call sign suffixes are now recognized

syntax/fle.vim

@@ -10,7 +10,7 @@ endif
 syn match fle_date /^\s*date \d\{4}-\d\{2}-\d\{2}/
 syn match fle_time /\(^\s*\)\@<=\(\d\{4}\|\d\{1,2}\)\($\|\s\)/
 syn match fle_freq /\d\{1,3}\.\d\{3}/
-syn match fle_call /\(\S*\/\)\{-\}[a-zA-Z0-9]\{1,3}[0-9][a-zA-Z0-9]\{0,3}[a-zA-Z]/
+syn match fle_call /\(\S*\/\)\{-\}[a-zA-Z0-9]\{1,3}[0-9][a-zA-Z0-9]\{0,3}[a-zA-Z]\%\(\/\S*\)*/
 syn match fle_loc /#\(\S\+\)/
 syn match fle_name /@\(\S\+\)/