UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                               (AMENDMENT NO. 1)*

                                  Radnet, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                    Common Stock, $0.0001par value per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    750491102
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                December 31, 2006
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

|_|   Rule 13d-1(b)
|X|   Rule 13d-1(c)
|_|   Rule 13d-1(d)

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).




CUSIP No. 750491102
--------------------------------------------------------------------------------
1       NAME OF REPORTING PERSON
        I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

        Trinad Capital Master Fund, Ltd.    98-0447604
--------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
        (a) |_|
        (b) |X| (joint filers)

--------------------------------------------------------------------------------
3       SEC USE ONLY

--------------------------------------------------------------------------------
4       CITIZENSHIP OR PLACE OF ORGANIZATION

        Cayman Islands
--------------------------------------------------------------------------------
 NUMBER OF SHARES   5     SOLE VOTING POWER
BENEFICIALLY OWNED
 BY EACH REPORTING
    PERSON WITH
                    ------------------------------------------------------------
                    6     SHARED VOTING POWER

                          1,704,200
                    ------------------------------------------------------------
                    7     SOLE DISPOSITIVE POWER


                    ------------------------------------------------------------
                    8     SHARED DISPOSITIVE POWER

                          1,704,200
--------------------------------------------------------------------------------
9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

        1,704,200
--------------------------------------------------------------------------------
10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
        |_| (See Instructions)

--------------------------------------------------------------------------------
11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        4.9%
--------------------------------------------------------------------------------
12      TYPE OF REPORTING PERSON  (See Instructions)

        CO
--------------------------------------------------------------------------------



CUSIP No. 750491102
--------------------------------------------------------------------------------
1       NAME OF REPORTING PERSON
        I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

        Trinad Management, LLC   20-0591302
--------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
        (a) |_|
        (b) |X| (joint filers)

--------------------------------------------------------------------------------
3       SEC USE ONLY

--------------------------------------------------------------------------------
4       CITIZENSHIP OR PLACE OF ORGANIZATION

        Delaware
--------------------------------------------------------------------------------
 NUMBER OF SHARES   5     SOLE VOTING POWER
BENEFICIALLY OWNED
 BY EACH REPORTING
    PERSON WITH
                    ------------------------------------------------------------
                    6     SHARED VOTING POWER

                          1,704,200
                    ------------------------------------------------------------
                    7     SOLE DISPOSITIVE POWER


                    ------------------------------------------------------------
                    8     SHARED DISPOSITIVE POWER

                          1,704,200
--------------------------------------------------------------------------------
9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

        1,704,200
--------------------------------------------------------------------------------
10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
        |_| (See Instructions)

--------------------------------------------------------------------------------
11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        4.9%
--------------------------------------------------------------------------------
12      TYPE OF REPORTING PERSON  (See Instructions)

        IA
--------------------------------------------------------------------------------



CUSIP No. 750491102
--------------------------------------------------------------------------------
1       NAME OF REPORTING PERSON
        I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

        Robert S. Ellin
--------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
        (a) |_|
        (b) |X| (joint filers)

--------------------------------------------------------------------------------
3       SEC USE ONLY

--------------------------------------------------------------------------------
4       CITIZENSHIP OR PLACE OF ORGANIZATION

        United States
--------------------------------------------------------------------------------
 NUMBER OF SHARES   5     SOLE VOTING POWER
BENEFICIALLY OWNED
 BY EACH REPORTING
    PERSON WITH
                    ------------------------------------------------------------
                    6     SHARED VOTING POWER

                          1,704,200
                    ------------------------------------------------------------
                    7     SOLE DISPOSITIVE POWER


                    ------------------------------------------------------------
                    8     SHARED DISPOSITIVE POWER

                          1,704,200
--------------------------------------------------------------------------------
9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

        1,704,200
--------------------------------------------------------------------------------
10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
        |_|(See Instructions)

--------------------------------------------------------------------------------
11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        4.9%
--------------------------------------------------------------------------------
12      TYPE OF REPORTING PERSON (See Instructions)

        IN
--------------------------------------------------------------------------------



CUSIP No. 750491102
--------------------------------------------------------------------------------
1       NAME OF REPORTING PERSON
        I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

