Re: [Elecraft] K3 on motorboat.

2020-06-12 Thread Barry
raft@mailman.qth.net Sent: 6/10/2020 9:46:03 PM Subject: Re: [Elecraft] K3 on motorboat. Barry, Sometimes we have to put on the Scientists hat, but when the rubber meets the road and we have to come up with a product, we have to put on the design engineers hat and say that how much compromise i

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread aj4tf
K3WIV is the owner. -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This l

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Barry
raft@mailman.qth.net Sent: 6/10/2020 9:46:03 PM Subject: Re: [Elecraft] K3 on motorboat. Barry, Sometimes we have to put on the Scientists hat, but when the rubber meets the road and we have to come up with a product, we have to put on the design engineers hat and say that how much comprom

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Don Wilhelm
Barry, Sometimes we have to put on the Scientists hat, but when the rubber meets the road and we have to come up with a product, we have to put on the design engineers hat and say that how much compromise is required to meet 1) customer demands, 2) budget constraints, 3) speed to first custom

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Barry
: elecraft@mailman.qth.net Sent: 6/10/2020 1:53:14 AM Subject: Re: [Elecraft] K3 on motorboat. On 6/9/2020 3:54 PM, Barry wrote: EE is an art and not science That is NOT even slightly true. ART did not put us on the moon or build the Mars rovers. Engineering is the thoughtful applic

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Barry
raft@mailman.qth.net Sent: 6/10/2020 4:20:44 PM Subject: Re: [Elecraft] K3 on motorboat. Barry, Well, when I was with IBM, my title was Engineer/Scientist, so I got credit for both. Engineers have the education and training to do research as well as making those judgements during design that

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Don Wilhelm
Barry, Well, when I was with IBM, my title was Engineer/Scientist, so I got credit for both. Engineers have the education and training to do research as well as making those judgements during design that sometimes result in compromises. 73, Don W3FPR On 6/10/2020 1:15 PM, Barry wrote: I st

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Fred Jensen
Speaking somewhat broadly, Science is basically a quest for understanding of the physical world we live in.  Engineering is the science of intelligent tradeoffs in a quest to create "stuff" using the science and technology.  Many of the tradeoffs are technical.  Others are economic, ergonomic,

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Phil Hystad via Elecraft
e -- > From: "Jim Brown" > To: elecraft@mailman.qth.net > Sent: 6/10/2020 1:53:14 AM > Subject: Re: [Elecraft] K3 on motorboat. > >> On 6/9/2020 3:54 PM, Barry wrote: >>> EE is an art and not science >> >> That is NOT even slightly true. ART did n

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Barry
only in data interpretation and not design. Sorry you couldn't be more wrong. 73, Barry K3NDM -- Original Message -- From: "Jim Brown" To: elecraft@mailman.qth.net Sent: 6/10/2020 1:53:14 AM Subject: Re: [Elecraft] K3 on motorboat. On 6/9/2020 3:54 PM, Barry wrote: E

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Phil Kane
On 6/9/2020 4:46 PM, Fred Jensen wrote: > Hmmm ... "Isotropic spherical?"  "Proven to broadcast over 4,000 miles > with 1 watt?"  Actually, it looks like one of the driven elements of the > Russian Duga ["Woodpecker"] antenna.  $6K+ seems a little steep. If it lives up to its claims, I would cons

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Robert Sands
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[Elecraft] K3 on motorboat

2020-06-10 Thread Frank C Richards
As with most everything on a boat, antenna and counterpoise systems are a compromise. You have to work with what you have. I agree that an elevated feedpoint is not the best, but on a fishing trawler support rigging for the outriggers moves up and down. With the antenna mounted on the mast it is ou

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Bill Steffey NY9H
looks like they are hunting for military business... the element looks like one of those on the big Chernobyl over the horizon antenna... broadband.. https://www.youtube.com/watch?v=WjoPy6drGBQ bill On 6/10/2020 9:02 AM, Donald Wines wrote: Apparently they are a two person company locate

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Grant Youngman
So this flute thing is essentially a bi-cone EH antenna. Somehow the cosine derived flute shape helps in satisfying the requirements of the Poynting Theorem, to align the E-H fields in time phase, and on and on. One of the more controversial antenna types, judging by the range of opinions from

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Donald Wines
Apparently they are a two person company located in Oakwood, TX a small town of about 3000 good folk located about an 1-1/2 hours southeast of my QTH in Bullard, TX. You can check them out here https://www.corporationwiki.com/p/2s9ylr/advanced-hf-solutions-inc. The price on this thing is almost $10

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Bill Steffey NY9H
googling shows alot of legal activity,, maybe charleston, SC   too much reading for me . On 6/10/2020 8:23 AM, Victor Rosenthal 4X6GP wrote: Probably Nigeria. Here is a patent for something: 73, Victor, 4X6GP Rehovot, Israel Forme

