Tolworth Tower - Ofcom TX Visualiser

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Tolworth Tower

Kingston · Radio Jackie · 107.8 MHz

Historic names: Thames 107.8, Thames Radio, Kingston FM (licence AL100669)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 400 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 4.5 dB attenuation; relative ERP 35.5% of peak 10°: 3.5 dB attenuation; relative ERP 44.7% of peak 20°: 3.5 dB attenuation; relative ERP 44.7% of peak 30°: 4.5 dB attenuation; relative ERP 35.5% of peak 40°: 6 dB attenuation; relative ERP 25.1% of peak 50°: 7.25 dB attenuation; relative ERP 18.8% of peak 60°: 9 dB attenuation; relative ERP 12.6% of peak 70°: 7.25 dB attenuation; relative ERP 18.8% of peak 80°: 6.5 dB attenuation; relative ERP 22.4% of peak 90°: 4 dB attenuation; relative ERP 39.8% of peak 100°: 1 dB attenuation; relative ERP 79.4% of peak 110°: 0.5 dB attenuation; relative ERP 89.1% of peak 120°: 0 dB attenuation; relative ERP 100% of peak 130°: 1.25 dB attenuation; relative ERP 75% of peak 140°: 1.5 dB attenuation; relative ERP 70.8% of peak 150°: 3.5 dB attenuation; relative ERP 44.7% of peak 160°: 6 dB attenuation; relative ERP 25.1% of peak 170°: 5.5 dB attenuation; relative ERP 28.2% of peak 180°: 6 dB attenuation; relative ERP 25.1% of peak 190°: 6 dB attenuation; relative ERP 25.1% of peak 200°: 5.5 dB attenuation; relative ERP 28.2% of peak 210°: 5 dB attenuation; relative ERP 31.6% of peak 220°: 6 dB attenuation; relative ERP 25.1% of peak 230°: 7 dB attenuation; relative ERP 20% of peak 240°: 8 dB attenuation; relative ERP 15.8% of peak 250°: 9 dB attenuation; relative ERP 12.6% of peak 260°: 10 dB attenuation; relative ERP 10% of peak 270°: 11 dB attenuation; relative ERP 7.9% of peak 280°: 15 dB attenuation; relative ERP 3.2% of peak 290°: 10 dB attenuation; relative ERP 10% of peak 300°: 7.5 dB attenuation; relative ERP 17.8% of peak 310°: 6.75 dB attenuation; relative ERP 21.1% of peak 320°: 7.25 dB attenuation; relative ERP 18.8% of peak 330°: 8.5 dB attenuation; relative ERP 14.1% of peak 340°: 8 dB attenuation; relative ERP 15.8% of peak 350°: 10 dB attenuation; relative ERP 10% 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): 120° at 0 dB attenuation.

Deepest restriction(s): 280° at 15 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 400 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 3.5 dB attenuation; relative ERP 44.7% of peak 10°: 2.75 dB attenuation; relative ERP 53.1% of peak 20°: 2.5 dB attenuation; relative ERP 56.2% of peak 30°: 1.25 dB attenuation; relative ERP 75% of peak 40°: 0.5 dB attenuation; relative ERP 89.1% of peak 50°: 1.25 dB attenuation; relative ERP 75% of peak 60°: 1.5 dB attenuation; relative ERP 70.8% of peak 70°: 0.75 dB attenuation; relative ERP 84.1% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 0.25 dB attenuation; relative ERP 94.4% of peak 100°: 0.5 dB attenuation; relative ERP 89.1% of peak 110°: 0.75 dB attenuation; relative ERP 84.1% of peak 120°: 1 dB attenuation; relative ERP 79.4% of peak 130°: 1 dB attenuation; relative ERP 79.4% of peak 140°: 1.25 dB attenuation; relative ERP 75% of peak 150°: 0.5 dB attenuation; relative ERP 89.1% of peak 160°: 1.5 dB attenuation; relative ERP 70.8% of peak 170°: 2.75 dB attenuation; relative ERP 53.1% of peak 180°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 5.25 dB attenuation; relative ERP 29.9% of peak 200°: 7.75 dB attenuation; relative ERP 16.8% of peak 210°: 9 dB attenuation; relative ERP 12.6% of peak 220°: 11 dB attenuation; relative ERP 7.9% of peak 230°: 11 dB attenuation; relative ERP 7.9% of peak 240°: 10.75 dB attenuation; relative ERP 8.4% of peak 250°: 11 dB attenuation; relative ERP 7.9% of peak 260°: 11 dB attenuation; relative ERP 7.9% of peak 270°: 9 dB attenuation; relative ERP 12.6% of peak 280°: 8.5 dB attenuation; relative ERP 14.1% of peak 290°: 20 dB attenuation; relative ERP 1% of peak 300°: 11 dB attenuation; relative ERP 7.9% of peak 310°: 11 dB attenuation; relative ERP 7.9% of peak 320°: 9 dB attenuation; relative ERP 12.6% of peak 330°: 10 dB attenuation; relative ERP 10% of peak 340°: 9 dB attenuation; relative ERP 12.6% of peak 350°: 5.5 dB attenuation; relative ERP 28.2% 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): 80° at 0 dB attenuation.

