LOSS OF SEPARATION BTWN AN ACR B737 IN A CIRCLE TURN DSNDING TO 6000 FT AND A MIL G4 IN A HOLDING PATTERN AT 7000 FT.

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THE ACFT IN QUESTION ARE ACFT #1 AND ACFT #2. ACFT #2 WAS IN THE HOLD AT OTT AT 7000 FT. ACFT #1 WAS IN 360 DEG TURN AND DSNDING TO 6000 FT BECAUSE IT WAS ONE OF THE FIRST I HAD TO 'SPIN' FOR BWI. BWI DOESN'T TAKE THE HDOF YOU 'SPIN;' PLAIN AND SIMPLE. NOW IT WAS GETTING COMPLICATED. BOTH ACFT HAD TCASII ALTHOUGH I WASN'T AWARE ACFT #2 DID AT THE TIME. I RECOGNIZED A POTENTIAL PROB BTWN THE 2 AND ISSUED A TURN TO ACFT #1. HAD TO CALL IT A COUPLE OF TIMES BECAUSE I THOUGHT THE RADIOS WEREN'T WORKING RIGHT; REALLY THEY WEREN'T. ACFT #1 DENIED THE TURN AND SAYS IT'S CLBING TO AN RA. I TURNED ACFT #2; HAD TO CALL HIM TWICE TO GET THE ACKNOWLEDGEMENT BECAUSE ACFT #1 HAS NOW PUT ME IN A BIND. I HAVE TO TURN SOMEBODY. WE HAD ACFT #1 CALL ON THE PHONE AND THE PLT WAS SATISFIED THAT THERE WAS NO SEPARATION PROB. I NEVER BELIEVED I HAD LOST SEPARATION. NO CONFLICT ALERT WENT OFF. THE PLOT DOESN'T EVEN SHOW IT ACTIVATING. 8 DAYS AFTER THE INCIDENT THEY TAKE MY TICKET BECAUSE IT'S DETERMINED THAT LESS THAN 3 MI WERE BTWN ACFT. REVIEW OF PLOTS AND TAPES REVEAL AN INTERESTING SCENARIO. ALTHOUGH THE CTLR AT BWI DID NOT TAKE THE FIRST HDOF VIA THE ARTS; IT'S HEARD ON THE TAPE THAT HE ACTUALLY VERBALLY TOOK IT. OF COURSE; BECAUSE THE SPEAKER WAS MALFUNCTIONING I NEVER HEARD IT. HAD I NOT STARTED 'SPINNING' THE FIRST ONE THIS WOULD NOT HAVE HAPPENED. EQUIP DID NOT LET ME DO WHAT I'M PAID TO DO. MY TOOLS OF THE TRADE FAILED MISERABLY AND SOMEBODY COULD HAVE GOTTEN HURT. THE PLOT SHOWS THAT 5 SECONDS IS THE DIFFERENCE BTWN HAVING THIS SYS ERROR AND NOT. I'LL BET IT TOOK ME AT LEAST THAT TO TRY AND GET THROUGH TO BOTH PLTS. BAD RADIOS AND OVERREACTIVE ELECTRONICS (TCASII) ARE TO BLAME. I SAW THE SIT AND WAS DESPERATELY TRYING TO CORRECT IT. I'M NOT AFRAID TO ACCEPT RESPONSIBILITY WHEN I'M IN ERROR; HOWEVER; THERE'S A LOT MORE TO THIS THAN JUST I MADE A MISTAKE.