scalloping


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scalloping

[′skäl·ə·piŋ]
(geology)
A sedimentary structure superficially resembling an oscillation ripple mark, and having a concave side that is always oriented toward the top of the bed. Also known as scallop.
(navigation)
Cyclical variations in the apparent guidance path generated by a four-course radio range or instrument landing system, at speeds greater than can be followed by the vehicle.

scalloping

A VOR (very high frequency omnidirectional radio-range) bearing error caused by the distortion of propagation over uneven terrain. It is often evidenced by a rhythmic swaying of the left or right VOR needle. Also called the bends.
References in periodicals archive ?
On opening day of scalloping seasons, you'll likely see hundreds of boats departing port and gathering over scallop-infested flats that have been scouted by locals in the weeks leading up to the harvest.
The lane scalloping is maddening to motorists, who must merge in and out of lanes and see traffic slow down at each bottleneck, and is also a drawback in attracting economic development.
However a WAG spokeswoman said the bulk of scalloping tends to take place in offshore areas which the Westminster Government - not the fisheries committee - is supposed to regulate.
The installation of engines in scalloping boats could be considered as a "revolution" in the fishery, because they greatly enhanced the operations of the catboats.
Afterward, sloops were phased out of scalloping, but catboats continued to dredge under sail into the 1920's.
Entire coastal communities rely on the visitors that scalloping attracts over the brief summer season to support them through much of the calendar year.
Any coverage of Big Bend scalloping should include a few words about safety and courtesy.
890'W have been good recently, but the scalloping up north has been better.
A summertime scalloping trip to Florida's Big Bend coast is an excellent opportunity to get family and friends together for a fun day on the water.
Before you set sail on your scalloping adventure, pay attention to a few rules--some official, some just based on common sense.