[GreenKeys] RF noise

[Chris Elmquist]

My experience says this is a much wider problem than just compact
flourescent bulbs...

I get broadband hash S9+30 from the variable speed blower in my new
energy efficient furnace.  This blower motor is speed controlled by a
microprocessor on the furnace control board but the means for doing so
is so brutal that it conducts the broadband hash onto the power line,
the thermostat cable and the A/C control cable leaving the furnace.

I get broadband hash S9+10 from my front loading energy efficient
washing machine.  Same issue as above, the motor control has no concern
for the sharp edges generated when switching the power to the motor and
consequently conducts this hash into the power line and directly through
the chassis of the unit.

I get broadband hash from the halogen under-cabinet lighting in my
kitchen which uses a so-called "solid state transformer"--  which is
really nothing more than a very crappy switching power supply.

Broadband hash from numerous "wall warts" that power pieces of computer
gear--  network connected music players, routers, laptops... all of these
supplies are physically too small to house any amount of filtering and
so the switching hash goes right back onto the power line for efficient
distribution throughout the house and neighborhood.

I think the FCC gave up on Part 15 compliance years ago...

Sad and very frusterating.

I've found I don't hear these noise sources on 10.368 GHz however :-)

Chris  N0JCF

On Tuesday (04/07/2009 at 11:38AM -0400), KC0NNC at aol.com wrote:
> We need to file a complaint with the FCC ASAP.... 
> 
> Is anyone familiar as to how to proceed, probably the ARRL:
>  
>  
> Perry:    are you aware that the fluorescent compact bulbs are causing havoc 
> with ham band receivers?
>  
> Could you bring this to the attention of someone at the ARRL: as hard as we 
> have fought BPL we need to petition the FCC to require that these devices are 
> non EMI emitting....  Does the ARRL have a posture on this yet?
>  
> Please advise via a "reply all" so this will get posted on green keys....  
> 
> Harvey E. Smith
> 2020 Baculite Mesa Road
> Pueblo, CO., 81001-2456
> 719 406 9735
> 
> fka WA0BBG
> nka KC0NNC
> 
> HarveyEsmith at aol.com
> 
> KC0NNC at aol.com
> 
> 
> 73's

-- 
Chris Elmquist