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Chapter 3 Radar Safety
Radio-Frequency    Hazards

Fire Controlman Volume 02-Fire Control Radar Fundamentals
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This  section  briefly  discusses  the  primary  adverse affects   of   electromagnetic   radiation   on   material   and personnel   and   the   programs   designed   to   minimize those   effects. HAZARDS   OF   ELECTROMAGNETIC RADIATION   TO   ORDNANCE During   on-loading   or   off-loading   of   ammunition, there  is  a  danger  that  RF  electromagnetic  fields  could accidentally  activate  electro-explosive  devices  (EEDs) or  electrically  initiated  ordnance.  This  is  a  very  real hazard  to  the  ordnance,  the  ship,  and  the  crew.  The Hazards   of   Electromagnetic   Radiation   to   Ordnance (HERO)  Program  was  developed  to  control  these types  of  situations. When  HERO  is  set,  it  usually  requires  that  radars be  secured.  When  you  are  in  port  and  must  conduct any   radar   maintenance   requiring   rotating   the   antenna or  radiating,  always  coordinate  your  actions  with  your base   operations   department   via   the   command   duty officer   (CDO). HERO  conditions  anywhere  in  the  area  could  be affected   by   your   radar.   Even   if   you   just   want   to radiate   a   short   period   for   an   operational   test,   check with  the  officer  of  the  day  (OOD)  or  the  CDO  first. Table  3-1  (an  example  of  tables  found  in  NAV- SEA  OP  3565,  volume  II,  part  1)  identifies  ordnance hazards   associated   with   common   electronic   equip- ment. Table 3-1.—Exposure to Main Beam Radiation of Shipboard and Shore Station Equipment 3-2






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