If tough, dried-out roast beef haunts you in your dreams, you know the importance of not overcooking meat. The more beef cooks, the less succulent it becomes; quality declines most quickly past medium, or an internal temperature of 145 degrees Fahrenheit. That's the temperature recommended by the U.S. Department of Agriculture, but for juicy, rare roast beef, you can't cook it that much.
Automatic Packet Reporting System (APRS) is a digital communications system that uses packet radio technology to transmit information and text messages over amateur radio.
The Amateur Radio population in the US has continued to show steady growth. As of the end of 2013, the FCC database showed 717,201 licenses in its Universal Licensing System (ULS). Thatâs the greatest number of US hams ever and up from 709,575 in December 2012.