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Private Mobile Radio: An Introduction
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Specified Frequencies Only

Because there are so many people and organisations out there, with many different uses for the radio spectrum [1] , someone has to say who goes where. For this reason, when the R.A. issue a license, they specify which frequencies can be used with it. At the moment our frequencies are 86.3750Mhz and 86.3625Mhz

Although this sounds like a restriction, it is really a good thing. Just as we cannot use other people's frequencies, they cannot use ours [2] which make them as secure as they can be. [3]

Notes

[1]

The radio spectrum is the collective name for the space that is available for radio waves. Although the radio spectrum is huge, as any one frequency can only be used for one purpose at once it gets used up very quickly. A full description of how radio waves work and the radio spectrum is outside of the reach of this booklet.

[2]

Actually, the R.A. can and have issued the frequencies given to us to other people as well, but it is very rare for us to hear them, or them to hear us.

[3]

Radio transmissions of any description can be overheard with the right equipment. Even digital GSM mobile phones can be eavesdropped on. Never assume that a frequency is totally secure.

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Last modified: Mon Jun 18 08:16:19 2001