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                                                                    Exhibit 3.78

                          CERTIFICATE OF INCORPORATION

                                       OF

                   SILVER KING BROADCASTING OF VINELAND, INC.


         FIRST. The name of the corporation is SILVER KING BROADCASTING OF
VINELAND INC.

         SECOND. Its registered office in the State of Delaware is to be located
at 1209 Orange Street, in the City of Wilmington, County of New Castle, 19801.
The registered agent in charge thereof is The Corporation Trust Company.

         THIRD.  The purpose or purposes of the corporation are as follows:

                  (a) To engage in the business of transmitting, receiving,
relaying and/or distributing radio and/or television broadcasts, pictures,
sounds, signals, and messages of all kinds by means of waves, radiation, wire,
cable, radio, light or other means of communication of any type, kind or nature;

                  (b) To purchase or otherwise acquire (for cash, notes, stock
or bonds of this corporation or otherwise) assets used or useful in the
aforesaid business, and to undertake or assume the whole or any part of any
obligations and/or liabilities attendant thereto;

                  (c) In general, to carry on any other business in connection
with the foregoing; and
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                  (d) To engage in any lawful act or activity for which
corporations may be organized under the General Corporation Law of the State of
Delaware, and to have and exercise all the powers conferred by the laws of the
State of Delaware upon corporations formed under the General Corporation Law of
the State of Delaware.

         FOURTH. The amount of the total authorized capital stock of this
corporation shall be one thousand (1,000) shares of voting common stock, with a
par value of one cent ($0.01) per share.

         FIFTH. The name and mailing address of the incorporator is as follows:
                
                Sheryl P. Lepisto
                1255 Twenty-Third Street, N.W.
                Suite 500
                Washington, D.C.  20037

         SIXTH. In furtherance and not in limitation of the powers conferred by
statute, the Board of Directors of the corporation shall have the following
powers:

                  (a) To adopt, and to alter or amend the Bylaws, to fix the
amount to be reserved as working capital, and to authorize and cause to be
executed mortgages and liens (without limit as to the amount) upon the property
of this corporation; and 

                  (b) With the consent in writing or pursuant to a vote of the
holders of a majority of the capital stock issued and outstanding, to dispose
of, in any manner, all or substantially all of the property of this corporation.
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         SEVENTH. The shareholders and directors shall have the power to hold
their meetings and keep the books, documents and papers of the corporation
within or outside the State of Delaware and at such place or places as may be
from time to time designated by the Bylaws or by resolution of the shareholders
or directors, except as otherwise required by the laws of the State of Delaware.

         EIGHTH. The objects, purposes and powers specified in any clause or
paragraph of this Certificate of Incorporation shall be in no way limited or
restricted by reference to or inference from terms of any other clause or
paragraph of this Certificate of Incorporation. The objects, purposes and powers
in each of the clauses and paragraphs of this Certificate of Incorporation shall
be regarded as independent objects, purposes and powers. The objects, purposes
and powers specified in this Certificate of Incorporation are in furtherance and
not in limitation of the objects, purposes and powers conferred by statute.

         NINTH. No director of the corporation shall have any personal liability
to the corporation or its stockholders for monetary damages for breach of
fiduciary duty as a director unless it shall ultimately be determined in a civil
or criminal action, suit or proceeding that the director: (i) breached his duty
of loyalty to the corporation or its stockholders, (ii) committed acts or
omissions which were not in good faith or which involved intentional misconduct
or a knowing violation of law, (iii) committed a breach of Section 174 of the
General Corporation Law of the State of 

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Delaware, or (iv) derived improper personal benefit in any corporate
transaction. The corporation shall have the power to indemnify its officers,
directors, employees and agents, and such other persons as may be designated as
set forth in the Bylaws, to the full extent permitted by the laws of the State
of Delaware.

         TENTH. The corporation shall have perpetual existence.

         The undersigned, Sheryl P. Lepisto, for the purpose of forming a
corporation under the laws of the State of Delaware, does hereby make, file and
record this Certificate of Incorporation and does hereby certify that the facts
herein stated are true, and has accordingly hereunto set her hand and seal.


                                            /s/ Sheryl P. Lepisto
                                            _______________________________
                                            Sheryl P. Lepisto




Dated:  August 11, 1986

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                            CERTIFICATE OF AMENDMENT
                                       OF
                          CERTIFICATE OF INCORPORATION
                                       OF
                   SILVER KING BROADCASTING OF VINELAND, INC.

         SILVER KING BROADCASTING OF VINELAND, INC., a corporation organized and
         existing under and by virtue of the General Corporation Law of the
         State of Delaware,

                               DOES HEREBY CERTIFY

                  FIRST: That by Unanimous Written Consent, the Board of
         Directors of SILVER KING BROADCASTING OF VINELAND, INC. (the
         "Corporation") duly adopted resolutions setting forth a proposed
         amendment of the Certificate of Incorporation of the Corporation and
         directed that the amendment be submitted to a vote of the sole
         Shareholder. The resolution setting forth the proposed amendment is as
         follows:
                  "Resolved, that paragraph One of the Certificate of
                  Incorporation shall be amended in its entirety and
                  restated as follows:
                           `1.  The name of the corporation is HSN
                  BROADCASTING OF VINELAND, INC.'"

