The .csv column format for importing locations into the app is: Name, Latitude, Longitude, Ellipsoidal height, and Datum.
The lat/lon should be in decimal degrees and negative west, and the ellipsoidal elevation should be in meters.
The 1st/2nd/3rd Columns: Name/Lat/Long are required. Name field needs to have at least 1 letter.
The 4th/5th Columns: Ellipsoidal height/datum are optional.