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3 Mhz to 30 Mhz and comprises amateur radio, short wave broadcasters among a host of others. Largely becoming superseded by satellite transmissions. Radio frequencies within the range of 3,000 to 30,000 kilohertz. HF radio is known as shortwave. High-Power Satellite Satellite with 100 watts or more of transponder RF
power.
Hour
Angle
Steering
direction
of a
polar
mount.
An angle
measured
in the
equatorial
plane
between
the
antenna
beam and
the
meridian
plane.
Hub The
master
station
through
which
all
communications
to, from
and
between
micro
terminals
must
flow. |
