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 2013:
| Location | Country | Instruments | Month in 2013 | Julian days | Dates |
| Toronto | Canada | January | January 1st-March 17th | ||
| Bandung | Indonesia | March | March 25th-April 2nd | ||
| Hong_Kong | H.K. | April | April 3rd-April 7th | ||
| Taipei | Taiwan | April | April 8th-April 15th | ||
| Toronto | Canada | April | April 17th-May 3rd | ||
| Hohenpeissenberg | Germany | May | May 6th-May 10th | ||
| Lindenberg | Germany | May | May 13th-May 17th | ||
| Boulder | USA | May | May 19th-May 26th | ||
| Hradec_Kralove | Czech_Republic | May | May 19th-May 24th | ||
| Aosta | Italy | May | May 28th-June 1st | ||
| El_Arenosillo | Spain | June | June 10th-June 20th | ||
| Oslo | Norway | June | June 26th-June 29th | ||
| Alomar | Norway | July | July 1st-July 3rd | ||
| Vindeln | Sweden | July | July 4th-July 7th | ||
| Pohang | Korea | July | July 28th-August 1st | ||
| Jeju_Gosan | Korea | August | August 1st-August 5th | ||
| Seoul | Korea | August | August 5th-August 12th | ||
| Toronto | Canada | August | August 14th-September 20th | ||
| Athens | Greece | October | October 5th-October 10th | ||
| Toronto | Canada | October | October 12th-October 13th | ||
| Mauna_Loa | USA | October | October 15th-October 27th | ||
| Toronto | Canada | November | November 15th-December 31st |
Footnotes:
1-- Financially supported by the WMO
2-- IOS helped with the maintenance and calibration of this instrument, but it wasn't part of our official business.