Jim,
Sorry I'm being an antenna wimp and wasn't there! <GRIN>
the EFHW4010 has a wire length of 63 feet not too hard on a 100 foot lot
tom Fowle WA6IVG

On Mon, Jan 18, 2016 at 06:30:14PM -0800, Jim Gammon wrote:
> Tom, sounds like you'd need quite a lot of property to put one of those up 
> for 40 or 80 meters, what think?  Jim WA6EKS  BTW, I dropped in to the 40 
> meter swap net out here on Saturday and heard Armand talking with Chris, I 
> chimed in and said hi, then old Bill Gerrey also piped up.  We had four 
> blind guys on at the same time, I'm sure no record but kind of funny just to 
> pop in there and those guys were also there.   Jim
> 
> -----Original Message----- 
> From: Tom Fowle
> Sent: Monday, January 18, 2016 6:12 PM
> To: [log in to unmask]
> Subject: changed subject, Myantennas.com
> 
> Looking at the myantennas.com web site, he has a set of end fed multi-band
> half wave antennas which he claims exhibit low swr on several adjacent
> bands.  He says nothing about matching networks but says " no tuner
> required"
> 
> Does anybody have experience with any of his "EFHW" antennas, and if so how
> does he do it?
> You just have to have some kind of a matching network for an end fed half
> wave.
> 
> tom Fowle WA6IVG
> 
> On Sat, Jan 16, 2016 at 11:00:08PM -0600, Dr. Ronald E. Milliman wrote:
> > The Common Mode Choke I use is the CMC-130-3K produced by and available 
> > from
> > MyAntennas.com. Here is the direct URL:
> >
> > http://myantennas.com/wp/product/cmc-130-3k/
> >
> > These Common Mode Chokes are produced by Danny Horvat who is an 
> > interesting
> > fellow. He produces a variety of antennas and antenna related products.
> >
> > Ron, K8HSY
> >
> > -----Original Message-----
> > From: For blind ham radio operators [mailto:[log in to unmask]]
> > On Behalf Of Tom Behler
> > Sent: Saturday, January 16, 2016 10:05 AM
> > To: [log in to unmask]
> > Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power Supply?
> >
> > Richard.
> >
> > I'd be interested in what kind of common mode RF chokes you get, or what
> > others on the list use. and where they can be gotten.
> >
> > I, too, have some RF issues here on certain bands, although they are not 
> > as
> > serious as what you are dealing with.
> >
> > Tom Behler: KB8TYJ
> >
> >
> > -----Original Message-----
> > From: For blind ham radio operators [mailto:[log in to unmask]]
> > On Behalf Of Richard B. McDonald
> > Sent: Saturday, January 16, 2016 10:52 AM
> > To: [log in to unmask]
> > Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power Supply?
> >
> > Hi Tom!
> >
> > No, I do not have a common mode choke, but I think I am going to get one!
> >
> > 73,
> > Richard KK6MRH
> >
> > -----Original Message-----
> > From: For blind ham radio operators [mailto:[log in to unmask]]
> > On Behalf Of Tom Fowle
> > Sent: Friday, January 15, 2016 5:59 PM
> > To: [log in to unmask]
> > Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power Supply?
> >
> > richard,
> > I forget if you said whether you have a common mode choke in the coax to
> > your antenna?
> > That's always a first try at keeping R.F. out of where it doesn't belong.
> >
> > Also you could try disconnecting the ground from the power supply, and/or
> > making that individual ground wire a bit longer and taking a few turns of 
> > it
> > through a ferite core near the supply.
> >
> > Yes it's closer to sorcery than science! <GRIN>
> >
> > good luck
> > Tom Fowle WA6IVG
> >
> > On Fri, Jan 15, 2016 at 11:11:43AM -0500, Steve Forst wrote:
> > > Dave,
> > >
> > > I'm not an electrician or a doctor (although I played one when I was
> > > 6), but my understanding is that the National Electric Code (NEC) 
> > > mandates
> > > that   all grounds  should be bonded to the electric mains ground.
> > >
> > > I'm sure others with more experience will chime in.
> > >
> > > 73, if you are on the 20 meter net Sunday, try the processor, it
> > > brought you up a bit on 40 last Sunday  when you were chatting with
> > Junior.
