[RFI] AM Radio Dropped From Electric Vehicles Due To RFI

[QRV at kd4e.com]

They long ago started making car radios without AM.

In two different hybrid Prius' I measured high HF RFI out to at least

3 feet from the back hatch door.

One could mount an antenna on a hitch carrier or small trailer ...

David, KD4E


> /"electromagnetic frequencies generated by EV motors occupy the same
> wavelength as AM radio signals. The competing signals clash, effectively
> cancelling each other out. As EV motors grow more powerful, AM static
> tends to increase./
>
> I suspect the harmonics from that interference could cause havoc on the
> HF spectrum -- something to think about for those contemplating HF
> mobile in an EV.
>
> Tony -K2MO