Monthly ranked lists of long-period noise spectra at broadband stations


The table below links to pages displaying monthly background noise measurements for various stations. The time period for which estimates are available varies. The recent estimates are based on real-time (RT) data. With time, these are replaced by estimates based on quality-conrolled and archived (AR) data.


Vertical 200901 Horizontal 200901
Vertical 200902 Horizontal 200902
Vertical 200903 Horizontal 200903
Vertical 200904 Horizontal 200904
Vertical 200905 Horizontal 200905
Vertical 200906 Horizontal 200906
Vertical 200907 Horizontal 200907
Vertical 200908 Horizontal 200908
Vertical 200909 Horizontal 200909
Vertical 200910 Horizontal 200910
Vertical 200911 Horizontal 200911
Vertical 200912 Horizontal 200912
Vertical 201001 Horizontal 201001
Vertical 201002 Horizontal 201002
Vertical 201003 Horizontal 201003
Vertical 201004 Horizontal 201004
Vertical 201005 Horizontal 201005
Vertical 201006 Horizontal 201006
Vertical 201007 Horizontal 201007
Vertical 201008 Horizontal 201008
Vertical 201009 Horizontal 201009
Vertical 201010 Horizontal 201010
Vertical 201011 Horizontal 201011
Vertical 201012 Horizontal 201012
Vertical 201101 Horizontal 201101
Vertical 201102 Horizontal 201102
Vertical 201103 Horizontal 201103
Vertical 201104 Horizontal 201104
Vertical 201105 Horizontal 201105
Vertical 201106 Horizontal 201106
Vertical 201107 Horizontal 201107
Vertical 201108 Horizontal 201108
Vertical 201109 Horizontal 201109
Vertical 201110 Horizontal 201110
Vertical 201111 Horizontal 201111
Vertical 201112 Horizontal 201112
Vertical 201201 Horizontal 201201
Vertical 201202 Horizontal 201202
Vertical 201203 Horizontal 201203
Vertical 201204 Horizontal 201204
Vertical 201205 Horizontal 201205
Vertical 201206 Horizontal 201206
Vertical 201207 Horizontal 201207
Vertical 201208 Horizontal 201208
Vertical 201209 Horizontal 201209
Vertical 201210 Horizontal 201210
Vertical 201211 Horizontal 201211
Vertical 201212 Horizontal 201212
Vertical 201301 Horizontal 201301
Vertical 201302 Horizontal 201302
Vertical 201303 Horizontal 201303
Vertical 201304 Horizontal 201304
Vertical 201305 Horizontal 201305
Vertical 201306 Horizontal 201306
Vertical 201307 Horizontal 201307
Vertical 201308 Horizontal 201308
Vertical 201309 Horizontal 201309
Vertical 201310 Horizontal 201310
Vertical 201311 Horizontal 201311
Vertical 201312 Horizontal 201312
Vertical 201401 Horizontal 201401