Londonderry - Ofcom TX Visualiser

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Londonderry

Londonderry · N. Ireland · 12D / 229.072 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 6.31 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 5 dB attenuation; relative ERP 31.6% of peak 10°: 3 dB attenuation; relative ERP 50.1% of peak 20°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 3 dB attenuation; relative ERP 50.1% of peak 90°: 3 dB attenuation; relative ERP 50.1% of peak 100°: 3 dB attenuation; relative ERP 50.1% of peak 110°: 3 dB attenuation; relative ERP 50.1% of peak 120°: 3 dB attenuation; relative ERP 50.1% of peak 130°: 3 dB attenuation; relative ERP 50.1% of peak 140°: 3 dB attenuation; relative ERP 50.1% of peak 150°: 3 dB attenuation; relative ERP 50.1% of peak 160°: 2 dB attenuation; relative ERP 63.1% of peak 170°: 3 dB attenuation; relative ERP 50.1% 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°: 12 dB attenuation; relative ERP 6.3% of peak 220°: 16 dB attenuation; relative ERP 2.5% of peak 230°: 20 dB attenuation; relative ERP 1% of peak 240°: 22 dB attenuation; relative ERP 0.6% of peak 250°: 26 dB attenuation; relative ERP 0.3% of peak 260°: 29 dB attenuation; relative ERP 0.1% of peak 270°: 23 dB attenuation; relative ERP 0.5% of peak 280°: 23 dB attenuation; relative ERP 0.5% of peak 290°: 26 dB attenuation; relative ERP 0.3% of peak 300°: 23 dB attenuation; relative ERP 0.5% of peak 310°: 20 dB attenuation; relative ERP 1% of peak 320°: 18 dB attenuation; relative ERP 1.6% of peak 330°: 15 dB attenuation; relative ERP 3.2% of peak 340°: 11 dB attenuation; relative ERP 7.9% of peak 350°: 8 dB attenuation; relative ERP 15.8% 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): 30°, 40°, 50° at 0 dB attenuation.

Deepest restriction(s): 260° at 29 dB attenuation.

Parameters

Date 05/09/2001
Ensemble N. Ireland
Licence DL000017
mb21 Londonderry
Ensemble Area Northern Ireland
EID C193
Transmitter Area Londonderry
Site Londonderry
Freq. 229.072
Block 12D
TII Main Id (Hex) 19
TII Sub Id (Hex) 04
NGR IC40431760
Longitude/Latitude 007W22 08 55N00 15
Lat 55.00421
Long -7.368968
Site Height 175
In-Use Ae Ht 99
In-Use ERP Total 6.31 kW
Dir Max ERP 120°

Services listed for this ensemble row

TypeService labelSIdLSN
Audio Cool FM C5B2 1D1
Audio Downtown Radio C5C5 1D5
Audio Q Radio C090
Audio BBC Ulster C339 143
Audio BBC Radio Foyle C439
Audio Planet Rock C3F8
Audio Downtown Country CCCE
Audio Absolute 80s C3F9
Audio U105 C583
Audio HITS RADIO N IRE CAE1 1E2 1E4
Audio Grt Hits NI C9E8 1E6 1E7
Audio Absolute 90s C3FA

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°
53100012333333332346912162022262923232623201815118