BACKWELL - Ofcom TX Visualiser

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BACKWELL

West of Bristol · Bristol · 11B / 218.64 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 300 W

30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 4.9 dB attenuation; relative ERP 32.4% of peak 10°: 6 dB attenuation; relative ERP 25.1% of peak 20°: 6.4 dB attenuation; relative ERP 22.9% of peak 30°: 6.7 dB attenuation; relative ERP 21.4% of peak 40°: 7 dB attenuation; relative ERP 20% of peak 50°: 7 dB attenuation; relative ERP 20% of peak 60°: 7 dB attenuation; relative ERP 20% of peak 70°: 6.7 dB attenuation; relative ERP 21.4% of peak 80°: 6.4 dB attenuation; relative ERP 22.9% of peak 90°: 6 dB attenuation; relative ERP 25.1% of peak 100°: 4.9 dB attenuation; relative ERP 32.4% of peak 110°: 3.8 dB attenuation; relative ERP 41.7% of peak 120°: 3 dB attenuation; relative ERP 50.1% of peak 130°: 2 dB attenuation; relative ERP 63.1% of peak 140°: 1.2 dB attenuation; relative ERP 75.9% of peak 150°: 0.7 dB attenuation; relative ERP 85.1% of peak 160°: 0.4 dB attenuation; relative ERP 91.2% of peak 170°: 0 dB attenuation; relative ERP 100% of peak 180°: 0 dB attenuation; relative ERP 100% of peak 190°: 0 dB attenuation; relative ERP 100% of peak 200°: 0.3 dB attenuation; relative ERP 93.3% of peak 210°: 0.5 dB attenuation; relative ERP 89.1% of peak 220°: 0.8 dB attenuation; relative ERP 83.2% of peak 230°: 1 dB attenuation; relative ERP 79.4% of peak 240°: 0.8 dB attenuation; relative ERP 83.2% of peak 250°: 0.5 dB attenuation; relative ERP 89.1% of peak 260°: 0.2 dB attenuation; relative ERP 95.5% of peak 270°: 0 dB attenuation; relative ERP 100% of peak 280°: 0 dB attenuation; relative ERP 100% of peak 290°: 0 dB attenuation; relative ERP 100% of peak 300°: 0.4 dB attenuation; relative ERP 91.2% of peak 310°: 0.8 dB attenuation; relative ERP 83.2% of peak 320°: 1.3 dB attenuation; relative ERP 74.1% of peak 330°: 2 dB attenuation; relative ERP 63.1% of peak 340°: 3 dB attenuation; relative ERP 50.1% of peak 350°: 3.8 dB attenuation; relative ERP 41.7% 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): 170°, 180°, 190°, 270°, 280°, 290° at 0 dB attenuation.

Deepest restriction(s): 40°, 50°, 60° at 7 dB attenuation.

Parameters

Date 25/11/2015
Ensemble Bristol
Licence DL000014
mb21 Backwell
Ensemble Area Bristol
EID C18C
Transmitter Area West of Bristol
Site BACKWELL
Freq. 218.64
Block 11B
TII Main Id (Hex) 23
TII Sub Id (Hex) 03
NGR ST49857169
Longitude/Latitude 002W43 23 51N26 31
Lat 51.44197
Long -2.722947
Site Height 96
In-Use Ae Ht 32
In-Use ERP Total 300 W
Dir Max ERP 230°

Services listed for this ensemble row

TypeService labelSIdLSN
Audio Heart Bristol C36B 197 1B2
Audio Smooth Bristol C2D2 1B7 1B8 1B9
Audio Capital UK C47F 196 1A9 1C0 1C9
Audio BBC Bristol C432
Audio HITS RADIO West CAE3
Audio Grt Hits Bristol C3E6 1E6 1E7
Data EPG Bristol E1C000BD

Pattern values

Antenna pattern

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°
4.966.46.77776.76.464.93.8321.20.70.40000.30.50.810.80.50.20000.40.81.3233.8