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Uniden was established on February 7, 1966, by its founder Hidero Fujimoto as "Uni Electronics Corp". Uniden became a well-known brand in the 1970s by manufacturing and marketing millions of citizens band radios (CB), under the Uniden brand as well as other companies such as Midland and Realistic, which rebranded the equipment under their own labels.
There is also nothing to prevent multiple groups in the same area from choosing the same channel, causing conflicts and 'cross-talk'. A trunked radio system is an advanced alternative in which the channel selection process is done automatically, so as to avoid channel conflicts and maintain frequency efficiency across multiple talkgroups.
List of unsolved problems may refer to several notable conjectures or open problems in various academic fields: Natural sciences, engineering and medicine
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]
Receivers in a system using 67.0 Hz can take noticeably longer to decode than ones using 203.5 Hz, and they can take longer than one decoding 250.3 Hz. In some repeater systems, the time lag can be significant. The lower tone may cause one or two syllables to be clipped before the receiver audio is unmuted (is heard).
This is the problem that track while scan is meant to address. In traditional radar systems, the display is purely electrical; signals from the radar dish are amplified and sent directly to an oscilloscope for display. There is a one-to-one correspondence between "blips" on the display and a radio signal being received from the antenna.
The problem is not understood until after the formulation of a solution. Wicked problems have no stopping rule. Solutions to wicked problems are not right or wrong. Every wicked problem is essentially novel and unique. Every solution to a wicked problem is a "one shot operation". Wicked problems have no given alternative solutions.
As a student, Munroe often drew charts, maps, and "stick figure battles" in the margins of his school notebooks, besides solving mathematical problems unrelated to his classes. By the time he graduated from college, Munroe's "piles of notebooks" became too large and he started scanning the images.