Antenna Calculator
Build and tune
your antenna
Calculate dimensions, compare VNA sweeps and document antenna builds on Android.
Explore the app
Smith chart in Antenna Calculator
From first cut to final tune
Find wavelength and starting dimensions for monopoles and dipoles, or open a dedicated calculator for your antenna design.
Compare your sweeps
Open Touchstone S1P files from a VNA and compare two sweeps. Check SWR and impedance across the band before saving the measurements to a project.
Keep a record of each build
Store calculations, measurements and photos with notes. Export journal backups and photos from the app when you need a copy.