Porlock - Ofcom TX Visualiser

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Porlock

West Somerset · Greatest Hits Radio · 100.8 MHz

Historic names: The Breeze, Total Star Somerset, Quay West, BCRfm, Quay West Radio (licence AL102808)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 8 W

30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 6 dB attenuation; relative ERP 25.1% of peak 10°: 4.5 dB attenuation; relative ERP 35.5% of peak 20°: 4 dB attenuation; relative ERP 39.8% of peak 30°: 4 dB attenuation; relative ERP 39.8% of peak 40°: 4.5 dB attenuation; relative ERP 35.5% of peak 50°: 5 dB attenuation; relative ERP 31.6% of peak 60°: 6 dB attenuation; relative ERP 25.1% of peak 70°: 6.5 dB attenuation; relative ERP 22.4% of peak 80°: 6.5 dB attenuation; relative ERP 22.4% of peak 90°: 7 dB attenuation; relative ERP 20% of peak 100°: 9 dB attenuation; relative ERP 12.6% of peak 110°: 12 dB attenuation; relative ERP 6.3% of peak 120°: 15 dB attenuation; relative ERP 3.2% of peak 130°: 14 dB attenuation; relative ERP 4% of peak 140°: 14 dB attenuation; relative ERP 4% of peak 150°: 14 dB attenuation; relative ERP 4% of peak 160°: 16 dB attenuation; relative ERP 2.5% of peak 170°: 19 dB attenuation; relative ERP 1.3% of peak 180°: 21 dB attenuation; relative ERP 0.8% of peak 190°: 17 dB attenuation; relative ERP 2% of peak 200°: 12 dB attenuation; relative ERP 6.3% of peak 210°: 7 dB attenuation; relative ERP 20% of peak 220°: 5 dB attenuation; relative ERP 31.6% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 2 dB attenuation; relative ERP 63.1% of peak 250°: 1 dB attenuation; relative ERP 79.4% of peak 260°: 0 dB attenuation; relative ERP 100% of peak 270°: 1 dB attenuation; relative ERP 79.4% of peak 280°: 2 dB attenuation; relative ERP 63.1% of peak 290°: 4 dB attenuation; relative ERP 39.8% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 7 dB attenuation; relative ERP 20% of peak 320°: 9 dB attenuation; relative ERP 12.6% of peak 330°: 11 dB attenuation; relative ERP 7.9% of peak 340°: 10 dB attenuation; relative ERP 10% of peak 350°: 8 dB attenuation; relative ERP 15.8% 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): 260° at 0 dB attenuation.

Deepest restriction(s): 180° at 21 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 100 W

30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0 dB attenuation; relative ERP 100% of peak 10°: 0 dB attenuation; relative ERP 100% of peak 20°: 0.5 dB attenuation; relative ERP 89.1% of peak 30°: 1.5 dB attenuation; relative ERP 70.8% of peak 40°: 2.5 dB attenuation; relative ERP 56.2% of peak 50°: 5 dB attenuation; relative ERP 31.6% of peak 60°: 5.5 dB attenuation; relative ERP 28.2% of peak 70°: 5.5 dB attenuation; relative ERP 28.2% of peak 80°: 7 dB attenuation; relative ERP 20% of peak 90°: 8 dB attenuation; relative ERP 15.8% of peak 100°: 9 dB attenuation; relative ERP 12.6% of peak 110°: 9 dB attenuation; relative ERP 12.6% of peak 120°: 10 dB attenuation; relative ERP 10% of peak 130°: 12 dB attenuation; relative ERP 6.3% of peak 140°: 13.5 dB attenuation; relative ERP 4.5% of peak 150°: 13 dB attenuation; relative ERP 5% of peak 160°: 12 dB attenuation; relative ERP 6.3% of peak 170°: 12 dB attenuation; relative ERP 6.3% of peak 180°: 12 dB attenuation; relative ERP 6.3% of peak 190°: 10 dB attenuation; relative ERP 10% of peak 200°: 8 dB attenuation; relative ERP 15.8% of peak 210°: 7.5 dB attenuation; relative ERP 17.8% of peak 220°: 7 dB attenuation; relative ERP 20% of peak 230°: 8 dB attenuation; relative ERP 15.8% of peak 240°: 9 dB attenuation; relative ERP 12.6% of peak 250°: 9 dB attenuation; relative ERP 12.6% of peak 260°: 9 dB attenuation; relative ERP 12.6% of peak 270°: 9 dB attenuation; relative ERP 12.6% of peak 280°: 9 dB attenuation; relative ERP 12.6% of peak 290°: 7.5 dB attenuation; relative ERP 17.8% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 5 dB attenuation; relative ERP 31.6% of peak 320°: 3.5 dB attenuation; relative ERP 44.7% of peak 330°: 2.5 dB attenuation; relative ERP 56.2% of peak 340°: 2 dB attenuation; relative ERP 63.1% of peak 350°: 0.5 dB attenuation; relative ERP 89.1% 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): 0°, 10° at 0 dB attenuation.

Deepest restriction(s): 140° at 13.5 dB attenuation.

Parameters

Date 17/11/2004
Station Greatest Hits Radio
Area West Somerset
Site Porlock
Licence AL102808
mb21 Porlock
MCA map Open Ofcom MCA map
Frequency 100.8
NGR SS88324623
RDS PS GRT_HITS
RDS PI C3BB
Switched PI C8BB
TP/TA Y
TMC
Lat 51.204329
Long -3.599983
Site Ht 160
In-Use Aerial Ht 21
In-UseERP/HP 8 W
In-Use ERP/VP 100 W
Max Dir 0
Licensed ERP/HP 100 W
Licensed ERP/VP 100 W

Pattern values

In-use horizontal 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°
64.5444.5566.56.5791215141414161921171275321012467911108

In-use vertical 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°
000.51.52.555.55.57899101213.5131212121087.578999997.5653.52.520.5