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  2. WWV (radio station) - Wikipedia

    en.wikipedia.org/wiki/WWV_(radio_station)

    WWV Transmitter Building (2002 or earlier) WWV's 15 MHz antenna WWV is a shortwave ("high frequency" or HF) radio station, located near Fort Collins, Colorado.It has broadcast a continuous time signal since 1945, and implements United States government frequency standards, with transmitters operating on 2.5, 5, 10, 15, 20, and 25 MHz. [1]

  3. WWVB - Wikipedia

    en.wikipedia.org/wiki/WWVB

    WWVB's Colorado location makes the signal weakest on the U.S. east coast, where urban density also produces considerable interference. In 2009, NIST raised the possibility of adding a second time code transmitter, on the east coast, to improve signal reception there and provide a certain amount of robustness to the overall system should weather or other causes render one transmitter site ...

  4. CHU (radio station) - Wikipedia

    en.wikipedia.org/wiki/CHU_(radio_station)

    Continuous transmission at 90 metres began at the end of 1929, with other wavelengths being used experimentally. Time signals were generated from the observatory's own pendulum clocks. The transmitter oscillators were condenser-tuned and so frequency stability was not high until quartz crystal control was implemented in 1933.

  5. McAfee Multi Access Member Benefit FAQs - AOL Help

    help.aol.com/articles/mcafee-multi-access-member...

    Do you ever think about all the viruses, malware and spyware programs floating around the internet and how easy it is for them to find their way onto your computer? McAfee Multi Access is designed to protect devices from viruses, spyware, hackers and identity thieves through award-winning technology that automatically runs scans and updates so ...

  6. Using McAfee: Features - AOL Help

    help.aol.com/articles/Using-McAfee-Features

    If you disable virus protection, your computer will not be monitored for virus activity. If you must stop virus protection, ensure that you are not connected to the Internet. Note: Non-members or those on the Free AOL plan can subscribe to McAfee Internet Security Suite – Special Edition from AOL for a substantially discounted annual fee.

  7. Norton Security Online | 30-Day Free* Trial | AOL Products

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    Help protect your devices with Norton™ Security Online. Real-time protection against viruses, malware, spyware and cyber threats. Try it free* now!

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