‰  NOW 25 WPM  ‰  TEXT IS FROM DECEMBER 2005 QST  PAGES 40, 41 AND 96  ‰
CALIFORNIA TIME, IN MID AUGUST.  THERE CERTAINLY ARE A LOT OF THUNDERSTORMS
RAGING AROUND THE COUNTRY IN THE SUMMER.  THE SIGNAL TO NOISE AND SIGNAL TO
INTERFERENCE RATIOS FOR A 20 FOOT HIGH INVERTED V DIPOLE WILL BE SUPERIOR
FOR MEDIUM RANGE DISTANCES, SAY OUT TO 500 MILES FROM THE CENTER, COMPARED
TO A 100 FOOT HIGH ANTENNA.  THE 20 FOOT HIGH ANTENNA CAN DISCRIMINATE
AGAINST MEDIUM ANGLE THUNDERSTORM NOISE IN THE LATE AFTERNOON COMING FROM
THE ARIZONA DESERT, ALTHOUGH IT WOULDNT HELP MUCH FOR THUNDERSTORMS IN THE
SIERRA NEVADA IN CENTRAL NEVADA, WHICH ARE ARRIVING IN SAN FRANCISCO AT
HIGH ANGLES, ALONG WITH THE DESIRED NVIS SIGNALS.  THIS IS THE ESSENCE OF
WHAT NVIS MEANS.  NVIS EXPLOITS THE DIFFERENCE IN ELEVATION PATTERN
RESPONSES OF LOW HORIZONTALLY POLARIZED ANTENNAS COMPARED TO HIGHER
HORIZONTAL ANTENNAS, OR EVEN VERTICALS.  OVER THE YEARS, MANY HAMS HAVE
‰  FROM PAGE 96  ‰
Memorial Hospital ARC W1SMH 1815 2 25 6,214 EMA Hazel Park ARC W8HP W8JXU
‰  END OF 25 WPM TEXT  ‰  QST DE W1AW  ƒ