Haverfordwest - Ofcom TX Visualiser

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Haverfordwest

Pembrokeshire · BBC Radio 3 · 91.5 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 9.772 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 12.3 dB attenuation; relative ERP 5.9% of peak 10°: 11.1 dB attenuation; relative ERP 7.8% of peak 20°: 10.9 dB attenuation; relative ERP 8.1% of peak 30°: 11.9 dB attenuation; relative ERP 6.5% of peak 40°: 11.3 dB attenuation; relative ERP 7.4% of peak 50°: 10.2 dB attenuation; relative ERP 9.5% of peak 60°: 10.8 dB attenuation; relative ERP 8.3% of peak 70°: 13.2 dB attenuation; relative ERP 4.8% of peak 80°: 11.9 dB attenuation; relative ERP 6.5% of peak 90°: 8.4 dB attenuation; relative ERP 14.5% of peak 100°: 5.7 dB attenuation; relative ERP 26.9% of peak 110°: 4.1 dB attenuation; relative ERP 38.9% of peak 120°: 2.5 dB attenuation; relative ERP 56.2% of peak 130°: 1 dB attenuation; relative ERP 79.4% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 0.1 dB attenuation; relative ERP 97.7% of peak 160°: 1.2 dB attenuation; relative ERP 75.9% of peak 170°: 2.5 dB attenuation; relative ERP 56.2% of peak 180°: 2.5 dB attenuation; relative ERP 56.2% of peak 190°: 1.8 dB attenuation; relative ERP 66.1% of peak 200°: 2 dB attenuation; relative ERP 63.1% of peak 210°: 2.8 dB attenuation; relative ERP 52.5% of peak 220°: 2.2 dB attenuation; relative ERP 60.3% of peak 230°: 0.8 dB attenuation; relative ERP 83.2% of peak 240°: 0 dB attenuation; relative ERP 100% of peak 250°: 0.4 dB attenuation; relative ERP 91.2% of peak 260°: 1.6 dB attenuation; relative ERP 69.2% of peak 270°: 3 dB attenuation; relative ERP 50.1% of peak 280°: 4.5 dB attenuation; relative ERP 35.5% of peak 290°: 6.4 dB attenuation; relative ERP 22.9% of peak 300°: 9.4 dB attenuation; relative ERP 11.5% of peak 310°: 13.4 dB attenuation; relative ERP 4.6% of peak 320°: 13.5 dB attenuation; relative ERP 4.5% of peak 330°: 10.9 dB attenuation; relative ERP 8.1% of peak 340°: 11 dB attenuation; relative ERP 7.9% of peak 350°: 12.8 dB attenuation; relative ERP 5.2% 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): 140°, 240° at 0 dB attenuation.

