Radio Horizon FAQ

Find answers to your questions about the Ham Clock, DX tracking, UTC time, and other Radio Horizon features.

What is a Ham Clock?

A ham clock is a specialized tool used by amateur radio operators to track UTC time, DX spots, and grayline propagation. It helps operators know the best time for making global radio contacts. Radio Horizon offers a free, online ham clock for all radio enthusiasts.

How Does the Ham Clock on Radio Horizon Work?

The ham clock on Radio Horizon displays the current UTC time, grayline propagation, and band conditions. It updates in real-time and offers tools to track DX spots and plan HF communications.

Why Do Ham Radio Operators Use a Ham Clock?

Ham radio operators use a ham clock to sync their operations with UTC (Coordinated Universal Time). It helps them track global propagation, monitor grayline effects, and make timely DX contacts.

Can I Use Radio Horizon’s Ham Clock on My Mobile Phone?

Yes! The ham clock on Radio Horizon is mobile-friendly and works on any modern smartphone, tablet, or computer. Simply visit radiohorizon.tech to access it.

Is Radio Horizon's Ham Clock Free to Use?

Yes, Radio Horizon’s ham clock is completely free to use. There’s no need for downloads or installations — simply access it directly from your web browser.