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 2019:
| Location | Country | Instruments | Month in 2019 | Julian days | Dates |
| Marambio | Antarctica | January | January 26th-January 29th | ||
| Hobart | Australia | February | February 25th-March 1st | ||
| Sonnblick | Austria | April | April 30th-May 2nd | ||
| Hradec_Kralove | Czech_Republic | May | May 6th-May 9th | ||
| Poprad_Ganovce | Slovakia | May | May 13th-May 17th | ||
| Lindenberg | Germany | May | May 20th-May 24th | ||
| Hohenpeissenberg | Germany | May | May 27th-May 31st | ||
| El_Arenosillo | Spain | June | June 17th-June 29th | ||
| Rome | Italy | July | July 1st-July 5th | ||
| Aosta | Italy | July | July 8th-July 12th | ||
| Taipei | Taiwan | July | July 22nd-July 26th | ||
| Vindeln | Sweden | July | July 31st-August 4th | ||
| Alomar | Norway | August | August 6th-August 10th | ||
| Kjeller | Norway | August | August 12th-August 15th | ||
| Anmyeondo | Korea | August | August 25th-August 29th | ||
| Jeju_Gosan | Korea | August | August 30th-August 31st | ||
| Athens | Greece | September | September 15th-September 20th | ||
| Mauna_Loa | USA | September | September 30th-October 11th |