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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

  • ADABOX 022 UNBOXING LIVE on Ask an Engineer RIGHT NOW! 12/17/25
  • Studying Infant Motor Development with AI #WearableWednesday
  • Raspberry Pi + Tailscale VPN & exit node setup
  • A festival of LED lights
  • Making a CH32V003 OLED screen oscilloscope

Software Engineering Institute

  • 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
  • From Hype to Adoption: Guiding Organizations in Their AI Journey
Copyright © 2006-2025 Ralph Iden, All rights reserved.