Rosneath - Ofcom TX Visualiser

← Back to FM/VHF search · Map this site name · Offline SVG map

Rosneath

Helensburgh · BBC Radio 1 · 98.8 MHz

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°: 3 dB attenuation; relative ERP 50.1% of peak 10°: 2 dB attenuation; relative ERP 63.1% of peak 20°: 2 dB attenuation; relative ERP 63.1% of peak 30°: 0 dB attenuation; relative ERP 100% of peak 40°: 2 dB attenuation; relative ERP 63.1% of peak 50°: 3 dB attenuation; relative ERP 50.1% of peak 60°: 3 dB attenuation; relative ERP 50.1% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 2 dB attenuation; relative ERP 63.1% of peak 90°: 3 dB attenuation; relative ERP 50.1% of peak 100°: 4 dB attenuation; relative ERP 39.8% of peak 110°: 7 dB attenuation; relative ERP 20% of peak 120°: 10 dB attenuation; relative ERP 10% of peak 130°: 14 dB attenuation; relative ERP 4% of peak 140°: 14 dB attenuation; relative ERP 4% of peak 150°: 14 dB attenuation; relative ERP 4% of peak 160°: 12 dB attenuation; relative ERP 6.3% of peak 170°: 7 dB attenuation; relative ERP 20% of peak 180°: 4 dB attenuation; relative ERP 39.8% of peak 190°: 3 dB attenuation; relative ERP 50.1% of peak 200°: 2 dB attenuation; relative ERP 63.1% of peak 210°: 0 dB attenuation; relative ERP 100% of peak 220°: 2 dB attenuation; relative ERP 63.1% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 4 dB attenuation; relative ERP 39.8% of peak 250°: 7 dB attenuation; relative ERP 20% of peak 260°: 12 dB attenuation; relative ERP 6.3% of peak 270°: 14 dB attenuation; relative ERP 4% of peak 280°: 14 dB attenuation; relative ERP 4% of peak 290°: 14 dB attenuation; relative ERP 4% of peak 300°: 10 dB attenuation; relative ERP 10% of peak 310°: 7 dB attenuation; relative ERP 20% of peak 320°: 4 dB attenuation; relative ERP 39.8% of peak 330°: 3 dB attenuation; relative ERP 50.1% of peak 340°: 2 dB attenuation; relative ERP 63.1% 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): 30°, 210° at 0 dB attenuation.

Deepest restriction(s): 130°, 140°, 150°, 270°, 280°, 290° at 14 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 25 W

0° 30° 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° N E S W 0°: 3 dB attenuation; relative ERP 50.1% of peak 10°: 2 dB attenuation; relative ERP 63.1% of peak 20°: 2 dB attenuation; relative ERP 63.1% of peak 30°: 0 dB attenuation; relative ERP 100% of peak 40°: 2 dB attenuation; relative ERP 63.1% of peak 50°: 3 dB attenuation; relative ERP 50.1% of peak 60°: 3 dB attenuation; relative ERP 50.1% of peak 70°: 2 dB attenuation; relative ERP 63.1% of peak 80°: 2 dB attenuation; relative ERP 63.1% of peak 90°: 3 dB attenuation; relative ERP 50.1% of peak 100°: 4 dB attenuation; relative ERP 39.8% of peak 110°: 7 dB attenuation; relative ERP 20% of peak 120°: 10 dB attenuation; relative ERP 10% of peak 130°: 14 dB attenuation; relative ERP 4% of peak 140°: 14 dB attenuation; relative ERP 4% of peak 150°: 14 dB attenuation; relative ERP 4% of peak 160°: 12 dB attenuation; relative ERP 6.3% of peak 170°: 7 dB attenuation; relative ERP 20% of peak 180°: 4 dB attenuation; relative ERP 39.8% of peak 190°: 3 dB attenuation; relative ERP 50.1% of peak 200°: 2 dB attenuation; relative ERP 63.1% of peak 210°: 0 dB attenuation; relative ERP 100% of peak 220°: 2 dB attenuation; relative ERP 63.1% of peak 230°: 3 dB attenuation; relative ERP 50.1% of peak 240°: 4 dB attenuation; relative ERP 39.8% of peak 250°: 7 dB attenuation; relative ERP 20% of peak 260°: 12 dB attenuation; relative ERP 6.3% of peak 270°: 14 dB attenuation; relative ERP 4% of peak 280°: 14 dB attenuation; relative ERP 4% of peak 290°: 14 dB attenuation; relative ERP 4% of peak 300°: 10 dB attenuation; relative ERP 10% of peak 310°: 7 dB attenuation; relative ERP 20% of peak 320°: 4 dB attenuation; relative ERP 39.8% of peak 330°: 3 dB attenuation; relative ERP 50.1% of peak 340°: 2 dB attenuation; relative ERP 63.1% 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): 30°, 210° at 0 dB attenuation.

Deepest restriction(s): 130°, 140°, 150°, 270°, 280°, 290° at 14 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 25 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°: 2 dB attenuation; relative ERP 63.1% of peak 120°: 5 dB attenuation; relative ERP 31.6% of peak 130°: 8 dB attenuation; relative ERP 15.8% of peak 140°: 9 dB attenuation; relative ERP 12.6% of peak 150°: 10 dB attenuation; relative ERP 10% of peak 160°: 7 dB attenuation; relative ERP 20% of peak 170°: 2 dB attenuation; relative ERP 63.1% 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°: 2 dB attenuation; relative ERP 63.1% of peak 260°: 7 dB attenuation; relative ERP 20% of peak 270°: 10 dB attenuation; relative ERP 10% of peak 280°: 9 dB attenuation; relative ERP 12.6% of peak 290°: 8 dB attenuation; relative ERP 15.8% of peak 300°: 5 dB attenuation; relative ERP 31.6% of peak 310°: 2 dB attenuation; relative ERP 63.1% 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°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 150°, 270° at 10 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 25 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°: 2 dB attenuation; relative ERP 63.1% of peak 120°: 5 dB attenuation; relative ERP 31.6% of peak 130°: 8 dB attenuation; relative ERP 15.8% of peak 140°: 9 dB attenuation; relative ERP 12.6% of peak 150°: 10 dB attenuation; relative ERP 10% of peak 160°: 7 dB attenuation; relative ERP 20% of peak 170°: 2 dB attenuation; relative ERP 63.1% 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°: 2 dB attenuation; relative ERP 63.1% of peak 260°: 7 dB attenuation; relative ERP 20% of peak 270°: 10 dB attenuation; relative ERP 10% of peak 280°: 9 dB attenuation; relative ERP 12.6% of peak 290°: 8 dB attenuation; relative ERP 15.8% of peak 300°: 5 dB attenuation; relative ERP 31.6% of peak 310°: 2 dB attenuation; relative ERP 63.1% 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°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 180°, 190°, 200°, 210°, 220°, 230°, 240°, 320°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 150°, 270° at 10 dB attenuation.

Parameters

Date 01/01/1900
Station BBC Radio 1
Area Helensburgh
Site Rosneath
Licence BBC000001
mb21 Rosneath
Frequency 98.8
NGR NS25848119
RDS PS Radio_1_
RDS PI C201
Switched PI
TP/TA
TMC
Lat 55.991962
Long -4.793796
Site Ht 107
In-Use Aerial Ht 85
In-UseERP/HP 25 W
In-Use ERP/VP 25 W
Max Dir
Licensed ERP/HP 25 W
Licensed ERP/VP 25 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°
3220233223471014141412743202347121414141074322

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°
3220233223471014141412743202347121414141074322

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°
00000000000258910720000000271098520000

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°
00000000000258910720000000271098520000