system, has never been detected in ing of a hatcheryStockwell saidKVIQ to become CBS affiliateBy ANN M)WE Times-Standard WriterEUREKA — North Coast televi sion viewers had better watch the listings The latest change in the local TV market might switch their favorite shows to different channels.Earlier this week, ABC affiliate KVIQ TV signed an affiliation agreement with CBS Under the agreement, KVIQ will have first choice on all CBS programming to be aired (Mi the North CoastChannel 6 still carries a similar agreement with ABC, General Man ager Pattison Christensen said Fn day Starting Jan 4. the Eureka sta tion probably will broadcast a mixture of CBS and ABC shows, Christensen said, adding that he did not know yet which programs will be chosen or how long his station will keep its affiliation with ABC.rne KVIQ manager also said it is too early to say whether Channel 6 eventually will move to full time CBS programming But he did say it will be good for the station to be the local affiliate for CBS, which has had top ratings in 34 of the last 39 rating periods ‘‘We re very pleased and looking forward to a fine new year for KVIQ,” he said KIEM TV Channel 3, currently a CBS station, officially becomes an NBC affiliate Dec 30 Although the affiliation gives the Channel 3 first rights to all NBC programming, sta tion officials had planned to carry popular shows from both networks.But KIEM will not get to air any CBS programming after Jan. 4, now that the network has signed its contract with KVIQ KIEM Station Manager Peter McNair said he was “not really”disappointed with the network s decision“NBC is an extremely strong entity. and we have faith that it will continue to be,” McNair saidA group trying to establish KREQ Channel 23 in Areata hope the proposed station eventually will get a contract with ABC.Larry Rogow, development director for KREQ backer Venture Technologies of Santa Monica, said the dust is going to settle” soon, now that both KIEM and KVIQ have new affiliations He predicts Channel 6 soon will carry all CBS programming — leaving KREQ open for the ABC showsWhatever the outcome, Rogow said the recent changes in the TV market will make a wider vanety of programming available to North Coast viewers