May 5, 2005

VIA EDGAR

Larry Spirgel
Assistant Director
U.S. Securities and Exchange Commission
Mail Stop 4-7
Washington, D.C.  20549

Re:     Radyne ComStream Inc.
        Form 10-K for the fiscal year ended Dec. 31, 2004, filed March 16, 2005
        File No. 000-11685

Dear Mr. Spirgel:

I write in response to your review of our referenced filing and the comments
contained in your letter of April 26th. We are submitting herewith our filed
Amendment No. 1 to our Annual Report on Form 10-K/A (File No. 000-11685). For
your reference in connection with our responses to the Staff's comments below.

Item 9A - Controls and Procedures, page 43 of the original filing, page 3 of our
amended filing

  1.    You noted that our draft revisions in response to prior comment 4. Your
        draft revisions state that there were no changes in "other factors that
        have materially affected, or are reasonably likely to materially affect
        these controls subsequent to the date of their evaluation." You
        requested that we revise this to comply with Item 308(c) of Regulation
        S-K. Accordingly, we revised the language in our amended filing as
        requested by the Staff. Further, in response to the Staff's comment, we
        have eliminated the "other factors" language contained in the original
        filing (see below).



ITEM 9A. CONTROLS AND PROCEDURES

        Based on their evaluation as of December 31, 2004, our Chief Executive
        Officer and Chief Financial Officer have concluded that our disclosure
        controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e)
        under the Securities Exchange Act of 1934, as amended (the "Exchange
        Act"), were effective as of the end of the period covered by this report
        to ensure that the information required to be disclosed by us in this
        Annual Report on Form 10-K was recorded, processed, summarized and
        reported within the time periods specified in the SEC's rules and
        instructions for Form 10-K. Our disclosure controls and procedures are
        also designed to ensure that information required to be disclosed in the
        reports that we file or submit under the Exchange Act is accumulated and
        communicated to our management, including our Principal Executive
        Officer and our Principal Financial Officer, to allow timely decisions
        regarding required disclosure. There were no changes in our internal
        controls over financial reporting during the quarter ended December 31,
        2004, that have materially affected, or are reasonably likely to
        materially affect, our internal control over financial reporting.

Please forward any further comments or questions to me.

Very truly yours,


Malcolm Persen
Chief Financial Officer
Radyne ComStream Inc.

Cc:  Steven D. Pidgeon, Esq., Snell & Wilmer L.L.P.



================================================================================

                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                ----------------

                                   FORM 10-K/A
                                (Amendment No. 1)

        [X]      Annual Report Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

                   For the fiscal year ended December 31, 2004

                                       Or

        [ ]      Transition Report pursuant to Section 13 or 15(d) of the
                        Securities Exchange Act of 1934

                        For the transition period from to

                                ----------------

                         Commission File Number 0-11685

                                ----------------

                              RADYNE COMSTREAM INC.
             (Exact name of Registrant as specified in its charter)

                  DELAWARE                             11-2569467
         (State or other jurisdiction               (I.R.S. Employer
       of incorporation or organization)           Identification No.)

        3138 East Elwood Street, Phoenix, Arizona         85034
         (Address of Principal Executive Offices)       (Zip Code)

        Registrant's telephone number including area code: (602) 437-9620

       Securities Registered Under Section 12(b) of the Exchange Act: None

         Securities Registered Under Section 12(g) of the Exchange Act:
                          Common Stock, $.001 Par Value

        Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes [X] No [ ]

        Indicate by check mark if disclosure of delinquent filers pursuant to
Item 405 of Regulation S-K is not contained herein, and will not be contained,
to the best of registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K. [ ]

        Indicate by check mark whether the registrant is an accelerated filer
(as defined in Rule 12b-2 of the Securities Exchange Act of 1934).
Yes [X] No [ ]

        The aggregate market value of the common stock held by non-affiliates of
the registrant was approximately $108 million computed by reference to the
closing price of the stock on the Nasdaq National Market on June 30, 2004, the
last trading day of the registrant's most recently completed second fiscal
quarter. For purposes of this determination, shares of common stock held by each
officer and director and by each person who owns 5% or more of the outstanding
common stock have been excluded in that such persons may be deemed to be
affiliates of the registrant. This determination of affiliate status is not
necessarily a conclusive determination for other purposes.

