A PLT RPTS 8 ARPTS WITHIN 75 MI ON CTAF FREQ 123.00 AND 14 ARPTS WITHIN 100 MI ON FREQ 122.80 IN THE STATE OF MD.

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PRESENTLY; I AM A HELICOPTER PLT FLYING THE HELICOPTER DURING MEDEVAC; SEARCH AND RESCUE AND LAW ENFORCEMENT MISSIONS. I HAVE BEEN FLYING AT FREDERICK; MD; FOR 6+ YRS. I HAVE FLYING FOR 20+ YRS. MD IS A RATHER SMALL STATE. THERE ARE EIGHT SMALL ARPTS INCLUDING FREDERICK CITY ARPT THAT USE 123.00 FOR CTAF. THERE ARE 14 SMALL ARPTS IN MD THAT USE 122.80 FOR CTAF. WITH THE PWR OF TODAY'S ACFT RADIOS A PLT USING 123.00 OR 122.80 IN MD BETTER GIVE HIS LOCATION (WHICH ARPT HE IS AT) WITH EVERY RADIO TRANSMISSION MADE. WHY DOES THE FAA OR FCC ASSIGN THE SAME CTAF FREQ'S SO CLOSE TOGETHER? IS THERE ANYTHING I CAN DO TO GET BETTER FREQ (CTAF) SEPARATION IN MD? ON A NICE WEEKEND IF THERE ARE 3 ACFT AT EACH OF THE ARPTS THAT USE 123.00 OR 122.80 CTAF IN THE PATTERN THEN 24 PLTS ARE TRANSMITTING ON THE SAME FREQ. EIGHT ARPTS WITHIN 75 NM USING 123.00 CTAF AND FOURTEEN ARPTS WITHIN 100 NM USING 122.80 CTAF IS VERY DANGEROUS AND RESULTS IN EXTEME RADIO CONGESTION AND CONFUSION IN THE TFC PATTERN WHERE MID-AIR COLLISION DANGER IS AT ITS GREATEST.