Amateur radio Abbreviations and Acronyms

1. ND
   Non-Directional
2. NDDM
   Nonlinear Digital Delta Modulation
3. NERG
   North East Radio Group
4. NERT
   New Era Repeater Technocrats
5. NERW
   NorthEast Radio Watch
6. NM
   Not Modulated
7. NPL
   Normal Power Level
8. NRD
   National Radio Day
9. NRRL
   Norwegian Radio Relay League
10. NRRT
    Newton Amateur Radio Response Team
11. NTS
    National Traffic System
12. OAR
    'ON-AIR-RALLIES'
13. OD
    Omni-Directional
14. OL
    Wife
15. OP
    Overpowered
16. OPARS
    Old Post Amateur Radio Society
17. OQ
    Operator Qualification
18. OQP
    Ohio QSO Party
19. OQP
    Ontario QSO Party
20. ORN
    Omega Radio Network

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