Re: [Elecraft] K3 0n motorboat

On 6/9/2020 8:37 PM, Frank C Richards wrote: I also agree that all structures should be bonded to the counterpoise system. Some of the boat builders(Hatteras ,Bertram .etc) would put copper screen into the fiberglass layups of the flying bridge decks and roofs with a stud connected to it so

Re: [Elecraft] KAT500 Remote software and KPA500 remote software

Jack,     I'm the original poster.  I may be misstating what I want to accomplish. At the remote station location I want the KPA500 Remote software to start in host mode, with connection to the KPA500 hardware and the KAT500 remote software to also start in host mode connected to the hardware.

Re: [Elecraft] KAT500 Remote software and KPA500 remote software

Search for a recent email (a month or two ago) on this very topic from Warren/KD4Z. He’s written a Windows script that does this very thing, available at his github. Put it in your Windows Startup directory. Works great. Written for KAT500, KPA500 and KPA1500, up to two instances, for those

Re: [Elecraft] CW rise time setting

Jim, Interesting results, especially the dramatic difference in the FTDX5000 after the firmware update. The K3 looks great. Hopefully the K4 will be at least as good. Ed / w2rf -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Jim Brown Sent:

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

The PR-781 does not like the DC bias supplies from many newer ham radios. A capacitor in series with one side of the balanced line. Heil offers a specialized cable for three pin XLR mike to the mike jack on front of different brands of transceivers. Contains the capacitor as required. Works for

Re: [Elecraft] Two instances of WSJT on K3s with SubRX?

A question best asked on the WSJTx support list, where the developers hang out..     https://wsjtx.groups.io/g/main There are plenty of people there using K3's etc. In any case, it may be more of a Hamlib issue, than WSJTx, and there is "lots" of work going on at the moment with Hamlib. 73.

[Elecraft] K3 on motorboat

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

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up, Question

Both would work. Sketch out the equivalent circuit and you'll see why. As to using a TRS or TS 1/8th (3.5mm) plug, you'll have to consult the radio's manual to see exactly what's connected to the tip and ring, and if the sleeve is actually connected directly to the chassis, not via a convoluted

Re: [Elecraft] K3 on motorboat.

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

Re: [Elecraft] K3 on motorboat.

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

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

> A capacitor in series with one side of the balanced line. First, a dynamic mic element as is found in the PR-781 is neither balanced nor unbalanced. That is determined by the external connections (the input circuit to which the mic element is connected). I know of no current amateur

Re: [Elecraft] K3 on motorboat.

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

[Elecraft] Codec on the K3s

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Re: [Elecraft] K3 on motorboat.

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:

Re: [Elecraft] K3 on motorboat.

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

Re: [Elecraft] K3 on motorboat.

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

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

Since the input is clearly marked MONO, a tip-sleeve is the correct plug. If one uses a TRS plug, the ring should be connected to the sleeve inside the plug. Using a mike which has an XLR, pin 2 should connect to the Tip, pin 3 to the sleeve, and the shield only connects to XLR pin 1 at the

Re: [Elecraft] K3 0n motorboat

The original poster wants something aesthetically acceptable but performing as well as possible within those limits, whatever they might be. He didn't say it has to be a solution available over the counter. He doesn't say that experimentation is unacceptable. So I suggest that he first construct a

Re: [Elecraft] K3/100 suddenly shut down on FT8 TX

Hi all Maybe my problem looks solved. Referring to suggestions I checked all coax cables. I found a cable with bad poor contact at both end plugs. K3 see very high SWR instantaneously and it shout down. I have not seen the problem for several hours since bad cable was replaced. Thanks again

Re: [Elecraft] K3 on motorboat.

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Re: [Elecraft] [K3] Sub receiver intermittant failures

Do NOT send in just the sub! (also an intermittent will invariably NOT fail when here at Elecraft). Like Jack said, check the sub KSYN3 by tapping DISP and look for PL2 voltages or SYN2 OK (tech mode must be on). When wiggling all the cables, don't forget the one at the back of the sub. Look

Re: [Elecraft] [K3] Sub receiver intermittant failures

Maybe swap synthesizers Jack BMW Motorcycles Chuck KE9UW c-haw...@illinois.edu Sent from my iPad > On Jun 10, 2020, at 2:00 PM, Jack Brindle via Elecraft > wrote: > > That probably wouldn’t help. In this case the system includes the SubRx, the > Synthesizer and all the interconnects and

Re: [Elecraft] [K3] Sub receiver intermittant failures

Check the obvious. Are you sure you didn't accidentally turn down the RF and/or AF gain on the SubRx? I know how easy it is to do. I have seen me do it. Buck, k4ia Honor Roll 8BDXCC EasyWayHamBooks.com On 6/10/2020 2:26 PM, hawley, charles j jr wrote: Maybe you could remove the sub and

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 sometimes result in compromises. 73, Don W3FPR On 6/10/2020 1:15 PM, Barry wrote: I

Re: [Elecraft] K3 on motorboat.

