tracer• Scan the microwavechannels to find tracersignals. 6.• As the Goshawk flight got closer they could see the flickering criss-cross of tracer.• If you saw the line of tracers from the side, then they were going somewhere else.• As the Fordcharged after the Mercedes, Dunn saw in his wingmirror a spurt of tracerfire.• Suddenly tracers came back from the top.• But the tracer was weaving from side to side.• Delaney jerked the pin from a grenade, tossed it blindly in the direction of the tracer.• Begin monitoring the channels on which tracer signals were found. 8.