Four Marks WT - Ofcom TX Visualiser

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Four Marks WT

Four Marks · Greatest Hits Radio · 101.6 MHz

Historic names: The Breeze, Kestrel FM, Delta FM, Delta Radio (licence AL102702)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 25 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°: 20 dB attenuation; relative ERP 1% of peak 60°: 20 dB attenuation; relative ERP 1% of peak 70°: 20 dB attenuation; relative ERP 1% of peak 80°: 20 dB attenuation; relative ERP 1% of peak 90°: 20 dB attenuation; relative ERP 1% of peak 100°: 20 dB attenuation; relative ERP 1% of peak 110°: 20 dB attenuation; relative ERP 1% of peak 120°: 20 dB attenuation; relative ERP 1% of peak 130°: 20 dB attenuation; relative ERP 1% of peak 140°: 20 dB attenuation; relative ERP 1% of peak 150°: 14 dB attenuation; relative ERP 4% of peak 160°: 10 dB attenuation; relative ERP 10% of peak 170°: 6 dB attenuation; relative ERP 25.1% of peak 180°: 5 dB attenuation; relative ERP 31.6% of peak 190°: 3 dB attenuation; relative ERP 50.1% of peak 200°: 2 dB attenuation; relative ERP 63.1% of peak 210°: 1 dB attenuation; relative ERP 79.4% of peak 220°: 0.5 dB attenuation; relative ERP 89.1% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 0 dB attenuation; relative ERP 100% of peak 250°: 0.5 dB attenuation; relative ERP 89.1% of peak 260°: 1 dB attenuation; relative ERP 79.4% of peak 270°: 3 dB attenuation; relative ERP 50.1% of peak 280°: 5 dB attenuation; relative ERP 31.6% of peak 290°: 7 dB attenuation; relative ERP 20% of peak 300°: 11 dB attenuation; relative ERP 7.9% 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): 230°, 240° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, 320°, 330°, 340°, 350° at 20 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°: 14 dB attenuation; relative ERP 4% of peak 10°: 17 dB attenuation; relative ERP 2% 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°: 20 dB attenuation; relative ERP 1% of peak 80°: 20 dB attenuation; relative ERP 1% of peak 90°: 20 dB attenuation; relative ERP 1% of peak 100°: 16 dB attenuation; relative ERP 2.5% of peak 110°: 11 dB attenuation; relative ERP 7.9% of peak 120°: 8 dB attenuation; relative ERP 15.8% of peak 130°: 7 dB attenuation; relative ERP 20% of peak 140°: 4 dB attenuation; relative ERP 39.8% of peak 150°: 3 dB attenuation; relative ERP 50.1% of peak 160°: 2 dB attenuation; relative ERP 63.1% of peak 170°: 1.5 dB attenuation; relative ERP 70.8% of peak 180°: 1 dB attenuation; relative ERP 79.4% of peak 190°: 0.5 dB attenuation; relative ERP 89.1% 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°: 0.5 dB attenuation; relative ERP 89.1% of peak 270°: 0.5 dB attenuation; relative ERP 89.1% of peak 280°: 1 dB attenuation; relative ERP 79.4% of peak 290°: 1.4 dB attenuation; relative ERP 72.4% of peak 300°: 2 dB attenuation; relative ERP 63.1% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 4 dB attenuation; relative ERP 39.8% of peak 330°: 6 dB attenuation; relative ERP 25.1% of peak 340°: 10 dB attenuation; relative ERP 10% of peak 350°: 12 dB attenuation; relative ERP 6.3% 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): 200°, 210°, 220°, 230°, 240°, 250° at 0 dB attenuation.

Deepest restriction(s): 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90° at 20 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°: 5 dB attenuation; relative ERP 31.6% of peak 90°: 5 dB attenuation; relative ERP 31.6% of peak 100°: 5 dB attenuation; relative ERP 31.6% of peak 110°: 5 dB attenuation; relative ERP 31.6% of peak 120°: 5 dB attenuation; relative ERP 31.6% 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°: 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°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 80°, 90°, 100°, 110°, 120° at 5 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°: 5 dB attenuation; relative ERP 31.6% of peak 90°: 5 dB attenuation; relative ERP 31.6% of peak 100°: 5 dB attenuation; relative ERP 31.6% of peak 110°: 5 dB attenuation; relative ERP 31.6% of peak 120°: 5 dB attenuation; relative ERP 31.6% 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°: 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°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 80°, 90°, 100°, 110°, 120° at 5 dB attenuation.

Parameters

Date 27/07/2016
Station Greatest Hits Radio
Area Four Marks
Site Four Marks WT
Licence AL102702
mb21 Medstead (manual override)
MCA map Open Ofcom MCA map
Frequency 101.6
NGR SU67273603
RDS PS GRT_HITS
RDS PI C3BA
Switched PI CABA
TP/TA Y
TMC
Lat 51.119617
Long -1.040246
Site Ht 220
In-Use Aerial Ht 22
In-UseERP/HP 25 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°
2020202020202020202020202020201410653210.5000.51357111420202020

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°
141720202020202020201611874321.510.50000000.50.511.423461012

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°
000000005555500000000000000000000000

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°
000000005555500000000000000000000000