Electronic surveying and navigation

Electronic surveying and navigation

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The readout is manually adjusted to bring the null meter pointer to midposi- tion separately for each of the four modulation frequencies. The entire measuring unit of the H-P 3800 is set on a tribrach with forced-centering capabilities. A poweranbsp;...

Title:Electronic surveying and navigation
Author:Simo Heikki Laurila
Publisher:Wiley-Interscience - 1976


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