IOS Inc.
The Brewer experts
Important:
SETDATE: Automatic date correction in the OP_ST.### file before running the Brewer software. 
01.12.2005.
Calibration information tables. 09.12.2005.
How to find calibration information 25.01.2006.
Brewer operating software v3.76b 26.08.2008.
GWBasic: A help file. 12.12.2005.
Calibrations in 1998:
| Location | Country | Instruments | Month in 1998 | Julian days |
| Taipei | Taiwan | April | ||
| C_Paulista | Brazil | May | ||
| Oslo | Norway | May | ||
| Tromso | Norway | May | ||
| Lindenberg | Germany | June | ||
| Potsdam | Germany | June | ||
| Hohenpeissenberg | Germany | June | ||
| Jokioinen | Finland | June | ||
| Valentia | Ireland | June | ||
| Arosa | Switzerland | July | ||
| UofRome | Italy | July | ||
| Lampedusa | Italy | July | ||
| Ispra | Italy | July | ||
| Porto_Karas | Greece | September | ||
| Madrid | Spain | October | ||
| Izana | Spain | October | ||
| El_Arenosillo | Spain | October |