W3KM ADIF Prefix Calculator 

ADIF Prefix Calculator by W3KM

ADIF_PrefixCalc v1.0 download for first time users [Dec 2011].
Click this file and select `Run` to start the installation process and follow the prompts.
Calculator pix  Help file

20 Mar 2013 ADIF_PrefixCalc v1.1 update file.  Use this file to update the
software to the latest revision (not an install file). Extract
the file to your ADIF_PrefixTotals folder, or where originally installed.

Visit the UBA International Prefix Hunt
site and the prefix results page.

Questions, comments or problems: w3km at verizon dot net