Fax the radio using this process. The Western Union "Deskfax" fax machine, announced in 1948, was a compact machine that fit comfortably on a desktop, using special spark printer paper. As a designer for the Radio Corporation of America (RCA), in 1924, Richard H. Ranger invented the wireless photoradiogram, or transoceanic radio facsimile, the forerunner of today’s "fax" machines. A photograph of President Calvin Coolidge sent from New York to London on November 29, 1924, became the first photo picture reproduced by transoceanic radio facsimile. Commercial use of Ranger’s product began two years later. Also in 1924, Herbert E. Ives of
Junk fax transmitting organization or individual on each page. The process of war dialing to determine what phone numbers reach fax machines was also prohibited by the FCC rules under the TCPA. The TCPA, in particular the junk fax provision, has been challenged in court on First Amendment grounds, but the law has withstood legal challenges. In 2005, the United States Congress passed the Junk Fax Prevention Act of 2005. It amended the TCPA so as to no longer prohibit unsolicited fax advertisements if: and the sender complies with other requirements. In April 2006, the Federal Communications Commission (FCC) implemented changes to