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 2025:
| Location | Country | Instruments | Month in 2025 | Julian days |
| Toronto | Canada | January | ||
| Hobart | Australia | February | ||
| Broadmeadows | Australia | February | ||
| Brisbane | Australia | March | ||
| Valentia | Ireland | April | ||
| Vindeln | Sweden | May | ||
| Lindenberg | Germany | May | ||
| Hohenpeissenberg | Germany | May | ||
| Poprad_Ganovce | Slovakia | May | ||
| Hradec_Kralove | Czech_Republic | June | ||
| Reykjavik | Iceland | June | ||
| El_Arenosillo | Spain | June | ||
| Kjeller | Norway | July | ||
| Alomar | Norway | July | ||
| De_Bilt | Netherlands | July | ||
| Kota_Bharu | Malaysia | October | ||
| Petaling_Jaya | Malaysia | October |
Footnotes:
1-- Maintenance only
2-- The UV combo filter replacement
3-- Only UV calibration was requested
4-- Done under annual contract with PMOD
5-- We were not paid for fixing this Brewer.