DSET ^vbias1_hdvar.dat

options big_endian sequential
TITLE twodvar
UNDEF   -1111.
XDEF 192 LINEAR    1.00   1.00
YDEF  13 LINEAR    1.00   1.00
ZDEF  1 LINEAR    1.00   1.00
TDEF  1 LINEAR 0Z23may1992 24hr
VARS 1
bias      1 99 bias
ENDVARS