It is standard practice to use Coordinated Universal Time (UTC) to avoid confusion between time zones.
So, why choose PDF for your ham radio logbook? Here are some benefits: ham radio logbook pdf
There is a ritualistic joy to the paper log. During contests like ARRL Field Day, paper logs reduce distractions. You focus on the mic and the radio, not whether your USB-to-serial adapter just disconnected. Many contesters use PDF logs for dupesheets (duplicate contact sheets) because reading a printed grid is faster than scrolling through a laptop screen under an EZ-Up canopy. It is standard practice to use Coordinated Universal
: The call sign of the contacted station and the operator's name. During contests like ARRL Field Day, paper logs
If you have specific needs (e.g., a column for "IOTA number" or "Satellite Name"), you should build your own.