Redruth - Ofcom TX Visualiser

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Redruth

West Cornwall · BBC Radio Cornwall (FM) · 103.9 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 8.697 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 5.6 dB attenuation; relative ERP 27.5% of peak 10°: 5.5 dB attenuation; relative ERP 28.2% of peak 20°: 4.4 dB attenuation; relative ERP 36.3% of peak 30°: 3 dB attenuation; relative ERP 50.1% of peak 40°: 2.2 dB attenuation; relative ERP 60.3% of peak 50°: 2.9 dB attenuation; relative ERP 51.3% of peak 60°: 4.7 dB attenuation; relative ERP 33.9% of peak 70°: 6 dB attenuation; relative ERP 25.1% of peak 80°: 6.1 dB attenuation; relative ERP 24.5% of peak 90°: 6.2 dB attenuation; relative ERP 24% of peak 100°: 6.8 dB attenuation; relative ERP 20.9% of peak 110°: 6.2 dB attenuation; relative ERP 24% of peak 120°: 4 dB attenuation; relative ERP 39.8% of peak 130°: 2.9 dB attenuation; relative ERP 51.3% of peak 140°: 3.6 dB attenuation; relative ERP 43.7% of peak 150°: 5.1 dB attenuation; relative ERP 30.9% of peak 160°: 5.2 dB attenuation; relative ERP 30.2% of peak 170°: 3.9 dB attenuation; relative ERP 40.7% of peak 180°: 3.3 dB attenuation; relative ERP 46.8% of peak 190°: 3.2 dB attenuation; relative ERP 47.9% of peak 200°: 2.3 dB attenuation; relative ERP 58.9% of peak 210°: 0.8 dB attenuation; relative ERP 83.2% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 0.4 dB attenuation; relative ERP 91.2% of peak 240°: 1.8 dB attenuation; relative ERP 66.1% of peak 250°: 3.1 dB attenuation; relative ERP 49% of peak 260°: 3.7 dB attenuation; relative ERP 42.7% of peak 270°: 4.6 dB attenuation; relative ERP 34.7% of peak 280°: 6 dB attenuation; relative ERP 25.1% of peak 290°: 5.9 dB attenuation; relative ERP 25.7% of peak 300°: 4.5 dB attenuation; relative ERP 35.5% of peak 310°: 2.6 dB attenuation; relative ERP 55% of peak 320°: 3.3 dB attenuation; relative ERP 46.8% of peak 330°: 5 dB attenuation; relative ERP 31.6% of peak 340°: 6.2 dB attenuation; relative ERP 24% of peak 350°: 5.7 dB attenuation; relative ERP 26.9% 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): 220° at 0 dB attenuation.

Deepest restriction(s): 100° at 6.8 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 8.9 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 3 dB attenuation; relative ERP 50.1% of peak 10°: 4.4 dB attenuation; relative ERP 36.3% of peak 20°: 5.7 dB attenuation; relative ERP 26.9% of peak 30°: 4.7 dB attenuation; relative ERP 33.9% of peak 40°: 3.5 dB attenuation; relative ERP 44.7% of peak 50°: 4 dB attenuation; relative ERP 39.8% of peak 60°: 5.7 dB attenuation; relative ERP 26.9% of peak 70°: 5.3 dB attenuation; relative ERP 29.5% of peak 80°: 3.3 dB attenuation; relative ERP 46.8% of peak 90°: 2.3 dB attenuation; relative ERP 58.9% of peak 100°: 3.1 dB attenuation; relative ERP 49% of peak 110°: 5.1 dB attenuation; relative ERP 30.9% of peak 120°: 5.2 dB attenuation; relative ERP 30.2% of peak 130°: 3.8 dB attenuation; relative ERP 41.7% of peak 140°: 4.5 dB attenuation; relative ERP 35.5% of peak 150°: 5.8 dB attenuation; relative ERP 26.3% of peak 160°: 3.8 dB attenuation; relative ERP 41.7% of peak 170°: 1 dB attenuation; relative ERP 79.4% of peak 180°: 0.5 dB attenuation; relative ERP 89.1% of peak 190°: 1.5 dB attenuation; relative ERP 70.8% of peak 200°: 1.8 dB attenuation; relative ERP 66.1% of peak 210°: 0.3 dB attenuation; relative ERP 93.3% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 0.5 dB attenuation; relative ERP 89.1% of peak 240°: 1.6 dB attenuation; relative ERP 69.2% of peak 250°: 1.6 dB attenuation; relative ERP 69.2% of peak 260°: 1 dB attenuation; relative ERP 79.4% of peak 270°: 1.7 dB attenuation; relative ERP 67.6% of peak 280°: 4.7 dB attenuation; relative ERP 33.9% of peak 290°: 7.1 dB attenuation; relative ERP 19.5% of peak 300°: 5.3 dB attenuation; relative ERP 29.5% of peak 310°: 3.8 dB attenuation; relative ERP 41.7% of peak 320°: 5.3 dB attenuation; relative ERP 29.5% of peak 330°: 6.3 dB attenuation; relative ERP 23.4% of peak 340°: 4.7 dB attenuation; relative ERP 33.9% of peak 350°: 3.1 dB attenuation; relative ERP 49% 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): 220° at 0 dB attenuation.

