Exhibit 10.47

February 7, 2005

James McCubbin
Vice President, Chief Financial Officer
WidePoint Corporation
One Lincoln Centre
18W140 Butterfield Road, Suite 1100
Oakbrook Terrace, Illinois  60181

Re:  Modification of
$5,000,000 Line of Credit to WidePoint Corporation

Dear Jim:

As described below, RBC Centura Bank
agrees to modify the existing terms of the $5,000,000 Line of Credit (Loan) to
WidePoint Corporation (Borrower) evidenced by a Commitment Letter dated
October 12, 2004 as well as Loan Documents including a Commercial Promissory Note, Loan
and Security Agreement, and Unconditional Guaranty and Security Agreement all dated
October 22, 2004, and any replacements, modifications, or amendments thereto.

Loan Modification(s):

The Funded Debt to EBITDA Ratio in
the Financial Covenants section of the Commitment Letter dated October 12, 2004 shall be
deleted and replaced with the following: The Borrower and Guarantors on a combined
basis shall maintain a ratio of Funded Debt to EBITDA, calculated on an annualized
year-to-date basis, of not greater than 3.0 to 1.0. For the year 2004, year-to-date shall
be defined as the period from when the Borrower acquired Operational Research Consultants,
Inc. until December 31, 2004. 

Section 6.8.1. Funded Debt to
EBITDA of the Loan and Security Agreement dated October 22, 2004 shall be deleted and
replaced with the following: Borrower and its Subsidiaries shall maintain as of the
end of each fiscal quarter, on a consolidated basis in accordance with GAAP, a ratio of
Funded Debt to EBITDA, calculated on an annualized year-to-date basis, of not greater than
3.0 to 1.  For the year 2004, year-to-date shall be defined as the period from when
the Borrower acquired Operational Research Consultants, Inc. until December 31, 2004.


---

If the above modifications are
acceptable, then please indicate your acceptance by having all of the appropriate parties
execute their acceptance below and by returning this executed letter to me.

Please call me at 703-827-0739 if you
have any questions.

|Sincerely,                                             |                                                     
|------------------------------------------------------ | ----------------------------------------------------
|                                                       |                                                     
|RBC CENTURA BANK                                       |                                                     
|                                                       |                                                     
|                                                       |                                                     
|By: __________________________________                 |                                                     
|Print Name: Greg D. Wheeless                           |                                                     
|Title: Northern Virginia Market Executive              |                                                     
|                                                       |                                                     
|                                                       |                                                     
|ACCEPTED AND AGREED TO:                                |                                                     
|                                                       |                                                     
|Borrower:                                              |                                                     
|                                                       |                                                     
|Company Name: WidePoint Corporation                    |                                                     
|By: __________________________________                 |                                                     
|Name: James McCubbin                                   |                                                     
|Title: Secretary, Vice President, & CFO                |                                                     
|Date: ________________________________                 |                                                     
|                                                       |                                                     
|                                                       |                                                     
|Corporate Guarantor(s)--existing subsidiaries:         |                                                     
|                                                       |                                                     
|Company Name: WidePoint IL, Inc.                       | Company Name: WP NBIL Inc.                          
|By: __________________________________                 | By: __________________________________              
|Name: James McCubbin                                   | Name: James McCubbin                                
|Title:  Secretary, Vice President, & CFO               | Title: Secretary, Vice President, & CFO             
|Date: ________________________________                 | Date: ________________________________              
|                                                       |                                                     
|Company Name: Chesapeake Government Technologies, Inc. | Company Name: Operational Research Consultants, Inc.
|By: __________________________________                 | By: __________________________________              
|Name: James McCubbin                                   | Name: James McCubbin                                
|Title: Secretary, Vice President, & CFO                | Title: Secretary, Treasurer                         
|Date: ________________________________                 | Date: ________________________________              

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