See the data version history.
The data of old versions are not available at WDCGG.

Updated Date	Version * : the latest version # : used for analysis in the WMO GHG Bulletin (#Volume)	GAW ID	Station/Mobile	Gas Species † met : with meteorological data	Platform	Sampling Type	Buffer	Organization	Details
2023-08-15	0006-2016-1001-02-01-6019 -2023-08-12-0735*	TKY	Takayama	CO2	tower	insitu	tower18	AIST (National Institute of Advanced Industrial Science and Technology)	click
2022-03-03	0006-2016-1001-02-01-6019 -2022-03-03-1036	TKY	Takayama	CO2	tower	insitu	tower18	AIST (National Institute of Advanced Industrial Science and Technology)
2019-11-28	0006-2016-1001-02-01-6019 -2019-11-23-1635	TKY	Takayama	CO2	tower	insitu	tower18	AIST (National Institute of Advanced Industrial Science and Technology)
2019-09-03	0006-2016-1001-02-01-6019 -2019-09-02-1524	TKY	Takayama	CO2	tower	insitu	tower18	AIST (National Institute of Advanced Industrial Science and Technology)
2018-06-13	0006-2016-1001-02-01-6019 -2018-03-07-1114	TKY	Takayama	CO2	tower	insitu	tower18	AIST (National Institute of Advanced Industrial Science and Technology)