Only if it is tied really tight. The electrons can't make sharp turns at
C*VF and end up somewhere else.
..


"Ken Bessler" wrote in message
news:Q64oe.9868$Wr.5569@fed1read04...
Does a knot in insulated 16g stranded wire pose a problem
for a dipole at HF freqs? This is a 66' FD dipole, coax fed,
operating 40-10m with a KAT2 autotuner. The knots are 1/2"
away from the feedpoint & lock the antenna to it's center
insulator.

Ken

--
Just my 2¢ worth... 73's es gd dx de Ken KGØWX
Grid EM17ip, Flying Pigs #-1055, Digital On Six #350,
Proud builder & owner of Elecraft K2 #4913

Irish ale is the best
good taste, I say


(He types between sips of Smithwick's Irish Ale)

tom
K0TAR

"Fred W4JLE" wrote in message
...
Only if it is tied really tight. The electrons can't make sharp turns at
C*VF and end up somewhere else.

I just had an idea - I could strip 1/2" of insulation
just past the knot and solder a jumper to the feedpoint,
electrically bypassing the knots while still leaving
them there to be strain reliefs.

Thanks for the help, guys.

--
Just my 2¢ worth... 73's es gd dx de Ken KGØWX
Grid EM17ip, Flying Pigs #-1055, Digital On Six #350,
Proud builder & owner of Elecraft K2 #4913

Well, there is always Reincarnation! (My Karma ran over your Dogma)!
Jim NN7K

Cecil Moore wrote:
I wonder how
other Hindus handle their guilt over killing so many living
creatures every day of their lives?

CECIL!!!!

ROFLOL!!!
Hey, I got some change here, how much you got, wanna go halfs on a new
bottle? grin

Warmest regards,
John
"Cecil Moore" wrote in message
...
John Smith wrote:
Hindu's go to great lengths not to even step upon a single ant, for
that feel the untimely death of a single ant might well change the
course of history (ask Cecil if you don't believe me--he has claimed
he is a Hindu grin.)

Every day I kill thousands, if not millions, of living organisms
like staff bacteria and cold viruses. I am forced to consume a
liter of wine just to get rid of my guilt pangs. I wonder how
other Hindus handle their guilt over killing so many living
creatures every day of their lives?
--
73, Cecil http://www.qsl.net/w5dxp

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Ken:

Some of like to joke a bit, we mean no harm, please do not take
offense... I really believe the general consensus is that the knot is no
problem...

.... now, that said, to tell you the truth, the knot just being there
would bother me--and I think it does you too--I'd probably remove the
knot and go to great ends to do it--but really, the knot matter
naught...

Warmest regards,
John

"Ken Bessler" wrote in message
news:Q64oe.9868$Wr.5569@fed1read04...
Does a knot in insulated 16g stranded wire pose a problem
for a dipole at HF freqs? This is a 66' FD dipole, coax fed,
operating 40-10m with a KAT2 autotuner. The knots are 1/2"
away from the feedpoint & lock the antenna to it's center
insulator.

Ken

--
Just my 2¢ worth... 73's es gd dx de Ken KGØWX
Grid EM17ip, Flying Pigs #-1055, Digital On Six #350,
Proud builder & owner of Elecraft K2 #4913

"Ken Bessler" wrote in message
news:UV5oe.9951$Wr.2335@fed1read04...

"Walter Maxwell" wrote in message
...

Sorry, Ken, knots are a no-no. DC can travel through them, but RF? Uhn Uh.
The RF gets all tied up in them and doesn't know which way to go, so the
power concentrates there and pulverizes both the wire and the insulation--the
knot goes pooof! And down comes the dipole. How much did you say you paid for
it?

Walt, W2DU

I didn't pay much for it. I had the coax & connector plus
the center insulator. The wire was $3.30.

FYI I'll only be putting 5-15 watts SSB/CW through the
antenna on FD.

Ok, Ken, just make sure you put in at least a 20-watt knot, so you'll have a
little margin to spare.

Walt

On Fri, 03 Jun 2005 18:37:18 -0500, Tom Ring
wrote:

Cecil Moore wrote:


Every day I kill thousands, if not millions, of living organisms
like staff bacteria and cold viruses. I am forced to consume a
liter of wine just to get rid of my guilt pangs. I wonder how
other Hindus handle their guilt over killing so many living
creatures every day of their lives?

You should be doubly guilt panged, Cecil, just think of the billions of
poor yeast that gave up the ghost to assuage your guilt.

(He types between sips of Smithwick's Irish Ale)

tom
K0TAR


not to mention the billions of electrons that were displaced in the
delivery of all these messages ;)


--
73 for now
Buck
N4PGW

"Buck" wrote in message
...

not to mention the billions of electrons that were displaced in the
delivery of all these messages ;)
--
73 for now
Buck
N4PGW

1,771,561 tribbles, er, electrons. That's assuming 1 trib - electron,
multiplying with an average litter of 10, producing a new generation
every 12 hours for 3 days.

Cudos to Cmdr's Spock & Dax - does that label me a Trekkie?

LOL
--
Just my 2¢ worth... 73's es gd dx de Ken KGØWX
Grid EM17ip, Flying Pigs #-1055, Digital On Six #350,
Proud builder & owner of Elecraft K2 #4913

On Fri, 3 Jun 2005 18:01:05 -0400, "Walter Maxwell"
wrote:


"Ken Bessler" wrote in message
news:Q64oe.9868$Wr.5569@fed1read04...
Does a knot in insulated 16g stranded wire pose a problem
for a dipole at HF freqs? This is a 66' FD dipole, coax fed,
operating 40-10m with a KAT2 autotuner. The knots are 1/2"
away from the feedpoint & lock the antenna to it's center
insulator.

Ken
Sorry, Ken, knots are a no-no. DC can travel through them, but RF? Uhn Uh. The
RF gets all tied up in them and doesn't know which way to go, so the power
concentrates there and pulverizes both the wire and the insulation--the knot
goes pooof! And down comes the dipole. How much did you say you paid for it?

Reminds me of my youth. One of my earliest jobs was working in an
automotive parts store. This was back when you actually had to know
cars and how to read and look things up in paper catalogs and stuff
like that.

One test some of the oldtime mechanics would do on a new parts guy
would be something like asking for a set of spark plugs for a Cummins
diesel, a radiator cap for a Corvair or a pan gasket for a Powerglide
transmission. I fess up... they got me on the last one.


Ken, the only problem with the knot is that the wire will be weak at
that point.