Index of ftp://ftp.ngdc.noaa.gov/ionosonde/data/09429/individual
Parent Directory
2010 | 39.00b | June 8 2017 |
2011 | 39.00b | June 5 2014 |
2012 | 39.00b | June 5 2014 |
2013 | 39.00b | June 5 2014 |
2014 | 39.00b | June 5 2014 |
2015 | 39.00b | December 31 2014 |
2016 | 39.00b | January 12 2016 |
2017 | 39.00b | December 29 2016 |
2018 | 39.00b | December 31 2017 |
2019 | 39.00b | January 29 2019 |
2020 | 39.00b | December 31 2019 |
2021 | 39.00b | January 17 2021 |