Lab599 TX-500MP: Getting Started

November 10, 2025 Julian OH8STN 0

The Lab599 TX-500MP is built for real-world field work, not the shack. It’s tough, efficient, and ready for off-grid communications when it matters most. With the BP-550 battery pack and LiNK500MP, it becomes a self-contained HF and data station that just works, wherever you deploy it. Here’s everything you need to know to get started.

HF Propagation predictions

February 11, 2024 Julian OH8STN 2

An amateur radio operator explores how detailed weather data could predict HF band openings, leveraging temperature, pressure, and historical contact information while considering the impact of cold on equipment conductivity.