 As a consequence, in three of the top 10 media markets – Boston, Dallas/Fort Worth and San Francisco – programs from The WB, UPN and MyNetworkTV were all available to viewers from September 5 to 17.MyNetworkTV affiliated with longtime former independent stations WZMY (channel 50) in Derry, New Hampshire (serving the Boston market) and KDFI, while in San Francisco the network affiliated with former longtime NBC affiliate KRON-TV (channel 4; WB affiliate KBWB channel 20, reverted to independent status).Other stations elected to become (or revert to) independent stations as well, particularly in situations where either more than two non-major network affiliate stations existed or another station picked up an affiliation with The CW or MyNetworkTV via a digital subchannel.