C-LOG, version 1.9, is a easy to use and well tested logging- software for the region-1-VHF/UHF/SHF-contests. It is designed for real-time operation (QSO-input during the contest). This version is the translation of the well known german version 'K-LOG'. All files and dataformats are compatible, so you can change the language loading 'K-LOG' during the contest. Here the features of the program: - support all band from 50MHz to 76GHz - Input of QSO-data in any sequence - 4-letter input of the locator - Dupecheck - Computing distance and direction - Easy correction of wrong QSO-details - Using a of a locator-database - Locatormap of Europe - All output can be send to paper or ASCII-file - Calculations of results and statistics - Print big or small QSL-labels - Automatic restart after systemfailure - Many safetychecks to avoid wrong or invalid QSO-data - Memopad during the contest - Converting of datafiles to other programs - Using serialport to connect other PC's as monitor - Very high performance, also useble on XT's - Selftest against computervirus