I have had a gre psr 500 since last year and have used win500 to import some freqs to it .How can I be sure I am listening to ALL I should be listening to like all my Troop A HP, Pitt Co and Greenville Pd and Pitt Co sheriff ,east care, and anything anyone who lives in my county would like to listen to......I am listening but I dont know if I have it all.......I know I am paying for sites and scanners that are smarter than I. THANKS