DIY

Sota Antennas #1: Multi-Band Inverted-Vee Trapped Dipole


Article about my primary SOTA antenna which is a multi-band (20/30/40) inverted-vee trapped dipole with over 100 successful activations.

Micro Build Report: Hardrock HF-50 HF Amplifier


This micro build report describes my impressions of the build and operational usage of the HobbyPCB Hardrock HF-50 HF amplifier.

How to build a diode voltage reduction adapter for your LiPo


Learn how to build a diode voltage reduction adapter for reducing battery voltage of your LiPo battery pack to a safe level for your radio.