How do you calculate FWHM of the primary beam of the telescope from wavelength and dish size?
Posted July 17th, 2010 by admin 2 Comments »
Ian S asked:
How do you calculate FWHM of the primary beam of the telescope from wavelength and dish size?
How do you calculate FWHM of the primary beam of the telescope from wavelength and dish size?
I assume there is some simple formula, and it goes something like Field of View ~= Lamda/Dish Diameter.