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:format_category_code:

fixed-point
moving-point-2D
moving-point-3D
fixed-profiler
moving-profiler
fixed-map

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:institution_code

usf = University of South Florida
skio = Skidaway Institution of Oceanagraphy
um = University of Miami
unc = University of North Carolina

vos = Voluntary Observing Ship
sk = SeaKeepers
ndbc = National Data Buoy Center
nws = NWS Airport Data
nos = National Ocean Service
usgs = United States Geological Survey

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:instrument_code = ""; 

WP
SK
ASOS/AWAS

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:package_code

metar
met
SK
weatherpak
NGWLMS
IMET
ASIMET

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:platform_code = "";

distinquishing identifier for site or platform
for example, usually standardized if from fed
or usually distinctive to institution

KJAX = Jacksonville Airport
KS011 = Some SeaKeeper Ship
ELWX5 = Explorer of the Seas
R2 = one of the SABSOON towers
SPAG1 = R2 but is NDBC identifier
PAS = one of the USF buoy
C10 = another USF buoy
41009 = NDBC buoy
FBIS1 = NDBC CMAN station

etc...
--------------------------------------------