game played under NCAA rules with broadcast media timeouts at first opportunity under 16, 12, 8 and 4 minute marks. If the first called timeout of the second half is only for bringing in subs, does it automatically become a full timeout like a "normal" 30 sec timeout would?

Not following you. What's a timeout that's "only for bringing in subs?"

The first dead ball after the marked time, that's not a FT, results in the TV TO. It's called automatically, without regard to any subs.

I'm sure one of our many D1 guys can correct me if I'm wrong. ;)

For answer see Rule 5, Section 10

The answer depends on which type of media is being used.
For TV, Article 4-a-1 says the first timeout called shall be of a length determined by the electronic media agreement. Why timeout called does not matter.

For Radio/ internet only Art 4-b-1 says the timeout shall be 75 seconds or longer as determined by the electronic media agreement.

Shortened timeouts are permitted by Article 4h but the parenthesis forbids the "first" timeout in second half to be shortened. Any other "team called" timeout mey be shortened and depending on reason a different method is to be used to resume play.

If shortened for substitution only the warning signal is sounded upon notification and play is resumed immediately after subs are made (Art 4-h-2)

If shortened for any other reason the warning signal is to be sounded and play will resume 15 seconds later after final horn sounded (Art 4-h-1)

Tony, NCAA allows the requesting team to shorten the TO if it's ready to play before the end of the 75 seconds. The "sub only" TO is an extreme example of this. The coach requests a TO, when recongnized by the official, the coach then gives the traveling signal. This indicates that the coach simply wants the dead ball in order to bring a sub into the game. In this case, players are not allowed to return to benches. The sub is admitted and play resumes immediately.

I honestly don't know the answer to the original poster's question, although I'll guess "yes, it is lengthened". Now I have to go dig through my rulebook.

IIRC, this was a question on this year's NCAAW exam -- I think the answer was that it was lengthened.

So...does this mean we might be seeing you on TV anytime soon? :)

Not likely :D

Just remember - we often refer to them as TV timeouts, but radio (or even internet streaming play-by-play voice) can use them, too.

Is it the first called/granted timeout of the half? YU.P.

Therefore, you stop play for the media timeout.