[BC] AM skywave

Wed May 18 13:59:08 CDT 2005

And it discharges when you run over a sewer grate or railroad track cause
you can hear it in an AM radio

Paul Smith
W4KNX
Sarasota, FL

-----Original Message-----
From: broadcast-bounces at radiolists.net
[mailto:broadcast-bounces at radiolists.net]On Behalf Of Kevin C. Kidd
Sent: Wednesday, May 18, 2005 2:06 PM
To: Broadcast Radio Mailing List
Subject: RE: [BC] AM skywave

A lot of LF RFI is generated by tires and debris in tires.  Heavy truck
running gear and brakes creates electrical noise as well.

At 12:52 PM 5/18/2005, you wrote:
>i think a lot of them have PCs, TVs, refrigerators and other appliances
>runnning off of DC to AC inverters; also most have the newer automated
>weight/road tax assessment gear.  some of that stuff probably generates
>hash.  what is irritating about the way these things are designed and
>built is that there seems to be an assumption by the manufacturers that no
>one is doing anything with RF below 30 MHz.
>
>Rob Atkinson

--

Kevin Kidd, CSRE
WD4RAT
mailto:kkidd at kkbc.com

KK BROADCAST ENGINEERING
http://www.kkbc.com

AM GROUND SYSTEMS CO.
http://www.amgroundsystems.com

51 Ridge Ln
Lawrenceburg, TN 38464
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