If the VHF seems to constantly be weaker than expected, our first recommendation is to perform a VSWR test on the antenna in question. Per the IFD installation documentation VSWR should be no greater than 2.0:1 at a given frequency. GOOD BAD
IFD-5000i R-9.4.1 NavData...... Do to the increased size of the Jeppesen NavData bases, Avidyne has updated the NavData Storage Location within the IFD-5000i R-9.4.1 Integrated Flight Displays. Prior to R-9.4.1 the NavData was stored on the smaller Memory Chip located on the main Airborne Computing Resource (AC…