Re: [Elecraft] K4 AM Transmit Bandwith and AM Receive

2024-06-02 Thread Jim Brown
On 6/2/2024 3:27 PM, Bob Gale wrote: Also, has AM receive been activated on the K4, and if so, AM selectable sideband sync detector? I listen to the AM Broadcast band using the SSB detector. Max RX bandwidth is 5 kHz, which just about optimum for speech. I use it to evaluate performance of

Re: [Elecraft] Lightning concerns: Was: K4 Remote: My QTH vs. a friend's, many miles to the north

2024-05-07 Thread Jim Brown
On 5/7/2024 4:46 PM, Al Lorona wrote: In spite of all the grounding and bonding and spark-gapping and everything else you may have done, are you confident enough that you would trust it all and let the direct hit happen? Or would you disconnect everything -- you know, just in case? I suspect

Re: [Elecraft] Lightning concerns: Was: K4 Remote: My QTH vs. a friend's, many miles to the north

2024-05-05 Thread Jim Brown
On 5/5/2024 6:11 AM, Mike Fatchett W0MU wrote: There is no rhyme or reason why some devices are not damaged and other are. Indeed there IS rhyme and reason, but some of us haven't learned the tune! :) 73, Jim K9YC __ Elecraft

Re: [Elecraft] Lightning concerns: Was: K4 Remote: My QTH vs. a friend's, many miles to the north

2024-05-05 Thread Jim Brown
On 5/4/2024 9:57 PM, Rick NK7I wrote: From your description Jorge, it sounds like you did it correctly, but missed an entry point. I don't have sufficient information to agree that what Jorge described was correct. HOW all of that is done, matters. Failure to bond all the ground rods, and

Re: [Elecraft] K4 Remote: My QTH vs. a friend's, many miles to the north

2024-05-05 Thread Jim Brown
On 5/4/2024 9:21 PM, Jorge Diez - CX6VM wrote: So there is my question, if for such an expensive piece of equipment, there could be something of better quality, if not, I apologize, we will have to live with these things. The only things that Elecraft should do to prevent lightning damage are

Re: [Elecraft] (ot) noise reduction resources

2024-04-05 Thread Jim Brown
On 4/5/2024 12:59 PM, Robert Strickland via Elecraft wrote: The screen shot of the noise is posted on QRZ.com. This link will get you there. https://forums.qrz.com/index.php?threads/noise-reduction-resources.908913/ The thin vertical lines look like they're coming from some piece of

Re: [Elecraft] (ot) noise reduction resources

2024-04-05 Thread Jim Brown
On 4/4/2024 03:04, Jim Brown wrote: On 4/3/2024 6:44 PM, Robert Strickland via Elecraft wrote: Jim, does that include attachments? No attachments. Elecraft started this reflector at least 25 years ago. That's how reflectors were in those days, and many of the old ones still exist

Re: [Elecraft] (ot) noise reduction resources

2024-04-03 Thread Jim Brown
On 4/3/2024 6:44 PM, Robert Strickland via Elecraft wrote: Jim, does that include attachments? No attachments. Elecraft started this reflector at least 25 years ago. That's how reflectors were in those days, and many of the old ones still exist. There are several hosted at contesting.com

Re: [Elecraft] (ot) noise reduction resources

2024-04-02 Thread Jim Brown
On 4/2/2024 1:45 PM, Robert Strickland via Elecraft wrote: let;s try again w/ pic. This reflector is plain text only. It rejects everything else, including formatted text. 73, Jim K9YC __ Elecraft mailing list Home:

Re: [Elecraft] K4D purchase

2024-03-24 Thread Jim Brown
On 3/24/2024 4:15 PM, Kevin McQuiggin wrote: Comments from owners of k4D I've had mine for 18-24 months. Like it a lot. Compared to K3S, better filters, sound of the radio improved, thanks to what chips were available 16 years later. Only issue is RF feedback at rear panel 3.5mm jacks. I

Re: [Elecraft] Considering purchase of K4D

2024-03-13 Thread Jim Brown
Hi Allen, On 3/13/2024 12:56 PM, n...@earthlink.net wrote: Other than diversity receive, what additional benefits do I get with the 'D' version (for $1000)? Diversity RX is a biggie if you can rig decent antennas to use with it. I also use it in 160 contests when I want to listen in more

Re: [Elecraft] Mysterious K3 Symptoms - RFI?

