...comments -- nearly all of the speakers were setnetters. One setnetter, Andy Hall, questioned the reliability of the sonar equipment used to count the king salmon population, saying that the data from the sportfishing division was not reliable...

...new gear, but we also, because of the uncertainty we currently face, want to have a good idea of what that new sonar equipment is actually measuring relative to the abundance of king salmon. "... We may find that the DIDSON isn't estimating...

...was from the government, one was from a private research institution and the third runs a company that makes the sonar equipment. But environmentalists, who are trying to get a judge to block the use of the sonar, brought in their own scientist...