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Some professional systems use a phase-reversal of the CTCSS tone at the end of a transmission to eliminate the squelch crash or squelch tail. This is common with General Electric Mobile Radio and Motorola systems. When the user releases the push-to-talk button the CTCSS tone does a phase shift for about 200 milliseconds.
In most systems, the radio's receive audio would latch on if normally muted. In systems using a combination of audible tone sequences and CTCSS, it is common practice to turn off the CTCSS encode while the two-tone sequence is sent. This means system users with CTCSS decoders do not have to listen to the paging tones.
DCS (Digital-Coded Squelch), generically known as CDCSS (Continuous Digital-Coded Squelch System), was designed as the digital replacement for CTCSS. In the same way that a single CTCSS tone would be used on an entire group of radios, the same DCS code is used in a group of radios.
An operator training simulator (OTS) is a computer-based training system that uses a dynamic simulation model of an industrial process, usually integrated with an emulator of the process plant's Distributed Control System (DCS).
Several hand-held Project 25 radios used around the world. Project 25 (P25 or APCO-25) is a suite of standards for interoperable digital two-way radio products. P25 was developed by public safety professionals in North America and has gained acceptance for public safety, security, public service, and commercial applications worldwide. [1]
Texas A&M University System Chancellor John Sharp told lawmakers the legislation “makes it crystal clear” that “if you tread back into the bad waters, something bad is going to happen to you.”
A dispatcher training simulator (DTS), also known as an operator training simulator (OTS), is a computer-based training system for operators (known as dispatchers) of electrical power grids. [ 1 ] [ 2 ] It performs this role by simulating the behaviour of the electrical network forming the power system under various operating conditions, and ...
Two West Texas-area healthcare entities - the Texas Tech Health Sciences Center system and University Medical Center in Lubbock - are days into widespread IT outages, with UMC confirming it is six ...