#Cabrillo Format

Cabrillo is the plain-text format in which almost every HF contest asks for logs. A file has a header with station and category information and then one line per QSO with fixed columns. Small deviations in these columns, such as extra characters or a missing field, can make a log robot reject a line or the whole file. Articles under this tag explain which characters and fields are safe and how to read a file before it is sent. They are general guides, and the current contest rules always decide the details.