2024-03-13 Thread Jim Brown
On 3/13/2024 9:24 AM, Victor Rosenthal wrote: I recommend replacing Ethernet cables with wifi when possible, both for noise and rfi problems, as well as reducing the chance of lightning damage. I agree, Vic. I did that 20 years ago, before I moved west from Chicago, and never looked back. I

Re: [Elecraft] K4D for bargain price on eBay

2024-03-12 Thread Jim Brown
On 3/12/2024 12:29 PM, John Oppenheimer wrote: Did you measure a Choke Balun, or sometimes known as Common Code Choke "The book" are in several pdf applications notes on my website. What I measured is well documented there. 73, Jim K9YC

Re: [Elecraft] K4D for bargain price on eBay

2024-03-12 Thread Jim Brown
On 3/12/2024 9:29 AM, jerry wrote: On 2024-03-12 08:56, ev...@pa2kw.com wrote: If someone could tell what manufacture/type/model these cores are, I'm sure you can get this done for $20 *** Generally, it's well known what mix is required.  Here's a good article by Palomar Labs:

Re: [Elecraft] Piggy back KPA 1500 onto KPA 100

2024-03-11 Thread Jim Brown
The KPA1500 has a great tuner. Like all Elecraft amps and tuners, it has nearly instantaneous automatic frequency detection and band-switching. A single dit or tap on the mic is all it takes. I used it for years with nothing but the front panel controls, which consist of a switch between two

Re: [Elecraft] Tip: Front Panel Illumination Tip

2024-03-07 Thread Jim Brown
On 3/6/2024 8:39 AM, Rick Tavan wrote: It runs on USB power (not supplied) and works a treat! Looks nice. One caution, though -- USB-powered devices sometimes have DC-DC converters that can be noisy. W6GJB alerted me to this several years ago, when he chased noise down to USB-powered

Re: [Elecraft] O.T. Increase inDigital data on 30m

2024-02-24 Thread Jim Brown
Thanks for the explanation, Dave. One small correction -- today's RTTY contest the North American QSO Party, is intended as a 100W contest, and features team competition with a limit of 100W. There are people who enter at high power, but they are a very small minority. If I'm not mistaken,

Re: [Elecraft] K3s port isolation??

2024-02-01 Thread Jim Brown
Hi Peter, There are many ways in which noise enters our radios. Failure to do proper grounding and bonding both within our stations and throughout our homes is one cause. Failure to chase down and remove the dozens of noise sources in typical US homes is another. There are detailed

Re: [Elecraft] Big Screen for K4

2024-01-30 Thread Jim Brown
On 1/30/2024 4:46 PM, Alan Geller via Elecraft wrote: Thanks for any help. One of the most important factors in picking any monitor is whether it, or its PSU, generates noise, and how much it generates. An ideal condition is to be able to power from a 12-14V bus, so that you can drive it

Re: [Elecraft] KAT 500 Loses Match

2024-01-13 Thread Jim Brown
On 1/13/2024 2:02 PM, email wrote: With the K4 power (drive) low enough, the amp can make 200W.  Maybe not efficiently. I regularly reduce drive from K3 or K4 to big amp to run 100W in NAQP, and on 60M, and 200W on 30M. I do that because I run the K3 and K4 for two-radio contesting from a

Re: [Elecraft] KAT 500 Loses Match

2024-01-12 Thread Jim Brown
On 1/12/2024 1:46 PM, Paul Ecker wrote: Does this sound like a KAT 500 problem or maybe an RFI problem. It sounds like a problem somewhere after the output of the power amp, including all interconnecting cables, the feedline, and the antenna. Common problems are loose connectors and/or

Re: [Elecraft] K3+KPA500+KAT500 RFI Revisited

2024-01-12 Thread Jim Brown
On 1/12/2024 12:18 PM, Jeff Wandling wrote: Seems like a while ago I was troubleshooting the RFI problem between the equipment. Is everything in your home and your station properly bonded and grounded? Is every chassis on your operating desk bonded together? Is the operating desk common point

Re: [Elecraft] My KPA-500

2024-01-10 Thread Jim Brown
On 1/10/2024 3:08 PM, David Gilbert wrote: That which works fine at 100 watts might not work fine at 500. That specially applies to antenna systems, including all the cable and connectors between the amp, a tuner if there is one, and the antenna, and the antenna itself. With 500W, voltage

Re: [Elecraft] Ham Antenna group...

