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2. Signal strength and readability report - Wikipedia

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

   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 radio station equipment. These report ...

3. Plain language radio checks - Wikipedia

   en.wikipedia.org/wiki/Plain_language_radio_checks

   A plain-language radio check is the means of requesting and giving a signal strength and readability report for radiotelephony (voice) communications, and is the direct equivalent to the QSA and QRK code used to give the same report in radiotelegraph communications.

4. SINPO code - Wikipedia

   en.wikipedia.org/wiki/SINPO_code

   33433 – This indicates a signal which is moderately strong, but has more interference, and therefore deterioration of the received signal. Generally, a SINPO with a code number starting with a 2 or lower would not be worth reporting, unless there is no noise, interference or loss of propagation, since it would be likely the signal would be ...

5. R-S-T system - Wikipedia

   en.wikipedia.org/wiki/R-S-T_system

   S-Meter (ICOM IC-732 HF Transceiver) The R-S-T system is used by amateur radio operators, shortwave listeners, and other radio hobbyists to exchange information about the quality of a radio signal being received. The code is a three digit number, with one digit each for conveying an assessment of the signal's readability, strength, and tone.

6. Amateur radio propagation beacon - Wikipedia

   en.wikipedia.org/wiki/Amateur_radio_propagation...

   IARU Region 1 is encouraging individual beacons to move to 50.4 MHz to 50.5 MHz. [4] [5] In the United States, the Federal Communications Commission (FCC) only permits unattended 6-meter beacon stations to operate between 50.060 and 50.080 MHz. [6] Amateur beacons at 50 MHz have also been used as signal sources for academic propagation research [7]

7. NOAA Weather Radio - Wikipedia

   en.wikipedia.org/wiki/NOAA_Weather_Radio

   NOAA Weather Radio (NWR), also known as NOAA Weather Radio All Hazards, is an automated 24-hour network of VHF FM weather radio stations in the United States which broadcast weather information directly from a nearby National Weather Service office. Its routine programming cycle includes local or regional weather forecasts, synopsis, climate ...

8. Weather radio - Wikipedia

   en.wikipedia.org/wiki/Weather_radio

   NOAA Weather Radio (NWR; also known as NOAA Weather Radio All Hazards) is an automated 24-hour network of more than 1,000 radio stations [20] in the United States that broadcast weather information directly from a nearby National Weather Service office. A complete broadcast cycle lasts about 3 to 8 minutes long, featuring weather forecasts and ...

9. WSPR (amateur radio software) - Wikipedia

   en.wikipedia.org/wiki/WSPR_(amateur_radio_software)

   The standard message is <callsign> + <4 character locator> + <dBm transmit power>; for example “K1ABC FN20 37” is a signal from station K1ABC in Maidenhead grid cell “FN20”, sending 37 dBm, or about 5.0 W (legal limit for 630 m). Messages with a compound callsign and/or 6 digit locator use a two-transmission sequence.