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 2023:
| Location | Country | Instruments | Month in 2023 | Julian days |
| Toronto_IOS | Canada | May | ||
| Hohenpeissenberg | Germany | May | ||
| Lindenberg | Germany | May | ||
| Reykjavik | Iceland | June | ||
| Hradec_Kralove | Czech_Republic | June | ||
| Poprad_Ganovce | Slovakia | June | ||
| Taipei | Taiwan | July | ||
| Alomar | Norway | July | ||
| Kjeller | Norway | July | ||
| Ny_Alesund | Spitzbergen | July | ||
| Vindeln | Sweden | August | ||
| Valentia | Ireland | August | ||
| Kota_Bharu | Malaysia | August | ||
| Petaling_Jaya | Malaysia | August | ||
| El_Arenosillo | Spain | September | ||
| Athens | Greece | October |
Footnotes:
1-- Only UV calibration was requested