Wenvoe - Ofcom TX Visualiser

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Wenvoe

Cardiff · Capital (temporary antenna) · 103.2 MHz

Historic names: Red Dragon FM, Red Dragon Radio, CBC, Cardiff Broadcasting Company (licence AL000020)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 848.9 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 1 dB attenuation; relative ERP 79.4% of peak 10°: 0.2 dB attenuation; relative ERP 95.5% of peak 20°: 0 dB attenuation; relative ERP 100% of peak 30°: 1 dB attenuation; relative ERP 79.4% of peak 40°: 3 dB attenuation; relative ERP 50.1% of peak 50°: 5 dB attenuation; relative ERP 31.6% of peak 60°: 6 dB attenuation; relative ERP 25.1% of peak 70°: 7.5 dB attenuation; relative ERP 17.8% of peak 80°: 13 dB attenuation; relative ERP 5% of peak 90°: 22 dB attenuation; relative ERP 0.6% of peak 100°: 15 dB attenuation; relative ERP 3.2% of peak 110°: 15 dB attenuation; relative ERP 3.2% of peak 120°: 20 dB attenuation; relative ERP 1% of peak 130°: 18 dB attenuation; relative ERP 1.6% of peak 140°: 17 dB attenuation; relative ERP 2% of peak 150°: 20 dB attenuation; relative ERP 1% of peak 160°: 20 dB attenuation; relative ERP 1% of peak 170°: 18 dB attenuation; relative ERP 1.6% of peak 180°: 20 dB attenuation; relative ERP 1% of peak 190°: 22 dB attenuation; relative ERP 0.6% of peak 200°: 15 dB attenuation; relative ERP 3.2% of peak 210°: 13 dB attenuation; relative ERP 5% of peak 220°: 14.5 dB attenuation; relative ERP 3.5% of peak 230°: 12 dB attenuation; relative ERP 6.3% of peak 240°: 9.5 dB attenuation; relative ERP 11.2% of peak 250°: 11 dB attenuation; relative ERP 7.9% of peak 260°: 18 dB attenuation; relative ERP 1.6% of peak 270°: 20 dB attenuation; relative ERP 1% of peak 280°: 15 dB attenuation; relative ERP 3.2% of peak 290°: 9 dB attenuation; relative ERP 12.6% of peak 300°: 5 dB attenuation; relative ERP 31.6% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 2 dB attenuation; relative ERP 63.1% of peak 330°: 2 dB attenuation; relative ERP 63.1% of peak 340°: 2 dB attenuation; relative ERP 63.1% of peak 350°: 1.5 dB attenuation; relative ERP 70.8% 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): 20° at 0 dB attenuation.

Deepest restriction(s): 90°, 190° at 22 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 1.04 kW

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°: 1.5 dB attenuation; relative ERP 70.8% of peak 20°: 0.5 dB attenuation; relative ERP 89.1% of peak 30°: 0 dB attenuation; relative ERP 100% of peak 40°: 0 dB attenuation; relative ERP 100% of peak 50°: 0.5 dB attenuation; relative ERP 89.1% of peak 60°: 1 dB attenuation; relative ERP 79.4% of peak 70°: 1.5 dB attenuation; relative ERP 70.8% of peak 80°: 2 dB attenuation; relative ERP 63.1% of peak 90°: 2.5 dB attenuation; relative ERP 56.2% of peak 100°: 4.7 dB attenuation; relative ERP 33.9% of peak 110°: 7 dB attenuation; relative ERP 20% of peak 120°: 9.5 dB attenuation; relative ERP 11.2% of peak 130°: 11.5 dB attenuation; relative ERP 7.1% of peak 140°: 14 dB attenuation; relative ERP 4% of peak 150°: 22 dB attenuation; relative ERP 0.6% of peak 160°: 22 dB attenuation; relative ERP 0.6% of peak 170°: 22 dB attenuation; relative ERP 0.6% of peak 180°: 22 dB attenuation; relative ERP 0.6% of peak 190°: 20 dB attenuation; relative ERP 1% of peak 200°: 18 dB attenuation; relative ERP 1.6% of peak 210°: 19 dB attenuation; relative ERP 1.3% of peak 220°: 18 dB attenuation; relative ERP 1.6% of peak 230°: 11 dB attenuation; relative ERP 7.9% of peak 240°: 8 dB attenuation; relative ERP 15.8% of peak 250°: 6 dB attenuation; relative ERP 25.1% of peak 260°: 5 dB attenuation; relative ERP 31.6% of peak 270°: 4 dB attenuation; relative ERP 39.8% of peak 280°: 3 dB attenuation; relative ERP 50.1% of peak 290°: 1 dB attenuation; relative ERP 79.4% of peak 300°: 0.5 dB attenuation; relative ERP 89.1% of peak 310°: 0 dB attenuation; relative ERP 100% of peak 320°: 0.5 dB attenuation; relative ERP 89.1% of peak 330°: 1 dB attenuation; relative ERP 79.4% of peak 340°: 1.5 dB attenuation; relative ERP 70.8% 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°, 310° at 0 dB attenuation.

