[CQ-Contest] "Z" in UBN Reports?

[Bill Tippett]

AD1C wrote:
>Busted Zone.  FP8 is in Zone 5, not Zone 16.

         No, I logged 59905 which is the correct zone for
FP.  The (16) following the station's call means that call
was found in a total of 16 logs.  In the UBN summary,
no QSO points were removed for the Z classification, but
the multiplier was, so I assume Z must be a way to flag
bad multipliers due to someone playing games ( i.e.
working multiple stations with a bogus call). The UBN
summary says:

Lost countries (B or N) : FP


                                 73,  Bill  W4ZV