Great Ormes Head - Ofcom TX Visualiser

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Great Ormes Head

Colwyn Bay · Heart · 105.7 MHz

Historic names: Real Radio Wales (licence AL000329)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 250 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 11 dB attenuation; relative ERP 7.9% of peak 10°: 14 dB attenuation; relative ERP 4% of peak 20°: 15 dB attenuation; relative ERP 3.2% of peak 30°: 14 dB attenuation; relative ERP 4% of peak 40°: 9 dB attenuation; relative ERP 12.6% of peak 50°: 7 dB attenuation; relative ERP 20% of peak 60°: 6 dB attenuation; relative ERP 25.1% of peak 70°: 4.5 dB attenuation; relative ERP 35.5% of peak 80°: 3 dB attenuation; relative ERP 50.1% of peak 90°: 1.5 dB attenuation; relative ERP 70.8% of peak 100°: 1 dB attenuation; relative ERP 79.4% of peak 110°: 0 dB attenuation; relative ERP 100% of peak 120°: 0 dB attenuation; relative ERP 100% of peak 130°: 1 dB attenuation; relative ERP 79.4% of peak 140°: 1.5 dB attenuation; relative ERP 70.8% of peak 150°: 2 dB attenuation; relative ERP 63.1% of peak 160°: 2.5 dB attenuation; relative ERP 56.2% of peak 170°: 2.5 dB attenuation; relative ERP 56.2% of peak 180°: 2.5 dB attenuation; relative ERP 56.2% of peak 190°: 2 dB attenuation; relative ERP 63.1% of peak 200°: 1.5 dB attenuation; relative ERP 70.8% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 1 dB attenuation; relative ERP 79.4% of peak 250°: 1.5 dB attenuation; relative ERP 70.8% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 4.5 dB attenuation; relative ERP 35.5% of peak 280°: 6 dB attenuation; relative ERP 25.1% of peak 290°: 7 dB attenuation; relative ERP 20% of peak 300°: 9 dB attenuation; relative ERP 12.6% of peak 310°: 14 dB attenuation; relative ERP 4% of peak 320°: 15 dB attenuation; relative ERP 3.2% of peak 330°: 14 dB attenuation; relative ERP 4% of peak 340°: 11 dB attenuation; relative ERP 7.9% of peak 350°: 12 dB attenuation; relative ERP 6.3% 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): 110°, 120°, 220°, 230° at 0 dB attenuation.

Deepest restriction(s): 20°, 320° at 15 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 1 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 11 dB attenuation; relative ERP 7.9% of peak 10°: 14 dB attenuation; relative ERP 4% of peak 20°: 15 dB attenuation; relative ERP 3.2% of peak 30°: 14 dB attenuation; relative ERP 4% of peak 40°: 9 dB attenuation; relative ERP 12.6% of peak 50°: 7 dB attenuation; relative ERP 20% of peak 60°: 6 dB attenuation; relative ERP 25.1% of peak 70°: 4.5 dB attenuation; relative ERP 35.5% of peak 80°: 3 dB attenuation; relative ERP 50.1% of peak 90°: 1.5 dB attenuation; relative ERP 70.8% of peak 100°: 1 dB attenuation; relative ERP 79.4% of peak 110°: 0 dB attenuation; relative ERP 100% of peak 120°: 0 dB attenuation; relative ERP 100% of peak 130°: 1 dB attenuation; relative ERP 79.4% of peak 140°: 1.5 dB attenuation; relative ERP 70.8% of peak 150°: 2 dB attenuation; relative ERP 63.1% of peak 160°: 2.5 dB attenuation; relative ERP 56.2% of peak 170°: 2.5 dB attenuation; relative ERP 56.2% of peak 180°: 2.5 dB attenuation; relative ERP 56.2% of peak 190°: 2 dB attenuation; relative ERP 63.1% of peak 200°: 1.5 dB attenuation; relative ERP 70.8% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 1 dB attenuation; relative ERP 79.4% of peak 250°: 1.5 dB attenuation; relative ERP 70.8% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 4.5 dB attenuation; relative ERP 35.5% of peak 280°: 6 dB attenuation; relative ERP 25.1% of peak 290°: 7 dB attenuation; relative ERP 20% of peak 300°: 9 dB attenuation; relative ERP 12.6% of peak 310°: 14 dB attenuation; relative ERP 4% of peak 320°: 15 dB attenuation; relative ERP 3.2% of peak 330°: 14 dB attenuation; relative ERP 4% of peak 340°: 11 dB attenuation; relative ERP 7.9% of peak 350°: 12 dB attenuation; relative ERP 6.3% 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): 110°, 120°, 220°, 230° at 0 dB attenuation.

