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  2. dBrn - Wikipedia

    en.wikipedia.org/wiki/DBrn

    The symbol dBrn or dB(rn) is an abbreviation for decibels above reference noise.. Weighted noise power in dB is referred to 1.0 picowatt.Thus, 0 dBrn = -90 dBm.Use of 144 line, 144-receiver, or C-message weighting, or flat weighting, can be indicated in parentheses.

  3. Reference noise - Wikipedia

    en.wikipedia.org/wiki/Reference_noise

    Many different levels with a number of different weightings are in current use, and care must be taken to ensure that the proper parameters are stated. Specific ones include: dBa , dBa(F1A), dBa(HA1), dBa0, dBm , dBm(psoph), dBm0 , dBrn , dBrnC , dBrnC0, dBrn(f 1 -f 2 ), dBrn(144-line), dBx.

  4. International vehicle registration code - Wikipedia

    en.wikipedia.org/wiki/International_vehicle...

    The plate was required to be affixed to the rear of the vehicle, separate from the number plate displaying the vehicle's national registration mark. The 1909 convention only allowed distinctive marks to be of one or two Latin letters. [7]

  5. Canadian Registration Number - Wikipedia

    en.wikipedia.org/wiki/Canadian_Registration_Number

    Beginning January 1, 2020 design reviews conducted by provinces and territories in Canada will be mutually recognized by those jurisdictions participating in the Reconciliation Agreement for the Canadian Registration Number (CRN) for Pressure Equipment. With a single design review being conducted, the system is becoming more streamlined and ...

  6. Telephone numbers in Canada - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Canada

    The Government of Canada's Translation Bureau recommends using hyphens between groups; e.g. 250-555-0199. [4] Using the format specified by the International Telecommunication Union (ITU) in Recommendation E.164 for telephone numbers, a Canadian number is written as +1NPANXXXXXX, with no spaces, hyphens, or other characters; e.g. +12505550199.

  7. Comparison of alphabetic country codes - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_alphabetic...

    The last column indicates the number of codes present followed by letters to indicate which codes are present (O for Olympic, F for FIFA, and I for ISO) and dashes when a code is absent; capital letters indicate codes which match; lower case letters indicate codes which differ. [1]

  8. Noise (electronics) - Wikipedia

    en.wikipedia.org/wiki/Noise_(electronics)

    Examples of electrical noise-level measurement units are dBu, dBm0, dBrn, dBrnC, and dBrn(f 1 − f 2), dBrn(144-line). Noise may also be characterized by its probability distribution and noise spectral density N 0 (f) in watts per hertz. A noise signal is typically considered as a linear addition to a useful information signal.

  9. Canadian licence plate designs and serial formats - Wikipedia

    en.wikipedia.org/wiki/Canadian_licence_plate...

    Embossed red serial on reflective white plate with curved gold and sky blue bands at the top; screened provincial wordmark (red galley graphic with small blue waves and "New" to the left, "Nouveau" to the right and "Brunswick" and "CANADA" below, all in green) on bands, centred above serial