Exhibit 16.1 [Letterhead of Davidson & Company Chartered Accountants] July 18, 2001 Securities and Exchange Commission Mail Stop 11-3 450 Fifth Street N.W. Washington, DC USA 20549 Dear Sirs/Madams: We have read and we agree with the statements concerning our firm made by GeoAlert, Inc. (Commission File No. 000-30658) under Item 4 of GeoAlert's Current Report on Form 8-K, dated July 18, 2001. Yours truly, /s/ Davidson & Company DAVIDSON & COMPANY Chartered Accountants