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A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves ), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver, which only receives transmissions. Two-way radios usually use a half-duplex communication channel ...
License. GPL-2.0-only with linking exception. Website. openjdk .org. OpenJDK ( Open Java Development Kit) is a free and open-source implementation of the Java Platform, Standard Edition (Java SE). [2] It is the result of an effort Sun Microsystems began in 2006. The implementation is licensed under the GPL-2.0-only with a linking exception.
Multi-Use Radio Service. In the United States, the Multi-Use Radio Service ( MURS) is a licensed by rule (i.e. under part 95, subpart J, of title 47, Code of Federal Regulations [1]) two-way radio service similar to the Citizens band (CB). Established by the U.S. Federal Communications Commission in the fall of 2000, MURS created a radio ...
A trunked radio system is a two-way radio system that uses a control channel to automatically assign frequency channels to groups of user radios. In a traditional half-duplex land mobile radio system a group of users (a talkgroup) with mobile and portable two-way radios communicate over a single shared radio channel, with one user at a time ...
Radio over Internet Protocol, or RoIP, is similar to Voice over IP (VoIP), but augments two-way radio communications rather than telephone calls. From the system point of view, it is essentially VoIP with push-to-talk. To the user it can be implemented like any other radio network. With RoIP, at least one node of a network is a radio (or a ...
Open-source software ( OSS) is computer software that is released under a license in which the copyright holder grants users the rights to use, study, change, and distribute the software and its source code to anyone and for any purpose. [ 1][ 2] Open-source software may be developed in a collaborative, public manner.
v. t. e. The history of free and open-source software begins at the advent of computer software in the early half of the 20th century. In the 1950s and 1960s, computer operating software and compilers were delivered as a part of hardware purchases without separate fees. At the time, source code —the human-readable form of software—was ...
Endrov Image and data viewer and editor. It is available under the BSD license. [40] GIMIAS is a workflow-oriented environment focused on biomedical image computing and simulation. It is available under a BSD-style license. [41] Ginkgo CADx Cross-platform open source DICOM viewer and dicomizer.