Q Codes vs Locator DX

Q Codes are a standardized collection of codes developed for radiotelegraph communication especially amateur radio. This tool is designed for quick look up of any Q Code

Locator DX is the essential tool for amateur radio operators to calculate distances and bearings between Maidenhead grid locators anywhere in the world. KEY FEATURES Distance Calculator Calculate precise distances between any two Maidenhead locators in 4 or 6 character format. Results displayed in both kilometers and miles with accurate great circle calculations. Azimuth and Bearing Get exact azimuth bearing and back azimuth for antenna pointing. Perfect for VHF/UHF operations, satellite tracking, and DX hunting. Interactive World Maps Visualize your connections on beautiful interactive maps with three display modes: - Standard road map - Satellite imagery - Hybrid view with labels See your QTH and DX station marked with custom icons, connected by a path line showing the exact route. GPS Auto-Location Instantly determine your current Maidenhead grid locator using GPS. Perfect for portable operations, Field Day, SOTA activations, and rover contests. Calculation History Automatically saves your last 20 calculations with timestamps. Quickly review past contacts, distances, and bearings. Swipe to delete individual entries or clear all at once. Support for All Locator Formats Works with both 4-character like JO70 and 6-character like JO70ab Maidenhead locators for maximum precision. PERFECT FOR - VHF/UHF operators planning antenna direction - Contest participants logging grid squares - Satellite operators tracking passes - DX hunters finding new contacts - Field Day and portable operations - SOTA and POTA activations - Learning about Maidenhead locator system FEATURES AT A GLANCE Worldwide coverage - calculate any two points on Earth Accurate great circle distance calculations Precise azimuth and back azimuth Real-time GPS location to grid conversion Beautiful interactive maps with satellite view Automatic calculation history Works completely offline except maps Clean, intuitive interface Optimized for both iPhone and iPad Portrait and landscape support No ads, no tracking, no accounts required PRIVACY FOCUSED Your privacy matters. Locator DX: - Never collects or transmits your data - Stores history only on your device - Uses GPS only when you tap the location button - No analytics or tracking - No third-party services Whether you are at home planning your next DX contact, operating portable in the field, or competing in a VHF contest, Locator DX gives you the calculations you need quickly and accurately. 73 de Locator DX