EXHIBIT 24.2
 
                               POWER OF ATTORNEY
 
    KNOW ALL PERSONS BY THESE PRESENTS, that Randy Michaels hereby constitutes
and appoints R. Christopher Weber, Jon M. Berry and Paul F. Solomon, or any of
them, as his true and lawful attorneys-in-fact and agents, with full power of
substitutions and resubstitutions, for him and in his name, place and stead, in
any and all capacities, to sign the Form S-3 Registratiion Statement regarding
the shelf registration of certain securities and any or all amendments
(including post-effective amendments) thereto (and to any Registration
Statements filed pursuant to Rule 462 under the Securities Act), and to file the
same, with all exhibits thereto, and all documents in connection therewith, with
the Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the foregoing, as fully as to
all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents, or any of them, or their
or his subsitutute or substitutes, may lawfully do or cause to be done by virtue
hereof.
 
    Pursuant to the requirements of the Securities Act of 1933, as amended, this
Power of Attorney has been signed on April 30, 1998 by Randy Michaels in the
capacities and for the entities indicated.
 

                             
                                /s/ RANDY MICHAELS
                                ------------------------------------------
                                Randy Michaels
                                PRESIDENT
                                of the entities set forth on the attached
                                Schedule 1
                                and
                                DIRECTOR
                                of the entities set forth on the attached
                                Schedule 2

 

                                   SCHEDULE 1
 
                            Broadcast Finance, Inc.
                                Cine Films, Inc.
                             Cine Guarantors, Inc.
                            Cine Guarantors II, Inc.
                            Cine Guarantors II, Ltd.
                        Cine Mobile Systems Int'l. N.V.
                            Cine Movil S.A. de C.V.
                                Citicasters Co.
                                GACC-N26LB, Inc.
                    Great American Merchandising Group, Inc.
                  Great American Television Productions, Inc.
                         Jacor Broadcasting Corporation
                      Jacor Broadcasting of Atlanta, Inc.
                     Jacor Broadcasting of Charleston, Inc.
                      Jacor Broadcasting of Colorado, Inc.
                       Jacor Broadcasting of Denver, Inc.
                    Jacor Broadcasting of Kansas City, Inc.
                     Jacor Broadcasting of Las Vegas, Inc.
                    Jacor Broadcasting of Las Vegas II, Inc.
                     Jacor Broadcasting of Louisville, Inc.
                   Jacor Broadcasting of Louisville II, Inc.
                   Jacor Broadcasting of Salt Lake City, Inc.
                 Jacor Broadcasting of Salt Lake City II, Inc.
                     Jacor Broadcasting of San Diego, Inc.
                      Jacor Broadcasting of Sarasota, Inc.
                     Jacor Broadcasting of St. Louis, Inc.
                     Jacor Broadcasting of Tampa Bay, Inc.
                       Jacor Broadcasting of Toledo, Inc.
                     Jacor Broadcasting of Youngstown, Inc.
                               Jacor Cable, Inc.
                       Jacor Licensee of Charleston, Inc.
                      Jacor Licensee of Kansas City, Inc.
                       Jacor Licensee of Las Vegas, Inc.
                      Jacor Licensee of Las Vegas II, Inc.
                       Jacor Licensee of Louisville, Inc.
                     Jacor Licensee of Louisville II, Inc.
                     Jacor Licensee of Salt Lake City, Inc.
                   Jacor Licensee of Salt Lake City II, Inc.
                          Jacor/Premiere Holding, Inc.
                                   JBSL, Inc.
                           Location Productions, Inc.
                         Location Productions II, Inc.
                          Noble Broadcast Center, Inc.
                          Noble Broadcast Group, Inc.
                         Noble Broadcast Holdings, Inc.
                         Noble Broadcast Licenses, Inc.
                       Noble Broadcast of San Diego, Inc.
                           Nova Marketing Group, Inc.
                           NSN Network Services, Ltd.
                            Radio-Active Media, Inc.
                        Sports Radio Broadcasting, Inc.
                               Sports Radio, Inc.
                      The Sy Fischer Company Agency, Inc.
                                VTTV Productions
                                   WHOK, Inc.

                                   SCHEDULE 2
 
                        Inmobiliaria Radial, S.A. de C.V
                      Jacor Broadcasting of Florida, Inc.
                                  Nobro, S.C.