‰  NOW 35 WPM  Text is from December 2007 QST pages 48 and 89 ‰
HANDS ON RADIO EXPERIMENT 59 SMITH CHART FUN I N0AX  THE WAYS AND MEANS OF
TRANSMISSION LINES CAN BE MYSTERIOUS AND HARD TO UNDERSTAND.  IS THE
VENERABLE SMITH CHART A MAGIC TALISMAN OF INSTANT KNOWLEDGE?  NO, BUT IT IS
A WINDOW ON WHATS HAPPENING INSIDE THE LINE, ENABLING A BETTER
UNDERSTANDING OF TRANSMISSION LINE MECHANICS.  SMITH CHART BACKGROUND QST
ARTICLES AND THE WIKIPEDIA WEB PAGES ON THE SMITH CHART EN. WIKIPEDIA.
ORG/ WIKI/ SMITHCHART ARE GOOD REFERENCES WITH DEEPER DISCUSSIONS THAN THIS
COLUMN CAN PROVIDE.  YOU CAN READ THESE ARTICLES FIRST OR USE THEM AS
REFERENCES THROUGHOUT THIS COLUMN.  BEFORE DISCUSSING THE CHART, LETS BACK
UP A STEP.  ALL IMPEDANCES CONSIST OF TWO COMPONENTS, RESISTANCE AND
REACTANCE.  GRAPHICALLY, THESE COMPONENTS ARE REPRESENTED AS A PAIR OF AXES
AT RIGHT ANGLES, AS IN FIGURE 1.  THE HORIZONTAL AXIS REPRESENTS RESISTANCE
POSITIVE TO THE RIGHT OF THE ORIGIN AND NEGATIVE TO THE LEFT.  THE VERTICAL
AXIS REPRESENTS REACTANCE POSITIVE INDUCTIVE ABOVE THE ORIGIN AND NEGATIVE
CAPACITIVE BELOW.  ALL POSSIBLE IMPEDANCES CORRESPOND TO ONE POINT Z ON
THAT GRAPH BASED ON THE VALUES OF RESISTANCE AND REACTANCE.  THOSE TWO
‰  FROM PAGE 89  ‰
218 2 1 808 WWA K2MK 188 2 1 802 SNJ W0QQG 185 2 1 790 VA W2LHL 221 2 1 774
NNJ VE3XK 176 2 1 754 ON W7QN 176 2 1 754 WWA WJ2D 347 2 1 748 NC VE3CX 225
2 4 730 ON N4HAI 245 2 4 712 OH AA8IA 165 2 1 706 OH VY2LI 252 2 2 702 MAR
‰  END OF 35 WPM TEXT  ‰  QST DE W1AW  ƒ