FLC EXPERIENCE A STUCK MIKE COM PROB RESULTING IN LOST COM FOR APPROX 7 MINS.

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FROM APPROX 200 TO 145 MI NW OF VULCAN; WE EXPERIENCED AN INABILITY TO COMMUNICATE WITH ZME ON 118.62 WHICH APPEARED TO BE CAUSED BY A STUCK MIKE ON FREQ. AFTER REALIZING THAT THIS CONDITION WAS NOT GOING TO CLR UP; WE CHOSE THE FIRST FREQ ON THE BACK OF THE ENRTE CHART TO REGAIN CONTACT WITH CTR. THAT FREQ TURNED OUT TO BE NASHVILLE APCH. IT TOOK SEVERAL REFERRAL FREQS BEFORE WE REGAINED CONTACT. IMMEDIATELY PRIOR TO CONTACT WITH NASHVILLE (AT APPROX 145 MI NW OF VUZ) WE WERE ALERTED BY TCASII OF AN ACFT PASSING R TO L OF OUR COURSE AT THE SAME ALT. WE MADE VISUAL CONTACT AND WATCHED AS IT PASSED APPROX 4 MI IN FRONT OF US. UPON CONTACT WITH CTR; WE WERE TOLD TO TURN TO A HDG OF 180 DEGS FOR TFC. THIS WAS FOLLOWED BY AN ON COURSE HDG AFTER WE TOLD THEM WE HAD THE TFC VISUALLY. (TFC WAS WELL CLR OF OUR PATH.) COMMENTS: CAPT PICKED THE FIRST FREQ FOR ZME FROM THE BACK OF THE ENRTE CHART. THIS WAS NOT A ZME FREQ. MORE DELAY WAS EXPERIENCED WHILE WE WERE RTED FROM ONE FREQ TO ANOTHER BEFORE FINALLY REGAINING CONTACT. I KNOW OF NO SPECIFIC PROCS FOR A STUCK MIKE ON YOUR FREQ. USUALLY THE CONDITION CLRS UP QUICKLY. DURING THIS ENTIRE PERIOD; 118.62 WAS UNUSABLE. WE ELECTED; EARLY ON; TO SWITCH FREQS AND REGAIN CONTACT ON ANOTHER FREQ. TCASII IS A GREAT SYS.