2024-01-07 Thread Jim Brown via Elecraft
On 1/7/2024 5:40 AM, Dave (NK7Z) wrote: Thanks for vote of confidence sir!  I have a question for you...  Have you been following the discussion on CMCs and if they are coax, or two wire, vs., constructed, and the results of impinged RFI on the cables feeding a rig I don't know about the

Re: [Elecraft] Origin of Signal-Fine Structures in SSB Pass Band Waterfall, mainly 80/40m

2024-01-07 Thread Jim Brown via Elecraft
On 1/6/2024 4:05 PM, Dave (NK7Z) wrote: I have some articles on this subject at: Dave's stuff is excellent. I'm also an EMC professional, long time Vice-Chair of the EMC WG of the Standards Committee of the Audio Engineering Society, principal author of most of our EMC Standards. And I've

Re: [Elecraft] Origin of Signal-Fine Structures in SSB Pass Band Waterfall, mainly 80/40m

2024-01-07 Thread Jim Brown via Elecraft
On 1/6/2024 9:54 AM, Chris wrote: Digital signals (square waves, waveforms with sharp edges) have very high spectral content (_many_ harmonics), so you may see many lines at constant frequency spacing all over the HF spectrum and beyond. Switching power supplies (inside electronic devices,

Re: [Elecraft] Beware of junk mail: "four pictures to you from Elecraft List"

2024-01-02 Thread Jim Brown
On 1/2/2024 6:10 PM, Pete Smith N4ZR wrote: Tbird is what I have used for years. Same here. It's very well designed software. That ability to see the raw code in an email can be helpful with issues like this. 73, Jim K9YC __

Re: [Elecraft] KAT-500 + KPA-500 / SWR Thresholds

2024-01-01 Thread Jim Brown
On 1/1/2024 8:33 PM, Jeff Wandling wrote: TL;DR; Situation is resolved. Bad RF due to crap elbow connector and lack of diligence in ferrite application on AUX serial cabling. Thanks for posting. Two points. First, NEVER use JUNK connectors, defined as anything that isn't stamped Amphenol, or

Re: [Elecraft] P3

2023-12-17 Thread Jim Brown
On 12/17/2023 1:12 PM, Brian Hunt wrote: I’ve discovered that it’s easier to see a very weak signal on the waterfall than in the amplitude plot. Setting the SVGA screen for 25% spectrum and 75% waterfall gives lots of space to see dim traces. You may have to adjust the threshold a bit. YES!

Re: [Elecraft] P3

2023-12-17 Thread Jim Brown
On 12/17/2023 12:05 PM, Jim Murray via Elecraft wrote: My thought is at this point the P3 is not doing me much good looking for a weak dx signal.  I have to think I have something not set up right etc.. What is required is careful (and ongoing) adjustment of P3 controls. For everyday

Re: [Elecraft] User's Dilemma

2023-12-15 Thread Jim Brown
On 12/15/2023 12:41 PM, KJ7SOY wrote: and the primary industry (about 80% of the business in the area) is agriculture. People won’t move to small/medium sized agricultural communities because there isn’t a lot there for them, so importing skilled staff isn’t feasible. That's a pretty limited

Re: [Elecraft] User's Dilemma

2023-12-14 Thread Jim Brown
On 12/14/2023 10:57 AM, Pete Smith N4ZR wrote: If they were starting from scratch, I'd agree, but there are currently-operating independent technicians out here who could be up and running relatively easily. I supervised a service department many years ago, having previously worked on a

Re: [Elecraft] K3S Receiver Spurious

2023-12-05 Thread Jim Brown
On 12/5/2023 9:33 AM, Michael Tope wrote: I did move the Astron RS-35 that powers the K3S off my UPS a few weeks ago. See this note on a manufacturing issue that I found in several of my Astron supplies that can cause instability. The bond between the AC green wire, V-, is insulated from the

Re: [Elecraft] Noise from KAT500?

2023-12-04 Thread Jim Brown
Clarifying a typo, "antenna tuners" like the KAT500 are networks that transform the impedance presented by the transmission line to 50 ohms, allowing the output stage to provide power to the line. This has NO effect on loss in the line, which is determined solely by the match between the

Re: [Elecraft] Noise from KAT500?

2023-12-03 Thread Jim Brown
On 12/3/2023 4:20 PM, David Woolley wrote: small, ferrite toroid. Using a higher frequency allows a less bulky transformer. Yes. 73, Jim K9YC __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] Elecraft Digest, Vol 236, Issue 2

2023-12-03 Thread Jim Brown
On 12/3/2023 9:23 AM, Bob McGraw wrote: Jim, K9YC, has very strong merits in that each and every piece of equipment MUST be bonded to a single common point.   I use the station power supply for my single common bonding  point.  I DO NOT use an external dedicated ground as it would be 35 ft in

Re: [Elecraft] Noise from KAT500?

