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Introduction to SNG and ENG Microwave by Jonathan Higgins

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Dealing with hazards with microwave equipment

The most hazardous area when operating microwave links is in front of the antenna. This is a particular problem with SNG flyaways and transportable Inmarsat satphones as they are often placed on the ground, or operated so that the beam is at a height through which people may pass. It is less of an issue with SNG and ENG trucks, where the antenna is mounted either on the roof or at least high up on the vehicle structure, and hence out of harms way.

It is not necessarily a lower risk with a smaller rather than a larger antenna, as the potential hazard is directly related to the output power delivered from the antenna, which is related to the size of the HPA as well as the antenna. However, it is recognized ...

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