(6) Magnetometer 
Ranges 20,000 to 100,000 gammas 
Accuracy: +0.01 gamma 
(7) Wave Meter 
Ranger O to 40 feet 
Accuracy: +0.5 foot 
f. Modular construction should be used throughout the system toz 
(1) facilitate maintenance and repair, and (2) to permit special "tailor- 
made" assembling of sensors and recorders in order to augment the partic- 
ular ship's existing instrumentation (such as in the case of Fleet units 
which are already partially equipped). 
g» The recording of all data should be automatic insofar as possible. 
In addition, data readout and recording should be in such form that it 
can be a direct input into the archives of the National Oceanographic 
Data Center. 
Potential Users and Estimated Number of Units Which They May Requires 
ae U. S. Navy - 25 to 100 
b. U. S. Air Force Ocean Range Vessels - 4 to 8 
c.- MSTS and U. S. Merchant Marine - 25 to 50 
ds U. S. Fishing Fleet - 2 to 5 
Total: 56 to 163 
Recommendation Where System Should Be Researched and Developed: 
U. S. Industry. 
Relative Importance to U. S- National Oceanographic Programs 
(1) Of intermediate importance and priority as related to the 
overall U. S. National Oceanographic Program. 
(2) Has a potential of increasing in importance as the National 
Oceanographic Program prooresses, and it can be of valuable assistance 
to the Navy ASWEPS program. 
