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 annual percentage rate, or APR, is the interest rate charged on the amount borrowed. It reflects the annual cost of borrowing money. APR makes it easier to compare different loans and credit cards, because you can easily see which loan/credit card would be cheaper.