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 PUBLIC  NOTICE  Federal  Communications  Commission  445  12th  St.,  S.  W.  Washington,  D.  C.  20554  News  Media  Information  202  /  418-  0500  Fax-  On-  Demand  202  /  418-  2830  TTY  202  /  418-  2555  Internet:  http://  www.  fcc.  gov 
 ftp.  fcc.  gov 
 DA  01-  171 
 January  24,  2001 


 Comments  Requested  on  Test  Data  Submitted  by  the  National  Telecommunications  and  Information 
 Administration  Regarding  Potential  Interference  from  Ultra-  Wideband  Transmission  Systems  (ET 
 Docket  No.  98-  153) 


 On  January  18,  2001,  the  National  Telecommunications  and  Information  Administration  (NTIA)  released 
 two  reports  containing  analyses  of  data  it  collected  regarding  the  potential  for  ultra-  wideband  (UWB) 
 transmission  systems  to  cause  harmful  interference  to  U.  S.  Government  radio  operations  between  400  MHz 
 and  6000  MHz.  These  reports  are  entitled  “Assessment  of  Compatibility  between  Ultrawideband  Devices 
 and  Selected  Federal  Systems,”  NTIA  Special  Publication  01-  43,  and  “The  Temporal  and  Spectral 
 Characteristics  of  Ultrawideband  Signals,”  NTIA  Report  01-  383.  Copies  of  these  documents  can  be  found 
 on  the  Commission’s  Electronic  Comment  Filing  System  (ECFS)  at  www.  fcc.  gov/  e-  file/  ecfs.  html  and  on 
 NTIA’s  web  sites  at  www.  ntia.  doc.  gov/  osmhome/  reports/  uwb/  uwb.  pdf  and  www.  its.  bldrdoc.  gov/  pub/  ntia-rpt/ 
 o1-  383/,  respectively. 


 Comments  on  these  NTIA  reports  shall  be  filed  by  no  later  than  February  23,  2001.  Replies  to  the 
 comments  shall  be  filed  no  later  than  March  12,  2001.  Comments  and  replies  are  to  be  filed  with  the 
 Commission  following  the  same  procedures  applicable  to  the  Notice  of  Proposed  Rule  Making  in  this 
 proceeding,  ET  Docket  No.  98-  153.  Paper  copies  may  be  filed  with  the  Commission’s  Secretary,  Magalie 
 Roman  Salas,  Office  of  the  Secretary,  Federal  Communications  Commission,  445  12  th  Street,  S.  W.,  TW-A325, 
 Washington,  D.  C.  20554.  Electronic  copies  may  be  filed  at  www.  fcc.  gov/  e-  file/  ecfs.  html.  The  full 
 text  of  these  reports,  along  with  comments  and  reply  comments,  will  be  available  on  the  ECFS  and  at  the 
 FCC  Reference  Center,  Room  TW-  A306,  445  12  th  Street,  S.  W.,  Washington,  D.  C.  20554. 


 We  note  that  these  reports  do  not  encompass  study  of  potential  interference  to  Global  Positioning  Systems 
 (GPS).  NTIA  and  other  parties  have  indicated  that  further  test  data  and  analyses  of  UWB  to  GPS 
 interference  will  be  submitted  to  the  Commission  in  the  near  future.  We  will  issue  a  Public  Notice  seeking 
 comment  on  those  reports  when  they  have  been  filed  with  the  Commission. 


 By  the  Acting  Chief,  Office  of  Engineering  and  Technology 
 Office  of  Engineering  and  Technology  contact:  John  A.  Reed  at  (202)  418-  2455,  jreed@  fcc.  gov. 
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