http://www.itu.int/rec/recommendation.asp?parent=R-REC-RA&type=newitemsRecently Posted Recommendationsenmar, 12 déc 2011 09:20:11 GMTbrweb@itu.intwebmaster@itu.intRecommendationshttp://www.itu.int/res/templates/v1.0/images/logo_ituw.gifhttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA&type=products&lang=ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.517-4-200605-I&type=itemsProtection of the radio astronomy service from transmitters operating in adjacent bands<BR/>mer, 02 nov 2010 10:21:27 GMTR-REC-RA.517-4-200605-I!!MSW-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.517-4-200605-I&type=itemsProtection of the radio astronomy service from transmitters operating in adjacent bands<BR/>mer, 02 nov 2010 10:21:27 GMTR-REC-RA.517-4-200605-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.314-10-200306-I&type=itemsPreferred frequency bands for radio astronomical measurements<BR/>mer, 27 jui 2010 09:14:22 GMTR-REC-RA.314-10-200306-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1237-2-201001-I&type=itemsProtection of the radio astronomy service from unwanted emissions resulting from applications of wideband digital modulation<BR/>ven, 11 mar 2010 10:12:33 GMTR-REC-RA.1237-2-201001-I!!MSW-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1237-2-201001-I&type=itemsProtection of the radio astronomy service from unwanted emissions resulting from applications of wideband digital modulation<BR/>ven, 11 mar 2010 10:12:33 GMTR-REC-RA.1237-2-201001-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1860-0-201001-I&type=itemsPreferred frequency bands for radio astronomical measurements in the range 1-3 THz<BR/>jeu, 24 fév 2010 09:56:23 GMTR-REC-RA.1860-0-201001-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1031-2-200706-I&type=itemsProtection of the radio astronomy service in frequency bands shared with other services<BR/>jeu, 03 oct 2007 13:23:40 GMTR-REC-RA.1031-2-200706-I!!ZWD-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1031-2-200706-I&type=itemsProtection of the radio astronomy service in frequency bands shared with other services<BR/>jeu, 03 oct 2007 13:23:40 GMTR-REC-RA.1031-2-200706-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1750-0-200603-I&type=itemsMutual planning between the Earth exploration-satellite service (active) and the radio astronomy service in the 94 GHz and 130 GHz bands<BR/>ven, 02 nov 2006 15:30:18 GMTR-REC-RA.1750-0-200603-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.611-4-200603-I&type=itemsProtection of the radio astronomy service from spurious emissions<BR/>ven, 05 oct 2006 15:42:06 GMTR-REC-RA.611-4-200603-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.769-2-200305-I&type=itemsProtection criteria used for radio astronomical measurements<BR/>sam, 16 avr 2004 07:58:29 GMTR-REC-RA.769-2-200305-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1513-1-200305-I&type=itemsLevels of data loss to radio astronomy observations and percentage-of-time criteria resulting from degradation by interference for frequency bands allocated to the radio astronomy on a primary basis<BR/>jeu, 08 oct 2003 16:16:12 GMTR-REC-RA.1513-1-200305-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.611-3-200306-S&type=items <div class=Section1> <h3><a name=dtitle1>CONTENTS</a></h3> <p class=MsoNormal align=left style='text-align:left'>Annex 1  Interference to the RAS from spurious emissions<br> 1     Protection criteria for the RAS<br> 2     Harmonic and intermodulation interference<br> 3     Unwanted emissions from broadband modulation<br> 4     Interference from satellite transmissions<br>        4.1     GSO satellites<br>        4.2     Non-GSO satellites<br> <br> <br><br></p> </div> sam, 03 oct 2003 10:20:52 GMTR-REC-RA.611-3-200306-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.517-3-200306-S&type=itemsProtection of the radio astronomy services from transmitters operating in adjacent bands<BR/>sam, 03 oct 2003 10:19:32 GMTR-REC-RA.517-3-200306-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.479-5-200305-I&type=itemsProtection of frequencies for radioastronomical measurements in the shielded zone of the Moon<BR/>sam, 03 oct 2003 10:16:29 