Fort Southwick - Ofcom TX Visualiser

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Fort Southwick

Portsmouth · Nation Easy Radio · 107.4 MHz

Historic names: Easy Radio, Hits Radio, The Breeze, Quay Radio, 107.4 The Quay, Victory 107.4, Victory FM, Radio Victory (licence AL100764)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 100 W

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°: 14 dB attenuation; relative ERP 4% of peak 60°: 12 dB attenuation; relative ERP 6.3% of peak 70°: 9 dB attenuation; relative ERP 12.6% of peak 80°: 6 dB attenuation; relative ERP 25.1% of peak 90°: 4 dB attenuation; relative ERP 39.8% of peak 100°: 2 dB attenuation; relative ERP 63.1% of peak 110°: 1 dB attenuation; relative ERP 79.4% of peak 120°: 0.5 dB attenuation; relative ERP 89.1% of peak 130°: 0 dB attenuation; relative ERP 100% of peak 140°: 1 dB attenuation; relative ERP 79.4% of peak 150°: 3 dB attenuation; relative ERP 50.1% of peak 160°: 5 dB attenuation; relative ERP 31.6% of peak 170°: 4 dB attenuation; relative ERP 39.8% 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°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 1 dB attenuation; relative ERP 79.4% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 0.5 dB attenuation; relative ERP 89.1% of peak 250°: 1 dB attenuation; relative ERP 79.4% of peak 260°: 2 dB attenuation; relative ERP 63.1% of peak 270°: 4 dB attenuation; relative ERP 39.8% of peak 280°: 6 dB attenuation; relative ERP 25.1% of peak 290°: 9 dB attenuation; relative ERP 12.6% of peak 300°: 12 dB attenuation; relative ERP 6.3% 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): 130°, 230° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 40°, 320°, 330°, 340°, 350° at 20 dB attenuation.

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°: 4.5 dB attenuation; relative ERP 35.5% of peak 10°: 4.5 dB attenuation; relative ERP 35.5% of peak 20°: 4.5 dB attenuation; relative ERP 35.5% of peak 30°: 4.25 dB attenuation; relative ERP 37.6% of peak 40°: 3.5 dB attenuation; relative ERP 44.7% of peak 50°: 3 dB attenuation; relative ERP 50.1% of peak 60°: 2.5 dB attenuation; relative ERP 56.2% of peak 70°: 1.75 dB attenuation; relative ERP 66.8% of peak 80°: 1 dB attenuation; relative ERP 79.4% of peak 90°: 0.5 dB attenuation; relative ERP 89.1% 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°: 0.5 dB attenuation; relative ERP 89.1% of peak 140°: 0.75 dB attenuation; relative ERP 84.1% of peak 150°: 1.25 dB attenuation; relative ERP 75% of peak 160°: 1.5 dB attenuation; relative ERP 70.8% of peak 170°: 1.75 dB attenuation; relative ERP 66.8% of peak 180°: 1.75 dB attenuation; relative ERP 66.8% of peak 190°: 1.75 dB attenuation; relative ERP 66.8% of peak 200°: 1.5 dB attenuation; relative ERP 70.8% of peak 210°: 1.25 dB attenuation; relative ERP 75% of peak 220°: 0.75 dB attenuation; relative ERP 84.1% of peak 230°: 0.5 dB attenuation; relative ERP 89.1% 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°: 0.5 dB attenuation; relative ERP 89.1% of peak 280°: 1 dB attenuation; relative ERP 79.4% of peak 290°: 1.75 dB attenuation; relative ERP 66.8% of peak 300°: 2.5 dB attenuation; relative ERP 56.2% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 3.5 dB attenuation; relative ERP 44.7% of peak 330°: 4.25 dB attenuation; relative ERP 37.6% of peak 340°: 4.5 dB attenuation; relative ERP 35.5% of peak 350°: 4.5 dB attenuation; relative ERP 35.5% 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): 100°, 110°, 120°, 240°, 250°, 260° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 340°, 350° at 4.5 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°: 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°: 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°: 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°: 0 dB attenuation; relative ERP 100% of peak 330°: 3 dB attenuation; relative ERP 50.1% of peak 340°: 3 dB attenuation; relative ERP 50.1% 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°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 350° at 0 dB attenuation.

Deepest restriction(s): 330°, 340° at 3 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°: 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°: 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°: 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°: 0 dB attenuation; relative ERP 100% of peak 330°: 3 dB attenuation; relative ERP 50.1% of peak 340°: 3 dB attenuation; relative ERP 50.1% 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°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 350° at 0 dB attenuation.

Deepest restriction(s): 330°, 340° at 3 dB attenuation.

Parameters

Date 24/07/2002
Station Nation Easy Radio
Area Portsmouth
Site Fort Southwick
Licence AL100764
mb21 Fort Southwick
MCA map Open Ofcom MCA map
Frequency 107.4
NGR SU62670697
RDS PS Easy
RDS PI C340
Switched PI C540
TP/TA Y
TMC
Lat 50.858854
Long -1.110965
Site Ht 124
In-Use Aerial Ht 18
In-UseERP/HP 100 W
In-Use ERP/VP 100 W
Max Dir 180
Licensed ERP/HP 100 W
Licensed ERP/VP 100 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°
20202020201412964210.5013543453100.512469121420202020

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°
4.54.54.54.253.532.51.7510.50000.50.751.251.51.751.751.751.51.250.750.50000.511.752.533.54.254.54.5

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°
000000000000000000000000000000000330

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°
000000000000000000000000000000000330