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 2020:
| Location | Country | Instruments | Month in 2020 | Julian days | Dates |
| Belsk | Poland | June | June 22nd-June 27th | ||
| Hohenpeissenberg | Germany | July | July 25th-July 31st | ||
| Hradec_Kralove | Czech_Republic | August | August 7th-August 14th | ||
| Lindenberg | Germany | September | September 20th-September 25th | ||
| Hradec_Kralove | Czech_Republic | October | October 4th-October 11th |