‰  NOW 5 WPM  ‰  TEXT IS FROM DECEMBER 2016 QST PAGE 40  ‰

THE NEC AND IN THE ELECTRICAL LITERATURE, BUT THEYRE ALL FUNCTIONALLY THE
SAME A LONG CONDUCTOR EMBEDDED IN A BIG PIECE OF CONCRETE.  THE ELECTRODE
WORKS BECAUSE THE CONCRETE HAS A HUGE CONTACT AREA WITH THE SURROUNDING
ƒ  QST DE W1AW  ‰
SOIL, PROVIDING VERY LOW IMPEDANCE AND, WHATS ALSO IMPORTANT, A LOW CURRENT
DENSITY, SO THAT LOCALIZED HEATING DOESNT OCCUR.  CONCRETE TENDS TO ABSORB
‰  END OF 5 WPM TEXT  ‰  QST DE W1AW  ƒ