                  SECOND: That thereafter, pursuant to resolutions of the Board
         of Directors, the sole Shareholder of the Corporation by Written
         Consent waived any and all notice and adopted a resolution in favor of
         the amendment.

                   THIRD: That the amendment was duly adopted in accordance with
         the provisions of Section 242 of the General Corporation Law of the
         State of Delaware.
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                   FOURTH: That the capital of the Corporation shall not be
         reduced under or by reason of the amendment.

                   IN WITNESS WHEREOF, the Corporation has caused this
         Certificate to be signed by James J. Flynn, its President, and Nando
         DiFillippo, Jr., its Secretary, this 31st day of May 1989.


                                           SILVER KING BROADCASTING OF
                                              VINELAND, INC.


                                           By: /s/ James J. Flynn
                                               _____________________________
                                                 James J. Flynn, President


          Attest:

          /s/ Nando DiFilippo, Jr.
          _______________________________
          Nando DiFilippo, Jr., Secretary
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                            CERTIFICATE OF AMENDMENT
                                       OF
                          CERTIFICATE OF INCORPORATION
                                       OF
                       HSN BROADCASTING OF VINELAND, INC.

         HSN BROADCASTING OF VINELAND, INC., a corporation organized and
existing under and by virtue of the General Corporation Law of the State of
Delaware,

                              DOES HEREBY CERTIFY:
         FIRST: That by Unanimous Written Consent, the Board of Directors of HSN
Broadcasting of Vineland, Inc., duly adopted resolutions setting forth a
proposed amendment to the Certificate of Incorporation of the corporation, and
directed that the amendment be submitted to a vote of the sole shareholder. The
resolution setting forth the proposed amendment is as follows:

         "RESOLVED, that paragraph one of the Certificate of Incorporation shall
be amended in its entirety and restated as follows:

         `1. The Name of the corporation is Silver King Broadcasting of
Vineland, Inc.'"

         SECOND: That thereafter, pursuant to resolutions of the Board of
Directors, the sole shareholder of the Corporation by Written Consent waived any
and all notice and adopted a resolution in favor of the amendment.

         THIRD: That the amendment was duly adopted in accordance with the
provisions of Section 242 of the General Corporation Law of the State of
Delaware.
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         FOURTH: That the capital of the Corporation shall not be reduced under
or by reason of the amendment.

         IN WITNESS WHEREOF, the Corporation has caused this Certificate to be
signed by Jeffrey McGrath, its President, and Michael Drayer, its Assistant
Secretary, this 1st day of October, 1992.

                                            HSN BROADCASTING OF VINELAND, INC.

                                            By: /s/ Jeffrey McGrath
                                                __________________________
                                                Jeffrey McGrath, President
Attest:

/s/ Michael Drayer
_______________________________
Michael Drayer, Asst. Secretary

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                            CERTIFICATE OF AMENDMENT

                                       OF

                          CERTIFICATE OF INCORPORATION

                                       OF

                   SILVER KING BROADCASTING OF VINELAND, INC.

                                     *****

     Silver King Broadcasting of Vineland, Inc., a corporation organized and 
existing under and by virtue of the General Corporation Law of the State of 
Delaware,

                              DOES HEREBY CERTIFY:

FIRST:         That the Board of Directors of said corporation, by the unanimous
               written consent of its members, filed with the minutes of the
               Board, duly adopted a resolution proposing and declaring
               advisable an amendment to the Certificate of Incorporation of the
               Company, and directed that the amendment be submitted to a vote
               of the sole shareholder. The resolution setting forth the
               proposed amendment is as follows:

                    "RESOLVED, that paragraph one of the Certificate of
                    Incorporation be amended in its entirety and restated as
                    follows: FIRST: The name of the corporation is USA Station
                    Group of Vineland, Inc."

SECOND:        That in lieu of a meeting and vote of stockholders, the sole
               shareholder of the Company by unanimous written consent adopted a
               resolution in favor of the amendment in accordance with the
               provisions of Section 228 of the General Corporation Law of the
               State of Delaware.


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THIRD:    That the aforesaid amendment was duly adopted in accordance with the
          applicable provisions of Sections 242 and 228 of the General
          Corporation Law of the State of Delaware. 

FOURTH:   That this Certificate of Amendment of the Certificate of Incorporation
          shall be effective upon filing with the office of the Secretary of
          State of the State of Delaware.

IN WITNESS WHEREOF, said Silver King Broadcasting of Vineland, Inc. has caused
this certificate to be signed by H. Steven Holtzman, its Assistant Secretary,
this 20th day of February, 1998.


                         Silver King Broadcasting of Vineland, Inc.


                         By:  /s/ H. Steven Holtzman
                              _____________________________________
                              H. Steven Holtzman
                              Secretary