Selection of working frequency bands of mine-used radio systems and equipments
The paper put forward that mine-used radio systems and equipments are strictly prohibited using frequencies of broadcast, TV, radio astronomy, safety relief, radio navigation, and gave strictly prohibited frequency bands. It put forward that mine-used radio systems and equipments should select amate...
| Main Authors: | , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Industry and Mine Automation
2013-04-01
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| Series: | Gong-kuang zidonghua |
| Subjects: | |
| Online Access: | http://www.gkzdh.cn/article/id/9044 |