UK Broadcast Transmission
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BBC VHF 405 line TRANSMITTERS

HOLME MOSS
Channel 2V Max ERP: 100kW (directional)
Vision carrier: 51.75MHz Sound Carrier: 48.25MHz
The field strength contours on this map represent average values with the E.R.P. indicated; variations of as much as 3:1 in field strength may occur at individual points. The 0.1mV/m contour should not be interpreted as a rigid boundary of the area served, since the quality of reception obtainable would have depended on local conditions. Fading and interference may at times have been experienced in the outer areas served and also, in difficult locations, nearer the transmitter.
-x-x-x-x- Limit of service area free from co-channel interference for 90% of the time
BBC Engineering information sheet 2909 (2) May 1964

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