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
2023-07-19	0077-6019-1002-02-01-6186 -2023-06-30-1749* #19	TAC	Tacolneston Tall Tower	CH4	tower	insitu	tower185	UNIVBRIS (Atmospheric Chemistry Research Group School of Chemistry University of Bristol)	click
2022-07-27	0077-6019-1002-02-01-6186 -2022-06-30-1517 #18	TAC	Tacolneston Tall Tower	CH4	tower	insitu	tower185	UNIVBRIS (Atmospheric Chemistry Research Group School of Chemistry University of Bristol)
2021-05-10	0077-6019-1002-02-01-6186 -2021-04-30-0928 #17	TAC	Tacolneston Tall Tower	CH4	tower	insitu	tower185	UNIVBRIS (Atmospheric Chemistry Research Group School of Chemistry University of Bristol)
2020-08-13	0077-6019-1002-02-01-6186 -2020-07-14-0033 #16	TAC	Tacolneston Tall Tower	CH4	tower	insitu	tower185	UNIVBRIS (Atmospheric Chemistry Research Group School of Chemistry University of Bristol)
2020-04-21	0077-6019-1002-02-01-6186 -2020-04-16-0125	TAC	Tacolneston Tall Tower	CH4	tower	insitu	tower185	UNIVBRIS (Atmospheric Chemistry Research Group School of Chemistry University of Bristol)
2019-07-18	0077-6019-1002-02-01-6186 -2019-07-11-1602	TAC	Tacolneston Tall Tower	CH4	tower	insitu	tower185	UNIVBRIS (Atmospheric Chemistry Research Group School of Chemistry University of Bristol)