Bill,

I think you were expecting something to happen that doesn't.  Changing the
prefix database does not change anything for an existing QSO.  It only
effects new QSOs logged.  So, if you have something already entered you'll
need to change the prefix field for the QSO.  This is one of the reasons why
we advise folks to consider the typically ambiguous prefixes such as the
JDs, VP8s, ZKs. so that they can add the callmaps before doing an import.
From your description, I think the software is doing exactly what was
intended.

Regards,
Sandy

----- Original Message -----
From: "William Hein, AA6TT" <[EMAIL PROTECTED]>
To: <[email protected]>
Cc: <[EMAIL PROTECTED]>
Sent: Friday, January 11, 2002 2:46 PM
Subject: [DXBase] DXCC Prefix Callsign Mapping Problem


> I switched from LOGPlus 3.55b to DXBase 2002 v1.01 a few months ago.  It
has been a lot of work transferring 75,000 QSOs from one program to another!
One persist problem is that my DXCC totals (including band countries and
related totals) are ALL lower on DXBase reports even though I have
meticulously tracked all of the 'problem' prefixes over the years and
carefully entered this data into DX Base: 3D2, 4U, KC6, VP8, ZK1, et al.
>
> I have made about 100 entries in the DXBase Prefix Callsign Mapping Table,
assigning the correct DXCC Prefix to each callsign according the QSL card
and other information known to be correct.  However, DX Base continues to
count these QSOs under their old, default DXCC Prefixes apparently without
regard to the data in the Prefix Callsign Mapping Table.
>
> It does not matter how many times I run Initialize Tables, the old --
incorrect -- DXCC Prefix data is still associated with these QSOs.  A few
examples:
>
> CALL         DXBASE DEFAULT PREFIX      CORRECT PREFIX
>
> 4U/F6IRF     YK                         XU
> 4U/N6BFM     YK                         YI
> 4U/T93A      YK                         HH
> KA2AM        K                          JA
> KA2GS        K                          JA
> TO2T         F                          FG
> VI0ANT       VK                         KC4
> VP8CBE       VP8                        VP8H
> VP8CKC       VP8                        VP8O
> VP8SGP       VP8                        VP8G
> ZK1UVO       ZK1/S                      ZK1/N
> ZK1VDX       ZK1/S                      ZK1/N
> ZK1VTK       ZK1/S                      ZK1/N
> ZX0A         PY0F                       KC4
> etc...
>
> Curiously, if I enter a new QSO into DX Base with any of above callsigns
the DXCC Prefix information seems to be correct on this new test QSO.
However, the old QSOs under such callsigns cataloged in DX Base continue to
have the old, incorrect DXCC Prefix data.
>
> Help!  What am I doing wrong?  I have read the DX Base Help file backwards
and forwards on this topic.
>
> Bill AA6TT
> Topsham VT
>
> ------------------------------
> William H. Hein, AA6TT
> 10 Clark Road
> Topsham VT 05076-3086 USA
> tel 802/584-4317
> -------------------------------
> http://www.AA6TT.com
> email [EMAIL PROTECTED]
> MSN IM [EMAIL PROTECTED]
> -------------------------------
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