GA SMA ENTERED AND TKOF ON RWY AT UNCONTROLLED ARPT CAUSING SMA ON APCH TO GO AROUND. THIS FOLLOWED BY UNAUTH PENETRATION OF TCA.

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AN EAA SPONSORED AIR SHOW WAS SCHEDULED FOR A WEEKEND IN 6/88. I SPENT FROM XA30 AM UNTIL XH25 PM IN 6/88 VIEWING VINTAGE LIGHT ACFT (ON STATIC DISPLAY AND MAKING FLY-BYS) AFTER HAVING LANDED AT DENTON ARPT IN MY OWN ACFT AT XA25 AM. I LEFT MY ACFT PARKED AMONG THE MANY FLY-INS AFTER LOCKING; ALL VALUABLES IN THE BAGGAGE COMPARTMENT (INCLUDING THE ACFT HAND HELD MIC). WHEN I DEPARTED MY TIE DOWN SPOT; I INADVERTENTLY PLUGGED THE HAND HELD MIC INTO AN INOP JACK IN THE NAV RADIO PANEL. I WAITED IN LINE FOR TKOF FOR ABOUT 15 MINS WHILE OTHER ACFT AWAITING TKOF DEPARTED BTWN FLY-BYS AND LNDG ACFT. WHEN I WAS #1 FOR TKOF I ANNOUNCED ON UNICOM THAT I WAS TAKING THE ACTIVE RWY FOR DEP ON THE DUTY RWY. AT THAT TIME THERE WAS AN ACFT ON BASE LEG WHICH APPEARED TO BE A VINTAGE LIGHT ACFT; GIVING ME THE IMPRESSION THAT I COULD SAFELY EXECUTE A ROLLING TKOF AND NOT INTERFERE WITH THE LNDG TFC. IT SEEMS THAT THE ACFT ON BASE WAS FASTER THAN I HAD ANTICIPATED; OR WAS IN THE PROCESS OF EXECUTING A LOW PASS; SINCE HE APPEARED ABOVE ME AND OFF MY RIGHT WING SHORTLY AFTER I LIFTED OFF. I HAD APPARENTLY CAUSED HIM TO GO AROUND; AND THE PLT OF THE ACFT SAID SO ON UNICOM FREQ IN A VERY STEAMED TONE OF VOICE. HE ASKED ON UNICOM IF ANYONE HAD GOTTEN MY NUMBER. ANOTHER VOICE CAME UP ON UNICOM AND GAVE HIM A TELEPHONE NUMBER TO CALL FOR MY NUMBER; WHICH LEADS ME TO BELIEVE THE PLT OF THE ACFT THAT MADE THE GO AROUND INTENDED TO TURN ME IN. IT WASN'T UNTIL I CALLED THE TWR AT MY HOME BASE THAT I REALIZED MY MIC WAS NOT WORKING IN THE JACK I HAD PLUGGED IT INTO AND THAT NO ONE HAD HEARD MY BROADCASTS ABOUT TAKING THE RWY AT DENTON AND DEP DUE TO MY MIC NOT OPERATING. AS I LISTENED TO COMMENTS ON UNICOM ABOUT CUTTING SOMEONE OUT OF THE LNDG PATTERN (AFTER TAKING OFF AT DENTON) I TURNED OUT TO THE SE AND CLBED TO 3500' BEFORE REALIZING I WAS STILL AT THE FAR N OF THE DFW TCA AND 3000' WAS MY MAX ALT. I DSNDED TO 3000' IMMEDIATELY; REALIZING I'D LET MYSELF GET DISTRACTED. IT WAS LATER THAT I ALSO REALIZED THAT 6 1/2 HRS IN THE TX SUN LOOKING AT AIRPLANES AT DENTON ARPT HAD LEFT ME SUFFERING FROM A MILD CASE OF SUNSTROKE AND DEHYDRATION; AND UNDOUBTEDLY AFFECTED MY JUDGEMENT OF DISTANCE AND INTERVAL WHICH RESULTED IN MY TAKING OFF IN FRONT OF LNDG TFC.