        Jay A. Wolf
--------------------------------------------------------------------------------
2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
        (a) |_|
        (b) |X| (joint filers)

--------------------------------------------------------------------------------
3       SEC USE ONLY

--------------------------------------------------------------------------------
4       CITIZENSHIP OR PLACE OF ORGANIZATION

        United States
--------------------------------------------------------------------------------
 NUMBER OF SHARES   5     SOLE VOTING POWER
BENEFICIALLY OWNED
 BY EACH REPORTING
    PERSON WITH
                    ------------------------------------------------------------
                    6     SHARED VOTING POWER

                          1,704,200
                    ------------------------------------------------------------
                    7     SOLE DISPOSITIVE POWER


                    ------------------------------------------------------------
                    8     SHARED DISPOSITIVE POWER

                          1,704,200
--------------------------------------------------------------------------------
9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

        1,704,200
--------------------------------------------------------------------------------
10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
        |_| (See Instructions)

--------------------------------------------------------------------------------
11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

        4.9%
--------------------------------------------------------------------------------
12      TYPE OF REPORTING PERSON (See Instructions)

        IN
--------------------------------------------------------------------------------




CUSIP No. 750491102


Item 1.

(a) Name of Issuer

Radnet, Inc., a New York corporation (the "Issuer")

(b) Address of Issuer's Principal Executive Offices

5966 La Place Court, Carlsbad, California 92008

Item 2.

(a) Name of Person Filing

Trinad Capital Master Fund, Ltd.
Trinad Management, LLC
Robert S. Ellin
Jay A. Wolf

 (b) Address of Principal Business Office or, if none, Residence

The address of the principal business office of Trinad Capital Master Fund, Ltd,
Trinad  Management,  LLC,  Robert S. Ellin and Jay A. Wolf is 2121 Avenue of the
Stars, Suite 1650, Los Angeles, California 90067.

(c) Citizenship

Trinad Capital Master Fund, Ltd. - Cayman Islands

Trinad Management, LLC - Delaware

Robert S. Ellin - United States

Jay A. Wolf - United States

 (d) Title of Class of Securities

Common Stock, $0.0001par value per share, of the Issuer ("Common Stock")

(e) CUSIP Number

750491102

Item 3.

Not Applicable.



CUSIP No. 750491102


Item 4. Ownership

(a)   Amount beneficially owned:

           Trinad Capital Master Fund, Ltd                1,704,200
           Trinad Management, LLC                         1,704,200
           Robert S. Ellin                                1,704,200
           Jay A. Wolf                                    1,704,200

(b)   Percent of Class

           Trinad Capital Master Fund, Ltd                     4.9%
           Trinad Management, LLC                              4.9%
           Robert S. Ellin                                     4.9%
           Jay A. Wolf                                         4.9%

The percentages used herein and are calculated based on the 34,158,785 shares of
Common  Stock  reported by the Company to be issued  outstanding  on January 17,
2007 as reported in the Company's  Form 10-K, as filed with the  Securities  and
Exchange Commission on February 7, 2007.

(c)   Number of shares as to which the person has:

(i)   Sole power to vote or to direct the vote:

                                        0

(ii)  Shared power to vote or to direct the vote:

                                    1,704,200

(iii) Sole power to dispose or to direct the disposition of:

                                        0

(iv)  Shared power to dispose or to direct the disposition:

                                    1,704,200

Trinad  Management,  LLC serves as investment  adviser to Trinad  Capital Master
Fund, Ltd. By reason of such relationship  Trinad Management,  LLC may be deemed
to share  voting and  dispositive  power over the shares of Common  Stock  owned
directly by Trinad Capital Master Fund,  Ltd. Trinad  Management,  LLC disclaims
beneficial  ownership of the shares of Common Stock listed as beneficially owned
by Trinad Capital Master Fund, Ltd.

Robert S. Ellin  serves as portfolio  manager and the managing  member of Trinad
Management, LLC, the manager of the Trinad Capital Master Fund, Ltd. Jay A. Wolf
serves as portfolio manager and managing director of Trinad Management, LLC, the
manager of the Trinad Capital Master Fund, Ltd. By reason of such  relationships
Robert S. Ellin and Jay A. Wolf may be deemed to share  voting  and  dispositive
power over the shares of common  stock  listed as  beneficially  owned by Trinad
Capital Master Fund,  Ltd.  Robert S. Ellin and Jay A. Wolf disclaim  beneficial
ownership of the shares of common stock listed as  beneficially  owned by Trinad
Capital Master Fund, Ltd. or any other person reporting on the schedule.



