If the stretches of river you fish for chub are those featureless, barren reaches, with hardly any changes in the pace of the current, or depth; no vegetation; where everything is much of a muchness, then you are unlucky in that the only way you can locate fish is to fish for them, or rely on what other anglers can tell you.
If the stretches of river you fish for chub are those featureless, barren reaches, with hardly any changes in the pace of the current, or depth; no vegetation; where everything is a lot, then you are unlucky in that the only way you can locate fish is to fish for them, or rely on what other anglers can tell you.