20
KHF 1050/PS440 Pilot’s Guide
Revision 0 Mar/2003
Frequency (kHz)
4000
8000
12000
16000
Propagation (Miles)
Min
Max
Min
Max
Min
Max
Min
Max
Hours After Sunset
1
100
600
400
2000
500
3500
750
6000
2
100
800
400
2000
500
4000
750
6000
3
100
1000
400
2000
500
4000
4
100
1000
400
2500
500
4000
5
100
1000
400
3000
500
4000
6
100
1500
400
3500
7
250
2000
400
4000
8
250
2500
500
4000
9
500
3000
500
4000
10
500
4000
500
4000
11
500
3000
750
5000
12
250
2500
750
5000
13
250
1500
500
2500
Hours After Sunrise
1
100
1000
400
2000
2
100
500
400
2000
3
0
100
400
2000
3500
750
4000
4
0
100
400
2000
500
3500
750
4000
5
0
100
250
1500
500
3500
750
4000
6
0
100
250
1500
500
3500
750
4000
7
0
100
250
1500
500
4000
750
5000
8
0
100
250
1500
500
4000
750
5000
9
0
100
250
1500
500
4000
750
6000
10
0
100
250
1000
500
3500
750
6000
11
0
250
250
1500
500
3500
750
6000
Table 2A - Typical Frequency Propagation For Fall And Winter
KHF1050 PG R0 3/21/03 3:22 PM Page 20