dosboot
Member
Just a question, I see yagi antenna on utility poles, what type of communication are there used for, my guess is monitoring purposes.
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Yegi antenna on utilitypole
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mmckenna
I ♥ Ø
Often they are used by the electric utility for control and monitoring of their systems. Might be remote controlled switching gear, monitoring circuit breakers, load/voltage, etc.
Around me, they are also used for feeding local nodes of the remote meter reader systems. The system here uses 900MHz to talk with the meters. That data is uploaded to the utility via cellular data connections, and those often have small Yagi antennas pointed at cell sites.
You'll see them a lot next to bridges over water. Used for creek/river water level monitoring. Reporting back to the mothership.
Also used by DOT to sync traffic lights.
lenk911
Member
These 400 MHZ cross polarization Yagi antennas pointing skyward and are for a river gauge system operated by the USGS and NOAA. You should be able to go on the internet and see the reporting data for the locations you are seeing. You are correct, they report river elevation and flow.
dosboot
Member
I’ve seen those, I knew that was for stage data, but the pole wasn’t sure.
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