An Oregon man’s digital TV was unplugged for sending out RF on the International Distress Frequency of 121.5 MHz, according to Newsday.com.
Hmm. How could that happen? To answer that, you’ll need to check out this entry in Strata Chalup’s LiveJournal, where techno-geeks discuss harmonics and CCIR frequencies and things like that.
It’s fun reading, and we’re likely to see more of these TV sets crying “help” as digital TV becomes more commonplace. But the National Oceanic and Atmospheric Administration (NOAA) has said that as of 2009, it will stop monitoring 121.5 MHz in favor of a new digital system running at 407 MHz. And that will be a costly upgrade for most aircraft owners.
Our best illustrations of 2022
Our artists’ thought-provoking, playful creations bring our stories to life, often saying more with an image than words ever could.
How CRISPR is making farmed animals bigger, stronger, and healthier
These gene-edited fish, pigs, and other animals could soon be on the menu.
The Download: the Saudi sci-fi megacity, and sleeping babies’ brains
10 Breakthrough Technologies 2023
Get the latest updates from
MIT Technology Review
Discover special offers, top stories, upcoming events, and more.