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Frequency assignments between US and Canadian users are closely coordinated since much of the Canadian population is within VHF radio range of the US border. Certain discrete frequencies are reserved for radio astronomy. The general services in the VHF band are: 30–49.6 MHz: Licensed 2-way land mobile communication, with various sub-bands. [a]
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz).Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication.
High Frequency (HF) (3 to 30 MHz) see Table of amateur MF and HF bandplans; Very High Frequency (VHF) (30 to 300 MHz) 8 metres (39.9 to 40.7 MHz), Republic of Ireland, Slovenia and South Africa. Beacons in UK and Denmark; 6 metres (50 to 52/54 MHz) 5 metres (59.5 to 60.1 MHz), Republic of Ireland. The Beacon in UK
US frequency allocations chart, 2016. Frequency allocation ... Because radio propagation does not stop at national boundaries, ... TV low VHF 54–88 100 Land mobile (EU)
The pool describes a series of frequencies on the VHF and UHF two-way radio bands. They are reserved for use by companies and individuals operating commercial activities; educational, philanthropic, or ecclesiastical institutions; clergy activities; or hospitals, clinics, or medical associations. [1]
The Pan-American television frequencies are different for terrestrial and cable television systems. Terrestrial television channels are divided into two bands: the VHF band which comprises channels 2 through 13 and occupies frequencies between 54 and 216 MHz, and the UHF band, which comprises channels 14 through 36 and occupies frequencies between 470 and 608 MHz.
A standard handheld marine VHF, mandatory on larger seagoing vessels under the GMDSS rules A VHF set and a VHF channel 70 DSC set, the DSC on top A vintage (76-89) marine VHF radiotelephone. Marine VHF radio is a worldwide system of two way radio transceivers on ships and watercraft used for bidirectional voice communication from ship-to-ship ...
The 2-meter amateur radio band is a portion of the VHF radio spectrum that comprises frequencies stretching from 144 MHz to 148 MHz [1] in International Telecommunication Union region (ITU) Regions 2 (North and South America plus Hawaii) and 3 (Asia and Oceania) [2] [3] and from 144 MHz to 146 MHz in ITU Region 1 (Europe, Africa, and Russia).