BT Tower - Ofcom TX Visualiser

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BT Tower

Central London · London 2 · 12A / 223.936 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 710 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0.5 dB attenuation; relative ERP 89.1% of peak 10°: 0.2 dB attenuation; relative ERP 95.5% of peak 20°: 0 dB attenuation; relative ERP 100% of peak 30°: 0 dB attenuation; relative ERP 100% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 0.4 dB attenuation; relative ERP 91.2% of peak 60°: 0.8 dB attenuation; relative ERP 83.2% of peak 70°: 1.3 dB attenuation; relative ERP 74.1% of peak 80°: 2 dB attenuation; relative ERP 63.1% of peak 90°: 3 dB attenuation; relative ERP 50.1% of peak 100°: 3.8 dB attenuation; relative ERP 41.7% of peak 110°: 4.9 dB attenuation; relative ERP 32.4% of peak 120°: 6 dB attenuation; relative ERP 25.1% of peak 130°: 6.4 dB attenuation; relative ERP 22.9% of peak 140°: 6.7 dB attenuation; relative ERP 21.4% of peak 150°: 7 dB attenuation; relative ERP 20% of peak 160°: 7 dB attenuation; relative ERP 20% of peak 170°: 7 dB attenuation; relative ERP 20% of peak 180°: 6.7 dB attenuation; relative ERP 21.4% of peak 190°: 6.4 dB attenuation; relative ERP 22.9% of peak 200°: 6 dB attenuation; relative ERP 25.1% of peak 210°: 4.9 dB attenuation; relative ERP 32.4% of peak 220°: 3.8 dB attenuation; relative ERP 41.7% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 2 dB attenuation; relative ERP 63.1% of peak 250°: 1.2 dB attenuation; relative ERP 75.9% of peak 260°: 0.7 dB attenuation; relative ERP 85.1% of peak 270°: 0.4 dB attenuation; relative ERP 91.2% of peak 280°: 0 dB attenuation; relative ERP 100% of peak 290°: 0 dB attenuation; relative ERP 100% of peak 300°: 0 dB attenuation; relative ERP 100% of peak 310°: 0.3 dB attenuation; relative ERP 93.3% of peak 320°: 0.5 dB attenuation; relative ERP 89.1% of peak 330°: 0.8 dB attenuation; relative ERP 83.2% of peak 340°: 1 dB attenuation; relative ERP 79.4% of peak 350°: 0.8 dB attenuation; relative ERP 83.2% of peak

Pattern values are treated as dB attenuation. The outer ring is the lowest attenuation / strongest direction; radius uses field-strength scaling: 10−dB/20.

Best bearing(s): 20°, 30°, 40°, 280°, 290°, 300° at 0 dB attenuation.

Deepest restriction(s): 150°, 160°, 170° at 7 dB attenuation.

Parameters

Date 25/04/2005
Ensemble London 2
Licence DL000011
mb21 BT Tower
Ensemble Area London
EID C186
Transmitter Area Central London
Site BT Tower
Freq. 223.936
Block 12A
TII Main Id (Hex) 08
TII Sub Id (Hex) 17
NGR TQ29228193
Longitude/Latitude 000W08 20 51N31 17
Lat 51.521514
Long -0.138879
Site Height 27
In-Use Ae Ht 192
In-Use ERP Total 710 W
Dir Max ERP 340°

Services listed for this ensemble row

TypeService labelSIdLSN
Audio Mi-Soul C7CD
Audio BBC Radio London CC31 77
Audio Nation London C8D9 1AC
Audio 88.3 CENTREFORCE C6E3
Audio Radio Maria Eng C9EA
Audio Virgin 80s C1EB 1F1
Audio Sunrise Retro CDDB
Audio Nation 80s C2EF
Audio Colourful C7EC
Audio ADVENTIST RADIO CBDE
Audio CountryLineRadio C2D4
Audio Virgin 90s C248
Audio Nation 70s C2ED
Audio Nation 90s C2FA
Audio NationClasHits C2FE
Audio Boom Lite C9C2
Audio Track Radio CC5C
Data Slideshow E1C000D1

Pattern values

Antenna pattern

0°10°20°30°40°50°60°70°80°90°100°110°120°130°140°150°160°170°180°190°200°210°220°230°240°250°260°270°280°290°300°310°320°330°340°350°
0.50.20000.40.81.3233.84.966.46.77776.76.464.93.8321.20.70.40000.30.50.810.8