Mapperley Ridge - Ofcom TX Visualiser

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Mapperley Ridge

Nottingham · BBC Radio Nottingham (FM) · 103.8 MHz

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°: 0 dB attenuation; relative ERP 100% of peak 10°: 1.5 dB attenuation; relative ERP 70.8% of peak 20°: 2 dB attenuation; relative ERP 63.1% of peak 30°: 1.5 dB attenuation; relative ERP 70.8% of peak 40°: 0.5 dB attenuation; relative ERP 89.1% of peak 50°: 0.5 dB attenuation; relative ERP 89.1% of peak 60°: 1.5 dB attenuation; relative ERP 70.8% of peak 70°: 1 dB attenuation; relative ERP 79.4% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 1.5 dB attenuation; relative ERP 70.8% of peak 110°: 2 dB attenuation; relative ERP 63.1% of peak 120°: 1 dB attenuation; relative ERP 79.4% of peak 130°: 0.5 dB attenuation; relative ERP 89.1% of peak 140°: 1 dB attenuation; relative ERP 79.4% of peak 150°: 2 dB attenuation; relative ERP 63.1% of peak 160°: 1.5 dB attenuation; relative ERP 70.8% of peak 170°: 0 dB attenuation; relative ERP 100% of peak 180°: 0 dB attenuation; relative ERP 100% of peak 190°: 1.5 dB attenuation; relative ERP 70.8% of peak 200°: 2 dB attenuation; relative ERP 63.1% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 0.5 dB attenuation; relative ERP 89.1% of peak 230°: 1 dB attenuation; relative ERP 79.4% of peak 240°: 2.5 dB attenuation; relative ERP 56.2% of peak 250°: 1.5 dB attenuation; relative ERP 70.8% of peak 260°: 0 dB attenuation; relative ERP 100% of peak 270°: 0 dB attenuation; relative ERP 100% of peak 280°: 1.5 dB attenuation; relative ERP 70.8% of peak 290°: 2 dB attenuation; relative ERP 63.1% of peak 300°: 1.5 dB attenuation; relative ERP 70.8% of peak 310°: 1 dB attenuation; relative ERP 79.4% of peak 320°: 1 dB attenuation; relative ERP 79.4% of peak 330°: 1.5 dB attenuation; relative ERP 70.8% of peak 340°: 1 dB attenuation; relative ERP 79.4% 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°, 80°, 90°, 170°, 180°, 260°, 270°, 350° at 0 dB attenuation.

Deepest restriction(s): 240° at 2.5 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 500 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°: 2.5 dB attenuation; relative ERP 56.2% of peak 20°: 3.5 dB attenuation; relative ERP 44.7% of peak 30°: 3.5 dB attenuation; relative ERP 44.7% of peak 40°: 3 dB attenuation; relative ERP 50.1% of peak 50°: 3.5 dB attenuation; relative ERP 44.7% of peak 60°: 3 dB attenuation; relative ERP 50.1% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 0.5 dB attenuation; relative ERP 89.1% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 2 dB attenuation; relative ERP 63.1% of peak 110°: 3.5 dB attenuation; relative ERP 44.7% of peak 120°: 3.5 dB attenuation; relative ERP 44.7% of peak 130°: 3 dB attenuation; relative ERP 50.1% of peak 140°: 4 dB attenuation; relative ERP 39.8% of peak 150°: 4 dB attenuation; relative ERP 39.8% of peak 160°: 2 dB attenuation; relative ERP 63.1% of peak 170°: 0.5 dB attenuation; relative ERP 89.1% of peak 180°: 0 dB attenuation; relative ERP 100% of peak 190°: 2 dB attenuation; relative ERP 63.1% of peak 200°: 4 dB attenuation; relative ERP 39.8% of peak 210°: 3.5 dB attenuation; relative ERP 44.7% of peak 220°: 3 dB attenuation; relative ERP 50.1% of peak 230°: 4 dB attenuation; relative ERP 39.8% of peak 240°: 4 dB attenuation; relative ERP 39.8% of peak 250°: 2 dB attenuation; relative ERP 63.1% of peak 260°: 0 dB attenuation; relative ERP 100% of peak 270°: 0 dB attenuation; relative ERP 100% of peak 280°: 2 dB attenuation; relative ERP 63.1% of peak 290°: 3.5 dB attenuation; relative ERP 44.7% of peak 300°: 4 dB attenuation; relative ERP 39.8% of peak 310°: 3.5 dB attenuation; relative ERP 44.7% of peak 320°: 4 dB attenuation; relative ERP 39.8% of peak 330°: 4 dB attenuation; relative ERP 39.8% of peak 340°: 2 dB attenuation; relative ERP 63.1% 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°, 90°, 180°, 260°, 270°, 350° at 0 dB attenuation.

Deepest restriction(s): 140°, 150°, 200°, 230°, 240°, 300°, 320°, 330° at 4 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio Nottingham (FM)
Area Nottingham
Site Mapperley Ridge
Licence BBC000035
mb21 Mapperley Ridge
Frequency 103.8
NGR SK58344246
RDS PS BBCNottm
RDS PI C719
Switched PI
TP/TA
TMC
Lat 52.976324
Long -1.132626
Site Ht 122
In-Use Aerial Ht 46
In-UseERP/HP 400 W
In-Use ERP/VP 500 W
Max Dir
Licensed ERP/HP 500 W
Licensed ERP/VP 500 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°
01.521.50.50.51.51001.5210.5121.5001.5210.512.51.5001.521.5111.510

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°
02.53.53.533.5320.5023.53.534420.50243.534420023.543.54420