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  2. Los Angeles Police Department resources - Wikipedia

    en.wikipedia.org/wiki/Los_Angeles_Police...

    Their radio code always ends in Lincoln-10 (e.g., the watch commander at division 6 or Hollywood Area station is always 6-L-10). The watch commander is responsible for the geographic area (e.g. "Southwest Area") and reports to the area patrol captain I.

  3. Procedure word - Wikipedia

    en.wikipedia.org/wiki/Procedure_word

    Download QR code; Wikidata item; Print/export Download as PDF; ... "5 by 5" is an older term used to assess radio signals, as in 5 out of 5 units for both signal ...

  4. Morse code - Wikipedia

    en.wikipedia.org/wiki/Morse_code

    Chart of the Morse code 26 letters and 10 numerals [1]. This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur [2]. Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs.

  5. Amateur radio frequency allocations - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_frequency...

    The 2015 ITU World Radiocommunication Conference (WRC-15) approved a new worldwide frequency allocation of 5.351.55.366.5 MHz to the amateurs on a secondary basis. The allocation limits amateur stations to 15 watts effective isotropic radiated power (EIRP); however some locations will be permit up to 25 W EIRP .

  6. Radiotelephony procedure - Wikipedia

    en.wikipedia.org/wiki/Radiotelephony_procedure

    Radio call signs are a globally unique identifier assigned to all stations that are required to obtain a license in order to emit RF energy. The identifiers consist of from 3 to 9 letters and digits, and while the basic format of the call signs are specified by the ITU-R Radio Regulations, Article 19, Identification of stations, [5] the details are left up to each country's radio licensing ...

  7. Wireless Communications of the German Army in World War II

    en.wikipedia.org/wiki/Wireless_Communications_of...

    Fug 21: A 0.1 - 10 MHz receiver paired with a 2.5 - 7.5 MHz transmitter. Fug 24: A 0.1 - 7.1 MHz receiver paired with a 3 - 7.5 MHz transmitter. Fug 25: A 2.5 - 27.5 MHz receiver paired with a 3 - 16.6 MHz transmitter. FuSpr.a: A high-band HF transceiver. It operated in the 24.1 to 25 MHz (24100 to 25000 kHz) frequency range with a transmission ...

  8. SINPO code - Wikipedia

    en.wikipedia.org/wiki/SINPO_code

    SINPFEMO code consists of the SINPO code plus the addition of three letters to describe additional features of radiotelephony transmissions. These codes are defined by Recommendation ITU-R Sm.1135, SINPO and SINPFEMO codes. [1] SINPO code is most frequently used in reception reports written by shortwave listeners. Each letter of the code stands ...

  9. Z code - Wikipedia

    en.wikipedia.org/wiki/Z_code

    Z Code (like Q Code and X Code) is a set of operating signals used in CW, TTY and RTTY radio communication. Distinct versions