Black Mountain - Ofcom TX Visualiser

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Black Mountain

Belfast · U105 · 105.8 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 920 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 7 dB attenuation; relative ERP 20% of peak 10°: 5.5 dB attenuation; relative ERP 28.2% of peak 20°: 5 dB attenuation; relative ERP 31.6% of peak 30°: 4 dB attenuation; relative ERP 39.8% of peak 40°: 2.5 dB attenuation; relative ERP 56.2% of peak 50°: 1 dB attenuation; relative ERP 79.4% of peak 60°: 0 dB attenuation; relative ERP 100% of peak 70°: 1 dB attenuation; relative ERP 79.4% of peak 80°: 2.5 dB attenuation; relative ERP 56.2% of peak 90°: 4.5 dB attenuation; relative ERP 35.5% of peak 100°: 6 dB attenuation; relative ERP 25.1% of peak 110°: 6.25 dB attenuation; relative ERP 23.7% of peak 120°: 6.4 dB attenuation; relative ERP 22.9% of peak 130°: 7 dB attenuation; relative ERP 20% of peak 140°: 7.5 dB attenuation; relative ERP 17.8% of peak 150°: 9 dB attenuation; relative ERP 12.6% of peak 160°: 11 dB attenuation; relative ERP 7.9% of peak 170°: 14 dB attenuation; relative ERP 4% of peak 180°: 10.5 dB attenuation; relative ERP 8.9% of peak 190°: 7 dB attenuation; relative ERP 20% of peak 200°: 6 dB attenuation; relative ERP 25.1% of peak 210°: 8.5 dB attenuation; relative ERP 14.1% of peak 220°: 18 dB attenuation; relative ERP 1.6% of peak 230°: 14 dB attenuation; relative ERP 4% of peak 240°: 8 dB attenuation; relative ERP 15.8% of peak 250°: 6.75 dB attenuation; relative ERP 21.1% of peak 260°: 8.5 dB attenuation; relative ERP 14.1% of peak 270°: 14 dB attenuation; relative ERP 4% 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°: 16 dB attenuation; relative ERP 2.5% of peak 330°: 12 dB attenuation; relative ERP 6.3% of peak 340°: 10 dB attenuation; relative ERP 10% 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): 60° at 0 dB attenuation.

Deepest restriction(s): 280°, 290°, 300°, 310° at 20 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 1 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 3.25 dB attenuation; relative ERP 47.3% of peak 10°: 3 dB attenuation; relative ERP 50.1% of peak 20°: 2 dB attenuation; relative ERP 63.1% of peak 30°: 0.8 dB attenuation; relative ERP 83.2% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 0 dB attenuation; relative ERP 100% of peak 60°: 0.8 dB attenuation; relative ERP 83.2% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 2.5 dB attenuation; relative ERP 56.2% of peak 90°: 2.8 dB attenuation; relative ERP 52.5% of peak 100°: 2.6 dB attenuation; relative ERP 55% of peak 110°: 2 dB attenuation; relative ERP 63.1% of peak 120°: 1.5 dB attenuation; relative ERP 70.8% of peak 130°: 1 dB attenuation; relative ERP 79.4% of peak 140°: 0.5 dB attenuation; relative ERP 89.1% of peak 150°: 0.25 dB attenuation; relative ERP 94.4% of peak 160°: 0.8 dB attenuation; relative ERP 83.2% of peak 170°: 1.75 dB attenuation; relative ERP 66.8% of peak 180°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 5 dB attenuation; relative ERP 31.6% of peak 200°: 6.4 dB attenuation; relative ERP 22.9% of peak 210°: 6.4 dB attenuation; relative ERP 22.9% of peak 220°: 6.25 dB attenuation; relative ERP 23.7% of peak 230°: 6.25 dB attenuation; relative ERP 23.7% of peak 240°: 6.25 dB attenuation; relative ERP 23.7% of peak 250°: 7 dB attenuation; relative ERP 20% of peak 260°: 8 dB attenuation; relative ERP 15.8% of peak 270°: 9 dB attenuation; relative ERP 12.6% of peak 280°: 10.5 dB attenuation; relative ERP 8.9% of peak 290°: 11 dB attenuation; relative ERP 7.9% of peak 300°: 10.5 dB attenuation; relative ERP 8.9% of peak 310°: 9 dB attenuation; relative ERP 12.6% of peak 320°: 7 dB attenuation; relative ERP 20% of peak 330°: 5.8 dB attenuation; relative ERP 26.3% of peak 340°: 4.5 dB attenuation; relative ERP 35.5% of peak 350°: 3.5 dB attenuation; relative ERP 44.7% 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): 40°, 50° at 0 dB attenuation.