Deepest restriction(s): 150°, 160°, 170°, 180° at 22 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 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°: 1 dB attenuation; relative ERP 79.4% of peak 20°: 10 dB attenuation; relative ERP 10% of peak 30°: 0.2 dB attenuation; relative ERP 95.5% of peak 40°: 20 dB attenuation; relative ERP 1% of peak 50°: 0 dB attenuation; relative ERP 100% of peak 60°: 30 dB attenuation; relative ERP 0.1% of peak 70°: 1 dB attenuation; relative ERP 79.4% of peak 80°: 50 dB attenuation; relative ERP 0% of peak 90°: 5 dB attenuation; relative ERP 31.6% of peak 100°: 60 dB attenuation; relative ERP 0% of peak 110°: 6 dB attenuation; relative ERP 25.1% of peak 120°: 70 dB attenuation; relative ERP 0% of peak 130°: 7.5 dB attenuation; relative ERP 17.8% of peak 140°: 80 dB attenuation; relative ERP 0% of peak 150°: 13 dB attenuation; relative ERP 5% of peak 160°: 90 dB attenuation; relative ERP 0% of peak 170°: 22 dB attenuation; relative ERP 0.6% of peak 180°: 100 dB attenuation; relative ERP 0% of peak 190°: 15 dB attenuation; relative ERP 3.2% of peak 200°: 110 dB attenuation; relative ERP 0% of peak 210°: 15 dB attenuation; relative ERP 3.2% of peak 220°: 120 dB attenuation; relative ERP 0% of peak 230°: 20 dB attenuation; relative ERP 1% of peak 240°: 130 dB attenuation; relative ERP 0% of peak 250°: 18 dB attenuation; relative ERP 1.6% of peak 260°: 140 dB attenuation; relative ERP 0% of peak 270°: 17 dB attenuation; relative ERP 2% of peak 280°: 150 dB attenuation; relative ERP 0% of peak 290°: 20 dB attenuation; relative ERP 1% of peak 300°: 160 dB attenuation; relative ERP 0% of peak 310°: 20 dB attenuation; relative ERP 1% of peak 320°: 170 dB attenuation; relative ERP 0% of peak 330°: 18 dB attenuation; relative ERP 1.6% of peak 340°: 190 dB attenuation; relative ERP 0% of peak 350°: 22 dB attenuation; relative ERP 0.6% 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): 0°, 50° at 0 dB attenuation.

Deepest restriction(s): 340° at 190 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 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°: 2 dB attenuation; relative ERP 63.1% of peak 20°: 10 dB attenuation; relative ERP 10% of peak 30°: 1.5 dB attenuation; relative ERP 70.8% of peak 40°: 20 dB attenuation; relative ERP 1% of peak 50°: 0.5 dB attenuation; relative ERP 89.1% of peak 60°: 30 dB attenuation; relative ERP 0.1% of peak 70°: 0 dB attenuation; relative ERP 100% of peak 80°: 40 dB attenuation; relative ERP 0% of peak 90°: 0 dB attenuation; relative ERP 100% of peak 100°: 90 dB attenuation; relative ERP 0% of peak 110°: 2.5 dB attenuation; relative ERP 56.2% of peak 120°: 100 dB attenuation; relative ERP 0% of peak 130°: 4.7 dB attenuation; relative ERP 33.9% of peak 140°: 110 dB attenuation; relative ERP 0% of peak 150°: 7 dB attenuation; relative ERP 20% of peak 160°: 120 dB attenuation; relative ERP 0% of peak 170°: 9.5 dB attenuation; relative ERP 11.2% of peak 180°: 130 dB attenuation; relative ERP 0% of peak 190°: 11.5 dB attenuation; relative ERP 7.1% of peak 200°: 140 dB attenuation; relative ERP 0% of peak 210°: 14 dB attenuation; relative ERP 4% of peak 220°: 150 dB attenuation; relative ERP 0% of peak 230°: 22 dB attenuation; relative ERP 0.6% of peak 240°: 180 dB attenuation; relative ERP 0% of peak 250°: 22 dB attenuation; relative ERP 0.6% of peak 260°: 200 dB attenuation; relative ERP 0% of peak 270°: 18 dB attenuation; relative ERP 1.6% of peak 280°: 210 dB attenuation; relative ERP 0% of peak 290°: 19 dB attenuation; relative ERP 1.3% of peak 300°: 220 dB attenuation; relative ERP 0% of peak 310°: 18 dB attenuation; relative ERP 1.6% of peak 320°: 230 dB attenuation; relative ERP 0% of peak 330°: 11 dB attenuation; relative ERP 7.9% of peak 340°: 240 dB attenuation; relative ERP 0% of peak 350°: 8 dB attenuation; relative ERP 15.8% 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°, 70°, 90° at 0 dB attenuation.

Deepest restriction(s): 340° at 240 dB attenuation.

Parameters

Date 10/03/2026
Station Capital (temporary antenna)
Area Cardiff
Site Wenvoe
Licence AL000020
mb21 Wenvoe
MCA map Open Ofcom MCA map
Frequency 103.2
NGR ST11067415
RDS PS Capital
RDS PI C37A
Switched PI C57A
TP/TA N
TMC N
Lat 51.459313
Long -3.281558
Site Ht 129
In-Use Aerial Ht 145
In-UseERP/HP 848.9 W
In-Use ERP/VP 1.04 kW
Max Dir
Licensed ERP/HP 1 kW
Licensed ERP/VP 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°
10.2013567.5132215152018172020182022151314.5129.5111820159532221.5

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°
21.50.5000.511.522.54.779.511.5142222222220181918118654310.500.511.52

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°
01100.2200301505606707.580139022100151101512020130181401715020160201701819022

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°
02101.5200.5300400902.51004.711071209.513011.5140141502218022200182101922018230112408