Chillerton Down - Ofcom TX Visualiser

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Chillerton Down

Solent · Greatest Hits Radio · 105.2 MHz

Historic names: Wave 105 (licence AL000215)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 5 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 1.2 dB attenuation; relative ERP 75.9% of peak 10°: 2.2 dB attenuation; relative ERP 60.3% of peak 20°: 2 dB attenuation; relative ERP 63.1% of peak 30°: 1.2 dB attenuation; relative ERP 75.9% of peak 40°: 1 dB attenuation; relative ERP 79.4% of peak 50°: 1.5 dB attenuation; relative ERP 70.8% of peak 60°: 3 dB attenuation; relative ERP 50.1% of peak 70°: 5 dB attenuation; relative ERP 31.6% of peak 80°: 8 dB attenuation; relative ERP 15.8% of peak 90°: 10.5 dB attenuation; relative ERP 8.9% of peak 100°: 14 dB attenuation; relative ERP 4% of peak 110°: 18 dB attenuation; relative ERP 1.6% of peak 120°: 20 dB attenuation; relative ERP 1% of peak 130°: 20 dB attenuation; relative ERP 1% of peak 140°: 20 dB attenuation; relative ERP 1% of peak 150°: 20 dB attenuation; relative ERP 1% of peak 160°: 20 dB attenuation; relative ERP 1% of peak 170°: 20 dB attenuation; relative ERP 1% of peak 180°: 20 dB attenuation; relative ERP 1% of peak 190°: 20 dB attenuation; relative ERP 1% of peak 200°: 20 dB attenuation; relative ERP 1% of peak 210°: 20 dB attenuation; relative ERP 1% of peak 220°: 18 dB attenuation; relative ERP 1.6% of peak 230°: 14 dB attenuation; relative ERP 4% of peak 240°: 10 dB attenuation; relative ERP 10% of peak 250°: 7 dB attenuation; relative ERP 20% of peak 260°: 4.5 dB attenuation; relative ERP 35.5% of peak 270°: 2.8 dB attenuation; relative ERP 52.5% of peak 280°: 1.5 dB attenuation; relative ERP 70.8% of peak 290°: 1 dB attenuation; relative ERP 79.4% of peak 300°: 1.3 dB attenuation; relative ERP 74.1% of peak 310°: 2.2 dB attenuation; relative ERP 60.3% of peak 320°: 2.5 dB attenuation; relative ERP 56.2% of peak 330°: 1.5 dB attenuation; relative ERP 70.8% of peak 340°: 0.2 dB attenuation; relative ERP 95.5% 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): 350° at 0 dB attenuation.

Deepest restriction(s): 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210° at 20 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 5 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 1.9 dB attenuation; relative ERP 64.6% of peak 10°: 3.4 dB attenuation; relative ERP 45.7% of peak 20°: 3 dB attenuation; relative ERP 50.1% of peak 30°: 2 dB attenuation; relative ERP 63.1% of peak 40°: 1.5 dB attenuation; relative ERP 70.8% of peak 50°: 1.8 dB attenuation; relative ERP 66.1% of peak 60°: 3 dB attenuation; relative ERP 50.1% of peak 70°: 4.5 dB attenuation; relative ERP 35.5% of peak 80°: 7 dB attenuation; relative ERP 20% of peak 90°: 10 dB attenuation; relative ERP 10% of peak 100°: 12 dB attenuation; relative ERP 6.3% of peak 110°: 14 dB attenuation; relative ERP 4% of peak 120°: 17 dB attenuation; relative ERP 2% of peak 130°: 20 dB attenuation; relative ERP 1% of peak 140°: 20 dB attenuation; relative ERP 1% of peak 150°: 20 dB attenuation; relative ERP 1% of peak 160°: 20 dB attenuation; relative ERP 1% of peak 170°: 20 dB attenuation; relative ERP 1% of peak 180°: 20 dB attenuation; relative ERP 1% of peak 190°: 20 dB attenuation; relative ERP 1% of peak 200°: 17 dB attenuation; relative ERP 2% of peak 210°: 14 dB attenuation; relative ERP 4% of peak 220°: 12 dB attenuation; relative ERP 6.3% of peak 230°: 10.5 dB attenuation; relative ERP 8.9% of peak 240°: 8.5 dB attenuation; relative ERP 14.1% of peak 250°: 6 dB attenuation; relative ERP 25.1% of peak 260°: 3.8 dB attenuation; relative ERP 41.7% of peak 270°: 2.2 dB attenuation; relative ERP 60.3% of peak 280°: 1.5 dB attenuation; relative ERP 70.8% of peak 290°: 1.2 dB attenuation; relative ERP 75.9% of peak 300°: 2 dB attenuation; relative ERP 63.1% of peak 310°: 3.8 dB attenuation; relative ERP 41.7% of peak 320°: 4 dB attenuation; relative ERP 39.8% of peak 330°: 2 dB attenuation; relative ERP 63.1% of peak 340°: 0.2 dB attenuation; relative ERP 95.5% 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): 350° at 0 dB attenuation.

