U.S. SECRET SERVICE                         PRESIDENT SECURITY FREQUENCYSMHZ.        CHANNEL       USAGE---         -------       -----32.230      ABLE          WHITE COMM AGENCY (CROWN)166.5125    ALPHA         ESCORT & SECURITY165.7875    BAKER         PRES./VP/VIP ESCORTS165.375     CHARLIE       NATIONWIDE PRIMARY, COMMAND POST COORDINATION169.925     DELTA         WHCA VANS, PHONES PATCHES407.850     ECHO          PHONE PATCH UPLINK PAIRED WITH 415.700 IN AIRCRAFT415.700     FOXTROT       PHONE PATCH DOWNLINK PAIRED WITH 407.850 ON GROUND165.7625    GOLF          INPUT TO 165.375 REPEATERS166.2125    HOTEL         PRES./VP PROTECTION407.925     INDIA         TREAUSRY SECURITY FORCE (PRES./VP PROTECTION)170.000     JULIET        CAMP DAVID, PAGER167.825     KILO          WHCA STAFF168.7875    LIMA          WHCA STAFF165.2125    MIKE          FOREIGN/DOMESTIC DIGNITARIES PROTECTION167.025     NOVEMBER      WHCA STAFF164.8875    OSCAR         PRES. LOMO. & EXECUTIVE FAMILY166.400     PAPA          COUNTERFEIT DIVISION, PRES./VP PROTECTION166.700     QUEBEC        WHCA STAFF166.400     ROMEO         INPUT TO 166.4625 REPEATERS166.5125    SIERRA        PRES./VP PROTECTION, PAGERS164.650     TANGO         PRES./VP PROTECTION            UNIFORM164.100     VICTOR        PRES./VP PROTECTION167.025     WHISKEY       PAGERS166.4625    X-RAY         TREASURY COMMON CHANNEL (SS/ATF/CUSTOMS/IRS)162.6875    YANKEE        PHONE PATCH UPLINK PAIRED WITH 171.2875 IN AIRCRAFT171.2875    ZULU          PHONE PATCH DOWNLINK PAIRED WITH 162.6875 ON GROUND