These are the most frequently used words in this book.
aerial
american
antenna
application
array
based
beam
between
bose
charge
circuit
coil
communication
company
current
detector
developed
development
device
distance
during
early
effect
electric
electrical
electricity
electromagnetic
electronic
elements
engineer
equations
experiments
fessenden
field
figure
first
force
form
found
frequency
heaviside
hertz
high
however
idea
known
later
law
light
line
london
magnetic
marconi
maxwell
method
microwave
mm
new
now
paper
part
patent
phase
physicist
power
pp
propagation
published
radar
radiation
radio
receiver
research
results
signal
spark
states
system
technology
telegraph
telegraphy
telephone
tesla
theory
time
transmission
transmitter
tube
two
university
use
used
vol
waveguide
wavelength
waves
wire
wireless
work
years