Madingley - Ofcom TX Visualiser

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Madingley

Cambridge · Heart · 103 MHz

Historic names: Q103, Q103 Cambridge, Q103 FM, CNFM (licence AL000125)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 500 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0.5 dB attenuation; relative ERP 89.1% of peak 10°: 0 dB attenuation; relative ERP 100% of peak 20°: 0.5 dB attenuation; relative ERP 89.1% of peak 30°: 1.2 dB attenuation; relative ERP 75.9% of peak 40°: 2 dB attenuation; relative ERP 63.1% of peak 50°: 3 dB attenuation; relative ERP 50.1% of peak 60°: 3 dB attenuation; relative ERP 50.1% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 1 dB attenuation; relative ERP 79.4% of peak 90°: 0.5 dB attenuation; relative ERP 89.1% of peak 100°: 0.3 dB attenuation; relative ERP 93.3% of peak 110°: 1 dB attenuation; relative ERP 79.4% of peak 120°: 1.8 dB attenuation; relative ERP 66.1% of peak 130°: 2.6 dB attenuation; relative ERP 55% of peak 140°: 3 dB attenuation; relative ERP 50.1% of peak 150°: 3 dB attenuation; relative ERP 50.1% of peak 160°: 2.5 dB attenuation; relative ERP 56.2% of peak 170°: 1.4 dB attenuation; relative ERP 72.4% of peak 180°: 0.3 dB attenuation; relative ERP 93.3% of peak 190°: 0 dB attenuation; relative ERP 100% of peak 200°: 0.3 dB attenuation; relative ERP 93.3% of peak 210°: 1.7 dB attenuation; relative ERP 67.6% of peak 220°: 2.4 dB attenuation; relative ERP 57.5% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 3 dB attenuation; relative ERP 50.1% of peak 250°: 2.3 dB attenuation; relative ERP 58.9% of peak 260°: 1.5 dB attenuation; relative ERP 70.8% of peak 270°: 0.5 dB attenuation; relative ERP 89.1% of peak 280°: 0 dB attenuation; relative ERP 100% of peak 290°: 0.3 dB attenuation; relative ERP 93.3% of peak 300°: 1.4 dB attenuation; relative ERP 72.4% of peak 310°: 2.2 dB attenuation; relative ERP 60.3% of peak 320°: 2.7 dB attenuation; relative ERP 53.7% of peak 330°: 3 dB attenuation; relative ERP 50.1% of peak 340°: 2 dB attenuation; relative ERP 63.1% 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): 10°, 190°, 280° at 0 dB attenuation.

Deepest restriction(s): 50°, 60°, 140°, 150°, 230°, 240°, 330° at 3 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 400 W

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°: 1 dB attenuation; relative ERP 79.4% of peak 20°: 1 dB attenuation; relative ERP 79.4% of peak 30°: 1 dB attenuation; relative ERP 79.4% of peak 40°: 0.5 dB attenuation; relative ERP 89.1% of peak 50°: 0 dB attenuation; relative ERP 100% of peak 60°: 0 dB attenuation; relative ERP 100% of peak 70°: 0.5 dB attenuation; relative ERP 89.1% of peak 80°: 1 dB attenuation; relative ERP 79.4% of peak 90°: 1 dB attenuation; relative ERP 79.4% of peak 100°: 1 dB attenuation; relative ERP 79.4% of peak 110°: 1 dB attenuation; relative ERP 79.4% of peak 120°: 1 dB attenuation; relative ERP 79.4% of peak 130°: 0.6 dB attenuation; relative ERP 87.1% of peak 140°: 0.5 dB attenuation; relative ERP 89.1% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 0.5 dB attenuation; relative ERP 89.1% of peak 170°: 1 dB attenuation; relative ERP 79.4% of peak 180°: 1 dB attenuation; relative ERP 79.4% of peak 190°: 1 dB attenuation; relative ERP 79.4% of peak 200°: 1 dB attenuation; relative ERP 79.4% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 0.5 dB attenuation; relative ERP 89.1% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 0 dB attenuation; relative ERP 100% of peak 250°: 0.4 dB attenuation; relative ERP 91.2% of peak 260°: 1 dB attenuation; relative ERP 79.4% of peak 270°: 1 dB attenuation; relative ERP 79.4% of peak 280°: 1 dB attenuation; relative ERP 79.4% of peak 290°: 1 dB attenuation; relative ERP 79.4% 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 dB attenuation; relative ERP 100% of peak 340°: 0.6 dB attenuation; relative ERP 87.1% of peak 350°: 0.8 dB attenuation; relative ERP 83.2% 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): 50°, 60°, 150°, 230°, 240°, 300°, 310°, 320°, 330° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 80°, 90°, 100°, 110°, 120°, 170°, 180°, 190°, 200°, 210°, 260°, 270°, 280°, 290° at 1 dB attenuation.

Parameters

Date 01/01/1900
Station Heart
Area Cambridge
Site Madingley
Licence AL000125
mb21 Madingley
MCA map Open Ofcom MCA map
Frequency 103
NGR TL39245942
RDS PS Heart___
RDS PI C36A
Switched PI C46A
TP/TA Y
TMC Y
Lat 52.215406
Long 0.036668
Site Ht 62
In-Use Aerial Ht 66
In-UseERP/HP 500 W
In-Use ERP/VP 400 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°
0.500.51.2233210.50.311.82.6332.51.40.300.31.72.4332.31.50.500.31.42.22.7321.5

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°
11110.5000.5111110.60.500.5111110.5000.4111100000.60.8