Radio base stations
Eric
I know nothing about your particular setup and your environment. But let me speculate a bit.
25 years ago, you bought a radio with the technology of that day. The radio had reasonable sensitivity and you did not have a cell phone, a tablet, a laptop and so on in your motorhome.
Now, you got a new radio with latest technology, having much better sensitivity. Probably also a couple of cellphones, tablets, a laptop and maybe other electronic toys in your RV. All of these gadgets nowadays are using efficient switch mode power supplies as chargers.
Unfortunately these chargers have very high levels of spurious RF noise emissions. This holds particularly for cheap non-branded cigarette lighter USB chargers.
So, if you are using any of these switch mode power supplies as chargers (this might include an power inverter in your RV), take your handheld radio. Dial in on the problem frequency. Get away from the RV until the squelch does not get broken by the noise. Then approach the RV and try to zoom in on the area that might be emitting the noise. If it leads you to a charger, confirm by disconnecting this charger (keep in mind that a charger under load might have a different emission spectrum from a charger that is idling)
If your radio noise problem is indeed caused by a charger, move the charger away from the radio (and antenna) or try a different charger.
I bet there is nothing wrong with your A6.
Good luck with your hunt.
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