Drum Hill - Ofcom TX Visualiser

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Drum Hill

Derbyshire · BBC Radio Derby (FM) · 104.5 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 1.4 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 1 dB attenuation; relative ERP 79.4% of peak 10°: 0.75 dB attenuation; relative ERP 84.1% of peak 20°: 0.5 dB attenuation; relative ERP 89.1% of peak 30°: 0.5 dB attenuation; relative ERP 89.1% of peak 40°: 0.5 dB attenuation; relative ERP 89.1% of peak 50°: 0.25 dB attenuation; relative ERP 94.4% 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°: 1.25 dB attenuation; relative ERP 75% of peak 100°: 1.75 dB attenuation; relative ERP 66.8% of peak 110°: 1.5 dB attenuation; relative ERP 70.8% of peak 120°: 1 dB attenuation; relative ERP 79.4% of peak 130°: 0.75 dB attenuation; relative ERP 84.1% of peak 140°: 0.5 dB attenuation; relative ERP 89.1% of peak 150°: 0.5 dB attenuation; relative ERP 89.1% of peak 160°: 0.5 dB attenuation; relative ERP 89.1% of peak 170°: 0.25 dB attenuation; relative ERP 94.4% of peak 180°: 0 dB attenuation; relative ERP 100% of peak 190°: 0 dB attenuation; relative ERP 100% of peak 200°: 0.5 dB attenuation; relative ERP 89.1% of peak 210°: 1.5 dB attenuation; relative ERP 70.8% of peak 220°: 1.75 dB attenuation; relative ERP 66.8% of peak 230°: 1.5 dB attenuation; relative ERP 70.8% of peak 240°: 1 dB attenuation; relative ERP 79.4% of peak 250°: 0.75 dB attenuation; relative ERP 84.1% of peak 260°: 0.5 dB attenuation; relative ERP 89.1% of peak 270°: 0.5 dB attenuation; relative ERP 89.1% of peak 280°: 0.5 dB attenuation; relative ERP 89.1% of peak 290°: 0.25 dB attenuation; relative ERP 94.4% of peak 300°: 0 dB attenuation; relative ERP 100% of peak 310°: 0 dB attenuation; relative ERP 100% of peak 320°: 0.5 dB attenuation; relative ERP 89.1% of peak 330°: 1.5 dB attenuation; relative ERP 70.8% of peak 340°: 1.75 dB attenuation; relative ERP 66.8% 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°, 180°, 190°, 300°, 310° at 0 dB attenuation.

Deepest restriction(s): 100°, 220°, 340° at 1.75 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 2.2 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 3 dB attenuation; relative ERP 50.1% of peak 10°: 2.5 dB attenuation; relative ERP 56.2% of peak 20°: 2.5 dB attenuation; relative ERP 56.2% of peak 30°: 3 dB attenuation; relative ERP 50.1% of peak 40°: 4.5 dB attenuation; relative ERP 35.5% of peak 50°: 3 dB attenuation; relative ERP 50.1% of peak 60°: 2 dB attenuation; relative ERP 63.1% of peak 70°: 0.25 dB attenuation; relative ERP 94.4% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 1 dB attenuation; relative ERP 79.4% of peak 100°: 2.5 dB attenuation; relative ERP 56.2% of peak 110°: 4 dB attenuation; relative ERP 39.8% of peak 120°: 3 dB attenuation; relative ERP 50.1% of peak 130°: 2.25 dB attenuation; relative ERP 59.6% of peak 140°: 2.25 dB attenuation; relative ERP 59.6% of peak 150°: 3.25 dB attenuation; relative ERP 47.3% of peak 160°: 4.5 dB attenuation; relative ERP 35.5% of peak 170°: 3 dB attenuation; relative ERP 50.1% of peak 180°: 1.5 dB attenuation; relative ERP 70.8% of peak 190°: 0.25 dB attenuation; relative ERP 94.4% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 2.75 dB attenuation; relative ERP 53.1% of peak 230°: 3.75 dB attenuation; relative ERP 42.2% of peak 240°: 3 dB attenuation; relative ERP 50.1% of peak 250°: 2.5 dB attenuation; relative ERP 56.2% of peak 260°: 2.5 dB attenuation; relative ERP 56.2% of peak 270°: 3.25 dB attenuation; relative ERP 47.3% of peak 280°: 4.5 dB attenuation; relative ERP 35.5% of peak 290°: 3.25 dB attenuation; relative ERP 47.3% of peak 300°: 1.75 dB attenuation; relative ERP 66.8% of peak 310°: 0.25 dB attenuation; relative ERP 94.4% of peak 320°: 0 dB attenuation; relative ERP 100% of peak 330°: 1 dB attenuation; relative ERP 79.4% of peak 340°: 2.5 dB attenuation; relative ERP 56.2% of peak 350°: 3.75 dB attenuation; relative ERP 42.2% 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): 80°, 200°, 320° at 0 dB attenuation.

Deepest restriction(s): 40°, 160°, 280° at 4.5 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio Derby (FM)
Area Derbyshire
Site Drum Hill
Licence BBC000018
mb21 Drum Hill
Frequency 104.5
NGR SK37544214
RDS PS BBCDerby
RDS PI C917
Switched PI
TP/TA
TMC
Lat 52.975303
Long -1.442404
Site Ht 156
In-Use Aerial Ht 28
In-UseERP/HP 1.4 kW
In-Use ERP/VP 2.2 kW
Max Dir
Licensed ERP/HP 2.5 kW
Licensed ERP/VP 2.5 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°
10.750.50.50.50.25000.51.251.751.510.750.50.50.50.25000.51.51.751.510.750.50.50.50.25000.51.51.751.5

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°
32.52.534.5320.25012.5432.252.253.254.531.50.25012.753.7532.52.53.254.53.251.750.25012.53.75