Headless Cross GSC - Ofcom TX Visualiser

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Headless Cross GSC

Redditch · BBC Hereford and Worcester (FM) · 104.4 MHz

Antenna pattern

In-use vertical pattern

ERP field: In-Use ERP/VP = 100 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 3 dB attenuation; relative ERP 50.1% of peak 10°: 4 dB attenuation; relative ERP 39.8% of peak 20°: 5 dB attenuation; relative ERP 31.6% of peak 30°: 5 dB attenuation; relative ERP 31.6% of peak 40°: 6 dB attenuation; relative ERP 25.1% of peak 50°: 7 dB attenuation; relative ERP 20% of peak 60°: 7 dB attenuation; relative ERP 20% of peak 70°: 6 dB attenuation; relative ERP 25.1% of peak 80°: 5 dB attenuation; relative ERP 31.6% of peak 90°: 4 dB attenuation; relative ERP 39.8% of peak 100°: 3 dB attenuation; relative ERP 50.1% of peak 110°: 2 dB attenuation; relative ERP 63.1% of peak 120°: 1 dB attenuation; relative ERP 79.4% of peak 130°: 1 dB attenuation; relative ERP 79.4% of peak 140°: 0 dB attenuation; relative ERP 100% of peak 150°: 0 dB attenuation; relative ERP 100% of peak 160°: 1 dB attenuation; relative ERP 79.4% of peak 170°: 2 dB attenuation; relative ERP 63.1% of peak 180°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 4 dB attenuation; relative ERP 39.8% of peak 200°: 5 dB attenuation; relative ERP 31.6% of peak 210°: 5 dB attenuation; relative ERP 31.6% of peak 220°: 6 dB attenuation; relative ERP 25.1% of peak 230°: 7 dB attenuation; relative ERP 20% of peak 240°: 7 dB attenuation; relative ERP 20% 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°: 2 dB attenuation; relative ERP 63.1% of peak 300°: 1 dB attenuation; relative ERP 79.4% of peak 310°: 1 dB attenuation; relative ERP 79.4% of peak 320°: 0 dB attenuation; relative ERP 100% of peak 330°: 1 dB attenuation; relative ERP 79.4% of peak 340°: 1 dB attenuation; relative ERP 79.4% 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): 140°, 150°, 320° at 0 dB attenuation.

Deepest restriction(s): 50°, 60°, 230°, 240° at 7 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 100 W

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°: 6 dB attenuation; relative ERP 25.1% of peak 30°: 6 dB attenuation; relative ERP 25.1% of peak 40°: 6 dB attenuation; relative ERP 25.1% of peak 50°: 0 dB attenuation; relative ERP 100% 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°: 6 dB attenuation; relative ERP 25.1% of peak 250°: 6 dB attenuation; relative ERP 25.1% of peak 260°: 6 dB attenuation; relative ERP 25.1% of peak 270°: 2 dB attenuation; relative ERP 63.1% of peak 280°: 2 dB attenuation; relative ERP 63.1% of peak 290°: 2 dB attenuation; relative ERP 63.1% 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°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 20°, 30°, 40°, 240°, 250°, 260° at 6 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 100 W

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°: 6 dB attenuation; relative ERP 25.1% of peak 30°: 6 dB attenuation; relative ERP 25.1% of peak 40°: 6 dB attenuation; relative ERP 25.1% of peak 50°: 0 dB attenuation; relative ERP 100% 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°: 6 dB attenuation; relative ERP 25.1% of peak 250°: 6 dB attenuation; relative ERP 25.1% of peak 260°: 6 dB attenuation; relative ERP 25.1% of peak 270°: 2 dB attenuation; relative ERP 63.1% of peak 280°: 2 dB attenuation; relative ERP 63.1% of peak 290°: 2 dB attenuation; relative ERP 63.1% 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°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 20°, 30°, 40°, 240°, 250°, 260° at 6 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Hereford and Worcester (FM)
Area Redditch
Site Headless Cross GSC
Licence BBC000022
Frequency 104.4
NGR SP03726627
RDS PS BBC_H&W
RDS PI C511
Switched PI
TP/TA
TMC
Lat 52.294548
Long -1.946877
Site Ht 162
In-Use Aerial Ht 35
In-UseERP/HP 0 W
In-Use ERP/VP 100 W
Max Dir 140
Licensed ERP/HP 100 W
Licensed ERP/VP 100 W

Pattern values

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°
345567765432110012345567765432110112

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°
006660000000000000000000666222000000

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°
006660000000000000000000666222000000