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diff --git a/APTK/aptk.sav b/APTK/aptk.sav
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diff --git a/APTK/egm96_global.dat b/APTK/egm96_global.dat
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diff --git a/APTK/egm96_global.hdr b/APTK/egm96_global.hdr
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--- /dev/null
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+ENVI
+description = {
+  File Imported into ENVI.}
+samples = 1440
+lines   = 721
+bands   = 1
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+interleave = bsq
+sensor type = Unknown
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+wavelength units = Unknown