Hammerpot - Ofcom TX Visualiser

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Hammerpot

Littlehampton · Greatest Hits Radio · 102.3 MHz

Historic names: Spirit FM (licence AL100971)

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 200 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 16 dB attenuation; relative ERP 2.5% of peak 10°: 13 dB attenuation; relative ERP 5% of peak 20°: 10 dB attenuation; relative ERP 10% of peak 30°: 10 dB attenuation; relative ERP 10% of peak 40°: 11 dB attenuation; relative ERP 7.9% of peak 50°: 13 dB attenuation; relative ERP 5% of peak 60°: 16 dB attenuation; relative ERP 2.5% of peak 70°: 16 dB attenuation; relative ERP 2.5% of peak 80°: 16 dB attenuation; relative ERP 2.5% of peak 90°: 17 dB attenuation; relative ERP 2% of peak 100°: 17 dB attenuation; relative ERP 2% of peak 110°: 16 dB attenuation; relative ERP 2.5% of peak 120°: 16 dB attenuation; relative ERP 2.5% of peak 130°: 20 dB attenuation; relative ERP 1% of peak 140°: 20 dB attenuation; relative ERP 1% of peak 150°: 13 dB attenuation; relative ERP 5% of peak 160°: 7.5 dB attenuation; relative ERP 17.8% of peak 170°: 5 dB attenuation; relative ERP 31.6% of peak 180°: 3 dB attenuation; relative ERP 50.1% of peak 190°: 1.5 dB attenuation; relative ERP 70.8% of peak 200°: 1 dB attenuation; relative ERP 79.4% of peak 210°: 0.5 dB attenuation; relative ERP 89.1% of peak 220°: 0 dB attenuation; relative ERP 100% of peak 230°: 0.5 dB attenuation; relative ERP 89.1% 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°: 4.5 dB attenuation; relative ERP 35.5% of peak 280°: 7 dB attenuation; relative ERP 20% of peak 290°: 11 dB attenuation; relative ERP 7.9% of peak 300°: 20 dB attenuation; relative ERP 1% of peak 310°: 20 dB attenuation; relative ERP 1% 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): 220° at 0 dB attenuation.

Deepest restriction(s): 130°, 140°, 300°, 310°, 320°, 330°, 340°, 350° at 20 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 250 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 17 dB attenuation; relative ERP 2% of peak 10°: 17 dB attenuation; relative ERP 2% of peak 20°: 17 dB attenuation; relative ERP 2% of peak 30°: 16 dB attenuation; relative ERP 2.5% of peak 40°: 16 dB attenuation; relative ERP 2.5% 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°: 9 dB attenuation; relative ERP 12.6% of peak 90°: 8 dB attenuation; relative ERP 15.8% of peak 100°: 8 dB attenuation; relative ERP 15.8% of peak 110°: 8 dB attenuation; relative ERP 15.8% of peak 120°: 8 dB attenuation; relative ERP 15.8% of peak 130°: 6 dB attenuation; relative ERP 25.1% of peak 140°: 4 dB attenuation; relative ERP 39.8% of peak 150°: 2 dB attenuation; relative ERP 63.1% of peak 160°: 1 dB attenuation; relative ERP 79.4% of peak 170°: 1 dB attenuation; relative ERP 79.4% of peak 180°: 0.5 dB attenuation; relative ERP 89.1% 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°: 0.5 dB attenuation; relative ERP 89.1% of peak 240°: 1 dB attenuation; relative ERP 79.4% of peak 250°: 1 dB attenuation; relative ERP 79.4% of peak 260°: 1.5 dB attenuation; relative ERP 70.8% of peak 270°: 2 dB attenuation; relative ERP 63.1% of peak 280°: 2.5 dB attenuation; relative ERP 56.2% of peak 290°: 3 dB attenuation; relative ERP 50.1% of peak 300°: 3 dB attenuation; relative ERP 50.1% of peak 310°: 3.5 dB attenuation; relative ERP 44.7% of peak 320°: 4.5 dB attenuation; relative ERP 35.5% of peak 330°: 6 dB attenuation; relative ERP 25.1% of peak 340°: 10 dB attenuation; relative ERP 10% of peak 350°: 14 dB attenuation; relative ERP 4% 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): 190°, 200°, 210°, 220° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20° at 17 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 250 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 10 dB attenuation; relative ERP 10% of peak 10°: 10 dB attenuation; relative ERP 10% of peak 20°: 10 dB attenuation; relative ERP 10% of peak 30°: 10 dB attenuation; relative ERP 10% of peak 40°: 10 dB attenuation; relative ERP 10% of peak 50°: 10 dB attenuation; relative ERP 10% of peak 60°: 10 dB attenuation; relative ERP 10% of peak 70°: 10 dB attenuation; relative ERP 10% of peak 80°: 10 dB attenuation; relative ERP 10% of peak 90°: 10 dB attenuation; relative ERP 10% of peak 100°: 10 dB attenuation; relative ERP 10% 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°: 0 dB attenuation; relative ERP 100% of peak 340°: 10 dB attenuation; relative ERP 10% of peak 350°: 10 dB attenuation; relative ERP 10% 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): 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 340°, 350° at 10 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 250 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 10 dB attenuation; relative ERP 10% of peak 10°: 10 dB attenuation; relative ERP 10% of peak 20°: 10 dB attenuation; relative ERP 10% of peak 30°: 10 dB attenuation; relative ERP 10% of peak 40°: 10 dB attenuation; relative ERP 10% of peak 50°: 10 dB attenuation; relative ERP 10% of peak 60°: 10 dB attenuation; relative ERP 10% of peak 70°: 10 dB attenuation; relative ERP 10% of peak 80°: 10 dB attenuation; relative ERP 10% of peak 90°: 10 dB attenuation; relative ERP 10% of peak 100°: 10 dB attenuation; relative ERP 10% 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°: 0 dB attenuation; relative ERP 100% of peak 340°: 10 dB attenuation; relative ERP 10% of peak 350°: 10 dB attenuation; relative ERP 10% 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): 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290°, 300°, 310°, 320°, 330° at 0 dB attenuation.

Deepest restriction(s): 0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 340°, 350° at 10 dB attenuation.

Parameters

Date 08/10/1997
Station Greatest Hits Radio
Area Littlehampton
Site Hammerpot
Licence AL100971
mb21 Hammerpot
MCA map Open Ofcom MCA map
Frequency 102.3
NGR TQ07230558
RDS PS GRT_HITS
RDS PI C3AF
Switched PI C4AF
TP/TA Y
TMC Y
Lat 50.839823
Long -0.47846
Site Ht 40
In-Use Aerial Ht 21
In-UseERP/HP 200 W
In-Use ERP/VP 250 W
Max Dir 220
Licensed ERP/HP 250 W
Licensed ERP/VP 250 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°
161310101113161616171716162020137.5531.510.500.50.5124.5711202020202020

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°
171717161614121098888642110.500000.5111.522.5333.54.561014

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°
1010101010101010101010000000000000000000000001010

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°
1010101010101010101010000000000000000000000001010