HELSTON - Ofcom TX Visualiser

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HELSTON

Helston Cornwall · Cornwall · 11B / 218.64 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 1 kW

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 17/08/2016
Ensemble Cornwall
Licence DL000046
mb21 Helston
Ensemble Area Cornwall
EID C1B0
Transmitter Area Helston Cornwall
Site HELSTON
Freq. 218.64
Block 11B
TII Main Id (Hex) 04
TII Sub Id (Hex) 16
NGR SW65142759
Longitude/Latitude 005W17 08 50N06 07
Lat 50.101861
Long -5.285607
Site Height 71
In-Use Ae Ht 39
In-Use ERP Total 1 kW
Dir Max ERP 230°

Services listed for this ensemble row

TypeService labelSIdLSN
Audio Heart Cornwall C36D 197 1B2
Audio Smooth Country CDE9
Audio BBC Cornwall C732
Audio Smooth Cornwall CCD2 1B7 1B8 1B9
Audio HITS RADIO Crn CACF 1D6
Audio Grt Hits Crnwall C4E6 1E6 1E7
Audio Cornwall Rewind CDF0
Audio Nation Cornwall CA52 1AC 207
Audio Nation 80s C2EF
Audio Nation 90s C2FA
Data EPG Cornwall E1C000BF

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