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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...

  3. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.

  4. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    The sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted.

  5. How to make sense of Logitech's universal remote lineup

    www.engadget.com/logitech-harmony-universal...

    There’s a 1.5-inch color LCD screen toward the top, which automatically turns on when you pick up the remote. On the screen you can toggle between controlling individual devices, or a suite of ...

  6. The iPhone's new parental controls can limit who kids can ...

    techcrunch.com/2019/12/10/apples-new-parental...

    With the release of iOS 13.3, parents will for the first time be able to set limits over who kids can talk to and text with during certain hours of the day. These limits will apply across phone ...

  7. Amazon launches Alexa Print, a way to print lists, recipes ...

    techcrunch.com/2020/09/10/amazon-launches-alexa...

    Amazon today announced a new Alexa-enabled printing feature that lets Echo device owners use voice commands to print out common items, like their Alexa to-do lists, recipes, weekly calendars ...

  8. List of electronic color code mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_electronic_color...

    List of electronic color code mnemonics. Mnemonics are used to help memorize the electronic color codes for resistors. Mnemonics describing specific and relatable scenarios are more memorable than abstract phrases.

  9. IATA delay codes - Wikipedia

    en.wikipedia.org/wiki/IATA_delay_codes

    IATA delay codes were created to standardise the reporting by airlines of commercial flight departure delays. Previously, every airline had its own system, which made the sharing and aggregation of flight delay information difficult.

  10. List of ray tracing software - Wikipedia

    en.wikipedia.org/wiki/List_of_ray_tracing_software

    List of ray tracing software. Ray tracing is a technique that can generate near photo-realistic computer images. A wide range of free software and commercial software is available for producing these images. This article lists notable ray-tracing software. Software.

  11. ANSI device numbers - Wikipedia

    en.wikipedia.org/wiki/ANSI_device_numbers

    List of device numbers and acronyms. 1 - Master Element. 2 - Time-delay Starting or Closing Relay. 3 - Checking or Interlocking Relay, complete Sequence. 4 - Master Protective. 5 - Stopping Device, Emergency Stop Switch. 6 - Starting Circuit Breaker.