AN INCOMPLETE CLRNC; WITHOUT XPONDER CODE OR DEP FREQUENCY. CLRNC WAS ISSUED AND A TAKE OFF WAS MADE WITHOUT HAVING COMPLETED ALL PREPARATION.

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WE RECEIVED OUR CLRNC BEFORE DEP FROM MORRISTOWN. WE WERE GIVEN THE MORRISTOWN FOUR DEP. I READ THE CLRNC BACK BUT DID NOT REALIZE; AT THE TIME; THAT I WAS NOT GIVEN A SQUAWK CODE OR A DEP FREQUENCY. WHILE I WAS DOING THE RUN UP AND PREPARING FOR DEP IN THE HOLD BLOCK; WE WERE GIVEN CLRNC FOR TAKEOFF. I WAS NOT FINISHED WITH MY TAKEOFF PREPARATIONS AND SHOULD HAVE INFORMED THE TWR THAT WE WERE UNABLE. INSTEAD OF THIS I FELT RUSHED AND TOOK THE RWY FOR DEP. UPON TAKEOFF THE TWR GAVE ME A HEADING TO FLY AND TOLD ME TO CONTACT DEP. AT THIS POINT I REALIZED THAT I DID NOT HAVE THE DEP FREQUENCY. MORRISTOWN TWR GAVE ME THE DEPARTURE FREQUENCY. I CONTACTED DEP AND FLEW THE ASSIGNED HDG. WHEN I CONTACTED DEP THEY ASKED WHERE I DEPARTED. I TOLD THEM AND GAVE ALT AND HDG. AT THIS TIME I REALIZED THAT WE HAD A PROB. THE CTR GAVE A SQUAWK CODE; ALT; AND HEADING. AFTER THIS POINT; EVERYTHING SEEMED TO BE FINE. THE ENTIRE PROB SHOULD HAVE BEEN AVOIDED. I SHOULD HAVE NOT TAKEN THE RWY UNTIL WE WERE 100 PERCENT READY. I ALSO FEEL THAT MORRISTOWN TWR DID A POOR JOB GIVING CLRNC; AND VERIFYING MY READBACK. I GAINED EXPERIENCE WITH THIS SIT AND IT WILL HELP ME TO BE MORE CAUTIOUS ABOUT CLRNC VERIFICATION.