• DIY Headset for Icom Radios Pt 2

    I poked around on the Internet looking for a schematic for the HM-219 hand mic. Believe me, Icom didn’t make…

  • DIY Headset for Icom Radios Pt 1

    This amateur radio hobby can be quite expensive. I’ve tried to be patient and frugal, and it has paid off.…

  • DSTAR on the IC-9700 External Terminal Mode

    There are multiple ways to set up and use DSTAR on the IC-9700, each with pros and cons. The Terminal…

  • Ford’s Pro Power Onboard

    If you find yourself in the market for a new pickup truck, and you have more than a passing interest…

  • Fire By Any Means Necessary

    In a survival situation, you have to prioritize your effort and get the most urgent and important things going. At…

  • 12v Battery Charger Review

    I needed a new battery charger for my deep cycle AGM battery pack I showed in a previous post. I…

  • Custom Azimuthal Maps

    Remember when you were a kid and every map you saw showed that Greenland and Antarctica were massive bodies of…

  • Reflection and Loss

    Recently, I have posted back to back about maximizing power at the antenna, and about characteristic impedance. These conversations have…

  • What is 50 ohm impedance?

    There are many different types of 50 ohm coax. Some thick, some thin, some rigid, some flexible. They also vary…

  • Maximizing Power at the Antenna

    QUESTION: How can we maximize power from the transceiver out through the antenna? ANSWER: Somehow, match the impedances at the…

  • Building My Hamshack Part 5

    Now that I have a plan for my shack layout and the stations I will have, it’s time to begin…

  • Building My Hamshack Part 4

    One of the great things about having a clean slate is the freedom to build exactly what you want. After…