Crystal Palace - Ofcom TX Visualiser

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Crystal Palace

London · Radio X · 104.9 MHz

Historic names: XFM London, XFM 104.9, XFM (licence AL000196)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 2 kW

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°: 1.5 dB attenuation; relative ERP 70.8% of peak 20°: 2.6 dB attenuation; relative ERP 55% of peak 30°: 2 dB attenuation; relative ERP 63.1% of peak 40°: 0.5 dB attenuation; relative ERP 89.1% of peak 50°: 0 dB attenuation; relative ERP 100% of peak 60°: 0.5 dB attenuation; relative ERP 89.1% of peak 70°: 2.4 dB attenuation; relative ERP 57.5% of peak 80°: 2.5 dB attenuation; relative ERP 56.2% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 0.5 dB attenuation; relative ERP 89.1% of peak 110°: 2.5 dB attenuation; relative ERP 56.2% of peak 120°: 2.2 dB attenuation; relative ERP 60.3% of peak 130°: 0.5 dB attenuation; relative ERP 89.1% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 0.4 dB attenuation; relative ERP 91.2% of peak 160°: 1 dB attenuation; relative ERP 79.4% of peak 170°: 2.5 dB attenuation; relative ERP 56.2% of peak 180°: 5.5 dB attenuation; relative ERP 28.2% of peak 190°: 9 dB attenuation; relative ERP 12.6% of peak 200°: 10.5 dB attenuation; relative ERP 8.9% of peak 210°: 12 dB attenuation; relative ERP 6.3% of peak 220°: 17 dB attenuation; relative ERP 2% of peak 230°: 17 dB attenuation; relative ERP 2% of peak 240°: 17 dB attenuation; relative ERP 2% of peak 250°: 13 dB attenuation; relative ERP 5% of peak 260°: 13 dB attenuation; relative ERP 5% of peak 270°: 13 dB attenuation; relative ERP 5% of peak 280°: 9 dB attenuation; relative ERP 12.6% of peak 290°: 5.5 dB attenuation; relative ERP 28.2% of peak 300°: 4 dB attenuation; relative ERP 39.8% of peak 310°: 3.2 dB attenuation; relative ERP 47.9% of peak 320°: 3 dB attenuation; relative ERP 50.1% of peak 330°: 3.5 dB attenuation; relative ERP 44.7% of peak 340°: 6 dB attenuation; relative ERP 25.1% of peak 350°: 5.5 dB attenuation; relative ERP 28.2% 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°, 90°, 140° at 0 dB attenuation.

Deepest restriction(s): 220°, 230°, 240° at 17 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 1.9 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 3.8 dB attenuation; relative ERP 41.7% of peak 10°: 3.8 dB attenuation; relative ERP 41.7% of peak 20°: 3.8 dB attenuation; relative ERP 41.7% of peak 30°: 1.5 dB attenuation; relative ERP 70.8% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 0.25 dB attenuation; relative ERP 94.4% of peak 60°: 1.3 dB attenuation; relative ERP 74.1% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 2.5 dB attenuation; relative ERP 56.2% of peak 90°: 2.5 dB attenuation; relative ERP 56.2% of peak 100°: 3 dB attenuation; relative ERP 50.1% of peak 110°: 5.5 dB attenuation; relative ERP 28.2% of peak 120°: 2 dB attenuation; relative ERP 63.1% of peak 130°: 0.5 dB attenuation; relative ERP 89.1% of peak 140°: 0.5 dB attenuation; relative ERP 89.1% of peak 150°: 1 dB attenuation; relative ERP 79.4% of peak 160°: 1.5 dB attenuation; relative ERP 70.8% of peak 170°: 2.4 dB attenuation; relative ERP 57.5% of peak 180°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 4 dB attenuation; relative ERP 39.8% of peak 200°: 6 dB attenuation; relative ERP 25.1% of peak 210°: 4.6 dB attenuation; relative ERP 34.7% of peak 220°: 3.2 dB attenuation; relative ERP 47.9% of peak 230°: 3.1 dB attenuation; relative ERP 49% of peak 240°: 3.7 dB attenuation; relative ERP 42.7% of peak 250°: 3.8 dB attenuation; relative ERP 41.7% of peak 260°: 4 dB attenuation; relative ERP 39.8% of peak 270°: 4.6 dB attenuation; relative ERP 34.7% of peak 280°: 5.5 dB attenuation; relative ERP 28.2% of peak 290°: 6 dB attenuation; relative ERP 25.1% of peak 300°: 4.4 dB attenuation; relative ERP 36.3% of peak 310°: 2.6 dB attenuation; relative ERP 55% of peak 320°: 3 dB attenuation; relative ERP 50.1% of peak 330°: 4 dB attenuation; relative ERP 39.8% of peak 340°: 4.5 dB attenuation; relative ERP 35.5% of peak 350°: 4.5 dB attenuation; relative ERP 35.5% 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): 40° at 0 dB attenuation.

