Readme for ALSEP 28s data

The mission, SWS instruments, data analysis applied
to the instrument outputs, and the data products are
extensively discussed in the Caltech report "ALSEP
Solar Wind Spectrometer Plasma  Data as Observed
at the Apollo 12 and 15 Landing Sites" by B.E. Goldstein,
D.R. Clay, C.W. Snyder and M. Neugebauer.  This
report is electronically accessible within NSSDC's Data
Set Catalog at
ftp://nssdcftp.gsfc.nasa.gov/documentation/old_data_doc/all_catalogs/dsc_0218_tif/ 

as files dsc_218_0008.tif through dsc_218_0034.dsc.
(There is one file per page of original document.)

An complementary site for ALSEP/SWS documentation are
is the Planetary Data System site at Washington University.  See
http://pds-geosciences.wustl.edu/lunar01/a12a-l-sws-3-solar-wind-28s-res-v1/a12sw_0001/
http://pds-geosciences.wustl.edu/lunar01/a15a-l-sws-3-solar-wind-28s-res-v1/a15sw_0001/

A subset of the physical parameters in each original 28-s records
was captured from the PDS site at Washington U. to be provided
through the OMNIWeb-Plus and LunaSOX web pages of GSFC/SPDF.
The subset contains proton density, flow speed and direction angles,
thermal speed, and alpha-to-proton density ratio.
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