I upgraded to Rev 14.2.1 with existing GPS250 and SIL/SDA set to 1. FAA ADS-B report returned average NIC value of 6 on last flight with range of 6-6 and 100% NIC error.
Prior to the upgrade, NIC value averaged 7 with a range of 7-0. The failure rate was .11% with 3 MCF.
Is the Rev...