[Antennas] Reducing Ignition Noise

AA6DX - Mark aa6dx at arrl.net
Thu Apr 21 19:30:01 EDT 2005


re: NOIZE
Well, my Ford Exploder .. `92.. (SAMEO AS RANGER, METHINKS) is pretty quiet, 
except when it's running! HIHI .... `tis the fuel pump, in this case, and 
have done the research, now to either drop the tank and fix, or one of the 
other schemes. I am going to use an SAE AC heavy duty filter .. mounted as 
close to the tank as I can cut the wires... cut trick is to use a standard 3 
prong equipment plug and strip its plug in cord .. we shall see... `tis 
EMI filter, w/multiple caps and chokes in a 3 by 2 by 2.5 inch can. Not 
sure the wiring sequence, in vs. out .. we shall `spearmint ... Back to 
aerials .. I just got (an hour ago) a roll-over mount .. the tire on your 
rig sits on it .. holds a vertical pipe, antenna, etc... and I am going to 
make a set up for my Hy-Gain DX-77 ... making it a super fast installation 
for 7 bands, 4Ø thru 1ØM .. at an altitude of up to 4Ø' at its base, make 
the whole shebang close to 6Ø' at the tip... but, depending on winds es 
wx, with the base just at 8' or so, just above the roof of the rig. The 
DX-77 does not use radials, and the little stick-outs on the antenna base 
conveniently fold up for transport.. looks ideal to me, the height is
29' --anybody played with this type setup for mobile? The DX-77 is an 
off-center feed Windom .. have not tried it yet, am going to compare it A-B 
VS Butternut in the next couple weeks, mounted on my roof .. depending on 
wx...
73 -- Mark, AA6DX Eureka, Far Northern California
----- Original Message ----- From: "Mel Vance" <icra at galaxynet.com> To: 
<antennas at mailman.qth.net> Sent: Thursday, April 21, 2005 3:51 PM Subject: 
Re: [Antennas] Reducing Ignition Noise
Anyone ever have problems with rfi in the cruise control systems?
2m FM causes my cruise control to stutter. I have a 1992 Ford Ranger,
2WD, 4.0L V6, 5 spd, etc...
Have not noticed that in my windstar.....but, as my cruise control varies 
the speed over a 15 MPH range, I hardly use it at all.......
Do not know the opinions of others, but all the Fords I have owned have been 
real bad for FRI.....love Fords...just could do with out the noise....
Mel N7OKL


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