The Global OzoneObserving System (GO3OS) consists of more than 140 monitoring stations of total ozone, the largest number of which is being located in the middle Northern latitudes, while the operation of these stations is being conducted using the following instruments:

• Dobson spectrophotometer
• Brewer spectrophotometer
• Filter Ozonometer ( M-83, M -124)

In the following table there are available for each station the results of the comparisons with the GOME GDP4.0 level-2 total ozone data.

	ID	Name	Country	Lat	Lon	Type
	319B	MONTREAL	Canada	45.47	-73.75	Brewer
	320B	WINNIPEG	Canada	49.91	-97.24	Brewer
	321B	HALIFAX	Canada	44.9	-63.5	Brewer
	290B	SATURNA	Canada	48.78	-123.13	Brewer
	295B	MT.WALIGUAN	China	36.17	100.53	Brewer
	326B	LONGFENSHAN	China	44.75	127.6	Brewer
	208d	SHIANGHER	China	39.77	117	Dobson
	209d	KUNMING	China	25.02	102.68	Dobson
	311M	HAVANA	Cuba	23.17	-82.33	M-124
	96d	HRADEC-KRALOVE	Czech Republic	50.18	15.83	Dobson
	96b	HRADEC-KRALOVE	Czech Republic	50.18	15.83	Brewer
	309B	COPENHAGEN	Denmark	55.72	12.57	Brewer
	152d	CAIRO	Egypt	30.08	31.28	Dobson
	245d	ASWAN	Egypt	23.97	32.45	Dobson
	350M	TAHKUSE	Estonia	58.52	24.94	M-124
	262b	SODANKYLA	Finland	67.37	26.65	Brewer
	404b	JOKIOINEN	Finland	60.8	23.5	Brewer
	40d	HAUTE-PROVINCE	France	43.92	5.75	Dobson
	50d	POTSDAM	Germany	52.38	13.05	Dobson
	50b	POTSDAM	Germany	52.38	13.05	Brewer
	99d	HOHENPEISSENBERG	Germany	47.8	11.02	Dobson
	99b	HOHENPEISSENBERG	Germany	47.8	11.02	Brewer
	174b	LINDENBERG	Germany	52.22	14.12	Brewer
	261b	THESSALONIKI	Greece	40.52	22.97	Brewer
	293D	ATHENS	Greece	38	23.7	Dobson
	267B	SONDRESTROM	Greenland	67	-50.98	Brewer
	100d	BUDAPEST	Hungary	47.43	19.18	Dobson
	100b	BUDAPEST	Hungary	47.43	19.18	Brewer
	51d	REYKJAVIK	Iceland	64.13	-21.9	Dobson
	10d	NEW-DELHI	India	28.63	77.22	Dobson
149 records found! (Records from 31 to 60 - Page 2/5)
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