57
|
P a g e
could
be
useful
for
radio
direction
finding
(using
a
highly
directional
antenna,
you
can
determine
when
you
are
facing
toward
or
directly
away
from
a
signal
source)
or
to
compare
the
performance
of
different
antennas.
From
the
Analyze
Menu,
select
RF
Power
Plot.
RF
Power
Plot
RF
Power
Plot
allows
you
to
analyze
the
signal
strength
over
time
on
a
single
frequency.
This
The
RF
Power
Plot
Menu
appears.
Set
Frequency
–
sets
the
frequency
to
analyze.
Modulation
–
tap
to
set
the
modulation.
Attenuator
–
tap
to
turn
attenuation
on
or
off.
Sample
Rate
–
tap
to
set
how
long
each
vertical
bar
in
the
power
plot
represents.
Tap
Start
to
start
the
power
plot.
You
will
hear
received
signals.
In
the
above
example,
the
antenna
was
changed
from
an
external
(poorly
grounded)
mag
mount
antenna
for
the
transmission
starting
at
about
35
seconds
to
the
included
the
transmission
starting
at
about
80
s.
on
‐
unit
antenna
for
seconds.
Raw
Data
Output
This
function
is
used
to
analyze
raw
decoded
data
using
external
software.
Uniden
does
not
yet
support
this
output,
but
will
provide
the
output
format
to
software
authors
for
inclusion
in
their
program
