Well anything is possible I guess, if you use a resistive one there will be
losses, but inductive ones might be less lossy, after all those sets with
just one input have to be doing it inside unless they are SDR based as a lot
of the modern ones now are. However I would say that modern cars seem to use
diversity aerial systems to make dab more reliable, or so they claim. grin.
Brian

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"Jim GM4DHJ ..." wrote in message
...
In the early 80's used to split an non amplified car antenna between a
push button MW radio and a pioneer FM radio cassette and it worked
well....would it be OK to split a non amplified whip between FM radio and
DAB radio or one radio with two inputs or are the frequencies to close
together and there would be a loss of signal to both?...