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  2. Signal strength and readability report - Wikipedia

    en.wikipedia.org/wiki/Signal_strength_and...

    Signal strength and readability report. A signal strength and readability report is a standardized format for reporting the strength of the radio signal and the readability (quality) of the radiotelephone (voice) or radiotelegraph (Morse code) signal transmitted by another station as received at the reporting station's location and by their ...

  3. ping (networking utility) - Wikipedia

    en.wikipedia.org/wiki/Ping_(networking_utility)

    ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available for virtually all operating systems that have networking capability, including most embedded network administration software. Ping measures the round-trip time for messages sent from the ...

  4. Hugs and kisses - Wikipedia

    en.wikipedia.org/wiki/Hugs_and_kisses

    Nothing more is known about the origins of x and o meaning 'hugs' or 'kisses'. A 2014 article in The Washington Post that drew on interviews with scholars noted that "the Internet abounds with origin theories" yet that "there is no definitive answer to how a cross came to mean a kiss" and even that "less is known about how 'o' came to signify a ...

  5. Spectral sensitivity - Wikipedia

    en.wikipedia.org/wiki/Spectral_sensitivity

    For X-ray films, the spectral sensitivity is chosen to be appropriate to the phosphors that respond to X-rays, rather than being related to human vision. In sensor systems, where the output is easily quantified, the responsivity can be extended to be wavelength dependent, incorporating the spectral sensitivity.

  6. Compose and send emails in AOL Mail - AOL Help

    help.aol.com/articles/aol-mail-compose-and-contacts

    On the top of the message, click the Reply icon (reply to 1 sender), or the Reply All icon (reply to everyone on the email thread). 3. Type your response. 4. Click Send.

  7. Search and rescue transponder - Wikipedia

    en.wikipedia.org/wiki/Search_and_rescue_transponder

    A SART will only respond to a 9 GHz X-band (3 cm wavelength) radar. It will not be seen on S-band (10 cm) or other radar. Shipboard Global Maritime Distress Safety System (GMDSS) include one or more search and rescue locating devices. The radar-SART may be triggered by any X-band radar within a range of approximately 8 nautical miles (15 ...

  8. X mark - Wikipedia

    en.wikipedia.org/wiki/X_mark

    An x mark marking the spot of the wrecked Whydah Gally in Cape Cod. An X mark (also known as an ex mark or a cross mark or simply an X or ex or a cross) is used to indicate the concept of negation (for example "no, this has not been verified", "no, that is not the correct answer" or "no, I do not agree") as well as an indicator (for example, in election ballot papers or in maps as an x-marks ...

  9. Response bias - Wikipedia

    en.wikipedia.org/wiki/Response_bias

    Response bias is a general term for a wide range of tendencies for participants to respond inaccurately or falsely to questions. These biases are prevalent in research involving participant self-report, such as structured interviews or surveys. [1] Response biases can have a large impact on the validity of questionnaires or surveys.