[Elecraft] Mobile high power

[Bob McGraw K4TAX]

Many of today's vehicles rely on an internal wireless network for 
communications from various components in a vehicle.  My truck has a 
network that communicates from the rear end to the computer up front.  
There are no wires or cables in that regard.   Although it seems immune 
to most RF I can hear the data on my HT around the truck.    What will 
they think of next?    And the newer cars that provide lane, speed and 
distance control.  Keeps one in the lane and slows as the vehicle in 
front slows.     Bring me coffee and donuts and wake me up when we 
arrive.  Is that next?

73

Bob, K4TAX

On 5/6/2019 9:22 AM, Charlie T wrote:
> Has anyone considered the liability of running very high power mobile?
> What if you're running a KW, and gave a call on 20M.  Suddenly,  the guys
> brakes in the vehicle next to you locked up causing a multiple vehicle
> crash?
> I realize this is an extremely hypothetical and unlikely case, but these
> smart vehicle computer systems can't be all THAT immune to all sorts of RFI.
>
> I know the cruise control my 2000 Dakota would mysteriously jump 5 MPH if I
> keyed up with only 25 watts on 222MHz.
> It would return to it's previous setting when I un-keyed.   VERY
> disconcerting eh?
>
> 73, Charlie k3ICH
>
>
>
> This begs the question: Why KX3s with KPA500s? That is what I use in my
> mobile station and it provides about 250W due to the FCC amplifier gain
> requirements. I am fine with it, as that is what I have and higher power may
> affect the vehicle. I have seen someone post a modification to remove an
> attenuator in the amp and recalibrate the power meter, but I would assume
> that Elecraft will not be allowed to do that, as the FCC Cert holder.
>
> 73,
>
> Mark
> W7MLG
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