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Radio Shack DX-392 User Manual

Page 24

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24

time).

* These bands are reserved for sta-
tions in tropical areas.

** Interference is heavy in the 41m
band (7.100–7.300 MHz) because am-
ateur radio operators and international
stations share this range.

Aircraft Frequencies

Aircraft on international routes some-
times use SW. Most transmissions are
in SSB, although you can still hear
some AM transmissions. Here are
some bands where you might hear air-
craft communications.

4,650–4,750 kHz

6,545–6,765 kHz

8,815–9,040 kHz

11,175–11,400 kHz

13,200–13,360 kHz

15,010–15,100 kHz

17,900–18,030 kHz

Ships and Coastal Station
Frequencies

Most transmissions from ships and
coastal stations are in SSB and CW.
You can hear these transmissions in
the following bands.

2,000–2,300 kHz

*

4,063–4,139 kHz

4,361–4,438 kHz

8,195–8,181 kHz

12,330–12,420 kHz

13,107–13,200 kHz

16,460–16,565 kHz

* The Coast Guard and small boats
use this band, with 2,182 kHz set aside
as the international distress and emer-
gency channel.

Time Standard Frequencies

The following frequencies announce
the exact time of day at specified inter-
vals.

WWV in Fort Collins, Colorado:

Band
(in meters)

Frequency Range
(in MHz)

120

*

2.300–2.495

90

*

3.200–3.400

75

*

3.900–4.000

60

*

4.750–5.060

49

5.900–6.200

41

**

7.100–7.350

31

9.400–9.990

25

11.600–12.100

21

13.600–13.800

19

15.100–15.800

16

17.480–17.900

13

21.450–21.750

11

25.600–26.100

20-219.fm Page 24 Wednesday, August 4, 1999 9:23 AM