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In article , wrote:
I've been trying to get an AM signal at my job which is in a large steel factory. Today I heard about HD radio and naturally I wonder if this is still an AM signal that will not penetrate a metal building or is an HD signal a more easily recievable signal that we are used to in AM? From what I have seen, the IBOC FM signal is maybe a little bit more robust than the analogue signal. So if the FM reception is a little marginal, you may still be able to get the HD broadcast from that station. On the other hand, IBOC AM is less robust than the analogue signal, so if the AM station is marginal, you probably won't be able to get the IBOC AM signal from it at all. Remember the IBOC signals are basically "bags on the side" of the existing analogue channels, so the propagation characteristics and interference issues will tend to be more or less the same as the signal they are hanging off of. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
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