Sutton Common - Ofcom TX Visualiser

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Sutton Common

Macclesfield · Silk FM · 106.9 MHz

Historic names: Cheshire's Silk Radio, Cheshire's Silk 106.9, 106.9 Silk FM (licence AL100840)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 150 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 4 dB attenuation; relative ERP 39.8% of peak 10°: 7 dB attenuation; relative ERP 20% of peak 20°: 10 dB attenuation; relative ERP 10% of peak 30°: 17 dB attenuation; relative ERP 2% of peak 40°: 20 dB attenuation; relative ERP 1% of peak 50°: 17 dB attenuation; relative ERP 2% of peak 60°: 14 dB attenuation; relative ERP 4% of peak 70°: 12 dB attenuation; relative ERP 6.3% of peak 80°: 12 dB attenuation; relative ERP 6.3% of peak 90°: 14 dB attenuation; relative ERP 4% of peak 100°: 18 dB attenuation; relative ERP 1.6% of peak 110°: 20 dB attenuation; relative ERP 1% of peak 120°: 20 dB attenuation; relative ERP 1% of peak 130°: 18 dB attenuation; relative ERP 1.6% of peak 140°: 18 dB attenuation; relative ERP 1.6% of peak 150°: 20 dB attenuation; relative ERP 1% of peak 160°: 20 dB attenuation; relative ERP 1% of peak 170°: 18 dB attenuation; relative ERP 1.6% of peak 180°: 14 dB attenuation; relative ERP 4% of peak 190°: 12 dB attenuation; relative ERP 6.3% of peak 200°: 12 dB attenuation; relative ERP 6.3% of peak 210°: 14 dB attenuation; relative ERP 4% of peak 220°: 17 dB attenuation; relative ERP 2% of peak 230°: 20 dB attenuation; relative ERP 1% of peak 240°: 17 dB attenuation; relative ERP 2% of peak 250°: 10 dB attenuation; relative ERP 10% of peak 260°: 7 dB attenuation; relative ERP 20% of peak 270°: 4 dB attenuation; relative ERP 39.8% of peak 280°: 2.5 dB attenuation; relative ERP 56.2% of peak 290°: 1.2 dB attenuation; relative ERP 75.9% of peak 300°: 0.5 dB attenuation; relative ERP 89.1% of peak 310°: 0 dB attenuation; relative ERP 100% of peak 320°: 0 dB attenuation; relative ERP 100% of peak 330°: 0.5 dB attenuation; relative ERP 89.1% of peak 340°: 1.2 dB attenuation; relative ERP 75.9% of peak 350°: 2.5 dB attenuation; relative ERP 56.2% 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): 310°, 320° at 0 dB attenuation.

Deepest restriction(s): 40°, 110°, 120°, 150°, 160°, 230° at 20 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 150 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0.75 dB attenuation; relative ERP 84.1% of peak 10°: 1 dB attenuation; relative ERP 79.4% of peak 20°: 1.5 dB attenuation; relative ERP 70.8% of peak 30°: 2.2 dB attenuation; relative ERP 60.3% of peak 40°: 3 dB attenuation; relative ERP 50.1% of peak 50°: 4 dB attenuation; relative ERP 39.8% of peak 60°: 6 dB attenuation; relative ERP 25.1% of peak 70°: 8 dB attenuation; relative ERP 15.8% of peak 80°: 10 dB attenuation; relative ERP 10% of peak 90°: 14 dB attenuation; relative ERP 4% of peak 100°: 18 dB attenuation; relative ERP 1.6% of peak 110°: 20 dB attenuation; relative ERP 1% of peak 120°: 20 dB attenuation; relative ERP 1% of peak 130°: 18 dB attenuation; relative ERP 1.6% of peak 140°: 18 dB attenuation; relative ERP 1.6% of peak 150°: 20 dB attenuation; relative ERP 1% of peak 160°: 20 dB attenuation; relative ERP 1% of peak 170°: 18 dB attenuation; relative ERP 1.6% of peak 180°: 14 dB attenuation; relative ERP 4% of peak 190°: 10 dB attenuation; relative ERP 10% of peak 200°: 8 dB attenuation; relative ERP 15.8% of peak 210°: 6 dB attenuation; relative ERP 25.1% of peak 220°: 4 dB attenuation; relative ERP 39.8% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 2.2 dB attenuation; relative ERP 60.3% of peak 250°: 1.5 dB attenuation; relative ERP 70.8% of peak 260°: 1 dB attenuation; relative ERP 79.4% of peak 270°: 0.75 dB attenuation; relative ERP 84.1% of peak 280°: 0.3 dB attenuation; relative ERP 93.3% of peak 290°: 0 dB attenuation; relative ERP 100% of peak 300°: 0 dB attenuation; relative ERP 100% of peak 310°: 0 dB attenuation; relative ERP 100% of peak 320°: 0 dB attenuation; relative ERP 100% of peak 330°: 0 dB attenuation; relative ERP 100% of peak 340°: 0 dB attenuation; relative ERP 100% of peak 350°: 0.3 dB attenuation; relative ERP 93.3% 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): 290°, 300°, 310°, 320°, 330°, 340° at 0 dB attenuation.

