Letchworth - Briar Patch Lane - Ofcom TX Visualiser

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Letchworth - Briar Patch Lane

Hitchin and Letchworth · Heart Hertfordshire · 106.9 MHz

Historic names: BOB fm, Hertbeat FM (licence AL102793)

Antenna pattern

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°: 6.5 dB attenuation; relative ERP 22.4% of peak 10°: 5 dB attenuation; relative ERP 31.6% of peak 20°: 3 dB attenuation; relative ERP 50.1% of peak 30°: 1.5 dB attenuation; relative ERP 70.8% of peak 40°: 0.5 dB attenuation; relative ERP 89.1% of peak 50°: 0 dB attenuation; relative ERP 100% of peak 60°: 0.5 dB attenuation; relative ERP 89.1% of peak 70°: 1.5 dB attenuation; relative ERP 70.8% of peak 80°: 3 dB attenuation; relative ERP 50.1% of peak 90°: 5 dB attenuation; relative ERP 31.6% of peak 100°: 6.5 dB attenuation; relative ERP 22.4% of peak 110°: 7.5 dB attenuation; relative ERP 17.8% of peak 120°: 7.5 dB attenuation; relative ERP 17.8% of peak 130°: 7.5 dB attenuation; relative ERP 17.8% of peak 140°: 7.5 dB attenuation; relative ERP 17.8% of peak 150°: 7.5 dB attenuation; relative ERP 17.8% of peak 160°: 7.5 dB attenuation; relative ERP 17.8% of peak 170°: 7.5 dB attenuation; relative ERP 17.8% of peak 180°: 6 dB attenuation; relative ERP 25.1% of peak 190°: 5 dB attenuation; relative ERP 31.6% of peak 200°: 3 dB attenuation; relative ERP 50.1% of peak 210°: 1.5 dB attenuation; relative ERP 70.8% of peak 220°: 0.5 dB attenuation; relative ERP 89.1% of peak 230°: 0 dB attenuation; relative ERP 100% of peak 240°: 0.5 dB attenuation; relative ERP 89.1% of peak 250°: 1.5 dB attenuation; relative ERP 70.8% of peak 260°: 3 dB attenuation; relative ERP 50.1% of peak 270°: 5 dB attenuation; relative ERP 31.6% of peak 280°: 6 dB attenuation; relative ERP 25.1% of peak 290°: 7.5 dB attenuation; relative ERP 17.8% of peak 300°: 7.5 dB attenuation; relative ERP 17.8% of peak 310°: 7.5 dB attenuation; relative ERP 17.8% of peak 320°: 7.5 dB attenuation; relative ERP 17.8% of peak 330°: 7.5 dB attenuation; relative ERP 17.8% of peak 340°: 7.5 dB attenuation; relative ERP 17.8% of peak 350°: 7.5 dB attenuation; relative ERP 17.8% 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): 50°, 230° at 0 dB attenuation.

Deepest restriction(s): 110°, 120°, 130°, 140°, 150°, 160°, 170°, 290°, 300°, 310°, 320°, 330°, 340°, 350° at 7.5 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°: 2 dB attenuation; relative ERP 63.1% of peak 10°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 90°: 2 dB attenuation; relative ERP 63.1% of peak 100°: 2 dB attenuation; relative ERP 63.1% of peak 110°: 3 dB attenuation; relative ERP 50.1% of peak 120°: 4 dB attenuation; relative ERP 39.8% of peak 130°: 5 dB attenuation; relative ERP 31.6% of peak 140°: 5 dB attenuation; relative ERP 31.6% of peak 150°: 4 dB attenuation; relative ERP 39.8% of peak 160°: 3 dB attenuation; relative ERP 50.1% of peak 170°: 2 dB attenuation; relative ERP 63.1% of peak 180°: 2 dB attenuation; relative ERP 63.1% of peak 190°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 270°: 2 dB attenuation; relative ERP 63.1% of peak 280°: 2 dB attenuation; relative ERP 63.1% of peak 290°: 3 dB attenuation; relative ERP 50.1% of peak 300°: 4 dB attenuation; relative ERP 39.8% of peak 310°: 5 dB attenuation; relative ERP 31.6% of peak 320°: 5 dB attenuation; relative ERP 31.6% of peak 330°: 4 dB attenuation; relative ERP 39.8% of peak 340°: 3 dB attenuation; relative ERP 50.1% of peak 350°: 2 dB attenuation; relative ERP 63.1% 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): 20°, 30°, 40°, 50°, 60°, 70°, 200°, 210°, 220°, 230°, 240°, 250° at 0 dB attenuation.

Deepest restriction(s): 130°, 140°, 310°, 320° 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°: 2 dB attenuation; relative ERP 63.1% of peak 10°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 90°: 2 dB attenuation; relative ERP 63.1% of peak 100°: 2 dB attenuation; relative ERP 63.1% of peak 110°: 3 dB attenuation; relative ERP 50.1% of peak 120°: 4 dB attenuation; relative ERP 39.8% of peak 130°: 5 dB attenuation; relative ERP 31.6% of peak 140°: 5 dB attenuation; relative ERP 31.6% of peak 150°: 4 dB attenuation; relative ERP 39.8% of peak 160°: 3 dB attenuation; relative ERP 50.1% of peak 170°: 2 dB attenuation; relative ERP 63.1% of peak 180°: 2 dB attenuation; relative ERP 63.1% of peak 190°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 270°: 2 dB attenuation; relative ERP 63.1% of peak 280°: 2 dB attenuation; relative ERP 63.1% of peak 290°: 3 dB attenuation; relative ERP 50.1% of peak 300°: 4 dB attenuation; relative ERP 39.8% of peak 310°: 5 dB attenuation; relative ERP 31.6% of peak 320°: 5 dB attenuation; relative ERP 31.6% of peak 330°: 4 dB attenuation; relative ERP 39.8% of peak 340°: 3 dB attenuation; relative ERP 50.1% of peak 350°: 2 dB attenuation; relative ERP 63.1% 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): 20°, 30°, 40°, 50°, 60°, 70°, 200°, 210°, 220°, 230°, 240°, 250° at 0 dB attenuation.

Deepest restriction(s): 130°, 140°, 310°, 320° at 5 dB attenuation.

Parameters

Date 21/07/2008
Station Heart Hertfordshire
Area Hitchin and Letchworth
Site Letchworth - Briar Patch Lane
Licence AL102793
mb21 Letchworth (possible match)
MCA map Open Ofcom MCA map
Frequency 106.9
NGR TL20903138
RDS PS HEART_HT
RDS PI C360
Switched PI C760
TP/TA Y
TMC Y
Lat 51.967756
Long -0.241566
Site Ht 97
In-Use Aerial Ht 10
In-UseERP/HP 0 W
In-Use ERP/VP 50 W
Max Dir 50
Licensed ERP/HP 50 W
Licensed ERP/VP 50 W

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°
6.5531.50.500.51.5356.57.57.57.57.57.57.57.56531.50.500.51.53567.57.57.57.57.57.57.5

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°
210000001223455432210000001223455432

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°
210000001223455432210000001223455432