Template:UK System I

{{documentation|content = This is a calculator for the vision carrier frequencies of the UK's now-obsolete 625-line PAL analogue TV system.

Usage

 * Input parameter
 * ch is the channel (must be between 21 and 69). 69 was hardly (if ever) used, but was a valid channel in Band V.

So: generates "" (one of the Band IV frequencies). generates "" (one of the Band V frequencies). }}