[SFDXA] Welcome

[Bill]

On 1/25/2015 3:37 PM, Terry Bethlehem wrote:
>
> If it's hf noise, you can try a mfj-915 rf line isolator. I'm mobile, 
> so my noise environment changes all the time. It's basically a common 
> mode choke. For me, it reduced the noise my car was making in the 
> radio and seemed to help quiet down noisy areas I drive through. It 
> didn't eliminate it, but the improvement it made was noticeable.
>
> There are areas that are still noisy, but the choke helped in other 
> areas. I'm only on ten meters, so it might work differently in lower 
> bands. I don't know what percent improvement it made but I DID notice 
> a difference for the better.
>
> Another suggestion I can make is an external powered DSP speaker. That 
> helped me pull stations out of the static that I couldn't make out 
> what they were saying with it off. Gap antennas sells DSP speakers, 
> modules, and circuits that you can add to a radio or external speaker. 
> You can search YouTube for examples. Note, many of the videos have the 
> DSP up too high and are driving the speaker too much. DSP up too high 
> sounds like someone is underwater. I had a DSP speaker before from bhi 
> and it worked very well.
>
> Price wise, I'd try the choke first. They are like $40. The speakers 
> are generally under $200.
>
> On Jan 25, 2015 8:34 AM, "Bill" <bmarx at bellsouth.net 
> <mailto:bmarx at bellsouth.net>> wrote:
>
>
>     Hi Guys,
>     Randy W8UF, is in the Keys with an RF question. Any answers?
>     Bill W2CQ
>
>     Thanks for the note.  I have had a hard time contacting hams in
>     the Keys although I did join the Florida Keys Amateur Radio Club.
>     But what I have had the worst time with is the power line rfi that
>     apparently is everywhere in the Keys.  There is a high voltage
>     power line that goes from Miami to Keys West and it carries ALL of
>     the power for ALL of the Keys. If you know anyone who has a
>     solution to this problem, let me know.
>     Randy
>     W8UF/4
>
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