U.S. SECRET SERVICE PRESIDENT SECURITY FREQUENCYS MHZ. CHANNEL USAGE --- ------- ----- 32.230 ABLE WHITE COMM AGENCY (CROWN) 166.5125 ALPHA ESCORT & SECURITY 165.7875 BAKER PRES./VP/VIP ESCORTS 165.375 CHARLIE NATIONWIDE PRIMARY, COMMAND POST COORDINATION 169.925 DELTA WHCA VANS, PHONES PATCHES 407.850 ECHO PHONE PATCH UPLINK PAIRED WITH 415.700 IN AIRCRAFT 415.700 FOXTROT PHONE PATCH DOWNLINK PAIRED WITH 407.850 ON GROUND 165.7625 GOLF INPUT TO 165.375 REPEATERS 166.2125 HOTEL PRES./VP PROTECTION 407.925 INDIA TREAUSRY SECURITY FORCE (PRES./VP PROTECTION) 170.000 JULIET CAMP DAVID, PAGER 167.825 KILO WHCA STAFF 168.7875 LIMA WHCA STAFF 165.2125 MIKE FOREIGN/DOMESTIC DIGNITARIES PROTECTION 167.025 NOVEMBER WHCA STAFF 164.8875 OSCAR PRES. LOMO. & EXECUTIVE FAMILY 166.400 PAPA COUNTERFEIT DIVISION, PRES./VP PROTECTION 166.700 QUEBEC WHCA STAFF 166.400 ROMEO INPUT TO 166.4625 REPEATERS 166.5125 SIERRA PRES./VP PROTECTION, PAGERS 164.650 TANGO PRES./VP PROTECTION UNIFORM 164.100 VICTOR PRES./VP PROTECTION 167.025 WHISKEY PAGERS 166.4625 X-RAY TREASURY COMMON CHANNEL (SS/ATF/CUSTOMS/IRS) 162.6875 YANKEE PHONE PATCH UPLINK PAIRED WITH 171.2875 IN AIRCRAFT 171.2875 ZULU PHONE PATCH DOWNLINK PAIRED WITH 162.6875 ON GROUND