Deepest restriction(s): 20°, 320° at 15 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 2 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 12 dB attenuation; relative ERP 6.3% of peak 10°: 12 dB attenuation; relative ERP 6.3% of peak 20°: 12 dB attenuation; relative ERP 6.3% of peak 30°: 12 dB attenuation; relative ERP 6.3% of peak 40°: 9 dB attenuation; relative ERP 12.6% of peak 50°: 7 dB attenuation; relative ERP 20% of peak 60°: 5 dB attenuation; relative ERP 31.6% of peak 70°: 4 dB attenuation; relative ERP 39.8% of peak 80°: 3 dB attenuation; relative ERP 50.1% of peak 90°: 1 dB attenuation; relative ERP 79.4% of peak 100°: 0 dB attenuation; relative ERP 100% of peak 110°: 0 dB attenuation; relative ERP 100% of peak 120°: 0 dB attenuation; relative ERP 100% of peak 130°: 0 dB attenuation; relative ERP 100% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 0 dB attenuation; relative ERP 100% 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 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°: 1 dB attenuation; relative ERP 79.4% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 5 dB attenuation; relative ERP 31.6% of peak 280°: 7 dB attenuation; relative ERP 20% of peak 290°: 9 dB attenuation; relative ERP 12.6% of peak 300°: 12 dB attenuation; relative ERP 6.3% of peak 310°: 12 dB attenuation; relative ERP 6.3% of peak 320°: 12 dB attenuation; relative ERP 6.3% of peak 330°: 12 dB attenuation; relative ERP 6.3% of peak 340°: 12 dB attenuation; relative ERP 6.3% of peak 350°: 12 dB attenuation; relative ERP 6.3% 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): 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 300°, 310°, 320°, 330°, 340°, 350° at 12 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 2 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 12 dB attenuation; relative ERP 6.3% of peak 10°: 12 dB attenuation; relative ERP 6.3% of peak 20°: 12 dB attenuation; relative ERP 6.3% of peak 30°: 12 dB attenuation; relative ERP 6.3% of peak 40°: 9 dB attenuation; relative ERP 12.6% of peak 50°: 7 dB attenuation; relative ERP 20% of peak 60°: 5 dB attenuation; relative ERP 31.6% of peak 70°: 4 dB attenuation; relative ERP 39.8% of peak 80°: 3 dB attenuation; relative ERP 50.1% of peak 90°: 1 dB attenuation; relative ERP 79.4% of peak 100°: 0 dB attenuation; relative ERP 100% of peak 110°: 0 dB attenuation; relative ERP 100% of peak 120°: 0 dB attenuation; relative ERP 100% of peak 130°: 0 dB attenuation; relative ERP 100% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 0 dB attenuation; relative ERP 100% 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 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°: 1 dB attenuation; relative ERP 79.4% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 5 dB attenuation; relative ERP 31.6% of peak 280°: 7 dB attenuation; relative ERP 20% of peak 290°: 9 dB attenuation; relative ERP 12.6% of peak 300°: 12 dB attenuation; relative ERP 6.3% of peak 310°: 12 dB attenuation; relative ERP 6.3% of peak 320°: 12 dB attenuation; relative ERP 6.3% of peak 330°: 12 dB attenuation; relative ERP 6.3% of peak 340°: 12 dB attenuation; relative ERP 6.3% of peak 350°: 12 dB attenuation; relative ERP 6.3% 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): 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 300°, 310°, 320°, 330°, 340°, 350° at 12 dB attenuation.

Parameters

Date 22/12/2010
Station Heart
Area Colwyn Bay
Site Great Ormes Head
Licence AL000329
mb21 Great Ormes Head
MCA map Open Ofcom MCA map
Frequency 105.7
NGR SH76678336
RDS PS Heart___
RDS PI C5AA
Switched PI
TP/TA
TMC
Lat 53.332733
Long -3.853488
Site Ht 200
In-Use Aerial Ht 17
In-UseERP/HP 250 W
In-Use ERP/VP 1 kW
Max Dir 170
Licensed ERP/HP 2 kW
Licensed ERP/VP 2 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°
111415149764.531.510011.522.52.52.521.510011.534.56791415141112

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°
111415149764.531.510011.522.52.52.521.510011.534.56791415141112

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°
1212121297543100000000000000013579121212121212

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°
1212121297543100000000000000013579121212121212