Amersham - Beacon School - Ofcom TX Visualiser

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Amersham - Beacon School

Amersham and Chesham · Chiltern Voice · 107.4 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 50 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°: 0 dB attenuation; relative ERP 100% of peak 30°: 0 dB attenuation; relative ERP 100% of peak 40°: 0.5 dB attenuation; relative ERP 89.1% of peak 50°: 1 dB attenuation; relative ERP 79.4% of peak 60°: 1.5 dB attenuation; relative ERP 70.8% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 3 dB attenuation; relative ERP 50.1% of peak 90°: 3.5 dB attenuation; relative ERP 44.7% of peak 100°: 5 dB attenuation; relative ERP 31.6% of peak 110°: 8 dB attenuation; relative ERP 15.8% of peak 120°: 10 dB attenuation; relative ERP 10% of peak 130°: 12 dB attenuation; relative ERP 6.3% of peak 140°: 14 dB attenuation; relative ERP 4% of peak 150°: 16 dB attenuation; relative ERP 2.5% of peak 160°: 20 dB attenuation; relative ERP 1% 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°: 16 dB attenuation; relative ERP 2.5% of peak 210°: 14 dB attenuation; relative ERP 4% of peak 220°: 12 dB attenuation; relative ERP 6.3% of peak 230°: 10 dB attenuation; relative ERP 10% of peak 240°: 8 dB attenuation; relative ERP 15.8% of peak 250°: 5 dB attenuation; relative ERP 31.6% of peak 260°: 3.5 dB attenuation; relative ERP 44.7% of peak 270°: 3 dB attenuation; relative ERP 50.1% of peak 280°: 2 dB attenuation; relative ERP 63.1% of peak 290°: 1.5 dB attenuation; relative ERP 70.8% of peak 300°: 1 dB attenuation; relative ERP 79.4% of peak 310°: 0.5 dB attenuation; relative ERP 89.1% 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°, 20°, 30°, 320°, 330°, 340°, 350° at 0 dB attenuation.

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

In-use vertical pattern

ERP field: In-Use ERP/VP = 50 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 15 dB attenuation; relative ERP 3.2% of peak 10°: 15 dB attenuation; relative ERP 3.2% of peak 20°: 16 dB attenuation; relative ERP 2.5% of peak 30°: 17 dB attenuation; relative ERP 2% of peak 40°: 18 dB attenuation; relative ERP 1.6% of peak 50°: 20 dB attenuation; relative ERP 1% of peak 60°: 23 dB attenuation; relative ERP 0.5% of peak 70°: 26 dB attenuation; relative ERP 0.3% of peak 80°: 30 dB attenuation; relative ERP 0.1% of peak 90°: 30 dB attenuation; relative ERP 0.1% of peak 100°: 25 dB attenuation; relative ERP 0.3% of peak 110°: 20 dB attenuation; relative ERP 1% of peak 120°: 14 dB attenuation; relative ERP 4% of peak 130°: 7 dB attenuation; relative ERP 20% of peak 140°: 5.5 dB attenuation; relative ERP 28.2% of peak 150°: 3.5 dB attenuation; relative ERP 44.7% of peak 160°: 2 dB attenuation; relative ERP 63.1% of peak 170°: 0.7 dB attenuation; relative ERP 85.1% of peak 180°: 0 dB attenuation; relative ERP 100% of peak 190°: 0.5 dB attenuation; relative ERP 89.1% of peak 200°: 2 dB attenuation; relative ERP 63.1% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 5 dB attenuation; relative ERP 31.6% of peak 230°: 7 dB attenuation; relative ERP 20% of peak 240°: 14 dB attenuation; relative ERP 4% of peak 250°: 20 dB attenuation; relative ERP 1% of peak 260°: 25 dB attenuation; relative ERP 0.3% of peak 270°: 30 dB attenuation; relative ERP 0.1% of peak 280°: 30 dB attenuation; relative ERP 0.1% of peak 290°: 26 dB attenuation; relative ERP 0.3% of peak 300°: 23 dB attenuation; relative ERP 0.5% of peak 310°: 20 dB attenuation; relative ERP 1% of peak 320°: 17 dB attenuation; relative ERP 2% of peak 330°: 16 dB attenuation; relative ERP 2.5% of peak 340°: 15 dB attenuation; relative ERP 3.2% of peak 350°: 15 dB attenuation; relative ERP 3.2% 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): 180° at 0 dB attenuation.

Deepest restriction(s): 80°, 90°, 270°, 280° at 30 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 50 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°: 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°: 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°: 6 dB attenuation; relative ERP 25.1% of peak 120°: 6 dB attenuation; relative ERP 25.1% of peak 130°: 6 dB attenuation; relative ERP 25.1% of peak 140°: 6 dB attenuation; relative ERP 25.1% 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°: 6 dB attenuation; relative ERP 25.1% of peak 240°: 6 dB attenuation; relative ERP 25.1% of peak 250°: 6 dB attenuation; relative ERP 25.1% 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°: 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°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 110°, 120°, 130°, 140°, 230°, 240°, 250° at 6 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 50 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°: 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°: 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°: 6 dB attenuation; relative ERP 25.1% of peak 120°: 6 dB attenuation; relative ERP 25.1% of peak 130°: 6 dB attenuation; relative ERP 25.1% of peak 140°: 6 dB attenuation; relative ERP 25.1% 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°: 6 dB attenuation; relative ERP 25.1% of peak 240°: 6 dB attenuation; relative ERP 25.1% of peak 250°: 6 dB attenuation; relative ERP 25.1% 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°: 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°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 110°, 120°, 130°, 140°, 230°, 240°, 250° at 6 dB attenuation.

Parameters

Date 26/10/2021
Station Chiltern Voice
Area Amersham and Chesham
Site Amersham - Beacon School
Licence CR102875
mb21 Amersham (Beacon School)
Frequency 107.4
NGR SU95849967
RDS PS CHILTERN
RDS PI C89B
Switched PI
TP/TA N
TMC N
Lat 51.687617
Long -0.614982
Site Ht 162
In-Use Aerial Ht 12
In-UseERP/HP 50 W
In-Use ERP/VP 50 W
Max Dir
Licensed ERP/HP 50 W
Licensed ERP/VP 50 W

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°
00000.511.5233.558101214162022222016141210853.5321.510.50000

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°
1515161718202326303025201475.53.520.700.52357142025303026232017161515

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°
000000000006666000000006660000000000

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°
000000000006666000000006660000000000