Wrotham - Ofcom TX Visualiser

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Wrotham

North West Kent · BBC National DAB · 12B / 225.648 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 10 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0.24 dB attenuation; relative ERP 94.6% of peak 10°: 0.71 dB attenuation; relative ERP 84.9% of peak 20°: 1.26 dB attenuation; relative ERP 74.8% of peak 30°: 1.25 dB attenuation; relative ERP 75% of peak 40°: 1.72 dB attenuation; relative ERP 67.3% of peak 50°: 3.17 dB attenuation; relative ERP 48.2% of peak 60°: 5.24 dB attenuation; relative ERP 29.9% of peak 70°: 8.04 dB attenuation; relative ERP 15.7% of peak 80°: 11.45 dB attenuation; relative ERP 7.2% of peak 90°: 15.92 dB attenuation; relative ERP 2.6% of peak 100°: 21.33 dB attenuation; relative ERP 0.7% of peak 110°: 22.54 dB attenuation; relative ERP 0.6% of peak 120°: 26.3 dB attenuation; relative ERP 0.2% of peak 130°: 31.46 dB attenuation; relative ERP 0.1% of peak 140°: 30.98 dB attenuation; relative ERP 0.1% of peak 150°: 25.9 dB attenuation; relative ERP 0.3% of peak 160°: 23.31 dB attenuation; relative ERP 0.5% of peak 170°: 21.77 dB attenuation; relative ERP 0.7% of peak 180°: 15.43 dB attenuation; relative ERP 2.9% of peak 190°: 11.52 dB attenuation; relative ERP 7% of peak 200°: 8.4 dB attenuation; relative ERP 14.5% of peak 210°: 5.42 dB attenuation; relative ERP 28.7% of peak 220°: 3.41 dB attenuation; relative ERP 45.6% of peak 230°: 1.94 dB attenuation; relative ERP 64% of peak 240°: 1.37 dB attenuation; relative ERP 72.9% of peak 250°: 1.33 dB attenuation; relative ERP 73.6% of peak 260°: 0.81 dB attenuation; relative ERP 83% of peak 270°: 0.21 dB attenuation; relative ERP 95.3% of peak 280°: 0.08 dB attenuation; relative ERP 98.2% of peak 290°: 0 dB attenuation; relative ERP 100% of peak 300°: 0.21 dB attenuation; relative ERP 95.3% of peak 310°: 0.38 dB attenuation; relative ERP 91.6% of peak 320°: 0.43 dB attenuation; relative ERP 90.6% of peak 330°: 0.23 dB attenuation; relative ERP 94.8% of peak 340°: 0.01 dB attenuation; relative ERP 99.8% of peak 350°: 0.1 dB attenuation; relative ERP 97.7% 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): 290° at 0 dB attenuation.

Deepest restriction(s): 130° at 31.46 dB attenuation.

Parameters

Date 03/11/2010
Ensemble BBC National DAB
Licence BBCD000001
mb21 Wrotham
Ensemble Area UK
EID CE15
Transmitter Area North West Kent
Site Wrotham
Freq. 225.648
Block 12B
TII Main Id (Hex) 01
TII Sub Id (Hex) 07
NGR TQ59516044
Longitude/Latitude 000E17 16 51N19 15
Lat 51.320705
Long 0.287703
Site Height 219
In-Use Ae Ht 150
In-Use ERP Total 10 kW
Dir Max ERP 318°

Services listed for this ensemble row

TypeService labelSIdLSN
Audio BBC Radio 1 C221
Audio BBC Radio 2 C222
Audio BBC Radio 3 C223
Audio BBC Radio 4 C224
Audio Radio 5 Live C225
Audio Radio 5 Extra C228
Audio BBC Radio 6Music C22B
Audio BBC Radio 1Xtra C22A
Audio BBC WorldService C238
Audio BBC AsianNetwork C236
Audio BBC Radio 4Extra C22C
Audio BBC Radio1Anthms C22D
Audio BBC Radio1Dance C229
Audio BBC Radio3Unwind C22E
Data BBC Guide E1C79E5E
Data BBC Travel E1C79E60

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°
0.240.711.261.251.723.175.248.0411.4515.9221.3322.5426.331.4630.9825.923.3121.7715.4311.528.45.423.411.941.371.330.810.210.0800.210.380.430.230.010.1