Frequently Asked Questions

What is HDF4? What is HDF5? What is HDF-EOS? How does it differ from standard HDF?   What is the Earth Observing System (EOS)?   What versions of HDF and HDF-EOS are available and how are they different?   Why did NASA choose HDF-EOS as the format for data products from the EOS instruments?

HDF-EOS Forum

How can I join a forum?

How can I (un)subscribe a forum by e-mail?

Other FAQs

NASA's HDF-EOS FAQ

NASA's SDP Toolkit FAQ

HDF4 FAQ

HDF5 FAQ

Last modified: 04/06/2010