2023-12-02 Thread Jim Brown
On 12/2/2023 7:33 PM, David Gilbert wrote: Most of them have almost no reliable voltage regulation either. They are typically designed for a certain load, and if they don't see that load the voltage is much higher than rated.  I've tested dozens of these things (I tend not to throw anything

Re: [Elecraft] Noise from KAT500?

2023-12-02 Thread Jim Brown
On 12/2/2023 5:48 PM, W2HX wrote: I then replaced the wall-wart power supply with a 12V battery. And this is what I saw for BOTH bypass and inline. Clearly the problem. https://w2hx.com/x/Elecraft/KAT500/Noise-Issue/KAT500-battery.png using a battery, the noise is about -80 dBm. Using the

Re: [Elecraft] USB/3.5mm Extension?

2023-11-29 Thread Jim Brown
On 11/29/2023 7:47 AM, Andy Durbin wrote: The MAX3232 terminates the input with 5k which is almost identical to the KAT500 transmitter source impedance. The impedance that must be matched to preserve waveshape is that of the transmission line. The RS232 protocol does not do that. Most other

Re: [Elecraft] USB/3.5mm Extension?

2023-11-28 Thread Jim Brown
On 11/28/2023 6:46 AM, Andy Durbin wrote: Isn't it true that the KAT500 USB cable uses RS-232 protocol but TTL signal levels? T RS-232 is NOT a matched transmission line -- it's a low-Z source and high-Z input. The limitation on line length is not signal strength, but rounding of the

Re: [Elecraft] Power oscillation problem (KPA500+KAT500)

2023-11-21 Thread Jim Brown
On 11/21/2023 9:03 AM, Andy Durbin wrote: I should be able to fix the problem with better decoupling and/or choking of the breakout box connections. That suggests bonding and grounding may not be sufficient. Every chassis that is part of the station must be bonded together, and that bonded

Re: [Elecraft] Power oscillation problem (KPA500+KAT500)

2023-11-20 Thread Jim Brown
On 11/20/2023 8:00 PM, Rick NK7I wrote: In that search, high on the list of suspects (right up there with failure of any antenna elements) is damage from tiny livestock (mice, rats, birds that may have gotten into the attic or bugs like mud wasps); chewed wires, cables and insulators. More

Re: [Elecraft] K3 Resistor Values

2023-11-15 Thread Jim Brown
Schematics are on their website. 73, Jim K9YC On 11/15/2023 5:20 AM, sem...@semaos.plus.com wrote: Can anyone tell me where I can get the values of Resistor R81 on the K3S RF Board please? __ Elecraft mailing list Home:

Re: [Elecraft] KPA 500 Question

2023-11-13 Thread Jim Brown
I have cables that control the amplifier for each radio. By default, the KPA500, KPA1500, and KAT500 all have near-instantaneous frequency-detection. They switch very quickly to the right band, and the tuners will recall previous antenna tunings for the detected frequency. All it takes is a

Re: [Elecraft] Duty Cycle of FT8 #Elecraft

2023-11-10 Thread Jim Brown
On 11/10/2023 6:27 AM, Pete Smith N4ZR wrote: I started operating FT8 while my KPA-1500amp was out for repair.  Now it's back and raising a question: Operating with just my K-3, set at 100 watts, I would see 100 watts indicated on its meter through the whole 15-second FT8 transmission.. When

Re: [Elecraft] HI CUR warning on K3

2023-11-08 Thread Jim Brown
On 11/8/2023 8:21 AM, Pete Smith N4ZR wrote: I've fairly well established that the problem is not at the antenna, but arising somewhere in the grounding/RFI protection in my station, since it occurs only on one band and (more importantly) because it stopped totally after I re-tightened all the

Re: [Elecraft] K3S Split Operation

2023-11-06 Thread Jim Brown
On 11/6/2023 10:37 AM, Wes wrote: I've been licensed 65 years and I've never owned a transceiver with two receivers.  I am one away (drat) from top of the DXCC Honor Roll, am on both the Mixed and Phone HR, am a few short on CW and have DXCC on nine bands. A person's needs/desires depends on

Re: [Elecraft] KX3 - CWT, no ALC in Data Mode

2023-10-28 Thread Jim Brown
On 10/28/2023 2:29 PM, John Overbaugh wrote: Messing around with PSK today and I'm stumped... I am sure I just switched a setting somewhere but I can't figure out where. When I am in DATA A mode for PSK, I see the CWT meter, not the ALC meter. ALC shows only in TX mode. For digital modes, the

Re: [Elecraft] List guidelines, please review.

