What does RSVP stand for?

Please Call Back - International telex abbreviation (WDMC)

Radiation Spectral Visual Data Distribution (IAA)

Radiation Spectral Visual Photometer

Random Signal Vibration Protector (PDAA)

Rapid Sampling Vertical Profiler - Oceanography

Rapid Sequential Visual Presentation (DIPS)

Rapid Serial Visual Presentation - Computer science

Relational Structure Vertex Processor (PDAA)

Remote Spooling Vector Processor (SAUS)

Repondez, s'Il Vous Plait - The Favor of an Answer is Requested - French

Report Service Very Prompt (SAUS)

Reports Scenario Verification Program - Military technology (DDF)

Research Selected Vote Profile - Election poll

Research-Selected Vote Profile (SAUS)

Research Society for Victorian Periodicals (EA)

Reservation Protocol - Computer science (IGQR)

Resource Reservation Protocol - Computer science

Resource Reservation Setup Protocol (SAUS)

Respond Soon for Verification Please - Internet lingo (NETL)

Response Segmentation and Validation Program - Donnelley Marketing InformationServices - Information service or system (IID)

Response System with Variable Prescription (SAUS)

Response System with Variable Prescriptions (EDAC)

Restartable Solid Variable Pulse - Motor (MCD)

Retired Senior Volunteer Program (EA)

Revolutionary Surrealist Vandal Party

Ride Shared Vehicle Paratransit - Transportation system

Rotating Surveillance Vehicle Platform - Military (MCD)

Rural Southern Voice for Peace - An association (EA)