Holyhead South Stack - Ofcom TX Visualiser

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Holyhead South Stack

Holyhead · North West Wales · 10D / 215.072 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 1 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 20 dB attenuation; relative ERP 1% of peak 10°: 14 dB attenuation; relative ERP 4% of peak 20°: 11.4 dB attenuation; relative ERP 7.2% of peak 30°: 9 dB attenuation; relative ERP 12.6% of peak 40°: 6.7 dB attenuation; relative ERP 21.4% of peak 50°: 4.4 dB attenuation; relative ERP 36.3% of peak 60°: 3.2 dB attenuation; relative ERP 47.9% of peak 70°: 2.1 dB attenuation; relative ERP 61.7% of peak 80°: 1.4 dB attenuation; relative ERP 72.4% of peak 90°: 0.8 dB attenuation; relative ERP 83.2% of peak 100°: 0.4 dB attenuation; relative ERP 91.2% 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°: 0.4 dB attenuation; relative ERP 91.2% of peak 150°: 0.8 dB attenuation; relative ERP 83.2% of peak 160°: 1.4 dB attenuation; relative ERP 72.4% of peak 170°: 2.2 dB attenuation; relative ERP 60.3% of peak 180°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 4.5 dB attenuation; relative ERP 35.5% of peak 200°: 6.5 dB attenuation; relative ERP 22.4% of peak 210°: 9 dB attenuation; relative ERP 12.6% of peak 220°: 11.8 dB attenuation; relative ERP 6.6% of peak 230°: 15 dB attenuation; relative ERP 3.2% of peak 240°: 20 dB attenuation; relative ERP 1% of peak 250°: 20 dB attenuation; relative ERP 1% of peak 260°: 20 dB attenuation; relative ERP 1% of peak 270°: 20 dB attenuation; relative ERP 1% of peak 280°: 20 dB attenuation; relative ERP 1% of peak 290°: 20 dB attenuation; relative ERP 1% of peak 300°: 20 dB attenuation; relative ERP 1% of peak 310°: 20 dB attenuation; relative ERP 1% of peak 320°: 20 dB attenuation; relative ERP 1% of peak 330°: 20 dB attenuation; relative ERP 1% of peak 340°: 20 dB attenuation; relative ERP 1% of peak 350°: 20 dB attenuation; relative ERP 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): 110°, 120°, 130° at 0 dB attenuation.

Deepest restriction(s): 0°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 20 dB attenuation.

Parameters

Date 01/08/2016
Ensemble North West Wales
Licence DL000059
mb21 Holyhead South Stack
Ensemble Area North West Wales
EID C1BF
Transmitter Area Holyhead
Site Holyhead South Stack
Freq. 215.072
Block 10D
TII Main Id (Hex) 05
TII Sub Id (Hex) 06
NGR SH21338229
Longitude/Latitude 004W40 59 53N18 26
Lat 53.307331
Long -4.683072
Site Height 135
In-Use Ae Ht 25
In-Use ERP Total 1 kW
Dir Max ERP 120°

Services listed for this ensemble row

TypeService labelSIdLSN
Audio Capital N Wales C573 196 1C0 1C4 1C9
Audio Smooth N Wales C9D0 1B7 1B8
Audio Capital Cymru C473 196
Audio BBC Radio Wales C838
Audio BBC Radio Cymru C83B
Audio RETUNE C4D7 228
Audio Nation Radio C5DD 1AC 204
Audio BBC R Cymru 2 CB3B
Audio Bayside Radio CCED
Audio Nation 80s C2EF
Audio Nation 90s C2FA
Audio Grt Hits N Wales C459
Audio Hits Radio N Wal C45A
Audio Nation 70s C2ED
Audio Dragon Radio C958 228

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°
201411.496.74.43.22.11.40.80.40000.40.81.42.234.56.5911.815202020202020202020202020