2023-10-27 Thread Jim Brown
Blank email. This reflector is plain text only, and is known to reject posts with HTML-formatting. 73, Jim K9YC On 10/27/2023 2:52 PM, Rich WC3T wrote: __ Elecraft mailing list Home:

Re: [Elecraft] XV 144 trasnverter for sale

2023-10-26 Thread Jim Brown
On 10/26/2023 10:20 AM, Clay Autery wrote: 1) It ain't Elecraft. That could be a plus -- that 20 year old series of transverters had serious stability problems, thanks at least in part to seriously flawed construction. RF I/O was on BNCs that were isolated from the chassis! I bought a set

Re: [Elecraft] TS-890 vs K4D performance?

2023-10-23 Thread Jim Brown
On 10/23/2023 2:24 PM, Linda M wrote: Blank email. This reflector is plain text, rejects HTML 73, Jim K9YC __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post:

Re: [Elecraft] Headset Hubbub

2023-10-12 Thread Jim Brown
On 10/12/2023 4:33 PM, Al via Elecraft wrote: A large music distributor, sweetwater.com, sells the Yamaha language learning system and has occasionally had CM-500s available at a reasonable price. They're a good, long established company. Another in that league is Full Compass, based in

Re: [Elecraft] Trade K4D for loaded K3S + cash

2023-09-17 Thread Jim Brown
On 9/17/2023 9:51 AM, n...@n1ix.com wrote: As you probably know the K4 is a great radio but I am a CW op and don't use most of the features. I've always been primarily a CW op, and my K4D is the best rig for CW I've ever owned in 69 years as a ham. I especially like the filters and the sound

Re: [Elecraft] OT: The day I found out I was going to be an engineer

2023-09-16 Thread Jim Brown
On 9/16/2023 7:09 PM, Nate Bargmann wrote: Don't push too hard. Even though dad fixed some TVs up until I was six or seven, I didn't gain an interest in electronics until after high school at age 17. As a youth I had Lego, Tinker Toys, and Erector Sets. All were educational in various ways.

Re: [Elecraft] K2 Band Data

2023-09-02 Thread Jim Brown
On 9/1/2023 7:21 PM, Michael Carter wrote: One clarification on the AUXBUS signal: the 'auxbus' is Elecraft's proprietary 1-wire signaling scheme by which the main MCU on the K2 Control board talks to all of the other controller ICs on the various option modules and the I/O controller (relay

Re: [Elecraft] Portable antennae for the KX3

2023-09-01 Thread Jim Brown
On 9/1/2023 1:36 PM, Walter Underwood wrote: Regardless of what else you carry, I recommend taking a BNC to double binding post adaptor and two wires, 25 feet each. Excellent advice. 73, Jim K9YC __ Elecraft mailing list Home:

Re: [Elecraft] Portable antennae for the KX3

2023-09-01 Thread Jim Brown
On 9/1/2023 12:46 PM, Bill Priakos via Elecraft wrote: I am new to the site – I hear some antenna designs for portable operation with the KX3 posted here! There's nothing special about antennas for Elecraft radios. The ARRL Handbook and Antenna Book are our friends, and ought to be on every

Re: [Elecraft] KPA500 17M missing

2023-08-31 Thread Jim Brown
On 8/31/2023 2:45 PM, Henry Pfizenmayer via Elecraft wrote: I have a friend across town who has a KPA500 built from a kit Aug 2017 SN 33XX who has never used his K3S or KPA500 on17 m and just got an antenna for 17 and lo and behold NOTHING he does will allow operation on 17. Hank, Will

Re: [Elecraft] FW: Interesting observations after installing antenna switch

2023-08-29 Thread Jim Brown
On 8/29/2023 7:58 PM, ken.k...@gmail.com wrote: 80 meter OCFD through an LDG AT-1000Pro tuner for everything below 20. Where is the tuner? Jim __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] Interesting observations after installing antenna switch

2023-08-29 Thread Jim Brown
On 8/29/2023 11:58 AM, ken.k...@gmail.com wrote: The designer of the switch says that each band data channel only draws around 4 mA, with each channel buffered by a transistor switch in an attempt to isolate the band data voltage from the radio. In my working days in the entertainment industry,

Re: [Elecraft] A Good Headset For A K3

2023-08-09 Thread Jim Brown
On 8/8/2023 10:32 PM, Victor Rosenthal wrote: Back in the days that I operated SSB, I transmitted more than one meow as a result of using VOX. I had a cat that loved to sleep on top of my K2, while looking out the window. I have photos. 73, Jim K9YC

