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<TITLE>The DXSpider User Filtering Primer v1.0: Filters to reject spots based on frequency</TITLE>
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<P>Note: The following series of filters are based on <EM>call</EM> and
-<EM>by</EM>. Call always references the call sign of the spotted DX station.
-By always references the call sign of the spotting station.</P>
+<EM>by</EM>. Call always references the callsign of the spotted DX station.
+By always references the callsign of the spotting station.</P>
<H2><A NAME="ss6.6">6.6</A> <A HREF="filtering_en.html#toc6.6">Filters to reject spots based on call</A>
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-<P>This filter is based on the state of the call spotted, for those call signs
+<P>This filter is based on the state of the call spotted, for those callsigns
contained in the usdb database. Use the command <EM>show/usdb</EM> to see an
example of a listing in the database, like this ...</P>
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<P><EM>by</EM> filters are similar to and function exactly as call filters except
-that they act on the spotting station call sign and not the spotted call sign.</P>
+that they act on the spotting station callsign and not the spotted callsign.</P>
<P>So ...</P>
<P>This filter is similar to and functions like the call <prefixes>
-(See above) except that it rejects spots generated by the spotting call sign
+(See above) except that it rejects spots generated by the spotting callsign
and passes all other spots.</P>
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<P>This next filter is based on ITU regions and uses the ITU region number found by
using the command <EM>show/prefix</EM> (see above), except that it rejects
-spots generated by a spotting call sign within the ITU region and passes all
+spots generated by a spotting callsign within the ITU region and passes all
other spots.</P>
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<P>This filter is based on CQ zones and uses the CQ zone number found by using
the command <EM>show/prefix</EM> (see above), except that it rejects spots
-generated by a spotting call sign within the CQ zone and passes all other
+generated by a spotting callsign within the CQ zone and passes all other
spots.</P>
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