Deepest restriction(s): 110°, 120°, 150°, 160° at 20 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 150 W

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°: 9 dB attenuation; relative ERP 12.6% of peak 100°: 9 dB attenuation; relative ERP 12.6% of peak 110°: 0 dB attenuation; relative ERP 100% of peak 120°: 2 dB attenuation; relative ERP 63.1% of peak 130°: 2 dB attenuation; relative ERP 63.1% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 6 dB attenuation; relative ERP 25.1% of peak 160°: 6 dB attenuation; relative ERP 25.1% of peak 170°: 9 dB attenuation; relative ERP 12.6% of peak 180°: 9 dB attenuation; relative ERP 12.6% 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°: 0 dB attenuation; relative ERP 100% of peak 320°: 0 dB attenuation; relative ERP 100% of peak 330°: 0 dB attenuation; relative ERP 100% of peak 340°: 0 dB attenuation; relative ERP 100% 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°, 110°, 140°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 90°, 100°, 170°, 180° at 9 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 150 W

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°: 9 dB attenuation; relative ERP 12.6% of peak 100°: 9 dB attenuation; relative ERP 12.6% of peak 110°: 0 dB attenuation; relative ERP 100% of peak 120°: 2 dB attenuation; relative ERP 63.1% of peak 130°: 2 dB attenuation; relative ERP 63.1% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 6 dB attenuation; relative ERP 25.1% of peak 160°: 6 dB attenuation; relative ERP 25.1% of peak 170°: 9 dB attenuation; relative ERP 12.6% of peak 180°: 9 dB attenuation; relative ERP 12.6% 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°: 0 dB attenuation; relative ERP 100% of peak 320°: 0 dB attenuation; relative ERP 100% of peak 330°: 0 dB attenuation; relative ERP 100% of peak 340°: 0 dB attenuation; relative ERP 100% 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°, 110°, 140°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 90°, 100°, 170°, 180° at 9 dB attenuation.

Parameters

Date 29/11/2012
Station Silk FM
Area Macclesfield
Site Sutton Common
Licence AL100840
mb21 Sutton Common
MCA map Open Ofcom MCA map
Frequency 106.9
NGR SJ93376767
RDS PS SILK1069
RDS PI C69B
Switched PI
TP/TA Y
TMC Y
Lat 53.206057
Long -2.10072
Site Ht 401
In-Use Aerial Ht 75
In-UseERP/HP 150 W
In-Use ERP/VP 150 W
Max Dir 315
Licensed ERP/HP 150 W
Licensed ERP/VP 150 W

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°
47101720171412121418202018182020181412121417201710742.51.20.5000.51.22.5

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°
0.7511.52.2346810141820201818202018141086432.21.510.750.30000000.3

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°
000000000990220669900000000000000000

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°
000000000990220669900000000000000000