Re: [Elecraft] CM-500 Question

2023-08-08 Thread Jim Brown
On 8/8/2023 7:07 AM, David Herring wrote: Comfort. My ears tend to be on the large side. Most “over the ear” headphones are really “on ear” headphones for me. After an hour or two of that, my ears really begin to hurt. The CM500s have large enough cups to encompass my entire ear (albeit

Re: [Elecraft] CM-500 Question

2023-08-07 Thread Jim Brown
On 8/7/2023 4:09 PM, David Herring wrote: I can confirm that it works (albeit poorly) with bias on and does not work at all when the bias is turned off. Thanks Dave. 73, Jim K9YC __ Elecraft mailing list Home:

Re: [Elecraft] CM-500 Question

2023-08-07 Thread Jim Brown
On 8/7/2023 12:44 PM, Alan Bloom wrote: I also use it for recording a radio show on a computer sound card. Again, I have to set the gain to near maximum to get proper levels. Alan, The CM500 has always had an electret mic, which requires bias, although the data sheet has always called it a

Re: [Elecraft] CM-500 Question

2023-08-07 Thread Jim Brown
On 8/7/2023 10:46 AM, Larry Martin wrote: I've read several comments that the current CM-500's don't have as good of a microphone as the earlier ones. That's news to me, but the last one I bought was 4-5 years ago. 73, Jim K9YC __

Re: [Elecraft] A Good Headset For A K3

2023-08-06 Thread Jim Brown
Looks like a well thought out design, except for the focus on impedance matching, which hasn't been the practice in audio for almost 50 years. Impedance matching is primarily a transmission lines concept. Standard practice has long been low-Z source and high-Z input impedance. :) I don't see

Re: [Elecraft] A Good Headset For A K3

2023-08-06 Thread Jim Brown
On 8/6/2023 2:29 PM, George Fremin III wrote: I tried settings that rolled off the low end in a few contests but for me this is not work well - this gives me a fuller sound that I am much happier with and I often get good audio reports from folks. Hi George, Your monster station gives you a

Re: [Elecraft] A Good Headset For A K3

2023-08-06 Thread Jim Brown
On 8/6/2023 11:43 AM, Eric Garner wrote: 2nding the radiosport headsets. They are not cheap, but they are comfortable for extended wear, sound great, and block nearly all background noise. Comfort depends strongly on the head of the wearer. I tried on a set twice, first at a club meeting,

Re: [Elecraft] Buying a K4 in UK

2023-08-03 Thread Jim Brown
On 8/3/2023 3:47 PM, G3WPF via Elecraft wrote: I would still rather travel one hour within this country to get things sorted.  Your experience of Kenwood in the USD is a mirror image of the situation here with Elecraft.  It seems a characteristic of US manufactured equipment over here going

Re: [Elecraft] Buying a K4 in UK

2023-08-03 Thread Jim Brown
On 8/3/2023 2:29 AM, G3WPF via Elecraft wrote: You are still missing the point Jim. The choice is simple.  The customer can either go through the risk and rigmarole of conducting their business direct with Elecraft, several thousand miles away or driving an hour or so to buy/have

Re: [Elecraft] Buying a K4 in UK

2023-08-02 Thread Jim Brown
On 8/2/2023 7:40 PM, Peter Hall wrote: Unfortunately, Elecraft's preferred carrier - UPS - is certainly not Tier-1 Elecraft is a small enough company that the issue of shipment could certainly be addressed when discussing a purchase. I've long heard that DHL is well respected in the UK.

Re: [Elecraft] Buying a K4 in UK

2023-08-02 Thread Jim Brown
On 8/2/2023 12:55 PM, David Gilbert wrote: That's a pretty simplistic and condescending reply to Geert's well written post. Which ignore the obvious -- ask before assuming. 73, Jim K9YC __ Elecraft mailing list Home:

Re: [Elecraft] Buying a K4 in UK

2023-08-02 Thread Jim Brown
On 8/2/2023 12:34 PM, Geert Jan de Groot wrote: For one, it is not obvious because Elecraft does not have (and can not have) expertise in the complex and fast-changing world of international customs regulations. Management at Elecraft are not babes in the woods. 73, Jim K9YC

Re: [Elecraft] Buying a K4 in UK

2023-08-02 Thread Jim Brown
Call Elecraft and see what they tell you. Why is this not obvious? 73, Jim K9YC __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net

Re: [Elecraft] A dumb question about lightning

2023-07-31 Thread Jim Brown
On 7/31/2023 2:14 PM, jerry wrote: Interesting.  Suppose the service entrance is at one end of the house, and the ham shack at the other end?  I don't think it's physically possible to provide a low inductance path that's 60 feet long, is it? I've posted a link to my tutorial, which covers

Re: [Elecraft] K4 and Yamaha CM-500 Mic?

