‰  NOW 15 WPM  ‰  TEXT IS FROM OCTOBER 2012 QST  PAGE 63  ‰

FOOT DISH WOULD NEED 340 FEET.  FOR OTHER ANTENNAS, THE APERTURE, OR
CAPTURE AREA, IS NOT AS OBVIOUS AS A DISH, BUT THE LARGEST DIMENSION IS A
ROUGH ESTIMATE FOR A YAGI ANTENNA, THE BOOM LENGTH MIGHT BE A GOOD
APPROXIMATION FOR THE APERTURE DIAMETER.  A RANGE LONGER THAN THE RAYLEIGH
DISTANCE WILL HAVE A FLATTER PHASEFRONT AND REDUCE GAIN ERROR.  A RANGE SET
UP FOR THE LARGEST ANTENNA TO BE MEASURED WILL WORK FINE AND GIVE EVEN MORE
ACCURATE RESULTS FOR SMALLER ONES.  IN MOST PRACTICAL ENVIRONMENTS, STRAY
‰  END OF 15 WPM TEXT  ‚