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what is the expression for front to back?

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kocha

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what is the expression for front to back

let say : 0° is the boresight 180° is the front to back,

but from what degree we can call the term front to back
(from 90°,145???)?

is there any book that determine the expression ?

thnks
 

kocha

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anyone have any idea?
 

VSWR

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Front to back ratio is 0° compared to 180°. To see how this changes with the elevation /azimuth angle, a radiation diagram is usually provided.
 
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    kocha

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kocha

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VSWR said:
Front to back ratio is 0° compared to 180°. To see how this changes with the elevation /azimuth angle, a radiation diagram is usually provided.

thanks for your answer ,
but what i ment is the point that i can define the FRONT TO BACK ( TBD ).
145°,160 OR..........

THANKS
 

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