Could a Faulty AC Power Source Affect Satellite Signal Reception?

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SUMMARY

A faulty AC power source can significantly impact satellite signal reception, particularly when using sensitive electronic equipment. The discussion highlights the difference between pulsed waveform inverters and pure sine wave inverters, emphasizing that the latter is essential for optimal performance of satellite systems. Frequent tripping of GFCI outlets in the marina suggests potential grounding or neutral issues, which may be the root cause of the signal loss experienced on the boat. The user has successfully received signals at other locations, indicating that the problem is likely localized to the marina's power supply.

PREREQUISITES
  • Understanding of AC power systems, including grounding and neutral configurations.
  • Knowledge of inverter types, specifically pulsed waveform and pure sine wave inverters.
  • Familiarity with GFCI outlet functionality and troubleshooting.
  • Basic principles of satellite signal reception and its sensitivity to power quality.
NEXT STEPS
  • Investigate the specifications and performance of pure sine wave inverters for satellite systems.
  • Research troubleshooting techniques for GFCI outlets and shore power systems.
  • Learn about grounding and neutral system configurations in marine electrical systems.
  • Explore the impact of power quality on satellite signal reception and related equipment.
USEFUL FOR

Marine electronics technicians, boat owners with satellite systems, and anyone troubleshooting AC power-related issues affecting signal reception.

Tom B.
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Is it possible that a faulty AC power source could have an effect on receiving a sattelite signal?

I had posted earlier asking what could cause me not to pick up a signal after I had moved a TV system on to my boat in the marina. I have also moved this entire system off of the boat to different sites and have been able to receive at those locations. When I bring it all back to the boat and set it up there is no signal. The only thing that is different is the AC power source.

What I have noticed since being in this marina is the GFCI plugs on board will pop frequently. This never happened when we were here before so I was wondering if my no sattlelite signal problem could stem from this. Could a faulty ground/neutral system be the problem.
 
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yes, in your boat I assume you have a power inveter from 12 or 24 Volts to 120 AC right?


If so, then there are two kinds of inverters. The cheap ones output a pulsed waveform at 120 V, and the more expensive one output a purer sine wave at 120 Volts which what is you are getting in your home outlet.

Pulsed output inverters are good for powering lights, motors, and general higher power applications, but pure sine wave inverters are good for powering sensitive electornic equipment.
 
Do have a pure sine wave inverter. Everything has worked fine until now. Have noticed that the GFCI outlet keeps opening. Haven't figured out why yet but I am sure it is something in the shore power system. Never had any problem until we got to this marina. It's a real stumper.
 

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