Discover Viavi’s IFR-6000, IFR-4000 & AVX-10K: Essential Tools for Avionics Testing 28 May 2025 AvionTEq Blog Explore the Viavi IFR-6000, IFR-4000, and AVX-10K—reliable avionics test sets for transponder, DME, and NAV/COMM testing. Available at AvionTEq with competitive pricing. Buy now. [More] Share