python-hamtools/hamtools/ctydat/readme.txt

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Big CTY.DAT
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The last release was on 2 August 2013.
This version of CTY.DAT has callsign data starting with 1 January 2000.
This is useful for people who are using contest logging software to log
their everyday QSOs, and want somewhat accurate country tracking. Here
are the features of this file:
1. Exception callsigns go back to the starting date shown above. If a
callsign was used multiple times, then only the most recent entity
is used. For example, TO5M was used from Martinique (FM) in 1993,
St. Pierre & Miquelon (FP) in 1995, and Reunion (FR) in 2004. Thus,
if you log TO5M using this file, you will get Reunion (FR)
2. Prefixes do not go back, they are current as of the day the file was
released. For example, Montenegro (4O) was added to the DXCC list
effective 28 June 2006. If you try to log a QSO with 4O1T in
Yugoslavia from 2003, it will come up as Montenegro, because that's
the current entity associated with the 4O prefix. Here is a list of
known problems <exceptions.htm>.
3. This is a complete file, meaning all prefixes that require CQ and/or
ITU zone overrides are listed. This is primarily for BY, K, UA9, VE
and VK - these entities all span multiple CQ zones. Remember that
the normal CTY.DAT has only a subset of these prefixes; many have
been implemented in software and therefore don't need to be listed.
4. Some software like CT by K1EA doesn't save the country information
in the log with the QSOs. Instead, the country for each QSO is
determined when the program is started, based on whatever country
file is in use. Thus, it may not be possible to "fix" a QSO that is
associated with the wrong country. You could use the override
method, like "FO8XYZ=FO0" to assign it to Clipperton Island.
However, if/when you over-write your country file with a new one,
those customizations will be lost. One known case of this problem is
a certain well-known IARU HQ station that uses the same callsign
from different DXCC countries, on different bands, at the same time.
It's very hard to get these cases right.
5. This file comes in only one format: using '=' to distinguish full
callsigns from prefixes.
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Installation instructions
The instructions for installing the CTY.DAT file are specific to each
logging program. However, the instructions for installing this file are
the same as the normal contest country files, so start HERE
<../cty/index.htm>. Follow the written instructions on that page, but
don't download the file from those links.
Here are some logging experiments to try to see if the larger file is
installed in the right place, and is working:
1. *VERSION* - should match the VERSION entity in the revision history
2. *OR4TN* - should be Antarctica (not Belgium)
3. *MR6TMS* - should be Scotland (not England)
4. *LW7DQQ/Y* - should be Argentina in ITU Zone 16
5. *UI9XA* - should be European Russia (not Asiatic)
6. *ZS85SARL* - should be South Africa (not Marion Island)
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Compatibility
Because of its size, this file may cause problems with your logging
software. Here are some programs that are known to work:
CT <http://www.k1ea.com/>
CT 9.92 (DOS) and CT 10.04 (Windows) both work. Once can therefore
assume that CT 9.92 (Windows) and CT 10.x (DOS) also work. It's
unknown how old a CT9 version can be and still work.
fldigi <http://www.w1hkj.com/Fldigi.html>
version 3.2.38 (Linux)
LM <http://contestsoftware.com/e/home.htm>
DL8WAA reports no problems.
MixW <http://www.mixw.net/>
version 3.1.1h and later
Xlog <http://xlog.nongnu.org/>
version 2.0.5 (Linux)
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Areas for Improvement
Here are some changes that may be coming - stay tuned for details!
1. The file contains all possible prefix mappings to determine the
correct CQ and ITU zones. If people are only tracking countries,
this may not be necessary, and would substantially reduce the number
of prefixes in the file.