32 
DEPTH — FATHOMS 
MANUAL OF CURRENT OBSERVATIONS 
MINIMUM CABLE LENGTH — FATHOMS 
For 7x7x 3/6 Stainless Steel Cable 
80’ ROBERTS RADIO BUOY 
Limiting 
Condition 
IMPORTANT: 
Cable length used should be 
50 to 100 percent greater 
than the minimum as shown MN N 
by this diagram. Saane 
LIMITS 
DEPTH 940 \ DEPTH 370 
CABLE 1443 Pe CABLE 805 
FIGURE 22.—Curves of minimum cable requirement, 80-inch buoy. 
