Combe Martin - Ofcom TX Visualiser

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Combe Martin

Ilfracombe · BBC Radio 3 · 91.3 MHz

Antenna pattern

In-use vertical pattern

ERP field: In-Use ERP/VP = 4 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°: 3 dB attenuation; relative ERP 50.1% of peak 20°: 3 dB attenuation; relative ERP 50.1% of peak 30°: 3 dB attenuation; relative ERP 50.1% of peak 40°: 2 dB attenuation; relative ERP 63.1% of peak 50°: 2 dB attenuation; relative ERP 63.1% of peak 60°: 1 dB attenuation; relative ERP 79.4% of peak 70°: 1 dB attenuation; relative ERP 79.4% of peak 80°: 1 dB attenuation; relative ERP 79.4% of peak 90°: 2 dB attenuation; relative ERP 63.1% of peak 100°: 3 dB attenuation; relative ERP 50.1% of peak 110°: 4 dB attenuation; relative ERP 39.8% of peak 120°: 6 dB attenuation; relative ERP 25.1% of peak 130°: 8 dB attenuation; relative ERP 15.8% of peak 140°: 10 dB attenuation; relative ERP 10% of peak 150°: 12 dB attenuation; relative ERP 6.3% of peak 160°: 16 dB attenuation; relative ERP 2.5% of peak 170°: 18 dB attenuation; relative ERP 1.6% of peak 180°: 16 dB attenuation; relative ERP 2.5% of peak 190°: 16 dB attenuation; relative ERP 2.5% of peak 200°: 16 dB attenuation; relative ERP 2.5% 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°: 9 dB attenuation; relative ERP 12.6% of peak 250°: 6 dB attenuation; relative ERP 25.1% of peak 260°: 5 dB attenuation; relative ERP 31.6% of peak 270°: 4 dB attenuation; relative ERP 39.8% of peak 280°: 3 dB attenuation; relative ERP 50.1% of peak 290°: 2 dB attenuation; relative ERP 63.1% 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°: 1 dB attenuation; relative ERP 79.4% of peak 350°: 2 dB attenuation; relative ERP 63.1% 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): 310°, 320°, 330° at 0 dB attenuation.

Deepest restriction(s): 210° at 20 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio 3
Area Ilfracombe
Site Combe Martin
Licence BBC000003
mb21 Combe Martin
Frequency 91.3
NGR SS58174619
RDS PS _BBC_R3_
RDS PI C203
Switched PI
TP/TA
TMC
Lat 51.197274
Long -4.031278
Site Ht 144
In-Use Aerial Ht 25
In-UseERP/HP 0 W
In-Use ERP/VP 4 W
Max Dir
Licensed ERP/HP 4 W
Licensed ERP/VP 4 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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