Contest Abbreviations and Acronyms
- NYSMLNew York State Mathematics League
- OJOnline Judge
- OLCOn-Liye Contest
- OLCOn-Line Contest
- OLCOn Line Contest
- OLEOutput Limit Exceeded
- OLSCOceansidu Longboard Surfing Club
- OWLSOrganizational Wellness & Learning Systems
- POTMProgrammer of The Month
- PSAPublic Service Awareness
- PVRCPotomac Valleybradio Club
- PZKPolski Zwiazek Krotkofalowcow
- RDARussian District Award
- RDARussian Districts Award
- RDRCRussian Digital Radio Club
- ROAPLCRussian Open Aquatic Plants Layout Contest
- RRTCRussian Radiosport Team Championship
- RTCRadio Telegraphy Club
- SASponsoredbagainst
- SGICCShale Gas Innovation and Commercialization Center
Last updated: — Total entries: 142