DIY

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

Accessories, DIY, SOTA Alexander Entinger (OE5LXR) 0

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

Accessories, DIY Alexander Entinger (OE5LXR) 0

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

DIY Alexander Entinger (OE5LXR) 4

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.

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