Blaenplwyf - Ofcom TX Visualiser

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Blaenplwyf

Ceredigion · BBC Radio 4 (FM) · 104 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 125 kW

30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0.3 dB attenuation; relative ERP 93.3% of peak 10°: 0 dB attenuation; relative ERP 100% of peak 20°: 0.9 dB attenuation; relative ERP 81.3% of peak 30°: 3.1 dB attenuation; relative ERP 49% of peak 40°: 6.2 dB attenuation; relative ERP 24% of peak 50°: 7.4 dB attenuation; relative ERP 18.2% of peak 60°: 8.7 dB attenuation; relative ERP 13.5% of peak 70°: 10.5 dB attenuation; relative ERP 8.9% of peak 80°: 9.7 dB attenuation; relative ERP 10.7% of peak 90°: 7.2 dB attenuation; relative ERP 19.1% of peak 100°: 4.9 dB attenuation; relative ERP 32.4% of peak 110°: 5.1 dB attenuation; relative ERP 30.9% of peak 120°: 7 dB attenuation; relative ERP 20% of peak 130°: 9.8 dB attenuation; relative ERP 10.5% of peak 140°: 9.5 dB attenuation; relative ERP 11.2% of peak 150°: 8.4 dB attenuation; relative ERP 14.5% of peak 160°: 7 dB attenuation; relative ERP 20% of peak 170°: 4.8 dB attenuation; relative ERP 33.1% of peak 180°: 2.2 dB attenuation; relative ERP 60.3% of peak 190°: 0.9 dB attenuation; relative ERP 81.3% of peak 200°: 0.4 dB attenuation; relative ERP 91.2% of peak 210°: 0.7 dB attenuation; relative ERP 85.1% of peak 220°: 1.9 dB attenuation; relative ERP 64.6% of peak 230°: 3.6 dB attenuation; relative ERP 43.7% of peak 240°: 4.8 dB attenuation; relative ERP 33.1% of peak 250°: 5.8 dB attenuation; relative ERP 26.3% of peak 260°: 10.2 dB attenuation; relative ERP 9.5% of peak 270°: 19.4 dB attenuation; relative ERP 1.1% of peak 280°: 23 dB attenuation; relative ERP 0.5% of peak 290°: 19.1 dB attenuation; relative ERP 1.2% of peak 300°: 13 dB attenuation; relative ERP 5% of peak 310°: 6.7 dB attenuation; relative ERP 21.4% of peak 320°: 5.1 dB attenuation; relative ERP 30.9% of peak 330°: 4.9 dB attenuation; relative ERP 32.4% of peak 340°: 3.8 dB attenuation; relative ERP 41.7% of peak 350°: 1.9 dB attenuation; relative ERP 64.6% 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): 10° at 0 dB attenuation.

Deepest restriction(s): 280° at 23 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 125 kW

30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 0.2 dB attenuation; relative ERP 95.5% of peak 10°: 1 dB attenuation; relative ERP 79.4% of peak 20°: 2.2 dB attenuation; relative ERP 60.3% of peak 30°: 3.9 dB attenuation; relative ERP 40.7% of peak 40°: 4.3 dB attenuation; relative ERP 37.2% of peak 50°: 3.6 dB attenuation; relative ERP 43.7% of peak 60°: 4.4 dB attenuation; relative ERP 36.3% of peak 70°: 8.2 dB attenuation; relative ERP 15.1% of peak 80°: 13.2 dB attenuation; relative ERP 4.8% 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°: 5.6 dB attenuation; relative ERP 27.5% of peak 120°: 8.5 dB attenuation; relative ERP 14.1% of peak 130°: 10.1 dB attenuation; relative ERP 9.8% of peak 140°: 6.3 dB attenuation; relative ERP 23.4% of peak 150°: 4.3 dB attenuation; relative ERP 37.2% of peak 160°: 4.5 dB attenuation; relative ERP 35.5% of peak 170°: 6.2 dB attenuation; relative ERP 24% of peak 180°: 4.9 dB attenuation; relative ERP 32.4% of peak 190°: 2.2 dB attenuation; relative ERP 60.3% of peak 200°: 0.9 dB attenuation; relative ERP 81.3% of peak 210°: 0 dB attenuation; relative ERP 100% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 0.5 dB attenuation; relative ERP 89.1% of peak 240°: 1.3 dB attenuation; relative ERP 74.1% of peak 250°: 4.1 dB attenuation; relative ERP 38.9% of peak 260°: 8.3 dB attenuation; relative ERP 14.8% of peak 270°: 9.4 dB attenuation; relative ERP 11.5% of peak 280°: 7.1 dB attenuation; relative ERP 19.5% of peak 290°: 7.1 dB attenuation; relative ERP 19.5% of peak 300°: 14.3 dB attenuation; relative ERP 3.7% of peak 310°: 10.1 dB attenuation; relative ERP 9.8% of peak 320°: 4.2 dB attenuation; relative ERP 38% of peak 330°: 2.1 dB attenuation; relative ERP 61.7% of peak 340°: 1 dB attenuation; relative ERP 79.4% of peak 350°: 0.7 dB attenuation; relative ERP 85.1% 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): 210°, 220° at 0 dB attenuation.

