EDACS Talk Groups Numbers (TGID's) come in two formats
        AFS (Dashed format) such as 01-144
        DECIMAL  such as 000244

Scancat only accepts AFS for EDACS.
MANY radios such as Radio Shack scanners only accept AFS.

http://gtrac.ztn.net/convert.cgi

SO if you find DECIMAL EDACS Talk Group - use this little Calculator to convert between what you have and what you need.

JIm