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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    When a racon receives a radar pulse, it responds with a signal on the same frequency which puts an image on the radar display. This takes the form of a short line of dots and dashes forming a Morse character radiating away from the location of the beacon on the normal plan position indicator radar display. The length of the line usually ...

  3. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    5. GreatPeopleSearch. GreatPeopleSearch is a user-friendly free reverse phone number lookup site that provides searchers with fast and accurate results. It draws on publicly available national ...

  4. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/19-dangerous-scam-phone-numbers...

    Here are examples of three of the most common scams out there today and how to block these spam calls. 1. One-Ring Scams. Scammers use one-ring scams to get you, the victim, to call back. The ...

  5. Reverse telephone directory - Wikipedia

    en.wikipedia.org/wiki/Reverse_telephone_directory

    A reverse telephone directory (also known as a gray pages directory, criss-cross directory or reverse phone lookup) is a collection of telephone numbers and associated customer details. However, unlike a standard telephone directory, where the user uses customer's details (such as name and address) in order to retrieve the telephone number of ...

  6. Directory assistance - Wikipedia

    en.wikipedia.org/wiki/Directory_assistance

    In the U.S., directory assistance for companies with toll-free "800 numbers" (with area codes 800, 833, 844, 855, 866, 877, and 888) was available from toll-free directory assistance, reachable by dialing 1-800-555-1212, for many decades until it was discontinued in 2020. [citation needed] Toll-free directory assistance was provided by ...

  7. US police agencies have been using a low-cost surveillance ...

    www.engadget.com/us-police-agencies-low-cost...

    Fri, Sep 2, 2022 · 3 min read. Tim Robberts via Getty Images. Police and law enforcement agencies, even in small areas with fewer than 100,000 residents, have been using a low-cost phone tracking ...

  8. T-Mobile's 'Scam Shield' offers free caller ID and spam call ...

    www.engadget.com/t-mobile-scam-shield-robocall...

    Instead, they can use Sprint’s Call Screener app and service, which is now free instead of $2.99 per month. That will unlock free caller ID and spam blocking on Sprint’s network. Meanwhile, T ...

  9. Hacks turn Square's reader into a card-stealing machine (updated)

    www.engadget.com/2015-08-03-square-reader-card...

    Square is helping to lead the way with our own card readers for chip cards and contactless payments. "Any card reader on the market can be deconstructed. The chip could be crushed and then ...