[amsat-bb] RF noise from a passing-by BMW i3

STeve Andre' steve at wb8wsf.org
Tue Jul 9 02:30:52 UTC 2019



On 7/8/19 6:16 PM, Zach Metzinger via AMSAT-BB wrote:
> 
> For those of you considering operating around electric vehicles, beware 
> of the copious noise emitted by the BMW i3.
> 
> I was sitting in a parking lot, engine off, operating mobile on 10m 
> during the recent band openings. Rather abruptly, the band's noise floor 
> increased to mid-scale on the S-meter. I briefly wondered if propagation 
> had suddenly changed, and then I noticed a BMW i3 pass behind me and 
> leave the lot.
> 
> The noise left as well... I was back to a nice quiet band floor.
> 
> I didn't have time to switch over to 2m/70cm SSB and see how far up the 
> racket extended.
> 
> I stumbled across an article relating much of the same, today.
> 
> https://www.greencarreports.com/news/1098893_bmw-i3-electric-car-quirk-no-am-radio--but-why 
> 
> 
> So, save the planet or save the spectrum. Perhaps not both at the same 
> time? :-)
> 
> --- Zach
> N0ZGO

Along these lines, I need a new car.  My Sonata has 404K miles and I 
would like to replace it before it dies.

I'm really looking at the Prius Prime +.  Does anyone know if this emits
obnoxious things, and how radio-friendly it is, overall?

Thanks!

--STeve Andre'
wb8wsf  en72



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