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13
G1000A OPERATION MANUAL
INTRODUCTION TO SHORTWAVE continued
BAND MEGAHERTZ (MHz) KILOHERTZ (KHz) G1000A’S
(as on the G1000A) (as in most broadcast) switch setting
49 meters 5.950-6.20 MHz 5950- 6200 KHz SW1
41 meters 7.10-7.60 MHz 7100- 7600 KHz SW2
31 meters 9.20-9.90 MHz 9500- 9900 KHz SW3
25 meters 11.600-12.200 MHz 11600-12100 KHz SW4
22 meters 13.570-13.870 MHz 13570-13870 KHz SW5
19 meters 15.10-15.80 MHz 15100-15800 KHz SW6
16 meters 17.480-17.90 MHz 17480-17900 KHz SW7
13 meters 21.450-21.850 MHz 21450-21850 KHz SW8
DAY BANDS / NIGHT BANDS – THE DIFFERENCE
IS VERY IMPORTANT
Because shortwave signals depend on such factors as the sun, the
ionosphere and interaction with the earth itself, signals cannot be
heard on all bands throughout the day. Some bands are best during
the daylight hours, and some are best at night. Here are some good
‘rules of thumb’.
• In general, the bands with frequencies below 13000 KHz are better
at night and the bands with frequencies above 13000 KHz are best
during the day. This guideline is not ‘cast in concrete’ but is a useful
general rule of thumb.
• Around sunrise and sunset, both the day and night bands might
be good, sometimes exceptionally good.
• In the summer time, the day bands often are good into the
early night.
• While most shortwave stations are found within the frequency
limits of these defined bands, some are found outside of them.
It pays to take the time to tune in-between bands too.
• These guidelines can be used worldwide and are not dependent
on location.