Deepest restriction(s): 130°, 140°, 150°, 160°, 170°, 180°, 190° at 20 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 5 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°: 7 dB attenuation; relative ERP 20% of peak 100°: 7 dB attenuation; relative ERP 20% of peak 110°: 7 dB attenuation; relative ERP 20% of peak 120°: 7 dB attenuation; relative ERP 20% of peak 130°: 7 dB attenuation; relative ERP 20% of peak 140°: 7 dB attenuation; relative ERP 20% of peak 150°: 7 dB attenuation; relative ERP 20% of peak 160°: 7 dB attenuation; relative ERP 20% of peak 170°: 7 dB attenuation; relative ERP 20% of peak 180°: 7 dB attenuation; relative ERP 20% of peak 190°: 7 dB attenuation; relative ERP 20% of peak 200°: 10 dB attenuation; relative ERP 10% of peak 210°: 10 dB attenuation; relative ERP 10% of peak 220°: 10 dB attenuation; relative ERP 10% of peak 230°: 7 dB attenuation; relative ERP 20% of peak 240°: 7 dB attenuation; relative ERP 20% 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°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 200°, 210°, 220° at 10 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 5 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°: 7 dB attenuation; relative ERP 20% of peak 100°: 7 dB attenuation; relative ERP 20% of peak 110°: 7 dB attenuation; relative ERP 20% of peak 120°: 7 dB attenuation; relative ERP 20% of peak 130°: 7 dB attenuation; relative ERP 20% of peak 140°: 7 dB attenuation; relative ERP 20% of peak 150°: 7 dB attenuation; relative ERP 20% of peak 160°: 7 dB attenuation; relative ERP 20% of peak 170°: 7 dB attenuation; relative ERP 20% of peak 180°: 7 dB attenuation; relative ERP 20% of peak 190°: 7 dB attenuation; relative ERP 20% of peak 200°: 10 dB attenuation; relative ERP 10% of peak 210°: 10 dB attenuation; relative ERP 10% of peak 220°: 10 dB attenuation; relative ERP 10% of peak 230°: 7 dB attenuation; relative ERP 20% of peak 240°: 7 dB attenuation; relative ERP 20% 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°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 200°, 210°, 220° at 10 dB attenuation.

Parameters

Date 26/05/1998
Station Greatest Hits Radio
Area Solent
Site Chillerton Down
Licence AL000215
mb21 Chillerton Down
MCA map Open Ofcom MCA map
Frequency 105.2
NGR SZ47548350
RDS PS GRT_HITS
RDS PI C3AD
Switched PI
TP/TA Y
TMC Y
Lat 50.649251
Long -1.328934
Site Ht 166
In-Use Aerial Ht 214
In-UseERP/HP 5 kW
In-Use ERP/VP 5 kW
Max Dir 350
Licensed ERP/HP 5 kW
Licensed ERP/VP 5 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°
1.22.221.211.535810.514182020202020202020202018141074.52.81.511.32.22.51.50.20

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°
1.93.4321.51.834.57101214172020202020202017141210.58.563.82.21.51.223.8420.20

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°
000000000777777777771010107700000000000

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°
000000000777777777771010107700000000000