Deepest restriction(s): 320° at 13.5 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 9.55 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 10.2 dB attenuation; relative ERP 9.5% of peak 10°: 8.3 dB attenuation; relative ERP 14.8% of peak 20°: 8.5 dB attenuation; relative ERP 14.1% of peak 30°: 10.7 dB attenuation; relative ERP 8.5% of peak 40°: 12.5 dB attenuation; relative ERP 5.6% of peak 50°: 11.9 dB attenuation; relative ERP 6.5% of peak 60°: 14.9 dB attenuation; relative ERP 3.2% of peak 70°: 18.2 dB attenuation; relative ERP 1.5% of peak 80°: 10.9 dB attenuation; relative ERP 8.1% of peak 90°: 6.4 dB attenuation; relative ERP 22.9% of peak 100°: 3.9 dB attenuation; relative ERP 40.7% of peak 110°: 2.8 dB attenuation; relative ERP 52.5% of peak 120°: 2.1 dB attenuation; relative ERP 61.7% of peak 130°: 0.9 dB attenuation; relative ERP 81.3% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 0.4 dB attenuation; relative ERP 91.2% of peak 160°: 1.9 dB attenuation; relative ERP 64.6% of peak 170°: 3.2 dB attenuation; relative ERP 47.9% of peak 180°: 1.8 dB attenuation; relative ERP 66.1% of peak 190°: 0.1 dB attenuation; relative ERP 97.7% of peak 200°: 0 dB attenuation; relative ERP 100% of peak 210°: 1.6 dB attenuation; relative ERP 69.2% of peak 220°: 3 dB attenuation; relative ERP 50.1% of peak 230°: 1.5 dB attenuation; relative ERP 70.8% of peak 240°: 0.1 dB attenuation; relative ERP 97.7% of peak 250°: 0.3 dB attenuation; relative ERP 93.3% of peak 260°: 1.1 dB attenuation; relative ERP 77.6% of peak 270°: 2 dB attenuation; relative ERP 63.1% of peak 280°: 2.5 dB attenuation; relative ERP 56.2% of peak 290°: 3.7 dB attenuation; relative ERP 42.7% of peak 300°: 6.7 dB attenuation; relative ERP 21.4% of peak 310°: 14.6 dB attenuation; relative ERP 3.5% of peak 320°: 18 dB attenuation; relative ERP 1.6% of peak 330°: 12.2 dB attenuation; relative ERP 6% of peak 340°: 11.9 dB attenuation; relative ERP 6.5% of peak 350°: 11.3 dB attenuation; relative ERP 7.4% 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): 140°, 200° at 0 dB attenuation.

Deepest restriction(s): 70° at 18.2 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 10 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°: 6 dB attenuation; relative ERP 25.1% of peak 20°: 6 dB attenuation; relative ERP 25.1% of peak 30°: 10 dB attenuation; relative ERP 10% of peak 40°: 10 dB attenuation; relative ERP 10% of peak 50°: 10 dB attenuation; relative ERP 10% of peak 60°: 10 dB attenuation; relative ERP 10% of peak 70°: 6 dB attenuation; relative ERP 25.1% 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°: 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°: 6 dB attenuation; relative ERP 25.1% of peak 320°: 6 dB attenuation; relative ERP 25.1% of peak 330°: 6 dB attenuation; relative ERP 25.1% 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): 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300° at 0 dB attenuation.

Deepest restriction(s): 30°, 40°, 50°, 60° at 10 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 10 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°: 6 dB attenuation; relative ERP 25.1% of peak 20°: 6 dB attenuation; relative ERP 25.1% of peak 30°: 10 dB attenuation; relative ERP 10% of peak 40°: 10 dB attenuation; relative ERP 10% of peak 50°: 10 dB attenuation; relative ERP 10% of peak 60°: 10 dB attenuation; relative ERP 10% of peak 70°: 6 dB attenuation; relative ERP 25.1% 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°: 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°: 6 dB attenuation; relative ERP 25.1% of peak 320°: 6 dB attenuation; relative ERP 25.1% of peak 330°: 6 dB attenuation; relative ERP 25.1% 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): 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300° at 0 dB attenuation.

Deepest restriction(s): 30°, 40°, 50°, 60° at 10 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio 3
Area Pembrokeshire
Site Haverfordwest
Licence BBC000003
mb21 Haverfordwest
Frequency 91.5
NGR SN02882618
RDS PS _BBC_R3_
RDS PI C203
Switched PI
TP/TA
TMC
Lat 51.899206
Long -4.866531
Site Ht 186
In-Use Aerial Ht 131
In-UseERP/HP 9.772 kW
In-Use ERP/VP 9.55 kW
Max Dir
Licensed ERP/HP 10 kW
Licensed ERP/VP 10 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°
12.311.110.911.911.310.210.813.211.98.45.74.12.5100.11.22.52.51.822.82.20.800.41.634.56.49.413.413.510.91112.8

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°
10.28.38.510.712.511.914.918.210.96.43.92.82.10.900.41.93.21.80.101.631.50.10.31.122.53.76.714.61812.211.911.3

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°
6661010101060000000000000000000000066666

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°
6661010101060000000000000000000000066666