Which modes does a UHF SATCOM radio support?

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Multiple Choice

Which modes does a UHF SATCOM radio support?

Explanation:
A UHF SATCOM radio is built to handle both direct line-of-sight links and satellite-relayed communications. In line-of-sight mode, you talk directly to another radio within range, using the UHF path without a satellite. In satellite mode, your signal goes up to a UHF satellite and is relayed to a distant terminal, extending reach beyond the horizon. HF data link is a different system using a different part of the spectrum, so it isn’t part of UHF SATCOM. That’s why the best answer recognizes both line-of-sight and satellite operation.

A UHF SATCOM radio is built to handle both direct line-of-sight links and satellite-relayed communications. In line-of-sight mode, you talk directly to another radio within range, using the UHF path without a satellite. In satellite mode, your signal goes up to a UHF satellite and is relayed to a distant terminal, extending reach beyond the horizon. HF data link is a different system using a different part of the spectrum, so it isn’t part of UHF SATCOM. That’s why the best answer recognizes both line-of-sight and satellite operation.

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