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  1. Solved: RF Interference from Dimmer Switches - QRZ Forums

    Sep 24, 2022 · Quin and Tom explain how to get rid of RF interference from dimmer switches used to control LED lights. A real story that involves neighbors, the power...

  2. Solving RF Interference: A 1-Year Study of Sources and Solutions

    Sep 18, 2023 · See how I tracked all significant sources of RF interference for a year. Simple equipment and careful interaction with neighbors solved HF noise issues...

  3. GMRS Interference - RadioReference.com Forums

    Jan 29, 2025 · Chasing down interference can be a hassle at times. How are you powering your DB20-G? I know they come with a cigarette lighter adaptor but those can pickup interference from the …

  4. Interference (cell phone charger) - RadioReference.com Forums

    Jul 16, 2022 · I thought I would post a screen capture of the interference on my waterfall from my Samsung S9 when it's charging. I am using a SDRplay RSPdx and SDRuno software. Everything on …

  5. Strange Interference Issue with SDR - RadioReference.com Forums

    Jul 15, 2024 · I don't exactly know where to post this, but because it involves HF, I guess I'll post it here. After Hurricane Beryl moved through my area (40-50 MPH winds, not much rain), I seemed to have …

  6. Noise Interference on Repeater… | RadioReference.com Forums

    Feb 17, 2024 · It has been having some kind of interference issue when a radio stops transmitting on it. I’ve had this issue with the repeater before, (Motorola R1225) and I couldn’t seem to fix it. All the …

  7. DMR Interference on GMRS - RadioReference.com Forums

    Jun 4, 2021 · Myself and several other users have been experiencing intermittent interference on most of the GMRS repeater outputs, especially 462.550. It's also been present on the 462 MHz …

  8. Cleaning up noisy signals, band stop filter, and interference

    Jan 18, 2023 · I'm looking to "clean up" some noise both in general as well as in some signals. I'm sure I have interference I'm just not sure where to start with it. My first concern is the FM radio band 88 …

  9. Horrible Interference on repeater - RadioReference.com Forums

    May 29, 2024 · A simple test for intermod being generated inside your repeater is to slam a 10dB attenuator on the receiver port and see if the interference decreases and range increases.

  10. 3rd Order Intermodulation Interference on Repeater Receiver

    Jan 24, 2017 · What is the best way to reject 3rd Order Intermodulation Interference on a Repeater Receiver? Add additional filtering on the receive side of the duplexer?