Thread: Antenna design
View Single Post
Old 26-Mar-2017, 8:18 PM   #20
rabbit73
Retired A/V Tech
 
Join Date: Aug 2012
Location: S.E. VA
Posts: 2,355
Quote:
Originally Posted by dbseeker View Post
Is there a wavelength formula that determines maximal signal strength based on active elements, distance, and reflectors?
The formula that I use as a first approximation for a half wavelength for VHF and UHF is 5540/Freq in MHz with the answer in inches.



Example:
Channel 7, 174 to 180 MHZ, center freq 177
5540/177 = 31.3 inches
__________________
If you can not measure it, you can not improve it.
Lord Kelvin, 1883
http://www.megalithia.com/elect/aeri...ttpoorman.html

Last edited by rabbit73; 26-Mar-2017 at 8:37 PM.
rabbit73 is offline   Reply With Quote