building up on the long wire antenna. (;-)
> Hmmm ... There seem to be different flavors of static. My reference was
> to what is often called "precipitation static" [rain, snow, maybe hail]
> and which can sometimes also be caused by wind blowing sand/dust past
> the antenna. It sounds like bacon frying in the receiver. Each drop or
> snowflake acquires a minuscule charge falling or blowing which
> discharges into the antenna on contact. The typical semiconductor
> devices in radio front ends these days exhibit a nearly infinite
> impedance to "ground" and a tiny capacitance. The constant little
> pulses from the static charge that capacitance with essentially no
> discharge path. That's what fried the 1st 760 II and then, predictably,
> the second one.
>
> There is also the combined "static" caused by distant thunderstorms.
>
> INT QRN: "Are you troubled by static"
> QRN: "I am troubled by static"
>
> which is different than "static" caused by corona or leakage on a high
> voltage power transmission line.
>
> 73,
>
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
>
> PS: For those about to tell me "nearly infinite" is a meaningless term,
> save the BW. I know, I hold a math degree. Just using a little
> editorial license.
>
> On 10/31/2018 3:10 PM, ab2tc wrote:
> > Hi,
> >
> > It's a dead short circuit for DC and low frequencies thanks to the SWR
> > bridge (it has a voltage transformer directly across the antenna
> terminals).
> > There seems to be different opinions on what is meant by "static". To me
> it
> > means a slowly varying DC voltage caused by static buildup in the clouds
> > during or before thunderstorms. The K3(S) is perfectly protected against
> > these. Some people include the transients that are caused by actual
> > lightning strikes nearby in the definition of "static". The K3(S) is not
> > protected against these as they have very strong high frequency content.
> For
> > these extra protection is needed as discussed several places in this
> thread.
> > I have a number of Alpha-Delta switches in my antenna system and they
> have
> > gas discharge tubes, but frankly I have no idea how effective they are.
> >
> > AB2TC - Knut
> >
> >
> > wayne burdick wrote
> >>> On Oct 30, 2018, at 12:50 PM, Fred Jensen <
> >> k6dgw@
> >> > wrote:
> >>> Does my K3 have a static bleed across the antenna terminal(s)?
> >> Yes.
> >>
> >> Wayne
> >> N6KR
> >> <snip>
> >
> >
> >
> >
> > --
> > Sent from:
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