Deepest restriction(s): 290° at 20 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 400 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°: 0 dB attenuation; relative ERP 100% 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°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 3 dB attenuation; relative ERP 50.1% of peak 200°: 3 dB attenuation; relative ERP 50.1% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 3 dB attenuation; relative ERP 50.1% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 3 dB attenuation; relative ERP 50.1% of peak 250°: 3 dB attenuation; relative ERP 50.1% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 3 dB attenuation; relative ERP 50.1% of peak 280°: 3 dB attenuation; relative ERP 50.1% of peak 290°: 6 dB attenuation; relative ERP 25.1% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 6 dB attenuation; relative ERP 25.1% of peak 320°: 6 dB attenuation; relative ERP 25.1% of peak 330°: 7 dB attenuation; relative ERP 20% of peak 340°: 7 dB attenuation; relative ERP 20% of peak 350°: 1 dB attenuation; relative ERP 79.4% 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°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170° at 0 dB attenuation.

Deepest restriction(s): 330°, 340° at 7 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 400 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°: 0 dB attenuation; relative ERP 100% 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°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 3 dB attenuation; relative ERP 50.1% of peak 200°: 3 dB attenuation; relative ERP 50.1% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 3 dB attenuation; relative ERP 50.1% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 3 dB attenuation; relative ERP 50.1% of peak 250°: 3 dB attenuation; relative ERP 50.1% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 3 dB attenuation; relative ERP 50.1% of peak 280°: 3 dB attenuation; relative ERP 50.1% of peak 290°: 6 dB attenuation; relative ERP 25.1% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 6 dB attenuation; relative ERP 25.1% of peak 320°: 6 dB attenuation; relative ERP 25.1% of peak 330°: 7 dB attenuation; relative ERP 20% of peak 340°: 7 dB attenuation; relative ERP 20% of peak 350°: 1 dB attenuation; relative ERP 79.4% 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°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170° at 0 dB attenuation.

Deepest restriction(s): 330°, 340° at 7 dB attenuation.

Parameters

Date 20/03/2007
Station Radio Jackie
Area Kingston
Site Tolworth Tower
Licence AL100669
mb21 Tolworth Tower
MCA map Open Ofcom MCA map
Frequency 107.8
NGR TQ19736594
RDS PS -JACKIE-
RDS PI C6B0
Switched PI
TP/TA Y
TMC
Lat 51.379894
Long -0.281
Site Ht 29
In-Use Aerial Ht 75
In-UseERP/HP 400 W
In-Use ERP/VP 400 W
Max Dir
Licensed ERP/HP 400 W
Licensed ERP/VP 400 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°
4.53.53.54.567.2597.256.5410.501.251.53.565.5665.556789101115107.56.757.258.5810

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°
3.52.752.51.250.51.251.50.7500.250.50.75111.250.51.52.7535.257.759111110.75111198.520111191095.5

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°
000000000000000000333333333336666771

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°
000000000000000000333333333336666771