Deepest restriction(s): 200°, 290° at 6 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 2 kW

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°: 0 dB attenuation; relative ERP 100% of peak 20°: 0 dB attenuation; relative ERP 100% of peak 30°: 0 dB attenuation; relative ERP 100% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 0 dB attenuation; relative ERP 100% of peak 60°: 0 dB attenuation; relative ERP 100% of peak 70°: 0 dB attenuation; relative ERP 100% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 0 dB attenuation; relative ERP 100% of peak 110°: 0 dB attenuation; relative ERP 100% of peak 120°: 0 dB attenuation; relative ERP 100% of peak 130°: 0 dB attenuation; relative ERP 100% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 0 dB attenuation; relative ERP 100% of peak 170°: 0 dB attenuation; relative ERP 100% of peak 180°: 4 dB attenuation; relative ERP 39.8% of peak 190°: 6 dB attenuation; relative ERP 25.1% of peak 200°: 9 dB attenuation; relative ERP 12.6% of peak 210°: 13 dB attenuation; relative ERP 5% of peak 220°: 13 dB attenuation; relative ERP 5% of peak 230°: 13 dB attenuation; relative ERP 5% of peak 240°: 13 dB attenuation; relative ERP 5% of peak 250°: 13 dB attenuation; relative ERP 5% of peak 260°: 13 dB attenuation; relative ERP 5% of peak 270°: 9 dB attenuation; relative ERP 12.6% of peak 280°: 6 dB attenuation; relative ERP 25.1% of peak 290°: 4 dB attenuation; relative ERP 39.8% of peak 300°: 3 dB attenuation; relative ERP 50.1% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 3 dB attenuation; relative ERP 50.1% of peak 330°: 3 dB attenuation; relative ERP 50.1% of peak 340°: 3 dB attenuation; relative ERP 50.1% of peak 350°: 3 dB attenuation; relative ERP 50.1% 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): 0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170° at 0 dB attenuation.

Deepest restriction(s): 210°, 220°, 230°, 240°, 250°, 260° at 13 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 2 kW

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°: 0 dB attenuation; relative ERP 100% of peak 20°: 0 dB attenuation; relative ERP 100% of peak 30°: 0 dB attenuation; relative ERP 100% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 0 dB attenuation; relative ERP 100% of peak 60°: 0 dB attenuation; relative ERP 100% of peak 70°: 0 dB attenuation; relative ERP 100% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 0 dB attenuation; relative ERP 100% of peak 110°: 0 dB attenuation; relative ERP 100% of peak 120°: 0 dB attenuation; relative ERP 100% of peak 130°: 0 dB attenuation; relative ERP 100% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 0 dB attenuation; relative ERP 100% of peak 170°: 0 dB attenuation; relative ERP 100% of peak 180°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 3 dB attenuation; relative ERP 50.1% of peak 200°: 3 dB attenuation; relative ERP 50.1% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 3 dB attenuation; relative ERP 50.1% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 3 dB attenuation; relative ERP 50.1% of peak 250°: 3 dB attenuation; relative ERP 50.1% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 3 dB attenuation; relative ERP 50.1% of peak 280°: 3 dB attenuation; relative ERP 50.1% of peak 290°: 3 dB attenuation; relative ERP 50.1% of peak 300°: 3 dB attenuation; relative ERP 50.1% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 3 dB attenuation; relative ERP 50.1% of peak 330°: 3 dB attenuation; relative ERP 50.1% of peak 340°: 3 dB attenuation; relative ERP 50.1% of peak 350°: 3 dB attenuation; relative ERP 50.1% 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): 0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170° at 0 dB attenuation.

Deepest restriction(s): 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 3 dB attenuation.

Parameters

Date 13/04/2005
Station Radio X
Area London
Site Crystal Palace
Licence AL000196
mb21 Crystal Palace
MCA map Open Ofcom MCA map
Frequency 104.9
NGR TQ33947122
RDS PS Radio_X_
RDS PI C474
Switched PI
TP/TA Y
TMC
Lat 51.424171
Long -0.074944
Site Ht 110
In-Use Aerial Ht 144
In-UseERP/HP 2 kW
In-Use ERP/VP 1.9 kW
Max Dir 50
Licensed ERP/HP 2 kW
Licensed ERP/VP 2 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°
21.52.620.500.52.42.500.52.52.20.500.412.55.5910.51217171713131395.543.233.565.5

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°
3.83.83.81.500.251.322.52.535.520.50.511.52.43464.63.23.13.73.844.65.564.42.6344.54.5

Licensed 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°
000000000000000000469131313131313964333333

Licensed 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°
000000000000000000333333333333333333