Deepest restriction(s): 290° at 7.1 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 8.9 kW

0° 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 dB attenuation; relative ERP 100% of peak 30°: 0 dB attenuation; relative ERP 100% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 0 dB attenuation; relative ERP 100% of peak 60°: 0 dB attenuation; relative ERP 100% of peak 70°: 0 dB attenuation; relative ERP 100% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 3 dB attenuation; relative ERP 50.1% of peak 110°: 3 dB attenuation; relative ERP 50.1% of peak 120°: 3 dB attenuation; relative ERP 50.1% of peak 130°: 3 dB attenuation; relative ERP 50.1% of peak 140°: 3 dB attenuation; relative ERP 50.1% of peak 150°: 3 dB attenuation; relative ERP 50.1% of peak 160°: 3 dB attenuation; relative ERP 50.1% of peak 170°: 3 dB attenuation; relative ERP 50.1% of peak 180°: 0 dB attenuation; relative ERP 100% of peak 190°: 0 dB attenuation; relative ERP 100% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 0 dB attenuation; relative ERP 100% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 0 dB attenuation; relative ERP 100% of peak 250°: 0 dB attenuation; relative ERP 100% of peak 260°: 0 dB attenuation; relative ERP 100% 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 dB attenuation; relative ERP 100% of peak 310°: 2 dB attenuation; relative ERP 63.1% of peak 320°: 2 dB attenuation; relative ERP 63.1% of peak 330°: 2 dB attenuation; relative ERP 63.1% of peak 340°: 2 dB attenuation; relative ERP 63.1% of peak 350°: 0 dB attenuation; relative ERP 100% 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°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 350° at 0 dB attenuation.

Deepest restriction(s): 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170° at 3 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 8.9 kW

0° 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 dB attenuation; relative ERP 100% of peak 30°: 0 dB attenuation; relative ERP 100% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 0 dB attenuation; relative ERP 100% of peak 60°: 0 dB attenuation; relative ERP 100% of peak 70°: 0 dB attenuation; relative ERP 100% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 3 dB attenuation; relative ERP 50.1% of peak 110°: 3 dB attenuation; relative ERP 50.1% of peak 120°: 3 dB attenuation; relative ERP 50.1% of peak 130°: 3 dB attenuation; relative ERP 50.1% of peak 140°: 3 dB attenuation; relative ERP 50.1% of peak 150°: 3 dB attenuation; relative ERP 50.1% of peak 160°: 3 dB attenuation; relative ERP 50.1% of peak 170°: 3 dB attenuation; relative ERP 50.1% of peak 180°: 0 dB attenuation; relative ERP 100% of peak 190°: 0 dB attenuation; relative ERP 100% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 0 dB attenuation; relative ERP 100% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 0 dB attenuation; relative ERP 100% of peak 250°: 0 dB attenuation; relative ERP 100% of peak 260°: 0 dB attenuation; relative ERP 100% 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 dB attenuation; relative ERP 100% of peak 310°: 2 dB attenuation; relative ERP 63.1% of peak 320°: 2 dB attenuation; relative ERP 63.1% of peak 330°: 2 dB attenuation; relative ERP 63.1% of peak 340°: 2 dB attenuation; relative ERP 63.1% of peak 350°: 0 dB attenuation; relative ERP 100% 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°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 350° at 0 dB attenuation.

Deepest restriction(s): 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170° at 3 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio Cornwall (FM)
Area West Cornwall
Site Redruth
Licence BBC000015
mb21 Redruth
Frequency 103.9
NGR SW69033944
RDS PS BBC_Cnwl
RDS PI C411
Switched PI
TP/TA
TMC
Lat 50.209791
Long -5.23849
Site Ht 237
In-Use Aerial Ht 122
In-UseERP/HP 8.697 kW
In-Use ERP/VP 8.9 kW
Max Dir 220
Licensed ERP/HP 8.9 kW
Licensed ERP/VP 8.9 kW

Pattern values

In-use horizontal 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°
5.65.54.432.22.94.766.16.26.86.242.93.65.15.23.93.33.22.30.800.41.83.13.74.665.94.52.63.356.25.7

In-use vertical 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°
34.45.74.73.545.75.33.32.33.15.15.23.84.55.83.810.51.51.80.300.51.61.611.74.77.15.33.85.36.34.73.1

Licensed horizontal 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°
000000000033333333000000000000022220

Licensed vertical 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°
000000000033333333000000000000022220