Wrotham - Ofcom TX Visualiser

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Wrotham

London and the South East · BBC Radio 3 · 91.3 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 125 kW

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 dB attenuation; relative ERP 100% of peak 20°: 0 dB attenuation; relative ERP 100% of peak 30°: 0.2 dB attenuation; relative ERP 95.5% of peak 40°: 0.8 dB attenuation; relative ERP 83.2% of peak 50°: 2 dB attenuation; relative ERP 63.1% of peak 60°: 3.1 dB attenuation; relative ERP 49% of peak 70°: 3.6 dB attenuation; relative ERP 43.7% of peak 80°: 3.7 dB attenuation; relative ERP 42.7% of peak 90°: 3.6 dB attenuation; relative ERP 43.7% of peak 100°: 2.7 dB attenuation; relative ERP 53.7% of peak 110°: 1.5 dB attenuation; relative ERP 70.8% of peak 120°: 0.6 dB attenuation; relative ERP 87.1% of peak 130°: 0 dB attenuation; relative ERP 100% of peak 140°: 0.1 dB attenuation; relative ERP 97.7% of peak 150°: 0.2 dB attenuation; relative ERP 95.5% of peak 160°: 1 dB attenuation; relative ERP 79.4% of peak 170°: 2.1 dB attenuation; relative ERP 61.7% of peak 180°: 3.2 dB attenuation; relative ERP 47.9% of peak 190°: 3.6 dB attenuation; relative ERP 43.7% of peak 200°: 3.7 dB attenuation; relative ERP 42.7% of peak 210°: 3.4 dB attenuation; relative ERP 45.7% of peak 220°: 2.7 dB attenuation; relative ERP 53.7% of peak 230°: 1.7 dB attenuation; relative ERP 67.6% of peak 240°: 0.6 dB attenuation; relative ERP 87.1% of peak 250°: 0.2 dB attenuation; relative ERP 95.5% of peak 260°: 0.2 dB attenuation; relative ERP 95.5% of peak 270°: 0 dB attenuation; relative ERP 100% of peak 280°: 0.8 dB attenuation; relative ERP 83.2% of peak 290°: 2.1 dB attenuation; relative ERP 61.7% of peak 300°: 3 dB attenuation; relative ERP 50.1% of peak 310°: 3.6 dB attenuation; relative ERP 43.7% of peak 320°: 3.8 dB attenuation; relative ERP 41.7% of peak 330°: 3.6 dB attenuation; relative ERP 43.7% of peak 340°: 3 dB attenuation; relative ERP 50.1% of peak 350°: 1.8 dB attenuation; relative ERP 66.1% 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): 10°, 20°, 130°, 270° at 0 dB attenuation.

Deepest restriction(s): 320° at 3.8 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 125 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 1.9 dB attenuation; relative ERP 64.6% of peak 10°: 0.8 dB attenuation; relative ERP 83.2% of peak 20°: 0.3 dB attenuation; relative ERP 93.3% of peak 30°: 1 dB attenuation; relative ERP 79.4% of peak 40°: 2.9 dB attenuation; relative ERP 51.3% of peak 50°: 3.3 dB attenuation; relative ERP 46.8% of peak 60°: 1.8 dB attenuation; relative ERP 66.1% of peak 70°: 0.4 dB attenuation; relative ERP 91.2% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 0.9 dB attenuation; relative ERP 81.3% of peak 100°: 2.6 dB attenuation; relative ERP 55% of peak 110°: 3.3 dB attenuation; relative ERP 46.8% of peak 120°: 2.1 dB attenuation; relative ERP 61.7% of peak 130°: 0.6 dB attenuation; relative ERP 87.1% of peak 140°: 0.3 dB attenuation; relative ERP 93.3% of peak 150°: 1.1 dB attenuation; relative ERP 77.6% of peak 160°: 2.7 dB attenuation; relative ERP 53.7% of peak 170°: 3.5 dB attenuation; relative ERP 44.7% of peak 180°: 2 dB attenuation; relative ERP 63.1% of peak 190°: 0.5 dB attenuation; relative ERP 89.1% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 0.5 dB attenuation; relative ERP 89.1% of peak 220°: 2.4 dB attenuation; relative ERP 57.5% of peak 230°: 3.2 dB attenuation; relative ERP 47.9% of peak 240°: 1.9 dB attenuation; relative ERP 64.6% of peak 250°: 0.6 dB attenuation; relative ERP 87.1% of peak 260°: 0.3 dB attenuation; relative ERP 93.3% of peak 270°: 1 dB attenuation; relative ERP 79.4% of peak 280°: 2.7 dB attenuation; relative ERP 53.7% of peak 290°: 3.4 dB attenuation; relative ERP 45.7% of peak 300°: 1.7 dB attenuation; relative ERP 67.6% of peak 310°: 0.4 dB attenuation; relative ERP 91.2% of peak 320°: 0.1 dB attenuation; relative ERP 97.7% of peak 330°: 0.7 dB attenuation; relative ERP 85.1% of peak 340°: 2.6 dB attenuation; relative ERP 55% of peak 350°: 3.2 dB attenuation; relative ERP 47.9% 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): 80°, 200° at 0 dB attenuation.

Deepest restriction(s): 170° at 3.5 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio 3
Area London and the South East
Site Wrotham
Licence BBC000003
mb21 Wrotham
Frequency 91.3
NGR TQ59516044
RDS PS _BBC_R3_
RDS PI C203
Switched PI
TP/TA
TMC
Lat 51.320705
Long 0.287703
Site Ht 219
In-Use Aerial Ht 150
In-UseERP/HP 125 kW
In-Use ERP/VP 125 kW
Max Dir
Licensed ERP/HP 125 kW
Licensed ERP/VP 125 kW

Pattern values

In-use horizontal 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°
0.5000.20.823.13.63.73.62.71.50.600.10.212.13.23.63.73.42.71.70.60.20.200.82.133.63.83.631.8

In-use vertical 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°
1.90.80.312.93.31.80.400.92.63.32.10.60.31.12.73.520.500.52.43.21.90.60.312.73.41.70.40.10.72.63.2