The problem with this argument is the dichotomy of choice. The contrast between art and science was introduced into philosophical discussion several hundred years ago. Today, the discussion might better be divided into three categories: Art, Engineering, Science with the recognition that

[Elecraft] [K3] Sub receiver intermittant failures

I bought my K3 used. It's now a bit over six years old (S/N 8240). The seller kindly included the manual, original invoice, a repair invoice and even the Fred Cady book. The K3 was factory assembled, with a factory-installed KRX3 subreceiver and the BNC auxiliary antenna connection. If I had

Re: [Elecraft] K3(s) main oscillator calibration

In referencing TF.NIST.GOV on page 251, I find it stated; "When high accuracy is not required, probably and fastest way of comparing the frequency of an oscillator to a broadcast standard is the familiar heterodyne or zero beat method. " And then on page 253, I find it stated; " Usually,

Re: [Elecraft] [K3] Sub receiver intermittant failures

Maybe you could remove the sub and send it for evaluation somewhat economically Chuck Jack Hawley KE9UW Sent from my iPhone, cjack > On Jun 10, 2020, at 12:59 PM, Ray Albers wrote: > > I bought my K3 used. It's now a bit over six years old (S/N 8240). The > seller kindly included the

Re: [Elecraft] Two instances of WSJT on K3s with SubRX?

I have it working fine now. Thanks for all the suggestions! jim ab3cv On Mon, Jun 8, 2020 at 4:23 PM Jim Miller wrote: > Has anyone run two instances of WSJT on a single K3s with the SubRX so as > to be able to monitor both 50.323 and 50.313? > > Of course I'll only be able to transmit on the

Re: [Elecraft] K3(s) main oscillator calibration

And perfect will never occur.  So one best think of adequate. 73 Bob, K4TAX On 6/10/2020 1:42 PM, W2xj wrote: adequate is not perfect. YMMV Sent from my iPad On Jun 10, 2020, at 2:07 PM, Bob McGraw K4TAX wrote: In referencing TF.NIST.GOV on page 251, I find it stated; "When high

Re: [Elecraft] K3(s) main oscillator calibration

I agree 100%. However, the implication for using it for the reference oscillator calibration was / could be perceived as not a good way. John N8UR did an interesting study on the effects. https://www.febo.com/pages/hf_stability/ 73 Ben W4SC Sent from Mail for Windows 10

Re: [Elecraft] K3 on motorboat.

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,

[Elecraft] KPA1500 Wake On Lan not working

Wake On LAN is not functioning on my KPA-1500 using the remote software. I have the Wake On Lan and DHCP boxes checked in the Network tab in the configuration settings within the KPA1500 Utility program, and the LAN settings (including the IP address) are correct. The only condition in which

[Elecraft] Fwd: K3 on motorboat.

On 6/9/2020 10:53 PM, Jim Brown 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

Re: [Elecraft] K3(s) main oscillator calibration

adequate is not perfect. YMMV Sent from my iPad > On Jun 10, 2020, at 2:07 PM, Bob McGraw K4TAX wrote: > > In referencing TF.NIST.GOV on page 251, I find it stated; > > "When high accuracy is not required, probably and fastest way of comparing > the frequency of an oscillator to a broadcast

Re: [Elecraft] K3(s) main oscillator calibration

I have higher standards and always have. Sent from my iPad > On Jun 10, 2020, at 2:45 PM, Bob McGraw K4TAX wrote: > > And perfect will never occur. So one best think of adequate. > > 73 > > Bob, K4TAX > >> On 6/10/2020 1:42 PM, W2xj wrote: >> adequate is not perfect. YMMV >> >> Sent from

Re: [Elecraft] [K3] Sub receiver intermittant failures

That probably wouldn’t help. In this case the system includes the SubRx, the Synthesizer and all the interconnects and cables that connect these to the rest of the radio. I would check the interconnects, especially the tmp coax cables that go from the SubRx to the rear panel connector and to

Re: [Elecraft] K3 working on motorboats - possible

Jim, you are right, too often we mean counterpoise and say ground. Hopefully Peter can start doing his experiments based on our wisdom and I'm curios what will work ok for him. 73 Gernot DF5RF Am 09.06.2020 um 22:42 schrieb Jim Brown: On 6/9/2020 1:21 PM, g...@gmx.net wrote: anywhere then you

