Proposals should be submitted using the "NorthStar for LOFAR" proposal submission tool.
For the preparation of your proposal, please consult the short "Walk Through" manual of NorthStar [PDF file].
When preparing the proposal, proposers can use the LOFAR Tools shown in this section, for example the "LOFAR Data Volume Calculator"
Further questions can be addressed to the ASTRON SDC Operations Group by opening a helpdesk ticket.