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Motor carriers were required to give drivers 8, rather than 9, consecutive hours off-duty each day. These rules allowed for 10 hours of driving and 8 hours of rest within a 24-hour day. In 1962, for reasons it never clearly explained, the ICC eliminated the 24-hour cycle rule, and reinstated the 15-hour on-duty limit.
Dot-voting (also known as dotmocracy or voting with dots) is an established facilitation method used to describe voting with dot stickers or marks with a marker pen. [3] [4] In dot-voting participants vote on their chosen options using a limited number of stickers or marks with pens — dot stickers being the most common.
The A4A statement adds: “The DOT ancillary rule is a bad solution in search of a problem.” DOT did not immediately respond to a request for comment. For more CNN news and newsletters create an ...
The ephemeris is updated every 2 hours and is sufficiently stable for 4 hours, with provisions for updates every 6 hours or longer in non-nominal conditions. The almanac is updated typically every 24 hours. Additionally, data for a few weeks following is uploaded in case of transmission updates that delay data upload. [citation needed]
Morse code. Morse code is a method used in telecommunication to encode text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs. [3] [4] Morse code is named after Samuel Morse, one of the early developers of the system adopted for electrical telegraphy .
Rule of twelfths. The rule of twelfths is an approximation to a sine curve. It can be used as a rule of thumb for estimating a changing quantity where both the quantity and the steps are easily divisible by 12. Typical uses are predicting the height of the tide or the change in day length over the seasons.
This rule is also used by air traffic controllers to quickly determine how much to turn an aircraft for separation purposes. The rule is based on the small-angle approximation (which states that, for small angles, sin θ ≈ θ, where θ is in radians), along with the fact that one radian (which is about 57.3°) is close to 60°. In reality a 1 ...
New federal certification rules finalized Monday for train dispatchers and signal repairmen will set minimum standards to counteract the investor pressure on railroads to continually cut costs ...