Arfon - Ofcom TX Visualiser

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

Arfon

North West Wales · Classic FM · 100.7 MHz

Antenna pattern

In-use horizontal pattern

ERP field: In-UseERP/HP = 3.75 kW

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°: 1 dB attenuation; relative ERP 79.4% of peak 20°: 1 dB attenuation; relative ERP 79.4% of peak 30°: 1 dB attenuation; relative ERP 79.4% of peak 40°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 140°: 1 dB attenuation; relative ERP 79.4% of peak 150°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 6 dB attenuation; relative ERP 25.1% of peak 230°: 10 dB attenuation; relative ERP 10% of peak 240°: 13 dB attenuation; relative ERP 5% of peak 250°: 14 dB attenuation; relative ERP 4% of peak 260°: 14 dB attenuation; relative ERP 4% of peak 270°: 14 dB attenuation; relative ERP 4% of peak 280°: 13 dB attenuation; relative ERP 5% of peak 290°: 10 dB attenuation; relative ERP 10% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 1 dB attenuation; relative ERP 79.4% 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°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 160°, 170°, 180°, 190°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 250°, 260°, 270° at 14 dB attenuation.

In-use vertical pattern

ERP field: In-Use ERP/VP = 15 kW

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°: 1 dB attenuation; relative ERP 79.4% of peak 20°: 1 dB attenuation; relative ERP 79.4% of peak 30°: 1 dB attenuation; relative ERP 79.4% of peak 40°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 140°: 1 dB attenuation; relative ERP 79.4% of peak 150°: 1 dB attenuation; relative ERP 79.4% 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°: 1 dB attenuation; relative ERP 79.4% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 6 dB attenuation; relative ERP 25.1% of peak 230°: 10 dB attenuation; relative ERP 10% of peak 240°: 13 dB attenuation; relative ERP 5% of peak 250°: 14 dB attenuation; relative ERP 4% of peak 260°: 14 dB attenuation; relative ERP 4% of peak 270°: 14 dB attenuation; relative ERP 4% of peak 280°: 13 dB attenuation; relative ERP 5% of peak 290°: 10 dB attenuation; relative ERP 10% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 1 dB attenuation; relative ERP 79.4% 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°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 160°, 170°, 180°, 190°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 250°, 260°, 270° at 14 dB attenuation.

Licensed horizontal pattern

ERP field: Licensed ERP/HP = 15 kW

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°: 1 dB attenuation; relative ERP 79.4% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 6 dB attenuation; relative ERP 25.1% of peak 230°: 10 dB attenuation; relative ERP 10% of peak 240°: 13 dB attenuation; relative ERP 5% of peak 250°: 14 dB attenuation; relative ERP 4% of peak 260°: 14 dB attenuation; relative ERP 4% of peak 270°: 14 dB attenuation; relative ERP 4% of peak 280°: 13 dB attenuation; relative ERP 5% of peak 290°: 10 dB attenuation; relative ERP 10% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 1 dB attenuation; relative ERP 79.4% 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°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 250°, 260°, 270° at 14 dB attenuation.

Licensed vertical pattern

ERP field: Licensed ERP/VP = 15 kW

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°: 1 dB attenuation; relative ERP 79.4% of peak 210°: 3 dB attenuation; relative ERP 50.1% of peak 220°: 6 dB attenuation; relative ERP 25.1% of peak 230°: 10 dB attenuation; relative ERP 10% of peak 240°: 13 dB attenuation; relative ERP 5% of peak 250°: 14 dB attenuation; relative ERP 4% of peak 260°: 14 dB attenuation; relative ERP 4% of peak 270°: 14 dB attenuation; relative ERP 4% of peak 280°: 13 dB attenuation; relative ERP 5% of peak 290°: 10 dB attenuation; relative ERP 10% of peak 300°: 6 dB attenuation; relative ERP 25.1% of peak 310°: 3 dB attenuation; relative ERP 50.1% of peak 320°: 1 dB attenuation; relative ERP 79.4% 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°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 330°, 340°, 350° at 0 dB attenuation.

Deepest restriction(s): 250°, 260°, 270° at 14 dB attenuation.

Parameters

Date 16/11/1995
Station Classic FM
Area North West Wales
Site Arfon
Licence AN000001
mb21 Arfon
Frequency 100.7
NGR SH47604937
RDS PS Classic_
RDS PI C2A1
Switched PI C6A1
TP/TA Y
TMC Y
Lat 53.019865
Long -4.273476
Site Ht 300
In-Use Aerial Ht 283
In-UseERP/HP 3.75 kW
In-Use ERP/VP 15 kW
Max Dir 80
Licensed ERP/HP 15 kW
Licensed ERP/VP 15 kW

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°
0111100000000111000013610131414141310631000

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°
0111100000000111000013610131414141310631000

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°
0000000000000000000013610131414141310631000

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°
0000000000000000000013610131414141310631000