###Answer the question from the input provided. Please answer from input only.

###Input: Leonard Goldenson, the president of UPT (which sought to diversify itself at the time), approached Noble in 1951 on a proposal for UPT to purchase ABC. Noble received other offers, including one from CBS founder William S. Paley; however, a merger with CBS would have forced that network to sell its New York City and Los Angeles stations at the very least. Goldenson and Noble reached a tentative agreement in the late spring of 1951 in which UPT would acquire ABC and turn it into a subsidiary of the company that would retain autonomy in its management. On June 6, 1951, the tentative agreement was approved by UPT's board of directors. However, the transaction had to be approved by the FCC because of the presence of television networks and the recent separation between Paramount and UPT. Insofar as Paramount Pictures was already a shareholder in the DuMont Television Network, the FCC conducted a series of hearings to ensure whether Paramount was truly separated from United Paramount Theatres, and whether it was violating antitrust laws.

In 1952, when the release of the FCC's Sixth Report and Order announced the end of its freeze on new station license applications, among the issues the Commission was slated to address was whether to approve the UPT-ABC merger. One FCC Commissioner saw the possibility of ABC, funded by UPT, becoming a viable and competitive third television network. On February 9, 1953, the FCC approved UPT's purchase of ABC in exchange for $25 million in shares. The merged company, renamed American Broadcasting-Paramount Theatres, Inc. and headquartered in the Paramount Building at 1501 Broadway in Manhattan, owned six AM and several FM radio stations, five television stations and 644 cinemas in 300 U.S. cities. To comply with FCC ownership restrictions in effect at the time that barred common ownership of two television stations in the same market, UPT sold its Chicago television station, WBKB-TV, to CBS (which subsequently changed the station's call letters to WBBM-TV) for $6 million, while it kept ABC's existing Chicago station, WENR-TV. The merged company acquired the WBKB call letters for channel 7, which would eventually become WLS-TV. Goldenson began to sell some of the older theaters to help finance the new television network.

The network's flagship owned-and-operated station, WJZ-TV in New York City (later re-called WABC-TV), signed on the air on August 10, 1948, with its first broadcast running for two hours that evening. ABC's other owned-and-operated stations launched over the course of the next 13 months: WENR-TV in Chicago signed on the air on September 17, while WXYZ-TV in Detroit went on the air on October 9, 1948. In October 1948, as a result of an influx of television station license applications that it had issued as well as a study it undertook on the use of the VHF spectrum for broadcasting purposes, the FCC implemented a freeze on new station applications. However, KGO-TV in San Francisco, which had received its license prior to the freeze, made its debut on May 5, 1949. On May 7, 1949, Billboard revealed that ABC had proposed an investment of $6.25 million, of which it would spend $2.5 million to convert 20 acres (80,937 m2) of land in Hollywood into what would become The Prospect Studios, and construct a transmitter on Mount Wilson, in anticipation of the launch of KECA-TV, which was scheduled to begin operations on August 1 (but would not actually sign on until September 16).

The 1960s would be marked by the rise of family-oriented series in an attempt by ABC to counterprogram its established competitors, but the decade was also marked by the network's gradual transition to color. On September 30, 1960, ABC premiered The Flintstones, another example of counterprogramming; although the animated series from William Hanna and Joseph Barbera was filmed in color from the beginning, it was initially broadcast in black-and-white, as ABC had not made the necessary technical upgrades to broadcast its programming in color at the time. The Flintstones allowed ABC to present a novelty, that of prime-time animated programming, but it also allowed the network to begin filling the hole opened by the conclusion of the Disney partnership by carrying family-oriented programming from other producers.

In 1959, Walt Disney Productions, having improved its financial situation, had purchased ABC's shares in the Disneyland theme park for $7.5 million and initiated discussions to renew ABC's television contract for Walt Disney Presents, which was due to expire in 1961. Walt Disney was approached by NBC to produce color broadcasts of his anthology series (which would be renamed Walt Disney's Wonderful World of Color). Goldenson said ABC could not counter the offer, because the network did not have the technical and financial resources to carry the program in the format. As a result, ABC and Disney's first television collaboration ended in 1961 (the network would resume its relationship with Disney in 1985, when the anthology series returned to the network for a three-season run as the Disney Sunday Movie until it lost the rights to NBC again in 1988; the Disney anthology series would return to ABC in 1996, following the company's purchase of the future Capital Cities/ABC, as The Wonderful World of Disney).



###Question: When did WJZ-TV in NYC begin broadcasting?

###Answer: {'answer':'August 10, 1948'}