Glossary:

ATIS Telecom Glossary

Search Keyword By: O

Select a term name to open its entry and any media references. Longer definitions end with a “Read More” link.

OLSP

Old Local Service Provider

OLT

Optical Line Terminal

OMA

Open Mobile Alliance

OMCC

ONT (Optical Network Terminal) Management Control Interface

OMCI

ONT (Optical Network Terminal) Management Control Interface

Omega

A global radionavigation system that enables user with special receivers to obtain position information by measuring phase difference between precisely timed signals radiated by a network of eight transmitting stations deployed worldwide.
Note: The transmitted signals time-share transmission on frequencies of
1
0. 2,
1
1. 05,
1
1. 33, and
1
3. 6 kHz. Since the transmissions are coordinated… (Read More →)

OMG

Object Management Group

omnidirectional antenna

An antenna that has a radiation pattern that is nondirectional in azimuth.
Note: The vertical radiation pattern may be of any shape.

omnidirectional range station

A radionavigation land station in the aeronautical radionavigation service providing direct indication of the bearing (omnibearing) of that station from an aircraft. [NTIA]

Showing 61–70 of 307 results