Calculate antenna lengths for dipoles, inverted vee, and vertical antennas in feet/inches or metric. Input frequency and select antenna type to get starting length. View 1/8, 1/4, 1/2, 5/8, and full wave options.
by State Road 41 Apps LLC★ 4.657 ratingsUtilities$0.99Data updated 2026-09-12
This app calculates unknown angles and sides of right-angled triangles. It can draw a scale drawing of the triangle and provides a formula sheet for manual calculations.
Calculate standard deviation, probable error, and error of the mean for surveying and civil measurements. Switch between imperial and metric units. Perform calculations for series of observations and single or combined accidental errors.
