Symbols 
Meaning 
A 
Area included in currentdistribution plot, degreeamperes; also a symbol for special quantities 
C 
Capacitance in farads 
c 
Freespace wave velocity (310^{8} meters per second) 
D 
Distance 
d 
Diameter; distance 
E 
Electric field strength, volts per meter 
F 
Field strength; a functional notation 
f 
Frequency; a functional notation 
f_{0} 
Fundamental frequency 
G 
Length of a conductor, electrical degrees 
G_{h} 
Length of a horizontal conductor, electrical degrees 
Gv_{} 
Length of a vertical conductor, electrical degrees 
G_{0} 
Length of a vertical conductor, radians 
h 
Height above ground 
I 
Current, amperes 
j 
Operator = = a 90degree rotation counterclockwise

L 
Inductance in henrys

l 
Length (physical)

Q 
Dissipation factor X/R; a standingwave ratio Imax_{}/I_{min}

R 
Resistance, ohms

r 
Radial distance

V 
Potential, volts

v 
Velocity of propagation, meters per second

W 
Power, watts

X 
Reactance, ohms

Z 
Impedance, ohms

Z_{0} 
Characteristic impedance, ohms

Z_{m} 
Mutual impedance, ohms

α 
Angle above the horizontal; also the attenuation factor in the propagation constant

β 
Azimuth angle from some reference direction

ε 
Inductivity or dielectric constant

θ 
A colatitude angle in polar coordinates; also occasionally used as general designation for an angle

λ 
Freespace wavelength in meters

λ_{0} 
Fundamental wavelength in meters

ρ 
Radius

σ 
Conductivity

φ 
Phase difference; a longitude angle in polar coordinates

ψ 
Phase difference; a latitude angle

ω 
Angular frequency 2πf