> > > Steve KW3A
> > >
> > >
> > >
> > >
> > >
> > > On 1/15/2016 10:54 AM, David Weigel wrote:
> > > > Hi, Richard, Steve and readers:
> > > > It is always interesting to learn about the various ways to reduce
> > > > or eliminate RF in the radio room.  I was wondering if it would be a
> > > > better practice or at least worth a try to NOT connect the 2 ground
> > > > rods together electrically.  I was thinking that the 120 VAC ground
> > > > rod might create a low volume "buzz" or spiky noise, coming back on
> > > > the separate equipment-ground rod pathway.  But I could be wrong.
> > > > And, as Steve suggested earlier, my preference is to place ferrite
> > > > clamps on all cables, jumpers, etc.  "Line Isolators are recommended
> > > > by The Radio Works, particularly when there are extraordinary length
> > > > connections to ground rods, or when there can be no ground rodds
> > > > whatsoever.  although I have never used them. Just stirring the pot,
> > slowly.
> > > >
> > > > Dave Weigel    KD4JEZ
> > > >
> > > > -----Original Message-----
> > > > From: For blind ham radio operators
> > > > [mailto:[log in to unmask]]
> > > > On Behalf Of Steve Forst
> > > > Sent: Friday, January 15, 2016 10:16 AM
> > > > To: [log in to unmask]
> > > > Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power
> > Supply?
> > > >
> > > > Ok, I misunderstood.   The way I had read the other post, I had 
> > > > thought
> > > > that you were running several  wires from the shack to the outside 
> > > > rod,
> > > > one for each piece of gear.    That wouldn't be a good idea.   Sounds
> > > > like you have a good handle on the ground side of things.
> > > >
> > > > 73, Steve KW3A
> > > >
> > > > On 1/15/2016 9:55 AM, Richard B. McDonald wrote:
> > > >> Hi Steve!
> > > >>
> > > >> Yes, indeed, this whole RFI thing looks to be not just a bitch
> > > >> (pardon the
> > > >> French) but also a bit more art and trial and error rather than
> > science!
> > > >> Following is a bit more of an explanation of my present ground wire
> > setup.
> > > >>
> > > >> Inside the shack is a ground bus (I think that is what it is
> > > >> called, a.k.a., a "common point") that has about five terminals.
> > > >> Attached to each of these terminals is a length of 14 gauge
> > > >> insolated stranded copper wire that attaches to equipment either by
> > > >> its ground post (wing
> > > >> nut) or in the case of my PC and TS-2000's power supply by
> > > >> attaching the ground wire to a chassis screw (because they have no
> > > >> dedicated grounding post).  The length of each of these ground
> > > >> wires varies from ~3' to ~7' depending on the distance of the
> > > >> respective equipment to the bus.  From the bus there is a single
> > > >> ~6" ~10 gauge insolated wire that goes through the wall into my
> > > >> garage and attaches to an 8' copper ground rod which is sunk into
> > > >> the ground with only ~6" of it sticking up.  About 6" away from
> > > >> this ground rod is a second ground rod attached to which is AC
> > grounding for all AC power into the shack.
> > > >> Then, both of these ground rods are connected together by heavy
> > > >> copper
> > > > wire.  This electrical work was done by a professional electrician.
> > > >>
> > > >> So, I do not think it is really possible to shorten the lengths of
> > > >> these separate ground wires, and then attach all of them to a
> > > >> single wire running to the bus.  These wires are already about as
> > > >> short as they can be.  I do understand and agree that, in most
> > > >> situations, the distance from the bus and the ends of separate
> > > >> ground wires is longer; in which case a single wire
> > > >> *should* bridge that distance.
> > > >>
> > > >> HTH & 73,
> > > >> Richard KK6MRH
> > > >>
> > > >> -----Original Message-----
> > > >> From: For blind ham radio operators
> > > >> [mailto:[log in to unmask]]
> > > >> On Behalf Of Steve Forst
> > > >> Sent: Thursday, January 14, 2016 6:41 PM
> > > >> To: [log in to unmask]
> > > >> Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power
> > Supply?
> > > >>
> > > >> Richard,
> > > >>
> > > >> Grounding questions are one of those things in the hobby that  will
> > > >> get you a multitude of   contradictory suggestions.
> > > >>
> > > >> If you try them all, you will probably find one that works for you.
