Keelylang Hill B - Ofcom TX Visualiser

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Keelylang Hill B

Orkney · BBC Radio 1 · 98.9 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 20.5 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 6 dB attenuation; relative ERP 25.1% of peak 10°: 4 dB attenuation; relative ERP 39.8% of peak 20°: 2 dB attenuation; relative ERP 63.1% of peak 30°: 1 dB attenuation; relative ERP 79.4% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 1 dB attenuation; relative ERP 79.4% of peak 60°: 2 dB attenuation; relative ERP 63.1% of peak 70°: 4 dB attenuation; relative ERP 39.8% of peak 80°: 6 dB attenuation; relative ERP 25.1% of peak 90°: 6 dB attenuation; relative ERP 25.1% of peak 100°: 6 dB attenuation; relative ERP 25.1% of peak 110°: 7 dB attenuation; relative ERP 20% of peak 120°: 8 dB attenuation; relative ERP 15.8% of peak 130°: 8 dB attenuation; relative ERP 15.8% of peak 140°: 8 dB attenuation; relative ERP 15.8% of peak 150°: 7 dB attenuation; relative ERP 20% of peak 160°: 6 dB attenuation; relative ERP 25.1% of peak 170°: 6 dB attenuation; relative ERP 25.1% of peak 180°: 6 dB attenuation; relative ERP 25.1% of peak 190°: 4 dB attenuation; relative ERP 39.8% of peak 200°: 2 dB attenuation; relative ERP 63.1% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 1 dB attenuation; relative ERP 79.4% of peak 240°: 2 dB attenuation; relative ERP 63.1% of peak 250°: 4 dB attenuation; relative ERP 39.8% of peak 260°: 6 dB attenuation; relative ERP 25.1% of peak 270°: 6 dB attenuation; relative ERP 25.1% of peak 280°: 6 dB attenuation; relative ERP 25.1% of peak 290°: 7 dB attenuation; relative ERP 20% of peak 300°: 8 dB attenuation; relative ERP 15.8% of peak 310°: 8 dB attenuation; relative ERP 15.8% of peak 320°: 8 dB attenuation; relative ERP 15.8% of peak 330°: 7 dB attenuation; relative ERP 20% of peak 340°: 6 dB attenuation; relative ERP 25.1% of peak 350°: 6 dB attenuation; relative ERP 25.1% 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): 40°, 220° at 0 dB attenuation.

Deepest restriction(s): 120°, 130°, 140°, 300°, 310°, 320° at 8 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 16 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 6 dB attenuation; relative ERP 25.1% of peak 10°: 4 dB attenuation; relative ERP 39.8% of peak 20°: 2 dB attenuation; relative ERP 63.1% of peak 30°: 1 dB attenuation; relative ERP 79.4% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 1 dB attenuation; relative ERP 79.4% of peak 60°: 2 dB attenuation; relative ERP 63.1% of peak 70°: 4 dB attenuation; relative ERP 39.8% of peak 80°: 6 dB attenuation; relative ERP 25.1% of peak 90°: 6 dB attenuation; relative ERP 25.1% of peak 100°: 6 dB attenuation; relative ERP 25.1% of peak 110°: 7 dB attenuation; relative ERP 20% of peak 120°: 8 dB attenuation; relative ERP 15.8% of peak 130°: 8 dB attenuation; relative ERP 15.8% of peak 140°: 8 dB attenuation; relative ERP 15.8% of peak 150°: 7 dB attenuation; relative ERP 20% of peak 160°: 6 dB attenuation; relative ERP 25.1% of peak 170°: 6 dB attenuation; relative ERP 25.1% of peak 180°: 6 dB attenuation; relative ERP 25.1% of peak 190°: 4 dB attenuation; relative ERP 39.8% of peak 200°: 2 dB attenuation; relative ERP 63.1% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 1 dB attenuation; relative ERP 79.4% of peak 240°: 2 dB attenuation; relative ERP 63.1% of peak 250°: 4 dB attenuation; relative ERP 39.8% of peak 260°: 6 dB attenuation; relative ERP 25.1% of peak 270°: 6 dB attenuation; relative ERP 25.1% of peak 280°: 6 dB attenuation; relative ERP 25.1% of peak 290°: 7 dB attenuation; relative ERP 20% of peak 300°: 8 dB attenuation; relative ERP 15.8% of peak 310°: 8 dB attenuation; relative ERP 15.8% of peak 320°: 8 dB attenuation; relative ERP 15.8% of peak 330°: 7 dB attenuation; relative ERP 20% of peak 340°: 6 dB attenuation; relative ERP 25.1% of peak 350°: 6 dB attenuation; relative ERP 25.1% 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): 40°, 220° at 0 dB attenuation.

Deepest restriction(s): 120°, 130°, 140°, 300°, 310°, 320° at 8 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 25.1 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°: 1 dB attenuation; relative ERP 79.4% of peak 70°: 1 dB attenuation; relative ERP 79.4% of peak 80°: 1 dB attenuation; relative ERP 79.4% of peak 90°: 1 dB attenuation; relative ERP 79.4% of peak 100°: 1 dB attenuation; relative ERP 79.4% 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°: 0 dB attenuation; relative ERP 100% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 0 dB attenuation; relative ERP 100% of peak 250°: 0 dB attenuation; relative ERP 100% of peak 260°: 0 dB attenuation; relative ERP 100% of peak 270°: 0 dB attenuation; relative ERP 100% of peak 280°: 0 dB attenuation; relative ERP 100% of peak 290°: 0 dB attenuation; relative ERP 100% of peak 300°: 0 dB attenuation; relative ERP 100% of peak 310°: 0 dB attenuation; relative ERP 100% of peak 320°: 0 dB attenuation; relative ERP 100% 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°, 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° at 0 dB attenuation.

Deepest restriction(s): 60°, 70°, 80°, 90°, 100° at 1 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 25.1 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°: 1 dB attenuation; relative ERP 79.4% of peak 70°: 1 dB attenuation; relative ERP 79.4% of peak 80°: 1 dB attenuation; relative ERP 79.4% of peak 90°: 1 dB attenuation; relative ERP 79.4% of peak 100°: 1 dB attenuation; relative ERP 79.4% 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°: 0 dB attenuation; relative ERP 100% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 0 dB attenuation; relative ERP 100% of peak 250°: 0 dB attenuation; relative ERP 100% of peak 260°: 0 dB attenuation; relative ERP 100% of peak 270°: 0 dB attenuation; relative ERP 100% of peak 280°: 0 dB attenuation; relative ERP 100% of peak 290°: 0 dB attenuation; relative ERP 100% of peak 300°: 0 dB attenuation; relative ERP 100% of peak 310°: 0 dB attenuation; relative ERP 100% of peak 320°: 0 dB attenuation; relative ERP 100% 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°, 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° at 0 dB attenuation.

Deepest restriction(s): 60°, 70°, 80°, 90°, 100° at 1 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio 1
Area Orkney
Site Keelylang Hill B
Licence BBC000001
Frequency 98.9
NGR HY37781030
RDS PS Radio_1_
RDS PI C201
Switched PI
TP/TA
TMC
Lat 58.975314
Long -3.083944
Site Ht 220
In-Use Aerial Ht 36
In-UseERP/HP 20.5 kW
In-Use ERP/VP 16 kW
Max Dir
Licensed ERP/HP 25.1 kW
Licensed ERP/VP 25.1 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°
642101246667888766642101246667888766

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°
642101246667888766642101246667888766

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°
000000111110000000000000000000000000

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°
000000111110000000000000000000000000