Radio Frequency by Steve Winder and Joe Carr - HTML preview

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24.8 Terrestrial television aerial dimensions

Channel Dimensions in cm
AB C D E F G H a b c Channels covered in the UHF groups are:
UHF Groups Group letter Colour Code Channels

A 30.1 30 24.1 23 22.8 21.1 20.4 19.9 10.3 10.3 1.8 A Red 21–34
B 26.5 21.7 18.9 18 17.8 16.5 16 15.5 8.9 8.9 1.8 B Yellow 39–51
C 23.2 18.2 16 15.3 15 14 13.3 12.2 7.5 7.5 1.8 C Green 50–66
D 26.1 23.5 18.4 16 15.5 14.8 13.8 13 7.6 7.6 1.8 D Blue 49–68
E 27 26.5 21.1 18.6 17.9 17.6 16 15.8 15.8 15.8 1.8 E Brown 39–68

UHF Groups

Band III
Bands
I and II

C
a b b b bb b bbb b b bbbCross boom To
feeder CCD D E E F F G G G G G HA B

A
a Pattern of general-purpose

A
Yagi array to be used in

x conjunction with the a dimensions given below.A
a
A
Reflector cross member