# The Wireless Telegraphy (Licence Charges) (Amendment) Regulations 1999, Schedule 3: WIDE AREA PRIVATE BUSINESS RADIO LICENCE


“PART II
HEAVILY CONGESTED AND CONGESTED AREAS
Designation of area
National Grid References for 10 km × 10 km areas
Heavily congested
TQ 200700; TQ 200800; TQ300700; TQ 300800
Congested
TQ 100700; TQ 100800; TQ 200900; TQ 300900; TQ 400700; TQ 400800
”.

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Source: https://www.legislation.gov.uk/uksi/1999/3243/schedule/3 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-licence-charges-amendment-regulations-1999/schedule-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.