The goal is to provide the student with an opportunity to "review" the course. It focuses on important facts that are repeated throughout the exams and also on the subject of classes. It can also cover material not included in the databases but important to understand some areas that are also impor...
• Receivers
are
more
complex.
o 496
kHz
/
500
kHz
/
504
kHz
output
• Wider
frequency
band
required.
• Passband
is
a
filter
used
to
get
rid
of
unwanted
frequencies
so
bandwidth
can
be
reduced.
• Single
Sideband
(SSB)
–
Often
only
1
of
the
outputs
is
TX’d.
The
sideband
carries
the
information
rather
than
the
carrier.
o With
all
TX
power
focused
on
one
sideband,
range
is
increased.
EMMISSION
CODES
• FM
has
many
more
sidebands
than
AM.
• 1st
=
Type
of
modulation
• 2nd
=
Nature
of
modulating
signal
HF
COMMS
&
HF
VOLMET
• 3rd
=
Type
of
information
transmitted
• Use
single
sideband
• HF
SSB
=
J3E
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