Foyle Hill - Ofcom TX Visualiser

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Foyle Hill

Londonderry · Q102.9 · 102.9 MHz

Historic names: Q102 (licence AL102686)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 800 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 2 dB attenuation; relative ERP 63.1% of peak 10°: 2 dB attenuation; relative ERP 63.1% 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°: 0 dB attenuation; relative ERP 100% of peak 70°: 1 dB attenuation; relative ERP 79.4% of peak 80°: 2 dB attenuation; relative ERP 63.1% of peak 90°: 2 dB attenuation; relative ERP 63.1% of peak 100°: 2 dB attenuation; relative ERP 63.1% of peak 110°: 2 dB attenuation; relative ERP 63.1% of peak 120°: 2 dB attenuation; relative ERP 63.1% of peak 130°: 2 dB attenuation; relative ERP 63.1% of peak 140°: 2 dB attenuation; relative ERP 63.1% of peak 150°: 2 dB attenuation; relative ERP 63.1% of peak 160°: 3 dB attenuation; relative ERP 50.1% of peak 170°: 3 dB attenuation; relative ERP 50.1% of peak 180°: 2 dB attenuation; relative ERP 63.1% of peak 190°: 2 dB attenuation; relative ERP 63.1% of peak 200°: 2 dB attenuation; relative ERP 63.1% of peak 210°: 2 dB attenuation; relative ERP 63.1% of peak 220°: 2 dB attenuation; relative ERP 63.1% of peak 230°: 2 dB attenuation; relative ERP 63.1% of peak 240°: 2 dB attenuation; relative ERP 63.1% 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°: 2.5 dB attenuation; relative ERP 56.2% of peak 340°: 2 dB attenuation; relative ERP 63.1% of peak 350°: 2 dB attenuation; relative ERP 63.1% 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): 30°, 40°, 50°, 60° at 0 dB attenuation.

Deepest restriction(s): 160°, 170°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320° at 3 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 5 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 8 dB attenuation; relative ERP 15.8% of peak 10°: 6 dB attenuation; relative ERP 25.1% of peak 20°: 4 dB attenuation; relative ERP 39.8% of peak 30°: 2.5 dB attenuation; relative ERP 56.2% of peak 40°: 1.5 dB attenuation; relative ERP 70.8% of peak 50°: 0.5 dB attenuation; relative ERP 89.1% 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°: 0.5 dB attenuation; relative ERP 89.1% of peak 110°: 0.5 dB attenuation; relative ERP 89.1% of peak 120°: 0.5 dB attenuation; relative ERP 89.1% of peak 130°: 0.5 dB attenuation; relative ERP 89.1% of peak 140°: 0.5 dB attenuation; relative ERP 89.1% of peak 150°: 0.5 dB attenuation; relative ERP 89.1% of peak 160°: 0.5 dB attenuation; relative ERP 89.1% of peak 170°: 0.5 dB attenuation; relative ERP 89.1% of peak 180°: 0.5 dB attenuation; relative ERP 89.1% of peak 190°: 0.5 dB attenuation; relative ERP 89.1% of peak 200°: 0.5 dB attenuation; relative ERP 89.1% of peak 210°: 0.5 dB attenuation; relative ERP 89.1% of peak 220°: 0.5 dB attenuation; relative ERP 89.1% of peak 230°: 1 dB attenuation; relative ERP 79.4% of peak 240°: 1.5 dB attenuation; relative ERP 70.8% of peak 250°: 2 dB attenuation; relative ERP 63.1% of peak 260°: 2.5 dB attenuation; relative ERP 56.2% of peak 270°: 4.2 dB attenuation; relative ERP 38% of peak 280°: 6 dB attenuation; relative ERP 25.1% of peak 290°: 8 dB attenuation; relative ERP 15.8% of peak 300°: 8.75 dB attenuation; relative ERP 13.3% of peak 310°: 9.5 dB attenuation; relative ERP 11.2% of peak 320°: 9.5 dB attenuation; relative ERP 11.2% of peak 330°: 10 dB attenuation; relative ERP 10% of peak 340°: 10 dB attenuation; relative ERP 10% of peak 350°: 9.5 dB attenuation; relative ERP 11.2% 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°, 70°, 80°, 90° at 0 dB attenuation.

