Antenna requirements for the Skytrax200 (ST200), as of 2021: ![][1] Pilots adding the ST200 must ensure they are working with an Avidyne dealer to ensure they have the correct antenna. When adding the AXP340 and the Skytrax200: You must install a sperate antenna for the ST-200. Avidyne does not recommend a Duplex...
R9 Pilot Guide is on avidyne.com select Support, them select Pilot Guide. I would like to understand how best to update the databases. ---- The Data Base Updates are obtained, by subscription, from Jeppesen. Jepp Direct [Sales/JDM] 800-353-2107 You will need an 8GB USB thumb drive formatted to FAT-32 ...