[DXBase] invalid call

[FireBrick]

The 'signing' process of my .adi logs balks at the callsign in my log of
EA7/DL8FCL.
Says it's an invalid callsign.

What's wrong with it?
The date was Dec 25, 1997.
Is that AFTER the German unification?


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"Love is when mommy gives daddy the best piece of chicken." Elaine - age 5
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W9OL, Bill H. in Chicagoland