Holywell - Ofcom TX Visualiser

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Holywell

Dee Estuary · BBC Radio Cymru · 104.7 MHz

Antenna pattern

In-use vertical pattern

ERP field: In-Use ERP/VP = 250 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 20 dB attenuation; relative ERP 1% of peak 10°: 16 dB attenuation; relative ERP 2.5% of peak 20°: 20 dB attenuation; relative ERP 1% of peak 30°: 14 dB attenuation; relative ERP 4% of peak 40°: 14 dB attenuation; relative ERP 4% of peak 50°: 16 dB attenuation; relative ERP 2.5% of peak 60°: 20 dB attenuation; relative ERP 1% of peak 70°: 16 dB attenuation; relative ERP 2.5% of peak 80°: 14 dB attenuation; relative ERP 4% of peak 90°: 14 dB attenuation; relative ERP 4% of peak 100°: 10 dB attenuation; relative ERP 10% of peak 110°: 5 dB attenuation; relative ERP 31.6% of peak 120°: 2 dB attenuation; relative ERP 63.1% of peak 130°: 1 dB attenuation; relative ERP 79.4% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 2 dB attenuation; relative ERP 63.1% of peak 170°: 5 dB attenuation; relative ERP 31.6% of peak 180°: 5 dB attenuation; relative ERP 31.6% of peak 190°: 4 dB attenuation; relative ERP 39.8% of peak 200°: 3 dB attenuation; relative ERP 50.1% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 1 dB attenuation; relative ERP 79.4% of peak 240°: 2 dB attenuation; relative ERP 63.1% of peak 250°: 3 dB attenuation; relative ERP 50.1% of peak 260°: 7 dB attenuation; relative ERP 20% of peak 270°: 14 dB attenuation; relative ERP 4% of peak 280°: 7 dB attenuation; relative ERP 20% of peak 290°: 3 dB attenuation; relative ERP 50.1% of peak 300°: 1 dB attenuation; relative ERP 79.4% 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°: 2 dB attenuation; relative ERP 63.1% of peak 350°: 6 dB attenuation; relative ERP 25.1% 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): 140°, 150°, 220°, 310°, 320°, 330° at 0 dB attenuation.

Deepest restriction(s): 0°, 20°, 60° at 20 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio Cymru
Area Dee Estuary
Site Holywell
Licence BBC000009
mb21 Holywell
Frequency 104.7
NGR SJ18007706
RDS PS BBCCymru
RDS PI C71B
Switched PI
TP/TA
TMC
Lat 53.284144
Long -3.231409
Site Ht 130
In-Use Aerial Ht 30
In-UseERP/HP 0 W
In-Use ERP/VP 250 W
Max Dir
Licensed ERP/HP 250 W
Licensed ERP/VP 250 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°
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