A separately derived system (SDS) has no direct connection to other sources except through grounding and bonding. Grounding and bonding must be performed at the source, not on the load side, to ...

Specializing in grounding for AM broadcast and lightning protection, AM Ground Systems Company offers comprehensive ground system inspection, evaluations and repair. Using state-of-the art test ...

HISTORY: High Resistance Grounding is a means of limiting ground fault current in electrical systems. Unrestrained fault current can cause severe equipment damage, product destruction, and personnel ...

As the FCC continues to delete mandatory measurements and checksfrom the Part 73 rules, some unintentional traps are opened for theunwary engineer. Over the years old-timers have become accustomed ...

This 2016, photo provided by Lockheed Martin, shows the first GPS III satellite inside the anechoic test facility at Lockheed Martin's complex south of Denver. The facility is used to ensure the ...