| RELL
SIZE |
| SERIES 7 |
INCHES |
CENTIMETERS |
| Single |
18x14x10 |
46x36x25 |
| Single Quadshield |
18x14x10 |
46x36x25 |
| Single Messengered |
22x14x10 |
56x36x25 |
| Siamese |
22x14x10 |
56x36x25 |
| Siamese Messengered |
22x14x10 |
56x36x25 |
| |
|
|
|
| ATTENUATION
@ 68i F (20i C) |
| FREQUENCY |
MAXIMUM |
MAXIMUM |
| MHz |
dB
per 100 ft. |
dB
per 100 meters |
| 5 |
0.5 |
1.64 |
| 30 |
1.5 |
3.28 |
| 50 |
1.29 |
4.23 |
| 108 |
1.75 |
5.74 |
| 216 |
2.42 |
7.94 |
| 240 |
2.55 |
8.37 |
| 270 |
2.71 |
8.89 |
| 300 |
2.86 |
9.37 |
| 325 |
2.97 |
9.75 |
| 350 |
3.10 |
10.17 |
| 375 |
3.21 |
10.52 |
| 400 |
3.34 |
10.96 |
| 450 |
3.55 |
11.64 |
| 500 |
3.76 |
12.33 |
| 550 |
3.96 |
12.99 |
| 600 |
4.14 |
13.58 |
| 650 |
4.31 |
14.13 |
| 700 |
4.48 |
14.69 |
| 750 |
4.64 |
15.22 |
| 800 |
4.83 |
15.84 |
| 862 |
5.01 |
16.44 |
| 900 |
5.16 |
16.92 |
| 950 |
5.30 |
17.39 |
| 1000 |
5.47 |
17.94 |
| Attenuation
varies 1% per 10°F (1.8% per 10°C) |
|
