[Yaesu] Re: [ICOM] RFI and car computer

rbethman rbethman at comcast.net
Sat Jul 5 12:13:44 EDT 2008


John,

I wouldn't worry about it one little bit!

Ford Ranger 1985
I've run HF with an FT-101B with a Hustler whip on the side of the bed, 
full SSB out on 20 meters.
I've also run 40+ watts with a co-linear 2 mtr whip.

The computers haven't been an issue in well over 20 years!  Think of all 
the Taxi Cabs!

Not to mention Police cars!  Which I might add that I drive a '97 Crown 
Vic Police Interceptor.

Don't sweat it!  Hook up what you want.  The normal caveats apply - 
direct to battery - "maybe" an alternator choke - perhaps a computer 
grade cap - those would be IF you get alternator noise!

Bob - N0DGN

Mort Arditti wrote:
> John,
> This is just for your reference.  My car is a 2004 Honda Accord and 
> the radio is 706 MKIIG.
> I do not have any problems.  My configuration is.
> The radio is in the trunk.  The DC wires from the battery to the radio 
> are #10 dedicated only for the radio.
> Next to the radio I have an LC filter.  The L value is unknown to me. 
> It came out of a defective computer
> power supply.  It was handy and can carry the current.  The C is 400 
> uF 25 VDC in parallel with several
> Ceramic capacitors, 0.1 and 0.01 uF.  The radio is grounded with a 
> 3/8" braid to the body within 1 - 2
> feet from the radio.  The antenna is on the trunk lid.
>
> I hope this helps.
>
> Mort, KB6BSN
> ----- Original Message ----- From: "John AA5JG" <aa5jg at lcisp.com>
> To: <ft100 at yahoogroups.com>; <yaesu at mailman.qth.net>; 
> <icom at mailman.qth.net>; <50mhz at mailman.qth.net>; 
> <vhfcontesting at contesting.com>; <6meter at yahoogroups.com>
> Cc: <nn9k at arrl.net>
> Sent: Saturday, July 05, 2008 8:48 AM
> Subject: [ICOM] RFI and car computer
>
>
>> We just bought a new (to us) 2007 Chrysler Town and Country Minivan.  
>> The salesman went over the fact that the van has a computer in it a 
>> couple of times.  Has anyone had problems with their rig affecting 
>> the on-board vehicle computer?  This is not the on-star or GPS 
>> computer, just the run which runs the vehicle.  I would be mainly 
>> going mobile on 6m at around 35 watts or so on SSB and CW.
>>
>> 73s John AA5JG
>>
>> ________________________________________________________________

-- 
Bob - NØDGN



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