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FCC modifies testing for level probing radars

FCC Open Meeting - Broadband Plan

The U.S. Federal Communications Commission (FCC) has revised its Part 15 rules regarding the measurement of emissions produced by level probing radars (LPRs).

LPRs are low-power radar devices that measure the level of various substances contained in natural or man-made structures, such as water basins, coal piles and oil storage tanks. LPRs can provide important information regarding critical material levels, thereby limiting exposure of maintenance personnel to high-risk substances and reducing incidents of spillage or overflow.

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A Dash of Maxwell’s: A Maxwell’s Equations Primer – Part Two

Maxwell’s Equations are eloquently simple yet excruciatingly complex. Their first statement by James Clerk Maxwell in 1864 heralded the beginning of the age of radio and, one could argue, the age of modern electronics.

Until now, LPRs have been certified by the FCC under the general technical standards for intentional radiators. However, manufacturers have reportedly encountered challenges in meeting the FCC’s emission limits due to the specific reflective properties of some of the containment structures in which LPRs are used. To address this challenge, the Commission has modified its testing of LPRs to account for the signal attenuation due to reflection in certain applications, while continuing to protect nearby receivers from potential interference.

Read the complete text of the Commission’s Report and Order modifying the testing procedure for level probing radars (LPRs). 



 

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