[RFI] RFI in a car

[J.Gordon Beattie, Jr., W2TTT]

Dave,
Have you bonded EVERY piece of metal to each other with flexible strapping?

This needs to include body panels, frame sections, exhaust sections, etc.  
Doing this should help knock down the 20 RFI to your radio, but can you
describe the type and location of your radio and antenna mounts and feedline
placement?  Also, to what are the radio chassis and antenna bonded?  Having
an appropriate (short, and fat) ground strap for these and other components
of the vehicle can make a significant difference in both issues.

Thanks & 73,
Gordon Beattie, W2TTT
201.314.6964


-----Original Message-----
From: rfi-bounces at contesting.com [mailto:rfi-bounces at contesting.com] On
Behalf Of Dave Cole
Sent: Thursday, July 21, 2011 5:20 AM
To: rfi at contesting.com
Subject: [RFI] RFI in a car

Hi,

Any suggestions on the following:

1.  My 2005 Tahoe has some sort of rolling narrow carrier that moves
around on the 75 meter band...  Very unstable, and slowly moving in
freq.

2.  Every time I transmit on 20, my stereo in the car goes nuts.  I have
ferrite beads on almost every lead.  

Any general suggestions for removal of either?

Thanks,
Dave

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