There's a loud hum noise in my feed when I power my scanner with the wall outlet and it's louder when I use a UPC. Can anyone help solve this? It sounds great when running on batteries but I can't do that all the time. My scanner is a Pro 106.
Link to my feed - Sherwood Police and Fire
I have mp3 files saved of my feed with all different variations, battery with ground loop isolator/wall outlet/upc...but had to zip them to attach them here. What's weird with batteries is the volume is louder with the loop isolator than without it, not sure why on that.
Below are my specs and what I'm using:
Raspberry Pi 2 Model B Project Board - 1GB RAM - 900 MHz Quad-Core CPU - http://amzn.com/B00T2U7R7I
NorthPada Micro USB Mains Power Wall Supply Charger (LA-520WF) - http://amzn.com/B00OY7HR1U
Memory Card for Raspberry Pi - http://amzn.to/1U2r8JG
Syba SD-CM-UAUD USB Stereo Audio Adapter, C-Media Chipset, RoHS - http://amzn.com/B001MSS6CS'
3.5mm audo cable - similar to this one - http://amzn.com/B00D477O3W
PAC SNI-1/3.5 3.5-mm Ground Loop Noise Isolator - http://amzn.com/B001EAQTRI - Added this today.
APC UPS - http://amzn.com/B00DJG83KQ
Link to my feed - Sherwood Police and Fire
I have mp3 files saved of my feed with all different variations, battery with ground loop isolator/wall outlet/upc...but had to zip them to attach them here. What's weird with batteries is the volume is louder with the loop isolator than without it, not sure why on that.
Below are my specs and what I'm using:
Raspberry Pi 2 Model B Project Board - 1GB RAM - 900 MHz Quad-Core CPU - http://amzn.com/B00T2U7R7I
NorthPada Micro USB Mains Power Wall Supply Charger (LA-520WF) - http://amzn.com/B00OY7HR1U
Memory Card for Raspberry Pi - http://amzn.to/1U2r8JG
Syba SD-CM-UAUD USB Stereo Audio Adapter, C-Media Chipset, RoHS - http://amzn.com/B001MSS6CS'
3.5mm audo cable - similar to this one - http://amzn.com/B00D477O3W
PAC SNI-1/3.5 3.5-mm Ground Loop Noise Isolator - http://amzn.com/B001EAQTRI - Added this today.
APC UPS - http://amzn.com/B00DJG83KQ
Attachments
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with ground loop isolator - scanner power APC UPS.zip157.3 KB · Views: 37
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with ground loop isolator - scanner power batteries.zip101.4 KB · Views: 39
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with ground loop isolator - scanner power wall outlet.zip90.6 KB · Views: 32
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without ground loop isolator - scanner power APC UPS.zip84.1 KB · Views: 40
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without ground loop isolator - scanner power batteries.zip81.2 KB · Views: 35
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