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread Victor Rosenthal 4X6GP
Probably Nigeria. Here is a patent for something: 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 http://www.qsl.net/k2vco/ . On 10/06/2020 15:18, j...@kk9a.com wrote: Where is this company?  I dd not see any information about them

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread john
Where is this company? I dd not see any information about them on the website. John KK9A Michael Chowning N8TTR wrote: https://advancedhfsolutions.com Mike, N8TTR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Jim Brown
On 6/9/2020 3:54 PM, Barry wrote: EE is an art and not science That is NOT even slightly true. ART did not put us on the moon or build the Mars rovers. Engineering is the thoughtful application of scientific principles and knowledge to solve practical problems. Without science as a base, it'

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Victor Rosenthal 4X6GP
over the water,m close to a 1/4 wave on 40. This arrangement will allow all band operation above 40 with a K3 as the tuner is just plain magic. 73, Barry K3NDM -- Original Message -- From: "Robert Sands" To: "Frank C Richards" Cc: "Elecraft Discussion List&quo

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Josh Fiden
“Performs Better Than Most 80 FT Antennas.“ The 600W model is almost $10,000. That’s ridiculous. And offensive. How often is a sucker born? I hope not *this* often. 73, Josh W6XU Sent from my mobile device >> On Jun 9, 2020, at 4:27 PM, Michael Chowning >> wrote: > Aesthetics, yes. Cost?

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Fred Jensen
Hmmm ... "Isotropic spherical?"  "Proven to broadcast over 4,000 miles with 1 watt?"  Actually, it looks like one of the driven elements of the Russian Duga ["Woodpecker"] antenna.  $6K+ seems a little steep. 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County On 6/9/2020 4:27 PM, Michael C

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Michael Chowning
e tuner is >> just plain magic. >> >> 73, >> Barry >> K3NDM >> >> -- Original Message ------ >> From: "Robert Sands" >> To: "Frank C Richards" >> Cc: "Elecraft Discussion List" >> Sent: 6/9/2020 3:

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Barry
mailman.qth.net Sent: 6/9/2020 6:24:37 PM Subject: Re: [Elecraft] K3 on motorboat. On 6/9/2020 3:13 PM, Barry wrote: I counsel inverted Vs as they are ground independent. Not really -- the earth in the near field is lossy (including fresh water) and in the reflection from earth in the far field

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread W2xj
xcept this will be ground independent. > > -- Original Message -- > From: "W2xj" > To: "Barry" > Cc: "Robert Sands" ; "Frank C Richards" > ; "Elecraft Discussion List" > Sent: 6/9/2020 6:32:08 PM > Subject: Re: [Elecra

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Barry
Cc: "Robert Sands" ; "Frank C Richards" ; "Elecraft Discussion List" Sent: 6/9/2020 6:32:08 PM Subject: Re: [Elecraft] K3 on motorboat. aesthetics? Sent from my iPad On Jun 9, 2020, at 6:14 PM, Barry wrote: Full size verticals are hard to do on small power b

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread W2xj
ill allow all band operation above 40 with a K3 as the tuner is > just plain magic. > > 73, > Barry > K3NDM > > -- Original Message -- > From: "Robert Sands" > To: "Frank C Richards" > Cc: "Elecraft Discussion List" > Sen

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Jim Brown
On 6/9/2020 3:13 PM, Barry wrote: I counsel inverted Vs as they are ground independent. Not really -- the earth in the near field is lossy (including fresh water) and in the reflection from earth in the far field combines with the direct signal to produce the vertical pattern. Almost any hori

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Barry
uot;Robert Sands" To: "Frank C Richards" Cc: "Elecraft Discussion List" Sent: 6/9/2020 3:22:27 PM Subject: Re: [Elecraft] K3 on motorboat. Verticals require more attention to ground but the goal should be to increase the antenna current, thus increasing radiated signal. g

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread W2xj
i think there is an esthetic problem that is more important. Sent from my iPad > On Jun 9, 2020, at 3:24 PM, Robert Sands wrote: > > Verticals require more attention to ground but the goal should be to > increase the antenna current, thus increasing radiated signal. ground into > water seems l

Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Robert Sands
Verticals require more attention to ground but the goal should be to increase the antenna current, thus increasing radiated signal. ground into water seems like a waste but has DC grounding value. I use hung vertical dipoles (20 and 15) with no need for ground and they work amazingly well. I have t

[Elecraft] K3 on motorboat.

2020-06-09 Thread Frank C Richards
Having been in the marine electronics business I was able to successfully install many HF radios on boats from large steel commercial fishing boats to a small 28 ft fiberglass fishing boat and sailboats. Anything metal , engine, fuel tanks,rudder posts,thru hulls, morse control cables,intercooler