> > > >>
> > > >> I think all would agree that running multiple ground wires from each
> > > >> piece of gear in the shack to a ground rod is a bad idea.   Usual
> > > >> practice is to run short pieces of grounding wire from each piece
> > > >> of gear to a  common grounding point in the shack, with wires being 
> > > >> as
> > > >> short as possible.   Then a single heavy conductor to the ground rod.
> > > >>
> > > >> Another problem is the length of the wire (or wires in your case)
> > > >> from the equipment to the ground rod. If the wrong length, it
> > > >> (they) will radiate like an antenna.
> > > >>
> > > >> What is the length from the shack to the ground rod?
> > > >>
> > > >>
> > > >> Good luck, 73, Steve KW3A
> > > >>
> > > >> On 1/14/2016 9:08 PM, Richard B. McDonald wrote:
> > > >>> Hey Steve!
> > > >>>
> > > >>> You said it!  This high power stuff is gnarly!  I will try ferrite
> > > >>> if it persists.  The antenna is about 40' from the shack.
> > > >>>
> > > >>> following is information about my grounding system.  About 10'
> > > >>> from the shack, I have two copper 8' ground rods sunk into the 
> > > >>> ground.
> > > >>> All 120V AC into the shack is grounded to one of them.  Connected
> > > >>> to the other ground rod is a terminal; attached to which are about
> > > >>> five separate 14 gauge copper wires each of which goes to
> > > >>> equipment in the shack (rig, tuner, PC, amp, etc.).  then, both
> > > >>> ground rods are connected with a 10 gauge wire.  For the power
> > > >>> supply which is shutting down, I just attached yet another ground
> > > >>> wire, and I also wrapped its AC power cord in tin foil.  I have
> > > >>> not yet tested to see if it still shuts down with these new two
> > > >>> grounding/shielding
> > > >> improvements.
> > > >>>
> > > >>>
> > > >>> 73,
> > > >>> Richard KK6MRH
> > > >>>
> > > >>> -----Original Message-----
> > > >>> From: For blind ham radio operators
> > > >>> [mailto:[log in to unmask]]
> > > >>> On Behalf Of Steve Forst
> > > >>> Sent: Thursday, January 14, 2016 7:27 AM
> > > >>> To: [log in to unmask]
> > > >>> Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power
> > > > Supply?
> > > >>>
> > > >>> Richard,
> > > >>>
> > > >>> Welcome  to the world of high power.   How do you have the radio
> > > >>> grounded?   How close is the antenna to the operating position?
> > > >>>
> > > >>> I would invest in some ferrites.  E-bay is a good source.     I 
> > > >>> would
> > > >>> clamp the AC line to the power supply, and the  12 vdc line coming
> > out.
> > > >>>       Also clamp everything  connected to the radio/amp (coax, 
> > > >>> power,
> > > >>> control cables, etc.).    The other school of thought is to only 
> > > >>> clamp
> > > >>> things until you find the  one that is the problem.
> > > >>>
> > > >>> If your antenna is 5 feet from your operating position, things may
> > > >>> be more problematic.  As Ron suggests, antenna/feedline/balun  may
> > > >>> be
> > the
> > > >>> culprit.    Sometimes this stuff is hard to solve, glad you have 
> > > >>> help
> > on
> > > >>> site.
> > > >>>
> > > >>>
> > > >>> 73, good luck, Steve KW3A
> > > >>>
> > > >>> On 1/14/2016 9:48 AM, Richard B. McDonald wrote:
> > > >>>> Hi!
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>> In the process of setting up my Ameritron ALS-1306 amp with my
> > > >>>> Kenwood
> > > >>>> TS-2000 and an MFJ 998 tuner, sometimes RFI shuts down the
> > > >>>> TS-2000's power supply.  My Elmer is convinced it is RFI because
> > > >>>> 1) it seems only to
> > > >>> happen
> > > >>>> on 20M (so far, anyway) and 2) it only happens when we crank-up
> > > >>>> the
> > > >>>> 1306 beyond ~200W.  The 1306 is on a totally different, dedicated
> > > >>>> power
> > > >> line:
> > > >>>> 240V.  The TS-2000's power supply is on the household's 120V.
> > > >>>> The power supply for the TS-2000 is an Astrin SS-30
> > > >>>> <https://www.hamcity.com/store/pc/SS-30-p363.htm> .  So, what can
> > > >>>> I do to stop this?
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>> 73,
> > > >>>>
> > > >>>> Richard KK6MRH
> > > >>>>
> > > >>>
> > > >>
> > > >