John Mason
John Mason 1586-1635, founder of New Hampshire , b. England. After serving (1615-21) as governor of Newfoundland, he and Sir Ferdinando Gorges received (1622) a patent from the Council for New England for all the territory lying between the Merrimack and Kennebec rivers. In 1629 they divided the grant, Mason taking as his share an area 60 mi (95 km) deep between the Merrimack and Piscataqua rivers, which he named New Hampshire. This grant was confirmed to him when the Council for New England surrendered its charter in 1635. Attempts by his heirs to make good their claims to this land led to long litigation. The inhabitants were finally compelled to recognize the Mason rights, which were sold (1746) by one of Mason's descendants to a group of 12 Portsmouth men, who became known as the Masonian Proprietors. They issued settlement permits and land titles in the undeveloped parts of Mason's grant. The grant was redefined by the state in 1788.
Bibliography: See J. W. Dean, ed., Captain John Mason (1887, repr. 1972).
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Non-linear echo sounders for high-res sub-bottom profiling
Magazine article from: Sea Technology; 9/1/2003; ; 700+ words
; ...Resolution Echo Sounders There are some...of non-linear echo sounders compared...non-linear echo sounders for high-resolution...performance of these echo sounders. Echo Sounder Parameters There...frequency range * short sound pulses without...Side ...
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The digital depths: echo sounders expand in capabilities, a 5-mile sonar makes it to the market, and sensors are software defined.(Boats & Gear Fishfinders)
Magazine article from: National Fisherman; 7/1/2008; ; 700+ words
; ...time, it's on echo sounders for commercial fishermen...has new sensors and a sounder. Simrad Fisheries...Fisheries ES60, an echo sounder that is good...by working with the echoes transmitted by the...gain setting, new echoes as well as echoes already on the ...
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Maxxed-out fishfinders. (echo sounders)
Magazine article from: Trailer Boats; 8/1/1997; ; 700+ words
; Your echo sounder or fishfinder provides you...because they haven't set the echo sounder's initial gain control...can pick up even the weakest echoes of small baitfish schools...visualize even the weakest echo signals. Another way to maximize...
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Calibrating inverted echo sounders equipped with pressure sensors
Magazine article from: Journal of Atmospheric and Oceanic Technology; 12/1/1998; ; 700+ words
; ...sensor to the inverted echo sounder (IES) has allowed for the...Introduction An inverted echo sounder (IES) is an ocean...measures the time for a 10-kHz sound pulse to travel round-trip...R. Watts, 1984: Inverted echo sounder development. IEEE...Using an array of inverted ...
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International Industries Inc. Sells Line of Echo Sounders to Army Corps
Magazine article from: Sea Technology; 11/1/2008; ; 344 words
; ...Rouge, Louisiana) Echotrac CV3 echo sounder systems to the U.S. Army Corps...This purchase of multiple Odom CV3 echo sounders by USACE, Detroit, is the natural...shows that the Odom CV3 series of echo sounders has come of age in the...
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The bottom line: your chart display and echo sounder can work together to give you access to sea bottom characteristics.
Magazine article from: National Fisherman; 12/1/2006; ; 700+ words
; ...fund of knowledge. Early echo sounders gave us depth, and subsequently we found that sounders could even give an indication...updating from a boat's sounder, and seabed discrimination...systems in the here and now is echo sounder input. This provides...
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New Multibeam Echo Sounder Passes Initial Sea Trails
Magazine article from: Sea Technology; 6/1/2005; ; 457 words
; ...Horten, Norway) latest generation of multibeam echo sounders has passed initial trials onboard the U.K. Royal...versatile multibeam system. The EM 710 multibeam echo sounder is a high to very-high-resolution seabed mapping...
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Estimating mooring motion when the pressure sensors fail: A method emloying inverted echo sounders
Magazine article from: Journal of Atmospheric and Oceanic Technology; 9/1/2002; ; 700+ words
; ...the pressure sensors, measurements from an inverted echo sounder near the current meter mooring can be combined with...impossible. However, in situations where an inverted echo sounder (IES) is located near the mooring (or a coherent...
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The new retro: this month's picks are bringing back that 70s sound.(Music Watch)(Bible Belt)(Swan Feathers)(Echo)(Sound recording review)
Magazine article from: Curve; 10/1/2009; ; 700+ words
; ...You Better Than That" is a personal fave. (rykodisc.com) Echo, Maia Sharp (Crooked Crown): I've covered Maia Sharp in...World" is by far my favorite song on the 12-cut disc. Her sound is more country-blues leaning, like her mentor Raitt, and...
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Tender Notice: National Institute of Ocean Technology Seeks Portable Echo Sounders (India)
News Wire article from: US Fed News Service, Including US State News; 7/16/2009; 315 words
; CHENNAI, India, July 16 -- National Institute of Ocean Technology said it had a requirement for portable echo sounders. Bidding type is a domestic competitive bidding. The tender notice no. is 03/09-10. The last date for the submission...
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echo sounder
Book article from: The Oxford Companion to Ships and the Sea
echo sounder, an instrument based on the principle...emission of the signal and the receipt of the echo off the bottom, the depth of water can be accurately calculated. For multi-beam echo sounders see hydrography: hydrography today .
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echo
Book article from: The Columbia Encyclopedia, Sixth Edition
echo reflection of a sound wave back to its source in...at this temperature for an echo to be heard by a person at...navigate by listening for the echo of their high-frequency cry. Sonar and depth sounders work by analyzing electronically...
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Echoes
Book article from: -Ologies and -Isms
136. Echoes See also 380. SOUND . catacoustics Rare. the branch of acoustics that studies echoes. Also called cataphonics . phonocamptics . Obsolete the branch of physics that studies reflected sounds.
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sound, to
Book article from: The Oxford Companion to Ships and the Sea
sound, to. 1. From the Anglo-Saxon sond , a messenger, to ascertain the depth of the sea under a ship. See echo sounder ; lead line ; sounding machine . 2. Of a whale , to dive deep.
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depth sounder
Book article from: The Oxford Essential Dictionary of the U.S. Military
depth sounder another term for echo sounder.
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