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The NASA/GSFC network is currently experiencing intermittent issues that affect our services. We are working on it and apologize for the inconvenience.
The offline tool hark (also on github) can be used to find and download data from the cloud.

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writefits

write information about the current fit and errors to a FITS file

Tcl script to dump a lot of useful information to a FITS file.

Syntax: writefits <FITS filename>

This script writes filenames, free parameter values and errors to one row of a FITS file. The error command should have been run on all the free parameters before running this script. If the FITS file already exists then a new row is appended.