[Elecraft] SSB Net for 5-7-2020

Here is the list of stations checking in to the 20m SSB net for June 7, 2020. Thank you to the relay stations listed below for your help in checking in additional stations. The net meets on Sundays at 1800Z on 14.303.5. We also have a 40 m net on 7.280 at 1845Z. And a brand new 80m net at 0100Z

Re: [Elecraft] A couple of KPA1500 remote operating questions

My 2 cents I ran a KPA500 in a boat house for 6 or 7 years. It wasn't heated, covered or filtered. It saw temperatures from -25C to +35C and humidities from 15% to 99% and it worked perfectly for those years. In fact, it still works today but I just replaced it with a higher power amp. This

Re: [Elecraft] K3 on motorboat.

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

Re: [Elecraft] K3 on motorboat.

Don, Yep. You do understand what I was trying to say. What a lot of folks don't understand is that the compromises I make may or may not be those that you would make, and if there were more engineers involved, there could be that many reflections of what needs to be done. All I can say is

Re: [Elecraft] K3 on motorboat.

Phil, I think I understand your point. I think I can live with it. However, I never studied philosophy. 73, Barry K3NDM -- Original Message -- From: "Phil Hystad via Elecraft" To: "Barry" Cc: elecraft@mailman.qth.net Sent: 6/10/2020 1:50:48 PM Subject: Re: [Elecraft] K3 on

Re: [Elecraft] K3 on motorboat.

Don, I worked as a design engineer and then transitioned to system engineering/project management. In those latter days, I would receive a requirement set from which I needed to make sense. I also had budgetary issues that were built in, more requirements than money. And, there might

Re: [Elecraft] KPA1500 Wake On Lan not working

On Wed, Jun 10, 2020 at 11:39 AM Peter Dougherty wrote: > Wake On LAN is not functioning on my KPA-1500 using the remote software. I > have the Wake On Lan and DHCP boxes checked in the Network tab in the > configuration settings within the KPA1500 Utility program, and the LAN > settings

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 is required to meet 1) customer demands, 2) budget constraints, 3) speed to first

Re: [Elecraft] A couple of KPA1500 remote operating questions

The concern is 100% noise. Heat I don’t mind, and it helps in the winter. I’ll see about a HEPA room filter. The area is a concrete crawl space below my shack, about 3 feet high and 25 feet long, with a sheltered window at one end and access to the main part of the basement at the other. I

[Elecraft] A couple of KPA1500 remote operating questions

Hi all, Within the next week or two I am hoping to relocate my KPA-1500 to a basement crawlspace, but before calling in the electrician and getting ready to move it, I have a couple of questions. 1. The area it will be going into is dusty. To the point that when I'm in there to check on

Re: [Elecraft] KPA1500 Wake On Lan not working

If needed, the KPA1500 can be remotely powered on and off by momentarily grounding Pin 8 of the KPA1500 AUX port, however this will not work using an unmodified KPAK3AUX cable, which has no connection to Pin 8. However, this "remote power on" feature is supported by the Y-BOX v2.x

Re: [Elecraft] A couple of KPA1500 remote operating questions

On Wed, Jun 10, 2020 at 4:33 PM Peter Dougherty wrote: > 1. The area it will be going into is dusty. Dust is not good for amplifiers. They must move lots of air through the amplifier. Do you really have to put it there? Is it because you can't stand the fan noise? Or the heat? > I

Re: [Elecraft] KAT500 Remote software and KPA500 remote software

Mike,     Thanks!  The batch file that Warren put on github is just what I was looking for! Gordon - N1MGO On 6/10/2020 9:41 AM, Mike - W5JR wrote: Search for a recent email (a month or two ago) on this very topic from Warren/KD4Z. He’s written a Windows script that does this very thing,

Re: [Elecraft] K3 on motorboat.

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

Re: [Elecraft] K3(s) main oscillator calibration

How much doppler shift should be expected? Sent from Mail for Windows 10 From: W2xj Sent: Saturday, June 6, 2020 5:31 PM To: w4sc Cc: wes_n...@triconet.org; elecraft@mailman.qth.net Subject: Re: [Elecraft] K3(s) main oscillator calibration the problem with WWV is doppler shift. Sent from my

Re: [Elecraft] K3 on motorboat.

I strongly disagree. How many compromises were made to pull this off. You may use the laws of physics and math to design something, but unlike physics or math, engineering is not as precise. that means there are judgment calls made by design engineers. Physicists make judgemet call also, but