Call Sign Lookup

Database and lookup services for amateur radio call signs and licenses

Recommended Software

Essential software applications for amateur radio operations

FREE
CHIRP - Radio Programming

Free, open-source tool for programming a large variety of amateur radio transceivers. Supports over 200 radio models from various manufacturers.

Features:
  • Multi-radio support
  • CSV import/export
  • Memory management
Platforms:
  • Windows
  • macOS
  • Linux
Download CHIRP
FREE
WSJT-X - Weak Signal Communication

Popular digital mode software supporting FT8, FT4, MSK144, and other weak signal protocols for amateur radio communication and moonbounce.

Modes:
  • FT8 & FT4
  • JT65 & JT9
  • MSK144
Features:
  • Weak signal decoding
  • Contest logging
  • Grid square display
Download WSJT-X
COMMERCIAL
Ham Radio Deluxe

Comprehensive amateur radio software suite including logging, digital modes, satellite tracking, and rig control. Popular choice for serious operators.

Components:
  • Logbook
  • Rig control
  • Digital modes
Advanced:
  • Contest support
  • QSL management
  • Awards tracking
Visit Website
FREE
EZNEC - Antenna Modeling

Popular antenna modeling software for amateur radio antenna design and analysis. Helps optimize antenna performance and predict radiation patterns.

Analysis:
  • Radiation patterns
  • SWR analysis
  • Impedance plots
Design:
  • Antenna optimization
  • Array modeling
  • Ground effects
Visit Website

Need Additional Resources?

Can't find what you're looking for? W5OBM members have access to additional resources and can request specific materials. Contact us for personalized assistance with your amateur radio projects and learning needs.

Resources updated regularly | Safe, verified downloads | Member support available