Free Ham Radio Tools & Event Resources
Calculators, calendars, software information, and practical resources to help amateur radio operators plan, build, and get on the air.
U.S. Hamfest Calendar 2026
Find amateur radio conventions, swap meets, club gatherings, and hamfests scheduled across the United States. Events are organized by month for quick planning.
Open the 2026 Hamfest Calendar
Ham Radio Antenna Calculator
HAMANTCAL provides starting dimensions for dipole, vertical, and inverted-V antennas. Use the calculated dimensions as a starting point, then trim and tune the finished antenna in its installed environment.
Ham Intelligent Calculator
A long-running KE2YK resource created to put useful amateur radio calculations within easy reach.
Ham Radio Logging Software
Read about logging applications and other software for POTA, SOTA, Field Day, and everyday amateur radio operation.
More Useful Links
Looking for band conditions, DX tools, contest schedules, frequency allocations, or other trusted resources? Visit the curated Ham Radio Resources page.
These resources are provided for general amateur radio use. Always verify frequencies, band privileges, equipment limits, and safety requirements before operating or constructing a station.
Radio Reviews 