Deepest restriction(s): 290° at 11 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 1 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0 dB attenuation; relative ERP 100% of peak 10°: 0 dB attenuation; relative ERP 100% of peak 20°: 0 dB attenuation; relative ERP 100% 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°: 0 dB attenuation; relative ERP 100% of peak 70°: 0 dB attenuation; relative ERP 100% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 0 dB attenuation; relative ERP 100% 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 dB attenuation; relative ERP 100% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 0 dB attenuation; relative ERP 100% of peak 170°: 0 dB attenuation; relative ERP 100% of peak 180°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 3 dB attenuation; relative ERP 50.1% of peak 200°: 3 dB attenuation; relative ERP 50.1% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 3 dB attenuation; relative ERP 50.1% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 3 dB attenuation; relative ERP 50.1% of peak 250°: 3 dB attenuation; relative ERP 50.1% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 3 dB attenuation; relative ERP 50.1% of peak 280°: 3 dB attenuation; relative ERP 50.1% of peak 290°: 3 dB attenuation; relative ERP 50.1% of peak 300°: 3 dB attenuation; relative ERP 50.1% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 3 dB attenuation; relative ERP 50.1% of peak 330°: 0 dB attenuation; relative ERP 100% of peak 340°: 0 dB attenuation; relative ERP 100% 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): 0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320° at 3 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 1 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0 dB attenuation; relative ERP 100% of peak 10°: 0 dB attenuation; relative ERP 100% of peak 20°: 0 dB attenuation; relative ERP 100% 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°: 0 dB attenuation; relative ERP 100% of peak 70°: 0 dB attenuation; relative ERP 100% of peak 80°: 0 dB attenuation; relative ERP 100% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 0 dB attenuation; relative ERP 100% 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 dB attenuation; relative ERP 100% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 0 dB attenuation; relative ERP 100% of peak 170°: 0 dB attenuation; relative ERP 100% of peak 180°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 3 dB attenuation; relative ERP 50.1% of peak 200°: 3 dB attenuation; relative ERP 50.1% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 3 dB attenuation; relative ERP 50.1% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 3 dB attenuation; relative ERP 50.1% of peak 250°: 3 dB attenuation; relative ERP 50.1% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 3 dB attenuation; relative ERP 50.1% of peak 280°: 3 dB attenuation; relative ERP 50.1% of peak 290°: 3 dB attenuation; relative ERP 50.1% of peak 300°: 3 dB attenuation; relative ERP 50.1% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 3 dB attenuation; relative ERP 50.1% of peak 330°: 0 dB attenuation; relative ERP 100% of peak 340°: 0 dB attenuation; relative ERP 100% 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): 0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320° at 3 dB attenuation.

Parameters

Date 03/11/2005
Station U105
Area Belfast
Site Black Mountain
Licence AL000295
mb21 Black Mountain
MCA map Open Ofcom MCA map
Frequency 105.8
NGR IJ27927277
RDS PS __U105__
RDS PI C583
Switched PI
TP/TA Y
TMC
Lat 54.586989
Long -6.022076
Site Ht 301
In-Use Aerial Ht 190
In-UseERP/HP 920 W
In-Use ERP/VP 1 kW
Max Dir 70
Licensed ERP/HP 1 kW
Licensed ERP/VP 1 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°
75.5542.51012.54.566.256.477.59111410.5768.5181486.758.514202020201612108

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°
3.25320.8000.822.52.82.621.510.50.250.81.75356.46.46.256.256.2578910.51110.5975.84.53.5

Licensed 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°
000000000000000000333333333333333000

Licensed 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°
000000000000000000333333333333333000