ATTENUATION LOSSES IN dB/100
ft. (30 meters) OF COAXIAL TRANSMISSION LINE
| TYPE |
30 |
40 |
50 |
72-76 |
150-170 |
450-470 |
800-900 |
| RG-8/U |
1.0 dB |
1.2 dB |
1.4 dB |
1.7 dB |
2.8 dB |
5.2 dB |
8.6 dB |
| RG-11/U |
1.2 dB |
1.4 dB |
1.6 dB |
1.8 dB |
2.8 dB |
5.0 dB |
8.6 dB |
| 9913 |
.50 dB |
.70 dB |
.90 dB |
1.1 dB |
1.6 dB |
3.0 dB |
4.2 dB |
| RG-58/U |
2.2 dB |
3.1 dB |
3.5 dB |
4.4 dB |
6.8 dB |
12.0 dB |
17.5 dB |
| 3/8"
Foam |
.64 dB |
.74 dB |
.82 dB |
1.0 dB |
1.5 dB |
2.55 dB |
3.8 dB |
| ½"
Foam |
.38 dB |
.45 dB |
.50 dB |
.63 dB |
.97 dB |
1.7 dB |
2.4 dB |
| 7/8"
Foam |
.20 dB |
.23 dB |
.27 dB |
.33 dB |
.45 dB |
.88 dB |
1.38 dB |
| 7/8"
Air |
.20 dB |
.25 dB |
.26 dB |
.32 dB |
.50 dB |
.83 dB |
1.22 dB |
| 1
5/8" Air |
.11 dB |
.14 dB |
.16 dB |
.17 dB |
.25 dB |
.44 dB |
.68 dB |
MAXIMUM AVERAGE POWER HANDLING
CAPABILITIES FOR COAXIAL TRANSMISSION LINES
| TYPE |
30 |
40 |
50 |
72-76 |
150-170 |
450-470 |
800-900 |
| RG-8/U |
1100w |
1000w |
900w |
800w |
500w |
300w |
200w |
| RG-11/U |
1400w |
1200w |
850w |
700w |
500w |
250w |
190w |
| 9913 |
2200w |
2000w |
1800w |
1600w |
900w |
400w |
270w |
| RG-58/U |
450w |
350w |
300w |
250w |
170w |
80w |
40w |
| 3/8"
Foam |
2600w |
2200w |
2000w |
1600w |
1050w |
620w |
410w |
| ½"
Foam |
3400w |
2900w |
2700w |
2200w |
1500w |
800w |
580w |
| 7/8"
Foam |
9500w |
840w |
7500w |
6000w |
4200w |
2350w |
1700w |
| 7/8"
Air |
12kw |
10kw |
9200w |
7300w |
4800w |
2800w |
1900w |
| 1
5/8" Air |
28kw |
23kw |
21kw |
17kw |
11kw |
6200w |
4100w |