Amateur radio Abbreviations and Acronyms

1. SMARC
   Southwest Missouri Amateur Radio Club
2. SNIR
   Signal-To-Noise Ratio
3. SNR
   Signal-To-Noise Ratio
4. SOL
   Squelch
5. SOS
   Send Out Signal
6. SOSB
   Single Operator Single Band
7. SPK
   Speaker
8. SPKR
   Speaker
9. SPLAT
   Signal Propagation Loss and Terrain
10. SQ
    Sound Quality
11. SQ
    Squelch
12. SQL
    Squelch
13. SQU
    Squelch
14. SR
    Short Repeat
15. SR
    Standard Radio
16. SS
    Signal Strength
17. SS
    Single Sideband
18. SSB
    Single Sideband
19. SSBSC
    Single-Sideband Suppressed Carrier
20. SSN
    Sun Spot Number

Last updated: May 6, 2025 — Total entries: 840