Llanddona - Ofcom TX Visualiser

← Back to FM/VHF search · Map this site name · Offline SVG map

Llanddona

Anglesey · BBC Radio 3 · 92 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 10.5 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 14 dB attenuation; relative ERP 4% of peak 10°: 14 dB attenuation; relative ERP 4% of peak 20°: 14 dB attenuation; relative ERP 4% of peak 30°: 14 dB attenuation; relative ERP 4% of peak 40°: 12 dB attenuation; relative ERP 6.3% of peak 50°: 8 dB attenuation; relative ERP 15.8% of peak 60°: 5 dB attenuation; relative ERP 31.6% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 180°: 1 dB attenuation; relative ERP 79.4% of peak 190°: 0 dB attenuation; relative ERP 100% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 320°: 2 dB attenuation; relative ERP 63.1% of peak 330°: 4 dB attenuation; relative ERP 39.8% of peak 340°: 8 dB attenuation; relative ERP 15.8% of peak 350°: 12 dB attenuation; relative ERP 6.3% 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): 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 190°, 200°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30° at 14 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 10.5 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 14 dB attenuation; relative ERP 4% of peak 10°: 14 dB attenuation; relative ERP 4% of peak 20°: 14 dB attenuation; relative ERP 4% of peak 30°: 14 dB attenuation; relative ERP 4% of peak 40°: 12 dB attenuation; relative ERP 6.3% of peak 50°: 8 dB attenuation; relative ERP 15.8% of peak 60°: 5 dB attenuation; relative ERP 31.6% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 180°: 1 dB attenuation; relative ERP 79.4% of peak 190°: 0 dB attenuation; relative ERP 100% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 320°: 2 dB attenuation; relative ERP 63.1% of peak 330°: 4 dB attenuation; relative ERP 39.8% of peak 340°: 8 dB attenuation; relative ERP 15.8% of peak 350°: 12 dB attenuation; relative ERP 6.3% 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): 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 190°, 200°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30° at 14 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 25 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 11 dB attenuation; relative ERP 7.9% of peak 10°: 11 dB attenuation; relative ERP 7.9% of peak 20°: 11 dB attenuation; relative ERP 7.9% of peak 30°: 11 dB attenuation; relative ERP 7.9% of peak 40°: 11 dB attenuation; relative ERP 7.9% of peak 50°: 11 dB attenuation; relative ERP 7.9% 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°: 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°: 11 dB attenuation; relative ERP 7.9% of peak 350°: 11 dB attenuation; relative ERP 7.9% 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°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 40°, 50°, 340°, 350° at 11 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 25 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 11 dB attenuation; relative ERP 7.9% of peak 10°: 11 dB attenuation; relative ERP 7.9% of peak 20°: 11 dB attenuation; relative ERP 7.9% of peak 30°: 11 dB attenuation; relative ERP 7.9% of peak 40°: 11 dB attenuation; relative ERP 7.9% of peak 50°: 11 dB attenuation; relative ERP 7.9% 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°: 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°: 11 dB attenuation; relative ERP 7.9% of peak 350°: 11 dB attenuation; relative ERP 7.9% 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°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 40°, 50°, 340°, 350° at 11 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio 3
Area Anglesey
Site Llanddona
Licence BBC000003
mb21 Llanddona
Frequency 92
NGR SH58298101
RDS PS _BBC_R3_
RDS PI C203
Switched PI
TP/TA
TMC
Lat 53.307018
Long -4.128251
Site Ht 146
In-Use Aerial Ht 91
In-UseERP/HP 10.5 kW
In-Use ERP/VP 10.5 kW
Max Dir
Licensed ERP/HP 25 kW
Licensed ERP/VP 25 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°
141414141285210000000011001100000000124812

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°
141414141285210000000011001100000000124812

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°
11111111111100000000000000000000000000001111

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°
11111111111100000000000000000000000000001111