Minimum distances between a radio
transmitter and the blasting site
_____________________________________________________
| |
| AM transmitter |
|_____________________________________________________|
| | |
| Transmitter power | Minimum distance |
| watts | |
|_____________________________|_______________________|
| | |
| to | m |
| | |
| 5 25 | 30 |
| 25 50 | 45 |
| 50 100 | 65 |
| 100 250 | 100 |
| 250 500 | 135 |
| 500 1 000 | 200 |
| 1 000 2 500 | 300 |
| 2 500 5 000 | 450 |
| 5 000 10 000 | 670 |
| 10 000 25 000 | 1 000 |
| 25 000 50 000 | 1 500 |
| 50 000 100 000 | 2 000 |
|_____________________________|_______________________|
| |
| FM transmitter |
|_____________________________________________________|
| | |
| Transmitter power | Minimum distance |
| watts | |
|_____________________________|_______________________|
| | |
| to | m |
| | |
| 1 10 | 1.5 |
| 10 30 | 3 |
| 30 60 | 4.5 |
| 60 250 | 9 |
| 250 600 | 14 |
|_____________________________|_______________________|