# The Wireless Telegraphy (Licence Charges) Regulations 1999, Schedule 4: HEAVILY CONGESTED AND CONGESTED AREAS FOR ON-SITE PRIVATE BUSINESS RADIO LICENCE


Designation of area
National Grid References for 10 km × 10 km areas
Heavily congested
TQ 250750; TQ 250850; TQ 350750; TQ 350850
Congested
TQ 150750; TQ 150850; TQ 250950; TQ 350950; TQ 450750; TQ 450850

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Source: https://www.legislation.gov.uk/uksi/1999/1774/schedule/4 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-licence-charges-regulations-1999/schedule-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.