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Category: Amateur Radio

December 25, 2020Amateur Radio, Writing

My Dream DXpedition

My Dream DXpedition as told to Ralph, WB9ICFCopyright (c) 2020 by Ralph Iden, All rights reserved. Part 1 I have been looking […]

January 31, 2019Amateur Radio

QRPGuys CW keyer

Although a Begali or Bencher (now Vibroplex) paddle was on my Christmas list, Santa must have felt that I wasn’t a good […]

January 29, 2019Amateur Radio

Monitor transmitter quality using a RF tap

The uBitX is a popular multi-band QRP transceiver. Preparing to assemble my own 40m uBitX, I wanted a means to monitor the […]

January 23, 2019Amateur Radio

Wolf River Coil TIA Enhancement

Woke up this morning and found my photo background covered with snow. Shoveled a bit and took this photo of my modified […]

October 12, 2018Amateur Radio, Hardware, Software

Raspberry Pi Slides from RARA presentation

This evening, I presented “An Introduction to the Raspberry Pi” to a group of radio amateurs from the Rockford Amateur Radio Association. […]

August 7, 2018Amateur Radio, Hardware, Technology

Celebrating one year back in the hobby…

Today marks my one year anniversary of my return to amateur radio. To celebrate, I presented a talk on the Raspberry Pi […]

Space Weather

Adafruit

  • The Kix atomic bomb ring was real, not dangerous, and we should do it again
  • Inductive Angel Tea Lamp
  • Tiled.art Tessellation Art
  • From Garroting Panic to Instagram: The Victorian Claw Glove
  • Why Are Some Glacial Lakes So Blue?

Software Engineering Institute

  • The Top 10 Blog Posts of 2025
  • Analyzing Partially Encrypted Network Flows with Mid-Encryption
  • Tailoring 9 Zero Trust and Security Principles to Weapon Systems
  • AI-Powered Memory Safety with the Pointer Ownership Model
  • How to Align Security Requirements and Controls to Express System Threats
Copyright © 2006-2026 Ralph Iden, All rights reserved.