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 OMI OMDOAO3 level-2 total ozone data.

REGION: South America and Pacific
	ID	Name	Country	Lat	Lon	Type
	91d	BUENOS-AIRES	Argentina	-34.58	-58.48	Dobson
	343D	SALTO	Uruguay	-31.58	-57.95	Dobson
	342D	COMODORO-RIVADAVIA	Argentina	-45.78	-67.5	Dobson
	339D	USHUAIA	Argentina	-54.85	-68.31	Dobson
	219d	NATAL	Brazil	-5.83	-35.2	Dobson
	200d	CACHOEIRA-PAULISTA	Brazil	-22.68	-45	Dobson
6 records found! (Records from 1 to 6 - Page 1/1)