Years	Decal	Shell	Mask	Stripes L to R	Stripe Width	Mini
?-1965-?	large red? "T" and small  red? "T" verically aligned, both have white ol?	black?	gray	none
?-1970-1974-?*	large red "T" and small  red "T" verically aligned, both have black ol	white	gray	black/ white/ red/ white/ black	3/8"- 1/4"- 1/2"- 1/4" -3/8"
?-1979	large red "T" and small  red "T" verically aligned, both have white ol	black	gray	white/ red/ white	3/8"- 1/2"- 3/8"
1980-1984-?**	large red "T" and small  red "T" verically aligned, both have white ol	black	red	white/ red/ white	3/8"- 1/2"- 3/8"	T
?-1987-1992	large red"T" and small  red "T" verically aligned, both have white ol	black	black	white/ red/ white	1/4"- 1/2"- 1/4"
1993-1999	large red"T" and small  red "T" verically aligned, both have white ol	black	black	none		S, RR, T
2000	large, 3D, red, black "T" and small, 3D, red, black "T" verically aligned, both T's have white ol, then all has black, white ol	black	black	none
2001	large, 3D, red, black "T" and small, 3D, red, black "T" verically aligned, both T's have white ol	black	black	none		S, RR

* The white gaps varied on this version anywhere from 1/4" to 3/8".
** A variant decal exists for this version (shown below) which has a solid white blocks between the T's

Texas Tech 1970	Texas Tech 1980	Variant Decal  Texas Tech 1980	Texas Tech 1991
Texas Tech 1997	Texas Tech 2000	Texas Tech 2001