Attenuation |
[@68o F. (20o C.)] | |
Frequency (MHz) |
Maximum (dB/100 ft.) |
Maximum (dB/100 m) |
47 |
1.4 |
4.7 |
100 |
2.0 |
6.6 |
230 |
3.0 |
9.9 |
400 |
4.1 |
13.3 |
800 |
5.2 |
17.1 |
860 |
5.6 |
18.3 |
1000 |
5.9 |
19.4 |
1350 |
7.2 |
23.7 |
1750 |
8.0 |
26.4 |
2050 |
8.6 |
28.3 |
2150 |
9.2 |
30.0 |
2400 |
9.8 |
32.1 |