Darwen - Ofcom TX Visualiser

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Darwen

Darwen · BBC National DAB · 12B / 225.648 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 100 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0.3 dB attenuation; relative ERP 93.3% of peak 10°: 0.4 dB attenuation; relative ERP 91.2% of peak 20°: 1 dB attenuation; relative ERP 79.4% of peak 30°: 3 dB attenuation; relative ERP 50.1% of peak 40°: 3.9 dB attenuation; relative ERP 40.7% of peak 50°: 2.9 dB attenuation; relative ERP 51.3% of peak 60°: 8.2 dB attenuation; relative ERP 15.1% of peak 70°: 7.5 dB attenuation; relative ERP 17.8% of peak 80°: 5.2 dB attenuation; relative ERP 30.2% of peak 90°: 10.7 dB attenuation; relative ERP 8.5% of peak 100°: 3.6 dB attenuation; relative ERP 43.7% of peak 110°: 2.9 dB attenuation; relative ERP 51.3% of peak 120°: 3.3 dB attenuation; relative ERP 46.8% of peak 130°: 1.5 dB attenuation; relative ERP 70.8% of peak 140°: 0.2 dB attenuation; relative ERP 95.5% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 0.2 dB attenuation; relative ERP 95.5% of peak 170°: 0.4 dB attenuation; relative ERP 91.2% of peak 180°: 0.3 dB attenuation; relative ERP 93.3% of peak 190°: 0.4 dB attenuation; relative ERP 91.2% of peak 200°: 1 dB attenuation; relative ERP 79.4% of peak 210°: 2.9 dB attenuation; relative ERP 51.3% of peak 220°: 3.9 dB attenuation; relative ERP 40.7% of peak 230°: 2.8 dB attenuation; relative ERP 52.5% of peak 240°: 8.8 dB attenuation; relative ERP 13.2% of peak 250°: 6.6 dB attenuation; relative ERP 21.9% of peak 260°: 5.2 dB attenuation; relative ERP 30.2% of peak 270°: 10.9 dB attenuation; relative ERP 8.1% of peak 280°: 3.5 dB attenuation; relative ERP 44.7% of peak 290°: 2.8 dB attenuation; relative ERP 52.5% of peak 300°: 3.3 dB attenuation; relative ERP 46.8% of peak 310°: 1.5 dB attenuation; relative ERP 70.8% of peak 320°: 0.2 dB attenuation; relative ERP 95.5% of peak 330°: 0 dB attenuation; relative ERP 100% of peak 340°: 0.3 dB attenuation; relative ERP 93.3% of peak 350°: 0.4 dB attenuation; relative ERP 91.2% 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): 150°, 330° at 0 dB attenuation.

Deepest restriction(s): 270° at 10.9 dB attenuation.

Parameters

Date 16/05/2014
Ensemble BBC National DAB
Licence BBCD000001
mb21 Darwen
Ensemble Area UK
EID CE15
Transmitter Area Darwen
Site Darwen
Freq. 225.648
Block 12B
TII Main Id (Hex) 2C
TII Sub Id (Hex) 02
NGR SD70832233
Longitude/Latitude 002W26 36 53N41 48
Lat 53.696589
Long -2.443266
Site Height 261
In-Use Ae Ht 45
In-Use ERP Total 100 W
Dir Max ERP 175°

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°
0.30.4133.92.98.27.55.210.73.62.93.31.50.200.20.40.30.412.93.92.88.86.65.210.93.52.83.31.50.200.30.4