What does arp stand for?

Arapaho - MARC language code - Library of Congress (LCCP)

Abrasion-Resistant Print Coating - for plastic laminates - Nevamar

Absolute Refractory Period

Accept Response (IAA)

Account Reconciliation Plan

Accrued Rights Premium (MARI)

Acquisition Requirements Package (MLEX)

Acreage Reduction Program - Department of Agriculture (GFGA)

Acres, Roods, Perches - Land measurement - British (ROG)

Actinide Removal Process - Used to removed hazardous waste

Active Recording Program (SAA)

Active Rest Point (IAA)

Activity Request Packet (SAUS)

Additive Rapid Prototyping - Engineering design

Addressing Resolution Protocol - Communications term (DCT)

Address Register Position (SAUS)

Address Resolution Protocol - Telecommunications (BYTE)

Address Resolution Protocols - Used in automated highway systems (GFSC)

Adiabatic Rapid Passage - Physics

Adjustable-Rate Preferred Stock (MHDB)

Adjustable Rear Plate - Air conditioning systems - Automotive engineering

Adress Resolution Protocol (SAUS)

Adult Retraining Program

Advanced Radiation Projectile (TIMI)

Advanced Reentry Program - Aerospace

Advanced Research Program - National Institute on Alcohol Abuse and Alcoholism (RCD)

Advanced Research Projects

Advanced Routing Protocol (CIST)

Advisory Review Panel

Aerial Radiation Pattern (SAUS)

Aerial Rotation Period (SAUS)

Aerodrome Reference Point - Aviation (PIAV)

Aeronautical - or Aerospace Recommended Practice

Aeronautical Recommened Practice (SAUS)

Aero Rifle Platoon - Military (VNW)

Aerospace Recommened Practice (SAUS)

Aerospace Reference Project - Formerly, ATP - Library of Congress

After Receipt of Proposal

Age Replacement Policy (PDAA)

Agree en Relations Publiques - Canada (DD)

Airborne RADAR Platform - Air Force

Aircraft Recommended Practice (DNAB)

Aircraft Reference Point

Aircrew Respiratory Protection

Airport Reference Point

Airports - Public-performance tariff class - British

Air Raid Precautions - British - World War II

Air Raid Protection (NATG)

Air Refueling Probe

Air Report - Aviation

Albanian Republican Party - Partia Republikane Shqiptare - Political party (EY)

Alcohol Rehabilitation Program - Medicine (EDAA)

Alternativa Revolucionaria del Pueblo - Bolivia - Political party (EY)

Alternative Release Procedure (SAUS)

Alternative Release Procedures (MCD)

Alternator Research Package

Altitude Reconnaissance Probe (MUGU)

American Registry of Pathologists

American Registry of Pathology (EA)

American Relief for Poland - Defunct (EA)

Ammunition Refilling Point

Ammunition Resupply Projectile - Military

Analogous Random Process (PDAA)

Analytical Rework Program - Navy (NG)

Angle-Resolved Photoemission (MCD)

Animal Resources Program - Bethesda, MD - Department of Health and Human Services (GRD)

Annual Review of Progress

Annunciator Response Procedure - Nuclear energy (NRCH)

Antarctic Research Program (SAUO)

Antenna Radiation Pattern

Anthropology Research Project - A Department of Defense-sponsored project (LDOE)

Antilles Research Program - Yale University

Antiradiation Projectile

Anti Radiation Projectiles (ACAE)

Anti-Revolutionaire Partij - Evangelische Volkspartij - Antirevolutionary Party - Netherlands - Political party (PPW)

Applied Research Programme (SAUO)

Aragip - Papua New Guinea - Airport symbol (OAG)

Arapaho - Language code (ETLW)

Arapahoe Park - Horse racing entrants (HRTC)

Archaeology Research Program - Southern Methodist University - Research center (RCD)

Arctic Red Resources - Vancouver Stock Exchange symbol

Area Redevelopment Program

Argonne Reactor Physics - AEC (PDAA)

Argyle Robertson Pupil (SAUS)

Arizona Public Services - NYSE symbol (SPSG)

Arkansas Glass Industries, Arkadelphia, AR - Manufacturer code for watercraft hull identification number (USCG)

Armament Recording Program - Military

Armament Release Panel (DNAB)

Army Research Plan

Arpeggio - Music

Arriola - NCIC firearms make code (NCIC)

Asian Reinsurance Pool (SAUO)

Asparagine-Rich Protein (DB)

As-Run Procedure - Military (MCD)

Assimilation Regulatory Protein - Medicine (DMAA)

Assisted Rental Program - Canada

Associated Reformed Presbyterian

Association for Realistic Philosophy - Defunct (EA)

Association of Retired Persons International - Later, IARP

Associative Reward Penalty

Atlantic Regional Panel (SAUS)

At Risk Period (MAE)

At Risk Provision (DICI)

Attack Reference Point

Australian Reptile Park (SAUS)

Autofocus RADAR Projector

Automated Route Planning

Automatic Recovery Process (MCD)

Automatic Relative Plotter (IAA)

Automatic Reporting Post - Air defense - NATO (NATG)

Automation and Robotics Panel

Avalanche Resonance Pumped (SAUS)

Azimuth Reference Pulse (SAUS)

Azimuth Relative Pulse (SAUS)

Azimuth Reset Pulse

Societe d'Exploitation Aeropostale - France - ICAO designator (FAAC)

Ariprandus - Flourished, 12th century - Authority cited in pre-1607 legal work (DSA)

Arpeggio - Record label - Italy