Here is a description of the changes for each revision.

 

Revision     Revision Date    Description
A             11/2/06               Production Release
B             11/28/06             Added GA 35 antenna information and corrected wire gauge for main connector power.
C             4/5/07                 Incorporated customer feedback.
D             10/1/07               Incorporated main software version 3.00 and GPS/WAAS software version 3.0.

**Added GA 36, GA 3 and several other non-Garmin antennas.

**Changed GPS antenna cable loss requirements.

**Added interface interconnects to equipment,
     including several autopilots, Century AK 1081 GPSS converter,
     ACK Technologies altitude encoder and Avidyne PFD/MFD.
**Added GPS vertical guidance display for EFIS 40/50.

**Added COM remote discrete.

 

>>>>>>>>>>>>

 

Note that software version 3 allowed the 430W to be a sole navigation source - with or without radar.  It works for me as the vertical guidance is a beautiful thing.

 

Grayhawk