DCUSND Versions

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added logic to recover properly when wind group is missing from tropopause data section
changed source code to reflect changes in underlying NAWIPS software.

removed obsolete call to uerror from dcusnd.c
modified uahylv.f to check heights of certain neighboring levels before using in computation of height value.

replaced old cloud base height mnemonic CBAS with HBLCS and replaced rivals array element cbas with hblc
replaced variable wspdu with rivals array element tiwm (type of instrument for wind measurement)
in uaprht.f, changed height range for 700 mb
in uastid.f, changed to allow up to 8 characters in station ID
in uarpd1.f, added code to decode '51515' regional practice data only if found in Part B of a Region 6 report
in ua101g.f and uadtac.f, commented out call to uahyck.f.


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