GMTR-REC-RA.479-5-200305-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1631-0-200305-I&type=itemsReference radio astronomy antenna pattern to be used for compatibility analyses between non-GSO systems and radio astronomy service stations based on the epfd concept<BR/>sam, 12 sep 2003 10:28:09 GMTR-REC-RA.1631-0-200305-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1630-0-200305-I&type=itemsTechnical and operational characteristics of ground-based astronomy systems for use in sharing studies with active services between 10 THz and 1 000 THz<BR/>sam, 12 sep 2003 10:26:10 GMTR-REC-RA.1630-0-200305-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1237-1-200306-S&type=itemsProtection of the radio astronomy service from unwanted emissions resulting from applications of wideband digital modulation<BR/>sam, 12 sep 2003 10:23:33 GMTR-REC-RA.1237-1-200306-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.611-2-199203-S&type=itemsProtection of the radioastronomy service from spurious emissions<BR/>jeu, 07 mai 2003 13:37:19 GMTR-REC-RA.611-2-199203-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.517-2-199203-S&type=itemsProtection of the radioastronomy service from transmitters in adjacent bands<BR/>jeu, 07 mai 2003 13:37:08 GMTR-REC-RA.517-2-199203-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.479-4-199510-S&type=itemsProtection of frequencies for radioastronomical measurements in the shielded zone of the Moon<BR/>jeu, 07 mai 2003 13:36:55 GMTR-REC-RA.479-4-199510-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1513-0-200103-S&type=itemsLevels of data loss to radio astronomy observations and percentage-of-time criteria resulting from degradation by interference for frequency bands allocated to the radio astronomy on a primary basis<BR/>ven, 07 mar 2002 15:22:38 GMTR-REC-RA.1513-0-200103-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.314-9-200202-S&type=itemsPreferred frequency bands for radio astronomical measurements<BR/>ven, 28 fév 2002 13:18:36 GMTR-REC-RA.314-9-200202-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1272-1-200202-I&type=itemsProtection of radio astronomy measurements above 60 GHz from ground based interference<BR/>jeu, 27 fév 2002 13:55:14 GMTR-REC-RA.1272-1-200202-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1417-0-199910-I&type=itemsA radio-quiet zone in the vicinity of the L2 Sun-Earth Lagrange point<BR/>mar, 25 oct 1999 23:00:00 GMTR-REC-RA.1417-0-199910-I!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1272-0-199710-S&type=itemsProtection of radio astronomy measurements above 60 GHz from ground based interference<BR/>mer, 03 fév 1998 23:00:00 GMTR-REC-RA.1272-0-199710-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1237-0-199702-S&type=itemsProtection of the radio astronomy service from unwanted emissions resulting from applications of wideband digital modulation<BR/>jeu, 23 avr 1997 23:00:00 GMTR-REC-RA.1237-0-199702-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1031-1-199510-S&type=itemsProtection of the radioastronomy service in frequency bands shared with other services<BR/>ven, 31 oct 1996 23:00:00 GMTR-REC-RA.1031-1-199510-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.769-1-199510-S&type=itemsProtection criteria used for radioastronomical measurements<BR/>ven, 31 oct 1996 23:00:00 GMTR-REC-RA.769-1-199510-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.314-8-199203-S&type=itemsPreferred frequency bands for radioastronomical measurements<BR/>lun, 30 avr 1995 23:00:00 GMTR-REC-RA.314-8-199203-S!!PDF-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1237-2-201001-I&type=itemsProtection of the radio astronomy service from unwanted emissions resulting from applications of wideband digital modulation<BR/>lun, 31 déc 1752 23:00:00 GMTR-REC-RA.1237-2-201001-I!!TOC-HTM-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.1860-0-201001-I&type=itemsPreferred frequency bands for radio astronomical measurements in the range 1-3 THz<BR/>lun, 31 déc 1752 23:00:00 GMTR-REC-RA.1860-0-201001-I!!TOC-HTM-Ehttp://www.itu.int/rec/recommendation.asp?parent=R-REC-RA.769-2-200305-I&type=itemsProtection criteria used for radio astronomical measurements<BR/>lun, 31 déc 1752 23:00:00 GMTR-REC-RA.769-2-200305-I!!TOC-HTM-E