Chillerton Down - Ofcom TX Visualiser

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Chillerton Down

Isle of Wight · Isle of Wight Radio · 107 MHz

Antenna pattern

In-use vertical pattern

ERP field: In-Use ERP/VP = 80 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 2 dB attenuation; relative ERP 63.1% of peak 10°: 2 dB attenuation; relative ERP 63.1% of peak 20°: 2 dB attenuation; relative ERP 63.1% of peak 30°: 1.5 dB attenuation; relative ERP 70.8% of peak 40°: 1 dB attenuation; relative ERP 79.4% of peak 50°: 0.5 dB attenuation; relative ERP 89.1% of peak 60°: 0 dB attenuation; relative ERP 100% of peak 70°: 0 dB attenuation; relative ERP 100% of peak 80°: 0.5 dB attenuation; relative ERP 89.1% of peak 90°: 0.5 dB attenuation; relative ERP 89.1% of peak 100°: 1 dB attenuation; relative ERP 79.4% of peak 110°: 2 dB attenuation; relative ERP 63.1% of peak 120°: 4 dB attenuation; relative ERP 39.8% of peak 130°: 6 dB attenuation; relative ERP 25.1% of peak 140°: 8 dB attenuation; relative ERP 15.8% of peak 150°: 9 dB attenuation; relative ERP 12.6% of peak 160°: 11 dB attenuation; relative ERP 7.9% of peak 170°: 13 dB attenuation; relative ERP 5% of peak 180°: 14 dB attenuation; relative ERP 4% of peak 190°: 14 dB attenuation; relative ERP 4% of peak 200°: 14 dB attenuation; relative ERP 4% of peak 210°: 13 dB attenuation; relative ERP 5% of peak 220°: 11 dB attenuation; relative ERP 7.9% of peak 230°: 8.5 dB attenuation; relative ERP 14.1% of peak 240°: 7 dB attenuation; relative ERP 20% of peak 250°: 4.5 dB attenuation; relative ERP 35.5% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 1.5 dB attenuation; relative ERP 70.8% of peak 280°: 1 dB attenuation; relative ERP 79.4% of peak 290°: 0.5 dB attenuation; relative ERP 89.1% 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°: 0.5 dB attenuation; relative ERP 89.1% of peak 340°: 1 dB attenuation; relative ERP 79.4% of peak 350°: 1.5 dB attenuation; relative ERP 70.8% 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): 60°, 70°, 300°, 310°, 320° at 0 dB attenuation.

Deepest restriction(s): 180°, 190°, 200° at 14 dB attenuation.

Parameters

Date 23/03/1998
Station Isle of Wight Radio
Area Isle of Wight
Site Chillerton Down
Licence AL103882
mb21 Chillerton Down
MCA map Open Ofcom MCA map
Frequency 107
NGR SZ47548350
RDS PS IW_RADIO
RDS PI C8B7
Switched PI
TP/TA N
TMC
Lat 50.649251
Long -1.328934
Site Ht 166
In-Use Aerial Ht 206
In-UseERP/HP 20 W
In-Use ERP/VP 80 W
Max Dir 7
Licensed ERP/HP 20 W
Licensed ERP/VP 80 W

Pattern values

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°
2221.510.5000.50.5124689111314141413118.574.531.510.50000.511.5