Argo float data can be retrieved on the Coriolis ftp site .
All the BGC Argo and ARVOR floats that have been all successfully deployed can be found here .
search for "tonga" to display the position of the floats, the following screen will allow to localize the floats and the profiles
WMO id of Argo floats deployed during TONGA
All the trajectories and present position of the 20 buoys deployed during TONGA can be found on the CORIOLIS web site.
Position of buoys as recorded on March 4, 2020