What does PRN stand for?

Greenville, AL - Location identifier - FAA (FAAL)

Packet Radio Network - Telecommunications (OSI)

Pahrock Range - Nevada - Seismograph station code, US Geological Survey (SEIS)

Paragon - NCIC firearms make code (NCIC)

Park Reverse Neutral - Automotive engineering

Partido de la Resistencia Nicaraguense - Political party (EY)

Partido de la Revolucion Nacional - Party of the National Revolution - Bolivia - Political party (PPW)

Partido de Reconstrucao Nacional - Brazil - Political party (EY)

Partido Republicano Nacional - National Republican Party - Costa Rica - Political party

Parts Requirement Notice (KSC)

Party of National Reconstruction (Brazil) - Political party (PSAP)

Peace Research Network - Later, PSA (EA)

Peace RES Network (EA)

Periodic-Random Noise (SAUS)

Pesticide Registration Notice (EEVL)

Physicians Radio Network

Polyradiculoneuropathy - Medicine (DB)

Post-Rotatory Nystagmus (SAUS)

Practice Notes of the Australian Broadcasting Tribunal (SAUS)

Prasuni - Language code (ETLW)

Preference Rating Number (SAUS)

Previous Result Negative (IAA)

Pridie Nonas - The Day before the Nones - Latin

Princess Air - British - ICAO designator (FAAC)

Printer - Computer science

Print Numerically (DEN)

Prison - GeoNet geographic features code (GEON)

Prison - Telegraphy (PCTE)

Pristina - Former Yugoslavia - Airport symbol (OAG)

PR Newswire - PR Newswire, Inc. - Information service or system (IID)

Procurement Reallocation Notice

Program Release Notice - NASA (NASA)

Program Revision Number (SAUS)

Prominent Resources Corp. - Vancouver Stock Exchange symbol

Pronasale - Anatomy

Pro Re Nata - Whenever Necessary - Pharmacy

Prout USA - NCIC boat manufacturer code (NCIC)

Pseudo Random Noise (SAUS)

Pseudorandom Noise

Pseudorandom Number

Pseudo-Rustler-Noise (SAUS)

Puerto Rican Cement - NYSE symbol

Puerto Rican Cement Co., Inc. - NYSE symbol (SPSG)

Pulse Ranging Navigation

Pulse Ranging Network (KSC)

Purchase Request Notice - Banking

Purchase Request Number

As Necessary - Medicine (BCRP)

As Needed - Therapy term (CTAA)