activity meter

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• 1.25-meter band — The 1.25 meter band is a portion of the VHF radio spectrum allocated for amateur radio use in ITU Region 2, comprising frequencies from 222 MHz to 225 MHz in the United States (with the addition of 219–220 MHz on a limited, secondary basis) and… …   Wikipedia

• 6-meter band — The 6 meter band is a portion of the VHF radio spectrum allocated to amateur radio use. Although located in the lower portion of the VHF band, it nonetheless occasionally displays propagation mechanisms characteristic of the HF bands. This… …   Wikipedia

• 80-meter band — The 80 meter or 3.5 MHz band is a core amateur radio frequency band, allocated frequencies from 3.5 to 4.0 MHz in IARU Region 2, and generally 3.5 to 3.8 or 3.9 MHz in Regions 1 and 3 respectively. The portion of the band used for voice… …   Wikipedia

• E-meter — An E meter is an electronic device used as an aid in some forms of Dianetics and Scientology auditing. The device is a variation on an ohmmeter, using a Wheatstone bridge to measure electrical resistance. The device is formally known as the… …   Wikipedia

• Homer Van Meter — Homer Wayne Van Meter (December 3, 1906 ndash; August 23, 1934) was an American criminal and bank robber active in the early 20th century, most notably as a criminal associate of John Dillinger and Baby Face Nelson.BiographyEarly lifeHomer Van… …   Wikipedia

• PH meter — A pH meter is an electronic instrument used to measure the pH (acidity or alkalinity) of a liquid (though special probes are sometimes used to measure the pH of semi solid substances). A typical pH meter consists of a special measuring probe (a… …   Wikipedia

• 2004 and later volcanic activity of Mount St. Helens — The 2004 and later volcanic activity of Mount St. Helens has been documented as a continuous eruption with a gradual extrusion of magma at the Mount St. Helens volcano in Washington, United States. Starting in October 2004 and ceasing in January… …   Wikipedia

• 160-meter band — Just above the mediumwave broadcast band, 160 meters is the lowest radio frequency band allocation available to amateur radio operators in most countries. Seasoned operators often refer to 160 meters as Top Band, it is also sometimes referred to… …   Wikipedia

• 15-meter band — In telecommunications, 15 meters is a shortwave radio band used by amateur radio operators. The band is located at 21 MHz, and almost all countries permit amateur radio activity on the entire band. The 15 meter band was opened to amateurs in the… …   Wikipedia

• Multiphase flow meter — A multiphase flow meter is a device used in the oil and gas industry to measure the individual phase flow rates of petroleum, water and gas mixtures produced during oil production processes. Contents 1 Background 2 Conventional Solutions 3… …   Wikipedia

• DigitalColor Meter — Developer(s) Apple Computer Stable release 4.1 / October 12, 2011 O …   Wikipedia