TABLE OF CONTENTS | A | area, attenuation | |
| B | susceptance, phase function, a field ratio | |
| C | capacitance, a field ratio | |
| D | spacing between towers in electrical degrees | |
| E | electromotive force, voltage | |
| E k | kinetic energy | |
| F P | field at point P | |
| G | conductance | |
| I | current | |
| K | dielectric constant, coupling coefficient | |
| K v | vertical-distribution factor | |
| L | inductance. | |
| M | mutual inductance | |
| N | number of turns per meter | |
| P | a point, propagation vector | |
| Q | charge, ratio of reactance to resistance, ratio of volt-amperes to watts | |
| R | resistance | |
| R r | radiation resistance | |
| S | spacing between towers in electrical degrees | |
| W | power | |
| X | reactance, one of graphical coordinates | |
| Y | admittance, one of graphical coordinates | |
| Y 0 | characteristic admittance | |
| Z | impedance | |
| Z o | characteristic impedance | |
| Z 32 | mutual impedance between Nos. 3 and 2 | |
 | magnetic flux density | |
 | dielectric displacement | |
| ? | electric field intensity | |
 | magnetic field intensity | |
| a | angle, length of line | |
| b | angle, length of line | |
| d | diameter, distance | |
| e | 2.718, base of natural logarithms | |
| f | frequency | |
| h | height | |
| i | instantaneous current | |
| j | ??1, imaginary operator | |
| k | proportionality constant | |
| m | mass | |
| n | a number, a unit vector normal to an area | |
| r | radius | |
| r R | reflection coefficient | |
| s | spacing, distance | |
| t | time | |
| t s | effective skin thickness | |
| v | velocity | |
| ? | (alpha) an... |