2023-07-30 Thread Jim Brown
On 7/30/2023 4:40 PM, Oscar Staudt wrote: I attempted to get 3-5 bars of ALC by turning up the mic gain control. Even with the gain up to 80, I’d have to speak*very* loudly to just get a flicker on the ALC meter. Do the headphones work? Are you sure that the mic is plugged all the way into

Re: [Elecraft] Grounding, Lightning & Attic Antennas

2023-07-29 Thread Jim Brown
On 7/29/2023 7:18 PM, Steve L wrote: What I don’t clearly see is how to provide a station and antenna ground for a basement operating position. Steve, Email reflectors are NOT the place to learn this stuff, but they are the place to learn where to learn it. STUDY the link I provided to my

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Jim Brown
On 7/28/2023 5:46 PM, Tom Doligalski via Elecraft wrote: Turned out when the cable was brought into the house many years ago the installer failed to adequately ground at the entry point In the home I bought here in W6, power, CATV, and telco terminate at the same point. That's a good

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Jim Brown
A very significant thing I remember that's new/significantly expanded in the second edition is to address a shack on a higher floor or otherwise non-ideally located. Other issues like that. A lot of little stuff, like responding to questions Ward had heard when he did talks to clubs and at

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Jim Brown
On 7/28/2023 1:31 PM, Al Lorona wrote: Please don't laugh at me; I'm a transplant from a region of the country with essentially no lightning to a region where you have to worry about it quite a bit. The answer is, as KK9A said, to follow proper grounding and bonding to the letter. N0AX's

Re: [Elecraft] Aircraft Doppler shift

2023-07-24 Thread Jim Brown
Interesting! Other observations in this thread have been with respect to FT8 signals on 6M. 73, Jim K9YC On 7/23/2023 7:45 PM, Jim Brown wrote: Andy, My observations here are consistent with yours -- I regularly see Doppler on either side of a signal, sometimes even both sides, which

Re: [Elecraft] Aircraft Doppler shift

2023-07-23 Thread Jim Brown
Andy, My observations here are consistent with yours -- I regularly see Doppler on either side of a signal, sometimes even both sides, which would be consistent with multiple aircraft. And without Doppler, I always see low level sidebands on locals that are approximately symmetrical with the

Re: [Elecraft] Power hunting

2023-07-23 Thread Jim Brown
Exactly right, Joe. AND, the crystal filters in the K3 are not ideal. Soon after I started running RTTY with my K3s in 2008, I saw incidental AM resulting from the ripple in the stock 2.7 kHz 5-pole filter. When I replaced it with a 2.8 kHz 8-pole filter, which is flatter, but still not

Re: [Elecraft] K3 Power-hunting on FT8

2023-07-23 Thread Jim Brown
On 7/23/2023 9:49 AM, Andy Durbin wrote: It is my belief that many of the wide FT8 signals seen on 6 m FT8 are caused by Doppler shifted aircraft reflections. It's very common here in the Phoenix metro area and does not imply that the transmitted signal was in any way abnormal. YES! It's

Re: [Elecraft] K3 Power-hunting on FT8

2023-07-20 Thread Jim Brown
On 7/20/2023 2:47 PM, Rick NK7I wrote: s said MANY times, set the WSJT-X output to MAX, then IGNORE IT. Hi Rick, This is the only part of your excellent advice that I disagree with. The reason is that the analog stages of computer gear tend to be poor, and start generating increased

Re: [Elecraft] K3 Power-hunting on FT8

2023-07-20 Thread Jim Brown
On 7/20/2023 2:16 PM, Pete Smith N4ZR wrote: I've recently started operating FT8, and on advice from other K3 users, have been adjusting the power slider in WSJT-X to a level just short of or just into the first flickers of ALC.  I did this because I was advised that setting the slider for 4

Re: [Elecraft] Very late to the party - computer rig control and sound card modes for K3

2023-07-18 Thread Jim Brown
On 7/18/2023 1:58 AM, Paul Barlow wrote: I'm still using a paper log, and QRP CW is my 'thing'. One other thing. By all means, get into computer logging. MANY reasons to do so, including easy interface with LOTW. Like you, I've always been primarily a CW op, work some QRP, but also do lots

Re: [Elecraft] Very late to the party - computer rig control and sound card modes for K3

2023-07-18 Thread Jim Brown
Hi Paul, Yes, that USB cable will work just fine for rig control. You will want some sort of audio interface. The Signalink is well advertised, but not a great product nor value for the money. There's a piece on my website about some very good interfaces from the world of pro audio. Some of