        The number of shares of the registrant's common stock, which were
outstanding as of the close of business on March 8, 2005 was 16,623,221.

                       DOCUMENTS INCORPORATED BY REFERENCE

        Items 10, 11, 12, 13 and 14 of Part III incorporate information by
reference from the definitive proxy statement for the registrant's Annual
Meeting of Stockholders to be held on June 8, 2005.

================================================================================



                                EXPLANATORY NOTE

        On March 16, 2005, Radyne ComStream Inc. (the "Company") filed its
        Annual Report on Form 10-K for the fiscal year ended December 31, 2004,
        with the Securities and Exchange Commission. This Amendment No. 1 on
        Form 10-K/A is being filed to make clarifications to Part II, Item 9A
        and to include a signature of the Company's Principal Accounting
        Officer. This amendment includes new certifications of the Company's
        Chief Executive Officer and Chief Financial Officer in accordance with
        Rule 12b-15 under the Securities Exchange Act of 1934, as amended.
        Accordingly, an amended Exhibit Index is included under Part IV, Item
        15. Except as described above, no other information in the Form 10-K has
        been amended. This Amendment No. 1 on Form 10-K/A continues to speak as
        of the date of the original Form 10-K, and the Company has not updated
        any disclosures to reflect events, if any, that occurred at a later
        date.

                                        2


                                     PART II

ITEM 9A. CONTROLS AND PROCEDURES

        Based on their evaluation as of December 31, 2004, our Chief Executive
        Officer and Chief Financial Officer have concluded that our disclosure
        controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e)
        under the Securities Exchange Act of 1934, as amended (the "Exchange
        Act"), were effective as of the end of the period covered by this report
        to ensure that the information required to be disclosed by us in this
        Annual Report on Form 10-K was recorded, processed, summarized and
        reported within the time periods specified in the SEC's rules and
        instructions for Form 10-K. Our disclosure controls and procedures are
        also designed to ensure that information required to be disclosed in the
        reports that we file or submit under the Exchange Act is accumulated and
        communicated to our management, including our Principal Executive
        Officer and our Principal Financial Officer, to allow timely decisions
        regarding required disclosure. There were no changes in our internal
        controls over financial reporting during the quarter ended December 31,
        2004, that have materially affected, or are reasonably likely to
        materially affect, our internal control over financial reporting.

     MANAGEMENT'S ANNUAL REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

        Management of the Company is responsible for establishing and
        maintaining adequate internal control over financial reporting as
        defined by Rules13a-15(f) and 15d-15(f) under the Exchange Act. Because
        of its inherent limitations, internal control over financial reporting
        may not prevent or detect misstatements. Also, projections of any
        evaluation of effectiveness to future periods are subject to the risk
        that controls may become inadequate because of changes in conditions, or
        that the degree of compliance with the policies or procedures may
        deteriorate. Management assessed the effectiveness of the Company's
        internal control over financial reporting as of December 31, 2004. In
        making this assessment, our management used the criteria set forth by
        the Committee of Sponsoring Organizations of the Treadway Commission
        (COSO) in Internal Control-Integrated Framework.

        Based on our assessment of those criteria, management believes that the
        Company maintained effective internal control over financial reporting
        as of December 31, 2004.

        KPMG LLP, the independent registered public accounting firm that audited
        the consolidated financial statements of the Company included in our
        Annual Report on Form 10-K for the fiscal year ended December 31, 2004,
        issued its report on management's assessment of the effectiveness of the
        Company's internal control over financial reporting as of December 31,
        2004. The report is included in our Annual Report on Form 10-K filed on
        March 16, 2005.

