http://www.legislation.gov.uk/id/uksi/1989/1929

2.

The Wireless Telegraphy (Licence Charges) Regulations 19896 are hereby amended in the Schedule by substituting for the provisions relating to Maritime Business Radio and Private Mobile Radio (Standard) the following provisions respectively—

“Maritime Business Radio
For each base station: per channel designated for use by that base station—£120 for one or more but not exceeding 10 mobile stations; £250 for more than 10 but not exceeding 25 mobile stations; £400 for more than 25 but not exceeding 40 stations; for more than 40 mobile stations—£400 for the first 40 plus £200 for each successive group of 20 and £200 for any final group of less than 20
Yearly
Private Mobile Radio (Standard)
For national channels—£5,000 for each channel; for other channels—£120 for one or more but not exceeding 10 mobile stations; £250 for more than 10 but not exceeding 25 mobile stations; £400 for more than 25 but not exceeding 40 mobile stations; for more than 40 mobile stations—£400 for the first 40 plus £200 for each successive group of 20 and £200 for any final group of less than 20.
Yearly”.

“Maritime Business Radio	For each base station: per channel designated for use by that base station—£120 for one or more but not exceeding 10 mobile stations; £250 for more than 10 but not exceeding 25 mobile stations; £400 for more than 25 but not exceeding 40 stations; for more than 40 mobile stations—£400 for the first 40 plus £200 for each successive group of 20 and £200 for any final group of less than 20	Yearly
Private Mobile Radio (Standard)	For national channels—£5,000 for each channel; for other channels—£120 for one or more but not exceeding 10 mobile stations; £250 for more than 10 but not exceeding 25 mobile stations; £400 for more than 25 but not exceeding 40 mobile stations; for more than 40 mobile stations—£400 for the first 40 plus £200 for each successive group of 20 and £200 for any final group of less than 20.	Yearly”.