The readings are only relative not absolute. They were made at the same location indoors, Had the readings been made outside in an open space I would expect to find the same relative graph but on a smaller scale.
The readings are available here as an Excel file. -- You received this message because you are subscribed to the Google Groups "Hum Sufferers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/hum-sufferers?hl=en.
chart.xls
Description: MS-Excel spreadsheet
