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  2. Digital mobile radio - Wikipedia

    en.wikipedia.org/wiki/Digital_mobile_radio

    Digital mobile radio (DMR) is a digital radio standard for voice and data transmission in non-public radio networks.It was created by the European Telecommunications Standards Institute (ETSI), [1] and is designed to be low-cost and easy to use.

  3. Trunked radio system - Wikipedia

    en.wikipedia.org/wiki/Trunked_radio_system

    1.2 Talkgroups. 1.3 Fleet maps and IDs. ... 3.2 Entry-level. 3.3 Standard. 3.4 ... DMR/dPMR true Tier 3/Mode 3 protocols are intended eventually to migrate into the ...

  4. Differentially methylated region - Wikipedia

    en.wikipedia.org/wiki/Differentially_methylated...

    The “p” refers to the phosphate linker between them. DMR usually involves adjacent sites or a group of sites close together that have different methylation patterns between samples. CpG islands appear to be unmethylated in most of the normal tissues, however, are highly methylated in cancer tissues. [1] There are several different types of ...

  5. List of amateur radio modes - Wikipedia

    en.wikipedia.org/wiki/List_of_amateur_radio_modes

    Morse code is called the original digital mode. Radio telegraphy, designed for machine-to-machine communication is the direct on / off keying of a continuous wave carrier by Morse code symbols, often called amplitude-shift keying or ASK, may be considered to be an amplitude modulated mode of communications, and is rightfully considered the first digital data mode.

  6. S meter - Wikipedia

    en.wikipedia.org/wiki/S_meter

    A third option is to connect the S meter to the AGC line through a suitable level conversion circuit. [1] In FM receivers, the S meter circuit must be connected to the IF chain before any limiter stages. Some specialized integrated circuits for FM reception like CA3089 and CA3189 provide a DC signal to drive a 100 μA S meter. [2]

  7. Carrier-to-noise ratio - Wikipedia

    en.wikipedia.org/wiki/Carrier-to-noise_ratio

    The carrier-to-noise ratio is defined as the ratio of the received modulated carrier signal power C to the received noise power N after the receiver filters: =. When both carrier and noise are measured across the same impedance, this ratio can equivalently be given as:

  8. Discharge Monitoring Report - Wikipedia

    en.wikipedia.org/wiki/Discharge_Monitoring_Report

    A Discharge Monitoring Report (DMR) is a United States regulatory term for a periodic water pollution report prepared by industries, municipalities and other facilities discharging to surface waters. [ 1 ] : 8–14 The facilities collect wastewater samples, conduct chemical and/or biological tests of the samples, and submit reports to a state ...

  9. DMR - Wikipedia

    en.wikipedia.org/wiki/DMR

    DMR is an initialism that may refer to: Biology. Differentially methylated regions, a genomic region that is methylated differentially on each parental allele;