Now that it has lost its network affiliation, the owner of San Francisco’s Channel 20 announced today it is putting the station up for sale. Granite Broadcasting Corp., which operates 20 stations in eight markets, had planned to sell KBWB Channel 20 to a private capital group and several of Granite’s major shareholders. But on Jan. 24, CBS and Time Warner announced that they planned to close their respective UPN and WB networks and jointly launch the CW Network in September. Locally, CBS-owned KBHK 44 will become the CW affiliate, leaving Channel 20 without a network. Today (Feb. 15), Granite dropped plans to sell the station to the shareholder group and instead put KBWB on the market. The price is expected to be around $100 million. Granite bought the station from Jim Gabbert in 2000 for $170 million. Under Gabbert’s ownership, Channel 20 was best known for its station IDs featuring pets of viewers.