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 | Dates |
| Toronto | Canada | January | January 1st-March 25th | ||
| Hobart | Australia | February | February 24th-February 28th | ||
| Broadmeadows | Australia | February | February 28th-March 3rd | ||
| Brisbane | Australia | March | March 3rd-March 9th | ||
| Valentia | Ireland | April | April 13th-April 17th | ||
| Vindeln | Sweden | May | May 4th-May 9th | ||
| Lindenberg | Germany | May | May 5th-May 9th | ||
| Hohenpeissenberg | Germany | May | May 12th-May 15th | ||
| Poprad_Ganovce | Slovakia | May | May 26th-May 30th | ||
| Hradec_Kralove | Czech_Republic | June | June 1st-June 5th | ||
| Reykjavik | Iceland | June | June 8th-June 15th | ||
| El_Arenosillo | Spain | June | June 15th-June 28th | ||
| Kjeller | Norway | July | July 7th-July 12th | ||
| Alomar | Norway | July | July 13th-July 16th | ||
| De_Bilt | Netherlands | July | July 27th-August 1st | ||
| Kota_Bharu | Malaysia | October | October 1st-October 8th | ||
| Petaling_Jaya | Malaysia | October | October 10th-October 16th | ||
| Paramaribo | Suriname | December | December 4th-December 16th |
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.