                                        3


                                     PART IV

ITEM 15.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a)       (3) EXHIBITS:

          See Exhibit Index

                                        4


                                   SIGNATURES

        Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this Amendment No. 1 on
Form 10-K/A to be signed on its behalf by the undersigned, thereunto duly
authorized.

                               RADYNE COMSTREAM INC.

                               By: /s/Robert C. Fitting
                                   ---------------------------------------------
                                   Robert C. Fitting, Chief Executive Officer
                                   (Principal Executive Officer)

                               By: /s/Malcolm C. Persen
                                   ---------------------------------------------
                                   Malcolm C. Persen, Vice President,
                                   Secretary and Chief Financial Officer
                                   (Principal Financial Officer)

                               By: /s/Garry D. Kline
                                   ---------------------------------------------
                                   Garry D. Kline, Vice President and Controller
                                   (Principal Accounting Officer)

Dated: May 5, 2005

        Pursuant to the requirements of the Securities Exchange Act of 1934,
this Report has been signed below by the following persons on behalf of the
Registrant and in the capacities and on the dates indicated.



             NAME                                          TITLE                                     DATE
- ---------------------------   ------------------------------------------------------------   ------------------
                                                                                           
           *                  Chairman of the Board of Directors                                 May 5, 2005
- ---------------------------
C.J. Waylan

           *                  Chief Executive Officer and Director                               May 5, 2005
- ---------------------------
Robert C. Fitting

           *                  Vice President, Secretary and Chief Financial Officer              May 5, 2005
- ---------------------------   (Principal Financial Officer)
Malcolm C. Persen

/s/ Garry D. Kline            Vice President and Controller (Principal Accounting Officer)       May 5, 2005
- ----------------------------
Garry D. Kline

           *                  Director                                                           May 5, 2005
- ---------------------------
Lee Yip Loi

           *                  Director                                                           May 5, 2005
- ---------------------------
Dennis Elliott

           *                  Director                                                           May 5, 2005
- ---------------------------
Michael A. Smith


*      By: /s/   Malcolm C. Persen
           -----------------------------------
           Malcolm C. Persen, Attorney-in-Fact

                                        5


                                  EXHIBIT INDEX



 EXHIBIT NO.                       EXHIBIT
- ------------     --------------------------------------------------------------------------------------------
              
3.1 (1)          Restated Certificate of Incorporation
3.2 (2)          By-Laws, as amended and restated
10.1(a)(3)       ***1996 Incentive Stock Option Plan
10.1(b)(4)       ***Amendment to 1996 Incentive Stock Option Plan
10.2 (5)         ***1999 Employee Stock Purchase Plan
10.3(a) (6)      ***2000 Long-Term Incentive Plan
10.3(b) (7)      ***Amendment to 2000 Long-Term Incentive Plan
10.4(a)(8)       Lease between ADI Communication Partners, L.P. and ComStream dated April 23, 1997
10.4(b)(8)       First Amendment to lease between ADI Communication Partners L.P. and ComStream
                 dated July 16, 1997
10.4(c)(8)       Second Amendment to Lease between Kilroy Realty, L.P. and ComStream dated
                 November 18, 1998
10.5(9)          Lease for facility in Phoenix, Arizona
10.6(10)         Credit Agreement by and between the Registrant and Wells Fargo HSBC Trade Bank, N.A.
10.7(11)         ***Change of Control Agreement,  dated as of March 20, 2002, by and between Registrant and
                 Robert C. Fitting

10.8(12)         ***Change of Control Agreement,  dated as of March 20, 2002, by and between Registrant and
                 Steven Eymann

10.9(13)         ***Change of Control Agreement,  dated as of March 20, 2002, by and between Registrant and
                 Brian Duggan

10.10(14)        ***Employment  Agreement,  dated as of  November  1, 2003 by and  between  Registrant  and
                 Robert C. Fitting

