inputs.text: files not common - device seems decent sensitivity picks satellites fine log files couldnt read software products tried device makes nma file format ive tried reading houdahgeo google maps etc im mac user couldnt find anything could read files even tried couple msdos programs nothing seemed work addition lack developing common file format menu structure not intuitive bit mess getting around menus device takes quite try make want features device impressive lit 2line display menu removal minisd card slot bluetooth usb connectivity decent battery life aaa generally seems like nice device since cant read files develops basically useless edit contacted houdahgeo sent sample nma log files device took look instructed open file text editor delete first line resave file nmea file making changes modded files worked perfectly houdah result changes use device geotag photos ive upgraded review 1star 4stars still loses star crappy menu structure take extra steps make files useable long dont mind making simple file changes youll generally happy device