According to how you describe yourself (in your post above), affirming all of TULIP would seem to label you more Calvinistic than Reformed. See Josh's post above for a good definition of Reformed.

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Ryan Barnhart - Pastor of OGBC
Husband to a beautiful wife, Father to two beautiful girls
"But by the grace of God I am what I am." I Corinthians 15:10

"I confess to you, that if I can but live and die serving the Lord Jesus, it will make no difference to me whether I am eaten by Cannibals or by worms. And in the Great Day my Resurrection body will rise as fair as yours in the likeness of our risen Redeemer." - John Paton