PCWA-L 467.pdf - PCWA Middle Fork American River Project ...

106 MEASUREMENT OF STAGE AND DISCHARGE
The handline is made up of two separate cables that are electrically
connected at a reel (fig. 63). The upper or hand cable is that part ofthe
handline that is used above the water surface. It is a heavy-duty
two-conductor electric cable, whose thick rubber protective covering
makes the cable comfortable to handle. At its upper end is a connection
for the headphone. The lower or sounding cable is a light
reverse-lay steel cable with an insulated core. A connector joins the
lower-end of the sounding cable to the hanger that is used as a mount
for the current meter and sounding weight. Sounding cable in excess
ofthe length needed to sound the stream being measured L, wound on
FIGURE 61.-Handhne,