direction marker

direction marker

direction marker
direction markerclick for a larger image
An example of directional antenna, in this case a dipole. The radiation pattern is shown in a plane containing radiating element.
An airway marker located on the ground used to give visual direction to an aircraft. It consists of one arrow indicating true north and others indicating the name and the state of the nearest town.
References in periodicals archive ?
So the events of February 1795 were not only a clean and sudden break with the past, but a direction marker for the future.
The mosaic direction marker at Federal Square, installed as a prototype two years ago - designed by one of the artists involved in the underpass proposal, Ms.
time travellers Giles Proctor (left) of English Heritage and Stan Driver of Kirklees Council with a stone direction marker on New Hey Road, Scammonden
Timmy Murphy, Marcus Foley and Mark Nicolls had their bans reduced to 10 days for ignoring a direction marker, while Paddy Brennan, will now sit out racing for three days for failing to pull up.
They found the fence attendants had pointed the direction marker to the wrong side after dolling off the third last hurdle in the Prince Of Wales Stand Conference Novices' Hurdle.
Long recognized in Inuit society as a kind of Arctic compass, the stones are placed in a manner to resemble a human figure and provide a trail direction marker for hunters on the barren Arctic tundra.
The chief innovation involves the removal of the single black and yellow chevron direction marker, placed in the top of a fence or hurdle.
At the inquiry, the jockeys admitted they had gone the wrong way and disobeyed the direction marker and gone round the outside.
The Rule at the centre of yesterday's fracas is Rule 152, headed "The Race", and subsection (v) (b) which states: "Where cones are deployed right across the front of the obstacle to indicate that it is unsafe to jump and a direction marker has also been inserted in such obstacles, riders must proceed around that obstacle as indicated by the direction marker and shall then continue in the race and follow the correctly marked course.
So, in simple terms, if direction markers are placed in a fence or hurdle the obstacle must not be jumped.
The course badly needs some direction markers, or at least a map on the back of the score card.
It is the removal of the direction markers that is hard to fathom, still less to defend.
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