10.10(15)        ***Change of Control Agreement,  dated May 13, 2004, by and between Registrant and Malcolm
                 C. Persen

10.11(16)        ***Employment  Agreement by and between Registrant and Malcolm C. Persen dated as of March
                 9, 2005

10.12(17)        Agreement  and Plan of Merger,  dated March 2, 2005, by and among Radyne  ComStream  Inc.,
                 Xicom Acquisition  Inc., Xicom  Technology.,  the Xicom  Shareholders (as defined therein)
                 and Walt Wood, solely in his capacity as the Shareholders' Representative.
21.1(18)         Subsidiaries of the Registrant
23.1(19)         Consent of KPMG LLP
24.1(20)         Power of Attorney (see signature page)
31.1*            Certification  of the Principal  Executive  Officer  Pursuant to Rule  13-14(a)  Under the
                 Securities Exchange Act of 1934
31.2*            Certification  of the Principal  Financial  Officer  pursuant to Rule  13-14(a)  Under the
                 Securities Exchange Act of 1934
32.1(21)         Certification  of Chief  Executive  Officer  and Chief  Financial  Officer  pursuant to 18
                 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
99.1(22)         Cautionary Statement Regarding Forward-Looking Statements and Risk Factors


- ------------
*       Filed herewith
***     Indicates management compensatory contract,  plan or arrangement


     (1)  Incorporated by reference from exhibit 3.1 to Registrant's description
          of capital stock on Form 8-A12G, filed on July 13, 2000.

     (2)  Incorporated by reference from exhibit 3.2 to Registrant's description
          of capital stock on Form 8-A12G, filed on July 13, 2000.

     (3)  Incorporated by reference to Exhibit 4.1 to Registrant's Registration
          Statement on Form S-8, dated and declared effective on March 12, 1997
          (File No. 333-23159).

     (4)  Incorporated by reference to Exhibit 4.1 to Registrant's Registration
          Statement on Form S-8, dated and declared effective on November 18,
          1998 (File No. 333-67469).

                                        6


     (5)  Incorporated by reference to Exhibit 4.1 to Registrant's Registration
          Statement on Form S-8, dated and declared effective on November 5,
          1999 (File No. 333-90383).

     (6)  Incorporated by reference to Exhibit 4.1 to Registrant's Registration
          Statement on Form S-8, dated and declared effective on July 19, 2000
          (File No. 333-41704)

     (7)  Incorporated by reference to Exhibit 4.1 to Registrant's Registration
          Statement on Form S-8, dated and declared effective on May 29, 2002
          (File No. 333-89316).

     (8)  Incorporated by reference from Registrant's Registration Statement on
          Form S-2, filed January 11, 1999 (File No. 333-70403).

     (9)  Incorporated by reference to Exhibit 10.3 to Registrant's Annual
          Report on Form 10-K for the year ended December 31, 1997, as filed
          with the SEC on March 27, 1998 (File No. 000-11685).

     (10) Incorporated by reference to Exhibit 10.6 to Registrant's Annual
          Report on Form 10-K for the year ended December 31, 2001, as filed
          with the SEC on April 1, 2002 (File No. 000-11685).

     (11) Incorporated by reference to Exhibit 10.1 to Registrant's Quarterly
          Report on Form 10-Q for the quarter ended March 31, 2002, as filed
          with the SEC on May 15, 2002 (File No. 000-11685).

     (12) Incorporated by reference to Exhibit 10.2 to Registrant's Quarterly
          Report on Form 10-Q for the quarter ended March 31, 2002, as filed
          with the SEC on May 15, 2002 (File No. 000-11685).

     (13) Incorporated by reference to Exhibit 10.3 to Registrant's Quarterly
          Report on Form 10-Q for the quarter ended March 31, 2002, as filed
          with the SEC on May 15, 2002 (File No. 000-11685).

