Standard Horizon HX600S, Руководство пользователя

Страница: 9 / 56

HX600S Page 7
3. ABOUT THIS RADIO
3.1 ABOUT THE VHF MARINE BAND
WARNING:
The radio frequencies used in the VHF marine band
lie between 156 and 158 MHz with NOAA Weather
stations available between 161 and 163 MHz. The
marine VHF band provides communications over dis-
tances that are essentially “line of sight” Actual transmission range depends
much more on antenna type, gain and height than on the power output of the
transmitter. On a fixed mount 25W radio transmission expected distances
can be greater than 15 miles. A portable 5W radio transmission expected
distance can be greater than 5 miles “line of sight.”
The user of a Marine VHF radio is subject to severe fines if the radio is
used on land.
The reasoning for this is you may be near an inland waterway,
or propagation anomalies may cause your transmission to be heard in a
waterway. If this occurs, depending upon the marine VHF channel on which
you are transmitting, you could interfere with a search and rescue case, or
contribute to a collision between passing ships.
For VHF Marine channel
assignments refer to page 40 section 13.
3.2 ABOUT RECEIVE ONLY CHANNELS and FREQUENCIES
AM/FM Broadcast Bands
The AM/FM bands contained within the HX600S are the same channels you
use every day to listen to music, news and commentary with your car or
home stereo.
The AM broadcast band currently extends from 500
to 1800 kHz. Channels are spaced in even 10 kHz
increments; i.e.: 510, 520, 530, ... , 1800 kHz in the
United States and Canada. Elsewhere, channels are
spaced in 9 kHz increments, i.e.: 504, 513, 522, etc.
The FM broadcast band in the United States extends
from 88 to 108 MHz. Channels are assigned at 100
kHz increments; i.e.: 88.1, 88.2, 88.3, ... , 107.9. The
channels from 88.1 to 91.9 are reserved for noncom-
mercial educational stations. Outside the United States and Canada, the
boundaries and channel spacing vary. In Japan, the band starts at 76 MHz.
In Western Europe, the band generally runs from 88-108 MHz, but channels
can be irregularly spaced, i.e.: 101.25 MHz.