Pocket operations center
Call entry, radio control, and propagation in one surface. No tab circus on a sunlit phone.
Portable operations
The portable ham radio app for anywhere you can raise a wire.
Log73 is the operating system for QRP, POTA, SOTA, WWFF, and backyard DX. One phone. Radio control. Log. GPS. Space weather. Satellites. Offline.
Themes for the field
Dark, tactical phosphor, red night, and vintage CRT. Read it at noon or at 0200Z.
Power budget aware
The logger is not a background hog. Snapshots, not constant cloud chatter.
From IC-705 to a KX2
CAT profiles for the radios that actually leave the house.
Questions
Is Log73 only for smartphones?
Phone is the field surface. Desktop and tablet get the same log, CAT, and map when you are back in the shack or at Field Day.
Can I run it QRP with no computer?
Yes. The phone is the computer. Radio optional via CAT; paper-backup export if you want a belt-and-suspenders log.
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Log73 · Portable operations · Field trial · Offline-first tactical logging