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What is the difference between an IFR and VFR GPS receiver?

April 26, 2017difference gps receiver IFR VFR

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What is the difference between an IFR and VFR GPS receiver?

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A. The main difference is that Visual Flight Rules (VFR) receivers do not have a FAA-approved method for detecting satellite failures. Instrument Flight Rules (IFR) receivers have a feature known as Receiver Autonomous Integrity Monitoring (RAIM) which can detect bad satellite signals and remove them from the position calculations. IFR receivers usually cost more than VFR receivers due to this advanced capability.