Crystal Palace - Ofcom TX Visualiser

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Crystal Palace

London · Greatest Hits Radio · 105.8 MHz

Historic names: Absolute Radio, Virgin Radio, Virgin 105.8 (licence AL000173)

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°: 3 dB attenuation; relative ERP 50.1% of peak 10°: 4.5 dB attenuation; relative ERP 35.5% of peak 20°: 2 dB attenuation; relative ERP 63.1% of peak 30°: 0.5 dB attenuation; relative ERP 89.1% of peak 40°: 2 dB attenuation; relative ERP 63.1% of peak 50°: 4.5 dB attenuation; relative ERP 35.5% of peak 60°: 4 dB attenuation; relative ERP 39.8% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 2 dB attenuation; relative ERP 63.1% of peak 90°: 4.5 dB attenuation; relative ERP 35.5% of peak 100°: 3 dB attenuation; relative ERP 50.1% of peak 110°: 1.25 dB attenuation; relative ERP 75% of peak 120°: 1.5 dB attenuation; relative ERP 70.8% of peak 130°: 3.5 dB attenuation; relative ERP 44.7% of peak 140°: 5.5 dB attenuation; relative ERP 28.2% of peak 150°: 3.5 dB attenuation; relative ERP 44.7% of peak 160°: 1.25 dB attenuation; relative ERP 75% of peak 170°: 2 dB attenuation; relative ERP 63.1% of peak 180°: 5 dB attenuation; relative ERP 31.6% of peak 190°: 2 dB attenuation; relative ERP 63.1% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 0.75 dB attenuation; relative ERP 84.1% of peak 220°: 2 dB attenuation; relative ERP 63.1% of peak 230°: 4.5 dB attenuation; relative ERP 35.5% of peak 240°: 5 dB attenuation; relative ERP 31.6% of peak 250°: 2.5 dB attenuation; relative ERP 56.2% of peak 260°: 1.75 dB attenuation; relative ERP 66.8% of peak 270°: 4 dB attenuation; relative ERP 39.8% of peak 280°: 2.5 dB attenuation; relative ERP 56.2% of peak 290°: 0.5 dB attenuation; relative ERP 89.1% of peak 300°: 0.25 dB attenuation; relative ERP 94.4% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 5.5 dB attenuation; relative ERP 28.2% of peak 330°: 4.5 dB attenuation; relative ERP 35.5% of peak 340°: 2 dB attenuation; relative ERP 63.1% of peak 350°: 1.25 dB attenuation; relative ERP 75% 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): 200° at 0 dB attenuation.

Deepest restriction(s): 140°, 320° at 5.5 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 1.7 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°: 2.25 dB attenuation; relative ERP 59.6% of peak 20°: 1.5 dB attenuation; relative ERP 70.8% of peak 30°: 1 dB attenuation; relative ERP 79.4% of peak 40°: 2 dB attenuation; relative ERP 63.1% of peak 50°: 3.5 dB attenuation; relative ERP 44.7% of peak 60°: 2.25 dB attenuation; relative ERP 59.6% of peak 70°: 0.75 dB attenuation; relative ERP 84.1% of peak 80°: 0.5 dB attenuation; relative ERP 89.1% of peak 90°: 1.25 dB attenuation; relative ERP 75% of peak 100°: 2 dB attenuation; relative ERP 63.1% of peak 110°: 1.5 dB attenuation; relative ERP 70.8% of peak 120°: 1 dB attenuation; relative ERP 79.4% of peak 130°: 2 dB attenuation; relative ERP 63.1% of peak 140°: 4.5 dB attenuation; relative ERP 35.5% of peak 150°: 5 dB attenuation; relative ERP 31.6% of peak 160°: 3 dB attenuation; relative ERP 50.1% of peak 170°: 0.5 dB attenuation; relative ERP 89.1% of peak 180°: 1 dB attenuation; relative ERP 79.4% of peak 190°: 2.5 dB attenuation; relative ERP 56.2% of peak 200°: 1.25 dB attenuation; relative ERP 75% of peak 210°: 0.5 dB attenuation; relative ERP 89.1% of peak 220°: 1.5 dB attenuation; relative ERP 70.8% of peak 230°: 3.25 dB attenuation; relative ERP 47.3% of peak 240°: 3 dB attenuation; relative ERP 50.1% of peak 250°: 1 dB attenuation; relative ERP 79.4% of peak 260°: 0 dB attenuation; relative ERP 100% of peak 270°: 1.25 dB attenuation; relative ERP 75% of peak 280°: 2 dB attenuation; relative ERP 63.1% of peak 290°: 1 dB attenuation; relative ERP 79.4% of peak 300°: 0.5 dB attenuation; relative ERP 89.1% of peak 310°: 1.75 dB attenuation; relative ERP 66.8% of peak 320°: 4 dB attenuation; relative ERP 39.8% of peak 330°: 3 dB attenuation; relative ERP 50.1% of peak 340°: 1.25 dB attenuation; relative ERP 75% 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): 260°, 350° at 0 dB attenuation.

Deepest restriction(s): 150° at 5 dB attenuation.

Parameters

Date 12/05/2003
Station Greatest Hits Radio
Area London
Site Crystal Palace
Licence AL000173
mb21 Crystal Palace
MCA map Open Ofcom MCA map
Frequency 105.8
NGR TQ33947122
RDS PS GRT_HITS
RDS PI C4B4
Switched PI
TP/TA Y
TMC
Lat 51.424171
Long -0.074944
Site Ht 110
In-Use Aerial Ht 149
In-UseERP/HP 2 kW
In-Use ERP/VP 1.7 kW
Max Dir
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°
34.520.524.54224.531.251.53.55.53.51.2525200.7524.552.51.7542.50.50.2535.54.521.25

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°
12.251.5123.52.250.750.51.2521.5124.5530.512.51.250.51.53.253101.25210.51.75431.250