Navworx shuts down

[sbrault]

I am not understanding the DUAL OUT set up. The out as I understand it, is either 1090 or 978. I don't think you can do a dual out and pass the performance test? The in of course can be both as I have and it works great. Please explain more about the dual out set up.

The 2020 mandate can be accomplished on either frequency; however, 1090ES is required in some locations, altitudes, air speeds, etc. There is no prohibition against transmitting on both frequencies but most don’t because it is not required. However, if your ADS-B transmission is dependent upon a radar interrogation, having a second (non-dependent) transmitter will help you be seen by aircraft who have receivers, even when operating outside of radar coverage. Also, having two transmitters gives redundancy to protect against single transmitter failure.