FAA) as a supplementary system in the National Airspace System (NAS). This system provides accurate radionavigation and timing services to users in the United States of America and Canada. Loran-C is also being used and developed by several other countries in Europe and Asia. Estimates of Loran-C system accuracy must take into consideration the transmitted signal, signal propagation, signal reception, interference or errors from outside sources such as natural and man-made electromagnetic noise, skywave contamination, geometric dilution of precision, other Loran-C signals, communication information superimposed on the navigation signal, and coordinate conversion.
Standard

Transmitted Enhanced Loran (eLoran) Signal Standard for Tri-State Pulse Position Modulation

2018-09-17
CURRENT
SAE9990/1
This eLoran transmitted signal standard provides technical descriptions of a data channel based on the tri-state pulse position modulation technique. The eLoran transmitted signal standard, to which this data channel technique applies, is part of the SAE9990 family of standards covering data channels, receiver specifications, and recommended practices for eLoran.
Standard

Transmitted Enhanced Loran (eLoran) Signal Standard for 9th Pulse Modulation

2018-09-17
CURRENT
SAE9990/2
This eLoran transmitted signal standard provides technical descriptions of the data channel using ninth pulse modulation techniques. The eLoran transmitted signal standard, to which this data channel technique applies, is part of the SAE9990 family of standards covering data channels, receiver specifications, and recommended practices for eLoran.
Standard

Transmitted Enhanced Loran (eLoran) Signal Standard

2018-09-13
CURRENT
SAE9990
This transmitted eLoran signal standard provides technical descriptions of the waveform, specifications, and explanations. The data channel, receiver specification, and recommended practices are described in the SAE9990 family of standards.
Standard

U.S. National Grid Standard

2018-08-22
CURRENT
SAE1002
This standard, SAE1002, is a republication of FGDC-STD-011-2001, and defines a preferred USNG for mapping applications at scales of approximately 1:1000000 and larger. It defines how to present Universal Transverse Mercator (UTM) coordinates at various levels of precision. It specifies the use of those coordinates with the grid system defined by the Military Grid Reference System (MGRS). Additionally, it addresses specific presentation issues such as grid spacing. Together, the UTM coordinate representation, the MGRS grid, and the specific grid presentation requirements define the USNG. Use of USNG grid coordinates may be useful, and even desirable, within some systems or enterprises. The decision to use USNG grid coordinates or some other coordinate system internal to geographic information systems or location service appliances is left to the discretion of the system developer as long as the human interface provides for USNG grid coordinate readout as one option.
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