Re: [Elecraft] KPA500 PA DISS fault

2023-07-16 Thread Jim Brown
On 7/16/2023 6:43 AM, Rajiv Dewan wrote: What do you think I should check or do? Call Elecraft support. Their service techs will likely have seen it before. 73, Jim K9YC __ Elecraft mailing list Home:

Re: [Elecraft] PRIVATE Re: Field Day Operation

2023-07-10 Thread Jim Brown
Right. Bad fingers. On 7/10/2023 8:17 AM, Kent Trimble wrote: Jim ... There was no FTDX1000. FTDX5000 maybe? Kent K9ZTV On 7/10/2023 5:40 AM, Jim Brown wrote: It was motivated by complaints by WRTC participants of trash competitors in the same group of sites were generating with rigs

Re: [Elecraft] Field Day Operation

2023-07-10 Thread Jim Brown
On 7/9/2023 11:32 PM, dyno lab wrote: However, a new K3s Retrofit RF power amplifier is coming on the market that will resolve this problem and it may be seen in my W7YNC Bio at QRZ.com Engineering is NOT defined as producing an ideal product, but one with certain user objectives, one of

Re: [Elecraft] Err 70 PTT low power

2023-07-02 Thread Jim Brown
On 7/2/2023 7:54 AM, Christian Friess wrote: I don't own a K4. But my experience let me bet "RF got into a cable". I wonder what power you are using. There is a SCREAMING Pin One Problem at the connector for the paddle and/or the key. From what I can discern from Elecraft's response, it is

Re: [Elecraft] Field Day Operation

2023-07-01 Thread Jim Brown
This is typical of what I see anytime I tune the phone bands from Yaesu rigs, except that the dynamic range my K4D is far better adjusted. I've been posting about this for a couple of years now. Around that time, W4TV had posted general comments about how it was happening. 73, Jim K9YC On

Re: [Elecraft] Field Day Operation

2023-07-01 Thread Jim Brown
On 7/1/2023 10:34 AM, Steve L wrote: The IC7300 was among the better commercial transceivers in terms of spurious emissions, clicks, splatter, etc. It wasn’t at the top of the list (the K3s is however), but was in the “better” category. However, Rob recommended a change in the CW signal rise

Re: [Elecraft] Field Day Operation

2023-07-01 Thread Jim Brown
On 7/1/2023 8:47 AM, Steve L wrote: I recently discovered several presentations by Rob Sherwood - famous for his receiver testing. I was fortunate to get to meet him at Hamvention this year and thanked him for his work. His new(?) message: CLEAN UP THE DIRTY TRANSMITTERS. And he calls out

Re: [Elecraft] Field Day Operation

2023-06-26 Thread Jim Brown
On 6/26/2023 4:08 PM, Wes wrote: You simply have to be nice to the inexperience operators and coach them along. It's far more than that -- far too many stations run high power. We added an SSB station one year from a 5,000 ft peak; it was a complete exercise in frustration. CW is FAR more

Re: [Elecraft] K4 Rx is awesome...

2023-06-26 Thread Jim Brown
On 6/26/2023 2:01 PM, Jan wrote: The K4/at is a delight to operate anytime; this last weekend it was used Thanks to the hundred that I had exchanges with 73, Jan K1ND PS: At 86 years of age it was fun! At W6BX, W6JTI and I, also octogenarians, worked you on at least one band. We were QRP

Re: [Elecraft] K3s Receive EQ

2023-06-26 Thread Jim Brown
On 6/26/2023 12:24 PM, W3AB/GEO wrote: A good product line at a good price. Used his products in the past. Very satisfied. https://w2ihy.com/product-category/equalizers/ Good to know that they're good quality, but I firmly agree with W4TV that they're a great example of a "fool and his

Re: [Elecraft] K3s Receive EQ

2023-06-26 Thread Jim Brown
I strongly agree with Joe. Both of us have broadcast experience, after that, I spent most of my life in pro audio. And I've been a ham for 67 years. Not to be interpreted as set in my ways -- far from it, I was an early adopter of WSJT modes about 10 years ago. My only minor difference with

Re: [Elecraft] K3s Receive EQ

2023-06-26 Thread Jim Brown
On 6/25/2023 11:05 PM, Richard wrote: I love my K3s, warts and all, but I want a way to tailor incoming audio for better readability in special cases. Yes, I know about the built-in function, but that's hardly comfortable for quick, on-the-fly adjustments. There are only 2 possibilities for

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