LADDER HILL - Ofcom TX Visualiser

← Back to DAB search · Map this site name · Offline SVG map

LADDER HILL

Ladder Hill · BBC National DAB · 12B / 225.648 MHz

Antenna pattern

Antenna pattern

ERP field: In-Use ERP Total = 251.2 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 2.6 dB attenuation; relative ERP 55% of peak 10°: 2.7 dB attenuation; relative ERP 53.7% of peak 20°: 2.6 dB attenuation; relative ERP 55% of peak 30°: 2.4 dB attenuation; relative ERP 57.5% of peak 40°: 2 dB attenuation; relative ERP 63.1% of peak 50°: 1.2 dB attenuation; relative ERP 75.9% of peak 60°: 0.7 dB attenuation; relative ERP 85.1% of peak 70°: 0.3 dB attenuation; relative ERP 93.3% of peak 80°: 0.1 dB attenuation; relative ERP 97.7% of peak 90°: 0.4 dB attenuation; relative ERP 91.2% of peak 100°: 1.3 dB attenuation; relative ERP 74.1% of peak 110°: 2.9 dB attenuation; relative ERP 51.3% of peak 120°: 5 dB attenuation; relative ERP 31.6% of peak 130°: 7.9 dB attenuation; relative ERP 16.2% of peak 140°: 10.7 dB attenuation; relative ERP 8.5% of peak 150°: 15.2 dB attenuation; relative ERP 3% of peak 160°: 19.2 dB attenuation; relative ERP 1.2% of peak 170°: 24 dB attenuation; relative ERP 0.4% of peak 180°: 24 dB attenuation; relative ERP 0.4% of peak 190°: 22.4 dB attenuation; relative ERP 0.6% of peak 200°: 19.8 dB attenuation; relative ERP 1% of peak 210°: 15.6 dB attenuation; relative ERP 2.8% of peak 220°: 12.1 dB attenuation; relative ERP 6.2% of peak 230°: 9 dB attenuation; relative ERP 12.6% of peak 240°: 6.2 dB attenuation; relative ERP 24% of peak 250°: 4.5 dB attenuation; relative ERP 35.5% of peak 260°: 2.4 dB attenuation; relative ERP 57.5% of peak 270°: 1 dB attenuation; relative ERP 79.4% of peak 280°: 0 dB attenuation; relative ERP 100% of peak 290°: 0.3 dB attenuation; relative ERP 93.3% of peak 300°: 0.3 dB attenuation; relative ERP 93.3% of peak 310°: 1.1 dB attenuation; relative ERP 77.6% of peak 320°: 1.7 dB attenuation; relative ERP 67.6% of peak 330°: 2.4 dB attenuation; relative ERP 57.5% of peak 340°: 2.3 dB attenuation; relative ERP 58.9% of peak 350°: 2.8 dB attenuation; relative ERP 52.5% 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): 280° at 0 dB attenuation.

Deepest restriction(s): 170°, 180° at 24 dB attenuation.

Parameters

Date 22/05/2014
Ensemble BBC National DAB
Licence BBCD000001
mb21 Ladder Hill
Ensemble Area UK
EID CE15
Transmitter Area Ladder Hill
Site LADDER HILL
Freq. 225.648
Block 12B
TII Main Id (Hex) 20
TII Sub Id (Hex) 05
NGR SK02747886
Longitude/Latitude 001W57 37 53N18 24
Lat 53.306677
Long -1.960342
Site Height 404
In-Use Ae Ht 28
In-Use ERP Total 251.2 W
Dir Max ERP 70°

Services listed for this ensemble row

TypeService labelSIdLSN
Audio BBC Radio 1 C221
Audio BBC Radio 2 C222
Audio BBC Radio 3 C223
Audio BBC Radio 4 C224
Audio Radio 5 Live C225
Audio Radio 5 Extra C228
Audio BBC Radio 6Music C22B
Audio BBC Radio 1Xtra C22A
Audio BBC WorldService C238
Audio BBC AsianNetwork C236
Audio BBC Radio 4Extra C22C
Audio BBC Radio1Anthms C22D
Audio BBC Radio1Dance C229
Audio BBC Radio3Unwind C22E
Data BBC Guide E1C79E5E
Data BBC Travel E1C79E60

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°
2.62.72.62.421.20.70.30.10.41.32.957.910.715.219.2242422.419.815.612.196.24.52.4100.30.31.11.72.42.32.8