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Use of Global Positioning System (GPS) receivers under power-line conductors

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2 Author(s)
Silva, J.M. ; Enertech Consultants, Campbell, CA, USA ; Olsen, R.G.

The use of Global Positioning System (GPS) technology continues to grow and accuracy augmentations will generate ever more innovative applications. The issue of GPS use under or near electric power lines has been raised since some GPS documents have vague warnings about such use. First, GPS and the satellite microwave signals used to determine position, velocity, and time are described. Then, the potential effects of electromagnetic interference and/or signal scattering from overhead conductors are evaluated analytically and with some practical measurements under transmission lines. This work demonstrates that it is unlikely that power line conductors will interfere with use of the GPS satellite signals.

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Power Delivery, IEEE Transactions on  (Volume:17 ,  Issue: 4 )