Thanks to Mike: The Beta UI site now has a dynamic hydrophone node menu as described in the 2019 UI mockup and is set to receive the live audio player and the "I hear something!" button which are currently working and connected to the Heroku "event" database at live beta site
Thanks to Erika: a machine learning pipeline involving AWS Lambda functions and RDS is getting prototyped with planned API for the primary Heroku "event" database, so we are getting closer to integraring machine learning and live spectrograms...