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Great SWR but lots of static like something is running

jzarick

Member
Premium Subscriber
Joined
Feb 26, 2008
Messages
26
I just bought a A99. Couldn't wait to get it. Put it up. Grabbed a crappy radio to test swr. SWR good around 1 to 1.2. Grabbed my President Mckinley and turned it on. Static lots of it drowning everything out. Disconnect the power source and hooked to battery no change. Sounds like something running. Bought thicker copper grounding no change. My question is if I bought an antenna tuner will I be able to clear the noise up. I forgot to mention I took the antenna down and moved it all over my backyard to no avail. One more thing I will do is turn off the power to my house and see if something in my house is causing the interference. More than likely I will return this if I can't resolve this. So far really disappointed.
 

KB4MSZ

Billy
Premium Subscriber
Joined
Mar 12, 2018
Messages
945
Location
Tampa, Florida
Whatever it is, it is being received by the antenna, and will be received by any antenna you use. Your idea to turn off power to the house is a good start. If you (or someone close by) has a solar power system, it could also be a source of much interference. Well pumps, pool pumps, outdoor LED fixtures, AC units are just a few others.

An antenna tuner isn't going to help anything. Its purpose is to match impedance, not provide noise filtering. It will take some effort but you can find the source of the noise. The trick will be if there is anything you can do about it once identified.
 

JustinWHT

Member
Joined
Apr 16, 2022
Messages
200
My question is if I bought an antenna tuner will I be able to clear the noise up.
AM noise has a very wide bandwidth, from the 500 KHz to 1,600 KHz AM radio band up to VHF TV bands (the video component). Even a 2 KHz bandwidth audio filter that some SSB radios have won't filter it out.
 
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