Alexandra Palace - Ofcom TX Visualiser

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Alexandra Palace

North London · London 2 · 12A / 223.936 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 1.047 kW

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 30/11/2000
Ensemble London 2
Licence DL000011
mb21 Alexandra Palace
Ensemble Area London
EID C186
Transmitter Area North London
Site Alexandra Palace
Freq. 223.936
Block 12A
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 102
In-Use ERP Total 1.047 kW
Dir Max ERP

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°
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