Deepest restriction(s): 300° at 14.3 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 125 kW

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°: 2 dB attenuation; relative ERP 63.1% of peak 60°: 2 dB attenuation; relative ERP 63.1% of peak 70°: 5 dB attenuation; relative ERP 31.6% of peak 80°: 5 dB attenuation; relative ERP 31.6% of peak 90°: 5 dB attenuation; relative ERP 31.6% of peak 100°: 5 dB attenuation; relative ERP 31.6% of peak 110°: 5 dB attenuation; relative ERP 31.6% of peak 120°: 5 dB attenuation; relative ERP 31.6% of peak 130°: 5 dB attenuation; relative ERP 31.6% of peak 140°: 5 dB attenuation; relative ERP 31.6% 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°: 5 dB attenuation; relative ERP 31.6% of peak 270°: 5 dB attenuation; relative ERP 31.6% of peak 280°: 8 dB attenuation; relative ERP 15.8% of peak 290°: 8 dB attenuation; relative ERP 15.8% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 6 dB attenuation; relative ERP 25.1% of peak 320°: 6 dB attenuation; relative ERP 25.1% 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°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 280°, 290° at 8 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 125 kW

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°: 2 dB attenuation; relative ERP 63.1% of peak 60°: 2 dB attenuation; relative ERP 63.1% of peak 70°: 5 dB attenuation; relative ERP 31.6% of peak 80°: 5 dB attenuation; relative ERP 31.6% of peak 90°: 5 dB attenuation; relative ERP 31.6% of peak 100°: 5 dB attenuation; relative ERP 31.6% of peak 110°: 5 dB attenuation; relative ERP 31.6% of peak 120°: 5 dB attenuation; relative ERP 31.6% of peak 130°: 5 dB attenuation; relative ERP 31.6% of peak 140°: 5 dB attenuation; relative ERP 31.6% 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°: 5 dB attenuation; relative ERP 31.6% of peak 270°: 5 dB attenuation; relative ERP 31.6% of peak 280°: 8 dB attenuation; relative ERP 15.8% of peak 290°: 8 dB attenuation; relative ERP 15.8% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 6 dB attenuation; relative ERP 25.1% of peak 320°: 6 dB attenuation; relative ERP 25.1% 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°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 280°, 290° at 8 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio 4 (FM)
Area Ceredigion
Site Blaenplwyf
Licence BBC000004
mb21 Blaenplwyf
Frequency 104
NGR SN56927570
RDS PS _BBC_R4_
RDS PI C204
Switched PI
TP/TA
TMC
Lat 52.360626
Long -4.102586
Site Ht 174
In-Use Aerial Ht 126
In-UseERP/HP 125 kW
In-Use ERP/VP 125 kW
Max Dir
Licensed ERP/HP 125 kW
Licensed ERP/VP 125 kW

Pattern values

In-use horizontal pattern

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°
0.300.93.16.27.48.710.59.77.24.95.179.89.58.474.82.20.90.40.71.93.64.85.810.219.42319.1136.75.14.93.81.9

In-use vertical pattern

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°
0.212.23.94.33.64.48.213.28.45.75.68.510.16.34.34.56.24.92.20.9000.51.34.18.39.47.17.114.310.14.22.110.7

Licensed horizontal pattern

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°
000002255555555000000000005588666000

Licensed vertical pattern

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°
000002255555555000000000005588666000