About this app
The Maidenhead & HF Beam Antenna is a useful utility to calculate the the Maidenhead LOCATION as well as HF Elements' size in Feet, Inches, and Meters for the Reflector, Driven Element, Director, and Spacing for two and three element beam antennas. Just input the frequency and select the number of elements. Automated Calculator • Maidenhead Locator System Calculators • HF Beam Antenna with 2 or 3 Elements • EIRP • Pure ERP Area Converters • Square Inches and Shorter Conversion • Square Feet & Yards & Meters Conversion Distance Converters • Inches & Centimeters & Millimeters Conversion • Feet & Yards & Meters Conversion • Nautical Miles, Statue Miles and Kilometers Conversion Volume Converters • US/Imperial to Metric Units Conversion • Metric to US/Imperial Units Conversion • Inches & Centimeters Volume Conversion • Feet, Yards, & Meters Volume Conversion This app features: • Send your calculations or conversions by email • Universal App (iPhone, iPod Touch, and iPad) • Latest version of iOS is supported • All iPhone screens are supported • Retina Display graphics • Fast app switching • Automatically Saves Your Inputs No network connectivity required.
Latest release
What’s New
bug fixes for iOS 18
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 10:03 AM $0.99
Screenshots
