Filter
Top Products
Glossary-8 Acutime 2000 Synchronization Kit User Guide
Glossary
interface cable The interface cable allows data to flow between the
Acutime 2000 and the communication equipment.
interference Refers to the unwanted occurrences on communication
channels that are a result of natural or man-made noises and
signals, not properly a part of the signals being transmitted
or received.
integrated
Doppler
A measurement of Doppler shift frequency or phase over
time.
IODE Issue Of Data, Ephemeris. Part of the navigation data. It is
the issue number of the ephemeris information. A new
ephemeris is available usually on the hour. Especially
important for Differential GPS operation that the IODE
change is tracked at both the reference station and mobile
stations.
jamming Interference (in either transmitting or receiving signals)
caused by other radio signals at exactly or approximately the
same frequency.
masks See satellite masks.
maximum PDOP A measure of the maximum Position Dilution of Precision
(PDOP) that is acceptable in order for the GPS processor to
determine a location solution (see PDOP).
NAVSTAR The name given to the GPS satellites, built by Rockwell
International, which is an acronym formed from NAVigation
System with Time And Ranging.
NMEA National Marine Electronics Association. An association
that defines marine electronic interface standards for the
purpose of serving the public interest.
NMEA 0183
message
NMEA 0183 is a standard for interfacing marine electronics
navigational devices. The standard specifies the message
format used to communicate with marine devices/
components.