BT Tower - Ofcom TX Visualiser

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BT Tower

Central London · London 3 · 11B / 218.64 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 800 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 25/04/2012
Ensemble London 3
Licence DL000026
mb21 BT Tower
Ensemble Area London
EID C199
Transmitter Area Central London
Site BT Tower
Freq. 218.64
Block 11B
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 800 W
Dir Max ERP 340°

Services listed for this ensemble row

TypeService labelSIdLSN
Audio Bloomberg Radio C1DB
Audio Gaydio C9C9
Audio Lyca Radio CECE
Audio Lyca Gold CECD
Audio Premier Gospel C9C8
Audio Voice of Islam C6D7
Audio Athavan Radio C4DC
Audio Sout Al Khaleej CFC1
Audio Panjab Radio CED8
Audio Matryoshka Radio CFD6
Audio LBC London News C5C2
Audio Capital Chill C4F6
Audio Heart 10s CAFE
Audio Classic FM Calm CAFF
Audio Heart Musicals CCF9
Audio Heart Love CCFA
Audio Smooth 70s CCFC
Audio Radio X 90s CCFD
Audio Radio X Chilled CCFE
Audio Radio X 00s CCFF
Audio Smooth Soul CCFB

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