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erv vs. nua HD collison?

L

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Feder is reporting today that WERV in Aurora has turned on its HD.

Anyone know how the coverage is to the east of Aurora? My understanding is that 95.9 and 95.5 will both be putting signal onto 95.7. Should that not severely reduce the coverage of the HD signal for the stations?

Thanks for any replies.
 
> Feder is reporting today that WERV in Aurora has turned on
> its HD.
>
> Anyone know how the coverage is to the east of Aurora? My
> understanding is that 95.9 and 95.5 will both be putting
> signal onto 95.7. Should that not severely reduce the
> coverage of the HD signal for the stations?
>
> Thanks for any replies.

According to iBiquity, no. According to the Laws of Physics, yes.

To be fair, the signals technically don't overlap. WNUA's IBOC signal covers below 95.700. WERV-FM's IBOC signal begins above 95.700. When you hear the hash at 95.7 on an analog radio from either station, it's because an analog radio is reproducing the sound from the IBOC signals above and below the tuned frequency.

Nevertheless, no radio has *perfect* frequency response/rejection, including an IBOC receiver. If one signal is significantly stronger than an adjacent, physics says the radio will have difficulty "hearing" the weaker one.
 
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