Data message

Data message

Also known as the Navigation Message. A 1500 bit message modulated on the L1 and L2 GPS signal, which contains the satellite's location (or ephemeris), clock (bias) correction parameters, constellation almanack information and satellite health.

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Part of Speech: noun
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Industry/Domain: Telecommunications
Category: GPS (global positioning system)
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data message

Telecommunications; GPS (global positioning system)

Also known as the Navigation Message. A 1500 bit message modulated on the L1 and L2 GPS signal, which contains the satellite's location (or ephemeris), clock (bias) correction ...

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Software; Globalization software service

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alert data message (ADM)

Fire safety; Prevention & protection

An analog or digital signal containing instructions for how a public alerting system alerting appliance (PASAA) is to deliver and, if capable, to acknowledge a public alert.

multiple data message format (MDMF)

Telecommunications; General telecom

A series of data words specifying message type, message length, parameter message (s,) and error detection information. The parameter message consists of one or more parameters. ...

message

Telecommunications; General telecom

Any thought or idea expressed briefly in a plain or secret language, prepared in a form suitable for transmission by any means of communication. Note: A message may be a one-unit ...

message

Language; General language

This term variously refers either to a text or to the meaning of a text - referents which literalists tend to conflate.

Tagg-The Pet Tracker

Telecommunications; GPS (global positioning system)

Tagg—The Pet Tracker is a purpose-built pet tracking device that uses advanced GPS and wireless technology to help you track your pet's location and activity, giving you peace of ...

chip-scale combinatorial atomic navigator (C-SCAN)

Telecommunications; GPS (global positioning system)

An advanced global positioning system that does not require GPS satellites to accurately determine the precise location of a given point on earth. Developed by the U.S. Defense ...

differential GPS (DGPS)

Telecommunications; GPS (global positioning system)

An extension of the GPS system that uses land-based radio beacons to transmit position corrections to GPS receivers. DGPS reduces the effect of selective availability, propagation ...

cartography

Telecommunications; GPS (global positioning system)

The art or technique of making maps or charts. Many GPS receivers have detailed mapping—or cartography—capabilities.

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Telecommunications; GPS (global positioning system)

Class of Survey is a means of categorising the internal quality, or precision of a survey. The number of categories, the notation applied, and the accuracy tolerances defining the ...

clock bias

Telecommunications; GPS (global positioning system)

The difference between the indicated clock time in the GPS receiver and true universal time (or GPS satellite time).

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