-
Latest Posts
← More Headlines
The ELF Network: The untold story
December 23, 2021 | RalphThe ELF Network: The untold story Copyright (c) 2021 by Ralph Iden, All rights reserved.
Author’s note: In the late 1960’s, the U.S. Navy proposed Project Sanguine that would use extremely low frequencies (70-80 Hz) for communication. It was an … Read More
My Dream DXpedition
December 25, 2020 | RalphMy Dream DXpedition as told to Ralph, WB9ICFCopyright (c) 2020 by Ralph Iden, All rights reserved.Part 1I have been looking forward to this trip for a long time. By all accounts, this year has been one for the books. At … Read More
Wolf River Coil TIA Enhancement
January 23, 2019 | RalphWoke up this morning and found my photo background covered with snow. Shoveled a bit and took this photo of my modified Wolf River Coil Take-It-Along kit with a dual collar.
The kit ships with three 32′ radials with … Read More
Raspberry Pi Slides from RARA presentation
October 12, 2018 | Ralph | 3 CommentsThis evening, I presented “An Introduction to the Raspberry Pi” to a group of radio amateurs from the Rockford Amateur Radio Association. It was great to get together with this group again and a good time was had by all. … Read More
Celebrating one year back in the hobby…
August 7, 2018 | RalphToday marks my one year anniversary of my return to amateur radio. To celebrate, I presented a talk on the Raspberry Pi to our local radio club, the McHenry County Wireless Association. As promised, I am uploading my slide deck, … Read More
Arduino, Raspberrry PI, or any SPI enabled device: Speak Now!
April 25, 2018 | RalphI happened across an interesting Kickstarter project, BIG BUDDY TALKER , an inexpensive way to add natural sounding speech to your next project. It features more than 1000 sounds (visit the Kickstarter to see the current list of words) that … Read More
SEI
- Modeling DevSecOps to Protect the Pipeline June 13, 2022 Timothy Chick, Joe Yankel
- Probably Dont Rely on EPSS Yet June 6, 2022 Jonathan Spring
- SecOps Field Notes: Challenges of Assessing International SOC Teams During a Global Pandemic May 30, 2022 Christopher Rodman
New from Sparkfun
- SparkFun Thing Plus Dual-Port Logging Shield (DEV-19217) June 16, 2022
- SMD LED - RGB WS2812 (Whole Reel) (COM-20175) June 16, 2022
- SparkFun LoRaSerial Kit - 915MHz (WRL-19311) June 14, 2022