You will have issues with connecting any non Stratus ADS-B receiver with the Stratus ESG as the own-ship broadcasts are not included on the antenna feed to the portable. The Stratus devices and ForeFlight have additional hardware and software to overcome this and obtain the own-ship data via a different means. Own-ship data is crucial to determining relative height of targets and to avoid ghosts. So my guess is that weather would work, but traffic would have major issues. I would not recommend you do it and if you did, I would be surprised if you got any support from Appareo or ForeFlight.