Colchester - Ofcom TX Visualiser

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Colchester

Southend and Chelmsford · Essex · 12D / 229.072 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 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°: 1.3 dB attenuation; relative ERP 74.1% of peak 20°: 2.4 dB attenuation; relative ERP 57.5% of peak 30°: 4 dB attenuation; relative ERP 39.8% of peak 40°: 5.7 dB attenuation; relative ERP 26.9% of peak 50°: 7.8 dB attenuation; relative ERP 16.6% of peak 60°: 9.8 dB attenuation; relative ERP 10.5% of peak 70°: 11.6 dB attenuation; relative ERP 6.9% of peak 80°: 12.6 dB attenuation; relative ERP 5.5% of peak 90°: 13.1 dB attenuation; relative ERP 4.9% of peak 100°: 13.3 dB attenuation; relative ERP 4.7% of peak 110°: 13.1 dB attenuation; relative ERP 4.9% of peak 120°: 12.8 dB attenuation; relative ERP 5.2% of peak 130°: 11.5 dB attenuation; relative ERP 7.1% of peak 140°: 10 dB attenuation; relative ERP 10% of peak 150°: 7.9 dB attenuation; relative ERP 16.2% of peak 160°: 5.8 dB attenuation; relative ERP 26.3% of peak 170°: 4 dB attenuation; relative ERP 39.8% of peak 180°: 2.5 dB attenuation; relative ERP 56.2% of peak 190°: 1.3 dB attenuation; relative ERP 74.1% of peak 200°: 0.4 dB attenuation; relative ERP 91.2% of peak 210°: 0.1 dB attenuation; relative ERP 97.7% of peak 220°: 0.1 dB attenuation; relative ERP 97.7% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 0.2 dB attenuation; relative ERP 95.5% of peak 250°: 0.5 dB attenuation; relative ERP 89.1% of peak 260°: 0.8 dB attenuation; relative ERP 83.2% of peak 270°: 1 dB attenuation; relative ERP 79.4% of peak 280°: 1.1 dB attenuation; relative ERP 77.6% of peak 290°: 1.1 dB attenuation; relative ERP 77.6% of peak 300°: 0.8 dB attenuation; relative ERP 83.2% of peak 310°: 0.6 dB attenuation; relative ERP 87.1% of peak 320°: 0.3 dB attenuation; relative ERP 93.3% of peak 330°: 0.1 dB attenuation; relative ERP 97.7% of peak 340°: 0 dB attenuation; relative ERP 100% of peak 350°: 0.1 dB attenuation; relative ERP 97.7% 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): 230°, 340° at 0 dB attenuation.

Deepest restriction(s): 100° at 13.3 dB attenuation.

Parameters

Date 29/04/2002
Ensemble Essex
Licence DL000025
mb21 Colchester
Ensemble Area Essex
EID C19C
Transmitter Area Southend and Chelmsford
Site Colchester
Freq. 229.072
Block 12D
TII Main Id (Hex) 06
TII Sub Id (Hex) 05
NGR TM01312834
Longitude/Latitude 000E55 33 51N55 02
Lat 51.917186
Long 0.925799
Site Height 45
In-Use Ae Ht 39
In-Use ERP Total 500 W
Dir Max ERP 260°

Services listed for this ensemble row

TypeService labelSIdLSN
Audio Heart Essex C364 197 1B5
Audio Smooth Essex CED2 1B7 1B8 1B9
Audio Smooth Country CDE9
Audio BBC Essex CE31
Audio Capital UK C47F 196 1A9 1C0 1C9
Audio Radio Essex C3D0
Audio Hits Radio Essex C6E2 1E2 1E4
Audio Grt Hits Essex C8E5 1E6 1E7
Audio Shine 879 CFF2
Audio Nation 80s C2EF
Audio Nation 90s C2FA
Audio Actual Radio C8E4
Data EPG Essex E1C000C1

Pattern values

Antenna 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°
0.51.32.445.77.89.811.612.613.113.313.112.811.5107.95.842.51.30.40.10.100.20.50.811.11.10.80.60.30.100.1