40 Years of Spectral Noise

1973

Jan 1973
N/A
Feb 1973
N/A
Mar 1973
N/A
Apr 1973
N/A
May 1973
N/A
Jun 1973
N/A
Sep 1973
N/A
Oct 1973
N/A
Nov 1973
N/A
Dec 1973
N/A

1974

Jan 1974
N/A
Feb 1974
N/A
Mar 1974
Apr 1974
N/A
May 1974
N/A
Jun 1974
N/A
Sep 1974
N/A
Oct 1974
N/A
Nov 1974
N/A
Dec 1974
N/A

1975

Jan 1975
N/A
Feb 1975
Mar 1975
Apr 1975
May 1975
N/A
Jun 1975
N/A
Sep 1975
N/A
Oct 1975
N/A
Nov 1975
N/A
Dec 1975
N/A

1976

Jan 1976
N/A
Feb 1976
N/A
Mar 1976
N/A
Apr 1976
N/A
May 1976
Jun 1976
Sep 1976
N/A
Oct 1976
N/A
Nov 1976
Dec 1976
N/A

1977

Jan 1977
N/A
Feb 1977
N/A
Mar 1977
Apr 1977
May 1977
Jun 1977
Sep 1977
Oct 1977
Nov 1977
N/A
Dec 1977

1978

Jan 1978
N/A
Feb 1978
N/A
Mar 1978
N/A
Apr 1978
N/A
May 1978
Jun 1978
N/A
Sep 1978
N/A
Oct 1978
N/A
Nov 1978
N/A
Dec 1978
N/A

1979

Jan 1979
N/A
Feb 1979
N/A
Mar 1979
N/A
Apr 1979
N/A
May 1979
N/A
Jun 1979
Sep 1979
N/A
Oct 1979
N/A
Nov 1979
N/A
Dec 1979
N/A

1980

Jan 1980
Feb 1980
Mar 1980
Apr 1980
May 1980
N/A
Jun 1980
Sep 1980
Oct 1980
N/A
Nov 1980
Dec 1980
N/A

1981

Jan 1981
N/A
Feb 1981
N/A
Mar 1981
Apr 1981
May 1981
Jun 1981
Sep 1981
Oct 1981
Nov 1981
Dec 1981

1982

Jan 1982
Feb 1982
Mar 1982
Apr 1982
May 1982
Jun 1982
Sep 1982
Oct 1982
Nov 1982
Dec 1982
N/A

1983

Jan 1983
Feb 1983
Mar 1983
Apr 1983
May 1983
Jun 1983
Sep 1983
Oct 1983
N/A
Nov 1983
Dec 1983
N/A

1984

Jan 1984
Feb 1984
Mar 1984
Apr 1984
May 1984
N/A
Jun 1984
Sep 1984
Oct 1984
Nov 1984
Dec 1984

1985

Jan 1985
Feb 1985
Mar 1985
Apr 1985
May 1985
Jun 1985
Sep 1985
N/A
Oct 1985
Nov 1985
Dec 1985

1986

Jan 1986
N/A
Feb 1986
Mar 1986
Apr 1986
May 1986
Jun 1986
Sep 1986
Oct 1986
Nov 1986
Dec 1986

1987

Jan 1987
Feb 1987
Mar 1987
Apr 1987
May 1987
Jun 1987
N/A
Sep 1987
Oct 1987
N/A
Nov 1987
Dec 1987

1988

Jan 1988
Feb 1988
Mar 1988
Apr 1988
May 1988
Jun 1988
Sep 1988
Oct 1988
Nov 1988
Dec 1988

1989

Jan 1989
Feb 1989
Mar 1989
Apr 1989
May 1989
Jun 1989
Sep 1989
Oct 1989
Nov 1989
N/A
Dec 1989

1990

Jan 1990
Feb 1990
Mar 1990
Apr 1990
May 1990
Jun 1990
N/A
Sep 1990
N/A
Oct 1990
N/A
Nov 1990
N/A
Dec 1990

1991

Jan 1991
Feb 1991
Mar 1991
Apr 1991
May 1991
Jun 1991
Sep 1991
Oct 1991
Nov 1991
Dec 1991

1992

Jan 1992
Feb 1992
Mar 1992
Apr 1992
May 1992
Jun 1992
Sep 1992
Oct 1992
Nov 1992
Dec 1992

