Hemdean - Ofcom TX Visualiser

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Hemdean

Caversham · BBC Radio 2 · 89.8 MHz

Antenna pattern

In-use vertical pattern

ERP field: In-Use ERP/VP = 1 kW

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 20 dB attenuation; relative ERP 1% of peak 10°: 20 dB attenuation; relative ERP 1% of peak 20°: 20 dB attenuation; relative ERP 1% of peak 30°: 20 dB attenuation; relative ERP 1% of peak 40°: 20 dB attenuation; relative ERP 1% of peak 50°: 20 dB attenuation; relative ERP 1% of peak 60°: 20 dB attenuation; relative ERP 1% of peak 70°: 16 dB attenuation; relative ERP 2.5% of peak 80°: 12 dB attenuation; relative ERP 6.3% of peak 90°: 8 dB attenuation; relative ERP 15.8% of peak 100°: 6 dB attenuation; relative ERP 25.1% of peak 110°: 4 dB attenuation; relative ERP 39.8% of peak 120°: 2 dB attenuation; relative ERP 63.1% 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°: 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°: 2 dB attenuation; relative ERP 63.1% of peak 310°: 14 dB attenuation; relative ERP 4% of peak 320°: 20 dB attenuation; relative ERP 1% of peak 330°: 20 dB attenuation; relative ERP 1% of peak 340°: 20 dB attenuation; relative ERP 1% of peak 350°: 20 dB attenuation; relative ERP 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°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 40°, 50°, 60°, 320°, 330°, 340°, 350° at 20 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°: 8 dB attenuation; relative ERP 15.8% of peak 10°: 10 dB attenuation; relative ERP 10% of peak 20°: 12 dB attenuation; relative ERP 6.3% of peak 30°: 14 dB attenuation; relative ERP 4% of peak 40°: 14 dB attenuation; relative ERP 4% of peak 50°: 14 dB attenuation; relative ERP 4% of peak 60°: 12 dB attenuation; relative ERP 6.3% of peak 70°: 10 dB attenuation; relative ERP 10% of peak 80°: 8 dB attenuation; relative ERP 15.8% of peak 90°: 6 dB attenuation; relative ERP 25.1% of peak 100°: 4 dB attenuation; relative ERP 39.8% of peak 110°: 2 dB attenuation; relative ERP 63.1% of peak 120°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 330°: 2 dB attenuation; relative ERP 63.1% of peak 340°: 4 dB attenuation; relative ERP 39.8% 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): 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310° at 0 dB attenuation.

Deepest restriction(s): 30°, 40°, 50° at 14 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°: 8 dB attenuation; relative ERP 15.8% of peak 10°: 10 dB attenuation; relative ERP 10% of peak 20°: 12 dB attenuation; relative ERP 6.3% of peak 30°: 14 dB attenuation; relative ERP 4% of peak 40°: 14 dB attenuation; relative ERP 4% of peak 50°: 14 dB attenuation; relative ERP 4% of peak 60°: 12 dB attenuation; relative ERP 6.3% of peak 70°: 10 dB attenuation; relative ERP 10% of peak 80°: 8 dB attenuation; relative ERP 15.8% of peak 90°: 6 dB attenuation; relative ERP 25.1% of peak 100°: 4 dB attenuation; relative ERP 39.8% of peak 110°: 2 dB attenuation; relative ERP 63.1% of peak 120°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 330°: 2 dB attenuation; relative ERP 63.1% of peak 340°: 4 dB attenuation; relative ERP 39.8% 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): 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310° at 0 dB attenuation.

Deepest restriction(s): 30°, 40°, 50° at 14 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio 2
Area Caversham
Site Hemdean
Licence BBC000002
mb21 Hemdean
Frequency 89.8
NGR SU71047630
RDS PS _BBC_R2_
RDS PI C202
Switched PI
TP/TA
TMC
Lat 51.481204
Long -0.978387
Site Ht 69
In-Use Aerial Ht 30
In-UseERP/HP 0 W
In-Use ERP/VP 1 kW
Max Dir
Licensed ERP/HP 1 kW
Licensed ERP/VP 1 kW

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°
20202020202020161286421000000000000000021420202020

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°
8101214141412108642100000000000000000001246

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°
8101214141412108642100000000000000000001246