     (14) Incorporated by reference to Exhibit 10.1 to Registrant's Quarterly
          Report on Form 10-Q for the quarter ended September 30, 2003, as filed
          with the SEC on November 14, 2003 (File No. 000-11685).

     (15) Incorporated by reference to Exhibit 10.1 to Registrant's Quarterly
          Report on Form 10-Q for the quarter ended June 30, 2004 as filed with
          the SEC on August 11, 2004 (File No. 000-11685).

     (16) Incorporated by reference to Exhibit 10.11 to Registrant's Annual
          Report on Form 10-K for the year ended December 31, 2004, as filed
          with the SEC on March 16, 2005 (File No. 000-11685).

     (17) Incorporated by reference to Exhibit 10.12 to Registrant's Annual
          Report on Form 10-K for the year ended December 31, 2004, as filed
          with the SEC on March 16, 2005 (File No. 000-11685).

     (18) Incorporated by reference to Exhibit 21.1 to Registrant's Annual
          Report on Form 10-K for the year ended December 31, 2004, as filed
          with the SEC on March 16, 2005 (File No. 000-11685).

     (19) Incorporated by reference to Exhibit 23.1 to Registrant's Annual
          Report on Form 10-K for the year ended December 31, 2004, as filed
          with the SEC on March 16, 2005 (File No. 000-11685).

     (20) Incorporated by reference to Exhibit 24.1 to Registrant's Annual
          Report on Form 10-K for the year ended December 31, 2004, as filed
          with the SEC on March 16, 2005 (File No. 000-11685).

     (21) Incorporated by reference to Exhibit 32.1 to Registrant's Annual
          Report on Form 10-K for the year ended December 31, 2004, as filed
          with the SEC on March 16, 2005 (File No. 000-11685).

     (22) Incorporated by reference to Exhibit 99.1 to Registrant's Annual
          Report on Form 10-K for the year ended December 31, 2004, as filed
          with the SEC on March 16, 2005 (File No. 000-11685).

                                        7



                                  EXHIBIT 31.1

                                  CERTIFICATION

I, Robert C. Fitting, certify that:

1.   I have reviewed this annual report on Form 10-K/A of Radyne ComStream 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 operation and cash flows of
     the registrant as of, and for, the periods presented in this report;

4.   The registrant'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 registrant 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
               registrant, 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 registrant'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 registrant's internal
               control over financial reporting that occurred during the
               registrant's most recent fiscal quarter (the registrant's fourth
               fiscal quarter in the case of an annual report) that has
               materially affected, or is reasonably likely to materially
               affect, the registrant's internal control over financial
               reporting; and

5.   The registrant's other certifying officer and I have disclosed, based on
     our most recent evaluation of internal control over financial reporting, to
     the registrant's auditors and the audit committee of the registrant'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 registrant'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 registrant's
               internal control over financial reporting.

Date: May 5, 2005

/s/ Robert C. Fitting
- -------------------------------------------
Robert C. Fitting, Chief Executive Officer
(Principal Executive Officer)



                                  EXHIBIT 31.2

                                  CERTIFICATION

I, Malcolm C. Persen, certify that:

1.   I have reviewed this annual report on Form 10-K/A of Radyne ComStream 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 operation and cash flows of
     the registrant as of, and for, the periods presented in this report;

4.   The registrant'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 registrant 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
               registrant, 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 registrant'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 registrant's internal
               control over financial reporting that occurred during the
               registrant's most recent fiscal quarter (the registrant's fourth
               fiscal quarter in the case of an annual report) that has
               materially affected, or is reasonably likely to materially
               affect, the registrant's internal control over financial
               reporting; and

5.   The registrant's other certifying officer and I have disclosed, based on
     our most recent evaluation of internal control over financial reporting, to
     the registrant's auditors and the audit committee of the registrant'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 registrant'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 registrant's
               internal control over financial reporting.

Date: May 5, 2005

/s/ Malcolm C. Persen
- -------------------------------------------
Malcolm C. Persen, Chief Financial Officer
(Principal Financial Officer)