Alexandra Palace - Ofcom TX Visualiser

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Alexandra Palace

North London · London 1 · 12C / 227.36 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 793.8 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 2.2 dB attenuation; relative ERP 60.3% of peak 10°: 2.9 dB attenuation; relative ERP 51.3% of peak 20°: 2.3 dB attenuation; relative ERP 58.9% of peak 30°: 1.7 dB attenuation; relative ERP 67.6% of peak 40°: 1.4 dB attenuation; relative ERP 72.4% of peak 50°: 1 dB attenuation; relative ERP 79.4% of peak 60°: 1 dB attenuation; relative ERP 79.4% of peak 70°: 1.5 dB attenuation; relative ERP 70.8% of peak 80°: 2 dB attenuation; relative ERP 63.1% of peak 90°: 2.6 dB attenuation; relative ERP 55% of peak 100°: 2.2 dB attenuation; relative ERP 60.3% of peak 110°: 1.9 dB attenuation; relative ERP 64.6% of peak 120°: 1.5 dB attenuation; relative ERP 70.8% of peak 130°: 0.8 dB attenuation; relative ERP 83.2% of peak 140°: 0.4 dB attenuation; relative ERP 91.2% of peak 150°: 0.4 dB attenuation; relative ERP 91.2% of peak 160°: 1 dB attenuation; relative ERP 79.4% of peak 170°: 1.6 dB attenuation; relative ERP 69.2% of peak 180°: 2.2 dB attenuation; relative ERP 60.3% of peak 190°: 2.8 dB attenuation; relative ERP 52.5% of peak 200°: 2.4 dB attenuation; relative ERP 57.5% of peak 210°: 2.1 dB attenuation; relative ERP 61.7% of peak 220°: 1.7 dB attenuation; relative ERP 67.6% of peak 230°: 1.2 dB attenuation; relative ERP 75.9% of peak 240°: 1.2 dB attenuation; relative ERP 75.9% of peak 250°: 1.8 dB attenuation; relative ERP 66.1% of peak 260°: 2.4 dB attenuation; relative ERP 57.5% of peak 270°: 3 dB attenuation; relative ERP 50.1% of peak 280°: 2.3 dB attenuation; relative ERP 58.9% of peak 290°: 1.7 dB attenuation; relative ERP 67.6% of peak 300°: 1 dB attenuation; relative ERP 79.4% of peak 310°: 0.4 dB attenuation; relative ERP 91.2% of peak 320°: 0 dB attenuation; relative ERP 100% of peak 330°: 0 dB attenuation; relative ERP 100% of peak 340°: 0.7 dB attenuation; relative ERP 85.1% of peak 350°: 1.6 dB attenuation; relative ERP 69.2% 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): 320°, 330° at 0 dB attenuation.

Deepest restriction(s): 270° at 3 dB attenuation.

Parameters

Date 02/06/2000
Ensemble London 1
Licence DL000003
mb21 Alexandra Palace
Ensemble Area London
EID C185
Transmitter Area North London
Site Alexandra Palace
Freq. 227.36
Block 12C
TII Main Id (Hex) 0B
TII Sub Id (Hex) 02
NGR TQ29689006
Longitude/Latitude 000W07 45 51N35 40
Lat 51.594469
Long -0.129257
Site Height 92
In-Use Ae Ht 100
In-Use ERP Total 793.8 W
Dir Max ERP

Services listed for this ensemble row

TypeService labelSIdLSN
Audio Capital C479 196 1A9 1C0 1C9
Audio Grt Hits London C0E5 1E6 1E7 1FE
Audio Heart London C460 197 1A7
Audio Smooth Radio C787 1B7 1B8 1B9
Audio Absolute 10s C9CF 1D0
Audio Gold C8D3 19A
Audio KISS London C483 193
Audio Magic Radio Ldn C788 1A4
Audio Absolute 80s C3F9
Audio Hits Radio London C5E3
Audio Smooth Country CDE9 1F2
Audio HITS RADIO PRIDE CAEC
Audio Classic FM Movies CDF7
Audio Absolute Radio CFFD
Audio Heat CDCE
Audio KISS FRESH CDD1
Audio Kiss Dance CDF3
Audio Absolute 00s CDC1
Audio Absolute Country CCE7
Data Logos E1C000D7

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°
2.22.92.31.71.4111.522.62.21.91.50.80.40.411.62.22.82.42.11.71.21.21.82.432.31.710.4000.71.6