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Introduction to SNG and ENG Microwave by Jonathan Higgins

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Inmarsat satphone operation

The following explanations give an idea of the differences in operation between the Inmarsat GAN and Mini-M satphones, and demonstrate how units of each type are typically assembled and operated. These are currently the two most common Inmarsat systems used by newsgatherers.

Inmarsat GAN

There is a limited selection of brands of Inmarsat GAN satphones, and the Inmarsat GAN satphone typically consists of two parts – the antenna and the transceiver unit – integrated together.

The unit has a fold out panel antenna, and the whole unit is pointed approximately towards the satellite. The unit typically has both an audible and visual display of signal strength, and as the unit is rotated slowly towards the satellite, the ...

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