CUSIP No. 750491102


Item 5.  Ownership of Five Percent or Less of a Class

If this  statement  is being filed to report the fact that as of the date hereof
the  reporting  person has ceased to be the  beneficial  owner of more than five
percent of the class of securities, check the following /x/.

Item 6    Ownership of More than Five Percent on Behalf of Another Person

Not Applicable.

Item 7 Identification  and  Classification  of the Subsidiary Which Acquired the
Security Be Reported on by the Parent Holding Company:

Not Applicable.

Item 8 Identification and Classification of Members of the Group:

Not Applicable.

Item 9.  Notice of Dissolution Of Group:

Not Applicable.

Item 10. Certification:

By signing below each signatory certifies that, to the best of its knowledge and
belief, the securities  referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing  the control of the
Issuer of the  securities  and were not acquired and are not held in  connection
with or as a participant in any transaction having a purpose or effect.

Exhibits:

Exhibit 1: Joint Filing  Agreement,  dated as of February 16, 2007, by and among
Trinad Capital Master Fund, Ltd, Trinad Management, LLC, Robert S. Ellin and Jay
A. Wolf





CUSIP No. 750491102


                                    SIGNATURE

After  reasonable  inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

  TRINAD CAPITAL MASTER FUND, LTD.         TRINAD MANAGEMENT, LLC
  a Cayman Islands exempted company        a Delaware limited liability company



  By:    /s/ Robert S. Ellin               By:  /s/ Robert S. Ellin
         -------------------                    -------------------
         Robert S. Ellin, Director              Robert S. Ellin, Managing Member

Date: February 16, 2007                    Date: February 16, 2007

By:      /s/ Robert S. Ellin               By:  /s/ Jay A. Wolf
         -------------------                    ---------------
         Robert S. Ellin, an individual         Jay A. Wolf, an individual

Date: February 16, 2007                    Date: February 16, 2007


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

The  original  statement  shall be signed by each  person  on whose  behalf  the
statement is filed or his authorized representative.  If the statement is signed
on behalf of a person by his authorized  representative (other than an executive
officer  or  general   partner  of  the   filing   person),   evidence   of  the
representative's  authority to sign on behalf of such person shall be filed with
the  statement,  provided,  however,  that a power of attorney  for this purpose
which is already on file with the Commission may be  incorporated  by reference.
The name and any title of each person who signs the statement  shall be typed or
printed beneath his signature.

Attention.  Intentional  misstatements  or omissions of fact constitute  Federal
criminal violations (See 18 U.S.C. 1001).




CUSIP No. 750491102


                                    EXHIBIT I
                             JOINT FILING AGREEMENT
                            PURSUANT TO RULE 13D-1(k)

The undersigned  acknowledge and agree that the foregoing  statement on Schedule
13D is filed  on  behalf  of each of the  undersigned  and  that all  subsequent
amendments to this statement on Schedule 13D shall be filed on behalf of each of
the undersigned  without the necessity of filing  additional  joint  acquisition
statements.  The undersigned  acknowledge that each shall be responsible for the
timely filing of such  amendments,  and for the completeness and accuracy of the
information concerning him or it contained therein, but shall not be responsible
for the  completeness  and accuracy of the  information  concerning  the others,
except to the  extent  that he or it knows or has  reason to  believe  that such
information is inaccurate.


  TRINAD CAPITAL MASTER FUND, LTD.         TRINAD MANAGEMENT, LLC
  a Cayman Islands exempted company        a Delaware limited liability company




  By:    /s/ Robert S. Ellin               By: /s/ Robert S. Ellin
         -------------------                   -------------------
         Robert S. Ellin, Director             Robert S. Ellin, Managing Member

Date: February 16, 2007                    Date: February 16, 2007

By:      /s/ Robert S. Ellin               By: /s/ Jay A. Wolf
         -------------------                   ---------------
         Robert S. Ellin, an individual        Jay A. Wolf, an individual

Date: February 16, 2007                    Date: February 16, 2007