Telecommunications
Department of Trade and Industry
WIRELESS TELEGRAPHY ACT 1949
NOTICE OF VARIATION OF CITIZENS’ BAND RADIO LICENCE
The Secretary of State hereby gives notice, pursuant to section 1(4) of the Wireless
Telegraphy Act 1949, to holders of the Citizens’ Band Radio Licence (“The Licensee”),
that, with effect from 20 December 2002, each Licence shall be varied as follows:
1. In this notice, “the Booklet” means the Citizens’ Band Radio Licence Terms, Provisions
and Limitations Booklet RA369 (REV 1), the terms of which form part of the Licence.
2. As from 20 December 2002, the Licence shall be read and construed as if:
(a) the following new sub-clause 2(c) were inserted as follows:
(c) in the following modes:
(i) unattended operation of a CB station;
(ii) operation of CB station in digi-peater mode or node operation;
(iii) operation of all mailbox and bulletin board systems;
(iv) interconnection with any other networks including the Public Switch Telephone
Network (PSTN)
(b) a new Clause 12 were inserted as follows:
“Operation by the Licensee of data on a CB station”
12. Operation by the Licensee of data on a CB station is limited to a one-to-one
operation, which does not include digi-peater mode and shall be on the following basis:
(a) the channels shall be used in simplex mode only;
(b) the data unit interface with the Wireless Telegraphy apparatus forming a CB station
shall be made only through the external microphone input socket and/or receive audio/speaker
output socket with the aid of suitable cables/switch;
(c) the data modulating the transmitter shall be the AX25 Amateur Packet Radio Link
Layer Protocol;
(d) the class of emission shall be G2D. Only two tones shall modulate the (said)
transmitter. The maximum frequency of the highest tone modulating the (said) transmitter
shall be 2200Hz. There shall be not more than 1000 Hz frequency between the two tones.
If a connection is not established within 20 seconds, the transmitter keying control
line shall be reset;
(e) the Licensee shall transmit their full postcode in Morse telegraphy;
(i) at the beginning and end of each period of communication;
(ii) at the end of each interval of 15 minutes, when the period of communication
is longer than 15 minutes;
(iii) at the beginning of transmission on a new frequency (whenever the frequency
of transmission is changed); and
(iv) on the same carrier frequency that is being used for communication.
(f) the Licensee shall ensure that the data interface equipment is compatible with
the wireless telegraphy apparatus forming part of a CB Station, that any interconnecting
cables/switch which are fitted are suitable for operation and that no interference
to other electrical, electronic or radio apparatus is caused;
(g) the wireless telegraphy apparatus forming part of a CB Station shall comply with
UK Interface Requirement 2027 published by the Radiocommunications Agency of the Department
of Trade and Industry, when operated in conjunction with the data interface equipment;
(h) apart from the operation of data on a CB Station, and subject to the preceding
clauses, Licensees shall comply with the relevant existing licensing terms provisions
and limitations”;
(c) clause 12 were re-numbered clause 13; and
(d) the notes to the Booklet were amended as follows:
(i) paragraph 4(a)(iii) were replaced with the following words:
“Devices designed to encrypt or distort speech or data”;
(ii) a new Note 10 were inserted as follows:
“Information which infringes the Data Protection Act 1998, copyright, personal or
corporate privacy shall not be sent.”; and
(iii) a new Note 11 were inserted as follows:
“Channels EU24(27.235MHz), EU25(27.245MHz) and EU32(27.325MHz) within the existing
CEPT allocations should be used for transmission of data.”.
(iv) a new note 12 were inserted as follows:
“Digi-peater mode is mode available within the AX25 Amateur Packet Radio Link Layer
Protocol whereby the data unit re-transmits a received packet in the form received
and without error correction.”
(v) a new note 13 were inserted as follows:
A node is a data unit connected to one or more CB radios forming all or part of a
CB station able to store and re-transmit for onward routing, complete or parts of
a message.
On behalf of the Secretary of State for Trade and Industry
20 December 2002.