**EXHIBIT
      31.1**




**CERTIFICATION**




I,
      JONATHAN W. LADD, certify that:




1.  I
      have
      reviewed this annual report on Form 20-F of NovAtel Inc.




2.
            Based
                on my knowledge, this report does not contain any untrue statement
                of a
                material fact or omit to state a material fact necessary to make
                the
                statements made, in light of the circumstances under which such statements
                were made, not misleading with respect to the period covered by this
                report;




3.
            Based
                on my knowledge, the financial statements, and other financial information
                included in this report, fairly present in all material respects
                the
                financial condition, results of operations and cash flows of the
                Company
                as of, and for, the periods presented in this
                report;




4.
            The
                Company's other certifying officer and I are responsible for establishing
                and maintaining disclosure controls and procedures (as defined in
                Exchange
                Act Rules 13a-15(e) and 15d-15(e)) and internal control over
                financial reporting (as defined in Exchange Act Rules 13a-15(f) and
                15d-15(f)) for the Company and
                have:




(a)
      Designed such disclosure controls and procedures, or caused such disclosure
      controls and procedures to be designed under our supervision, to ensure that
      material information relating to the Company, including its consolidated
      subsidiaries, is made known to us by others within those entities, particularly
      during the period in which this report is being prepared;




(b)
      Designed such internal control over financial reporting, or caused such internal
      control over financial reporting to be designed under our supervision to provide
      reasonable assurance regarding the reliability of financial reporting and the
      preparation of financial statements for external purposes in accordance with
      generally accepted accounting principles;




(c)
      Evaluated the effectiveness of the Company's disclosure controls and procedures
      and presented in this report our conclusions about the effectiveness of the
      disclosure controls and procedures, as of the end of the period covered by
      this
      report based on such evaluation; and




(d)
      Disclosed in this report any change in the Company's internal control over
      financial reporting that occurred during the period covered by the annual report
      that has materially affected, or is reasonably likely to materially affect,
      the
      Company's internal control over financial reporting; and




5.
            The
                Company's other certifying officer and I have disclosed, based on
                our most
                recent evaluation of internal control over financial reporting, to
                the
                Company's auditors and the audit committee of the Company's board
                of
                directors (or persons performing the equivalent
                functions):




(a)
      All
      significant deficiencies and material weaknesses in the design or operation
      of
      internal control over financial reporting which are reasonably likely to
      adversely affect the Company's ability to record, process, summarize and report
      financial information; and




(b)
      Any
      fraud, whether or not material, that involves management or other employees
      who
      have a significant role in the Company's internal control over financial
      reporting.




Date:
      May
      31, 2007





/s/
                Jonathan W. LaddJonathan
                W. Ladd
              *(Principal
                Executive Officer)*