Deepest restriction(s): 330°, 340° at 10 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 5 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 10 dB attenuation; relative ERP 10% of peak 10°: 10 dB attenuation; relative ERP 10% of peak 20°: 7 dB attenuation; relative ERP 20% of peak 30°: 7 dB attenuation; relative ERP 20% of peak 40°: 3 dB attenuation; relative ERP 50.1% of peak 50°: 3 dB attenuation; relative ERP 50.1% of peak 60°: 3 dB attenuation; relative ERP 50.1% of peak 70°: 3 dB attenuation; relative ERP 50.1% 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°: 0 dB attenuation; relative ERP 100% of peak 190°: 0 dB attenuation; relative ERP 100% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 0 dB attenuation; relative ERP 100% of peak 220°: 3 dB attenuation; relative ERP 50.1% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 7 dB attenuation; relative ERP 20% of peak 250°: 7 dB attenuation; relative ERP 20% of peak 260°: 10 dB attenuation; relative ERP 10% of peak 270°: 10 dB attenuation; relative ERP 10% of peak 280°: 10 dB attenuation; relative ERP 10% of peak 290°: 10 dB attenuation; relative ERP 10% of peak 300°: 10 dB attenuation; relative ERP 10% of peak 310°: 10 dB attenuation; relative ERP 10% of peak 320°: 10 dB attenuation; relative ERP 10% of peak 330°: 10 dB attenuation; relative ERP 10% of peak 340°: 10 dB attenuation; relative ERP 10% of peak 350°: 10 dB attenuation; relative ERP 10% 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): 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 10 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 5 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 10 dB attenuation; relative ERP 10% of peak 10°: 10 dB attenuation; relative ERP 10% of peak 20°: 7 dB attenuation; relative ERP 20% of peak 30°: 7 dB attenuation; relative ERP 20% of peak 40°: 3 dB attenuation; relative ERP 50.1% of peak 50°: 3 dB attenuation; relative ERP 50.1% of peak 60°: 3 dB attenuation; relative ERP 50.1% of peak 70°: 3 dB attenuation; relative ERP 50.1% 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°: 0 dB attenuation; relative ERP 100% of peak 190°: 0 dB attenuation; relative ERP 100% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 0 dB attenuation; relative ERP 100% of peak 220°: 3 dB attenuation; relative ERP 50.1% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 7 dB attenuation; relative ERP 20% of peak 250°: 7 dB attenuation; relative ERP 20% of peak 260°: 10 dB attenuation; relative ERP 10% of peak 270°: 10 dB attenuation; relative ERP 10% of peak 280°: 10 dB attenuation; relative ERP 10% of peak 290°: 10 dB attenuation; relative ERP 10% of peak 300°: 10 dB attenuation; relative ERP 10% of peak 310°: 10 dB attenuation; relative ERP 10% of peak 320°: 10 dB attenuation; relative ERP 10% of peak 330°: 10 dB attenuation; relative ERP 10% of peak 340°: 10 dB attenuation; relative ERP 10% of peak 350°: 10 dB attenuation; relative ERP 10% 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): 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 10 dB attenuation.

Parameters

Date 25/05/2021
Station Q102.9
Area Londonderry
Site Foyle Hill
Licence AL102686
mb21 Foyle Hill
MCA map Open Ofcom MCA map
Frequency 102.9
NGR IC39721641
RDS PS Q_Radio
RDS PI C4B6
Switched PI
TP/TA Y
TMC N
Lat 54.993579
Long -7.380227
Site Ht 183
In-Use Aerial Ht 30
In-UseERP/HP 800 W
In-Use ERP/VP 5 kW
Max Dir
Licensed ERP/HP 5 kW
Licensed ERP/VP 5 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°
2210000122222222332222222333333332.522

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°
8642.51.50.500000.50.50.50.50.50.50.50.50.50.50.50.50.511.522.54.2688.759.59.510109.5

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°
101077333300000000000000337710101010101010101010

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°
101077333300000000000000337710101010101010101010