Reference

All functions
qa_cache_dir()	Get or set the directory used to cache Quantarctica data
qa_dataset()	Retrieve details of a Quantarctica data set
qa_datasets()	Available Quantarctica data sets
qa_get()	Fetch a Quantarctica data set
qa_is_cached()	Has a dataset been downloaded to the local cache?
qa_mirror()	Get or set the Quantarctica download mirror site to use
qa_mirrors()	A list of Quantarctic mirror sites