1993

Jan 1993
Feb 1993
Mar 1993
Apr 1993
May 1993
Jun 1993
Sep 1993
Oct 1993
Nov 1993
Dec 1993

1994

Jan 1994
Feb 1994
Mar 1994
N/A
Apr 1994
May 1994
Jun 1994
N/A
Sep 1994
Oct 1994
Nov 1994
Dec 1994

1995

Jan 1995
Feb 1995
Mar 1995
Apr 1995
May 1995
Jun 1995
Sep 1995
Oct 1995
Nov 1995
Dec 1995

1996

Jan 1996
Feb 1996
N/A
Mar 1996
Apr 1996
May 1996
Jun 1996
Sep 1996
Oct 1996
Nov 1996
Dec 1996

1997

Jan 1997
Feb 1997
Mar 1997
Apr 1997
May 1997
Jun 1997
Sep 1997
Oct 1997
Nov 1997
Dec 1997

1998

Jan 1998
Feb 1998
Mar 1998
Apr 1998
May 1998
Jun 1998
Sep 1998
Oct 1998
Nov 1998
N/A
Dec 1998

1999

Jan 1999
Feb 1999
Mar 1999
Apr 1999
May 1999
Jun 1999
Sep 1999
Oct 1999
Nov 1999
Dec 1999

2000

Jan 2000
Feb 2000
Mar 2000
Apr 2000
May 2000
Jun 2000
Sep 2000
Oct 2000
Nov 2000
Dec 2000

2001

Jan 2001
Feb 2001
Mar 2001
Apr 2001
May 2001
Jun 2001
Sep 2001
Oct 2001
Nov 2001
Dec 2001

2002

Jan 2002
Feb 2002
Mar 2002
Apr 2002
May 2002
Jun 2002
Jul 2002
Sep 2002
Oct 2002
Nov 2002
Dec 2002

2003

Jan 2003
Feb 2003
Mar 2003
Apr 2003
May 2003
Jun 2003
Sep 2003
Oct 2003
Nov 2003
Dec 2003

2004

Jan 2004
Feb 2004
Mar 2004
Apr 2004
May 2004
Jun 2004
Sep 2004
Oct 2004
Nov 2004
Dec 2004

2005

Jan 2005
Feb 2005
Mar 2005
Apr 2005
May 2005
Jun 2005
Sep 2005
Oct 2005
Nov 2005
Dec 2005

2006

Jan 2006
Feb 2006
Mar 2006
Apr 2006
May 2006
Jun 2006
Sep 2006
N/A
Oct 2006
Nov 2006
Dec 2006

2007

Jan 2007
N/A
Feb 2007
Mar 2007
Apr 2007
N/A
May 2007
N/A
Jun 2007
Sep 2007
Oct 2007
Nov 2007
Dec 2007

2008

Jan 2008
Feb 2008
Mar 2008
Apr 2008
May 2008
Jun 2008
Sep 2008
Oct 2008
Nov 2008
Dec 2008

2009

Jan 2009
Feb 2009
Mar 2009
Apr 2009
May 2009
Jun 2009
Sep 2009
Oct 2009
Nov 2009
Dec 2009

2010

Jan 2010
Feb 2010
Mar 2010
Apr 2010
May 2010
Jun 2010
Sep 2010
Oct 2010
Nov 2010
Dec 2010

2011

Jan 2011
Feb 2011
Mar 2011
Apr 2011
May 2011
Jun 2011
Sep 2011
Oct 2011
Nov 2011
Dec 2011

2012

Jan 2012
Feb 2012
Mar 2012
Apr 2012
May 2012
Jun 2012
Sep 2012
Oct 2012
Nov 2012
Dec 2012

2013

Jan 2013
Feb 2013
Mar 2013
Apr 2013
N/A
May 2013
N/A
Jun 2013
N/A
Sep 2013
N/A
Oct 2013
N/A
Nov 2013
N/A
Dec 2013
N/A

2014

Jan 2014
N/A
Feb 2014
N/A
Mar 2014
N/A
Apr 2014
N/A
May 2014
N/A
Jun 2014
N/A
Sep 2014
N/A
Oct 2014
N/A
Nov 2014
N/A
Dec 2014
N/A