The phrase "a locator for" is correct and usable in written English.
It can be used when referring to something that helps to identify or find a specific item or location.
Example: "The map serves as a locator for all the historical landmarks in the city."
Alternatives: "a guide to" or "a reference for".
He added a locator for the 72nd Street station on the Nos. 1, 2 and 3 lines: "Broadway @ Amsterdam Avenue".
"The project will use the Notting Hill carnival as a locator for these ideas around history of youth culture, the diaspora that is involved in youth culture today, the tribe mentality that is involved and how people are expressing it," said Davies.
It also offers a locator for following the spacecraft along its path toward Pluto, and a countdown clock to check how much time remains down to the second before it sails past the dwarf planet on July 14 , 2015
While in the space drilled into, using the bit as a locator for the wall above or below (as the case may be), select a spot TWO inches "back".
Leaving the restaurant I type "www.besttoilets.com," the Web address for a locator of public restrooms in 11 cities, into the BlackBerry.
Hang something brightly colored on a long stick where your shelter is situated: This serves as a locator point for you, other survivors, and for rescuers.
Receive a Locator object for document events.
It contains a locator map for his museum, and a free entrance ticket.
Outreach workers fill out a locator card for all patients enrolling in the clinical care program.
For the recent debut of its executive sedan, the E-Class, Mercedes-Benz created a Web site equipped with a dealer locator for mobile browsers.
One company, Wherify Wireless, has developed a personal locator for children that looks like a big, colourful watch.
