Re: [Elecraft] New Bands

What about the K3 for RX on 8m? Mine bounces me to 44.000 MHz if I try to enter 40.662 MHz via CAT or front panel. 73 de AI6KG On Thu, Jun 27, 2019 at 3:39 PM Wayne Burdick wrote: > The K4 should work at 40-41 MHz without modification, though I wouldn't > guarantee specs without

Re: [Elecraft] This does not bode well for the chip users of the world

This has been a problem on and off for at least five years. It is somewhat worse now than it has been recently, but it is more of the same. I had to design out the uC on Google Glass Enterprise Edition 2 (EE2) in 2018 the week before we were supposed to gerber out for our proto build. I found

Re: [Elecraft] K4 Radio Update

Linux kernel changes rarely break userspace. Kernel drivers are another matter. Internal kernel apis are always subject to change. 73 de AI6KG On Sun, Dec 6, 2020, 4:30 PM Mark Goldberg wrote: > On Sun, Dec 6, 2020 at 5:14 PM Dave Cole wrote: > > > > Hi Paul, > > > > Not to pick nits, but

Re: [Elecraft] Does the K4 support IPv6?

o type the radios IPv4 address, which the rig > > displays in the menu. It doesn't display the K4's IPv6 address, but my > > Router interface displayed it. > > > > What application do you plan to use that requires IPv6? > > > > 73, > > Bob, N6TV > >

Re: [Elecraft] Does the K4 support IPv6?

K4's IPv6 address, but my > Router interface displayed it. > > What application do you plan to use that requires IPv6? > > 73, > Bob, N6TV > > > On Sun, Sep 27, 2020 at 10:47 PM Christopher Hoover > wrote: > >> No answer? >> >> On Thu, Sep 24, 2020, 5:25 PM

Re: [Elecraft] Does the K4 support IPv6?

No answer? On Thu, Sep 24, 2020, 5:25 PM Christopher Hoover wrote: > > Does the K4 support IPv6? > > 73 de AI6KG > > __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman

[Elecraft] Does the K4 support IPv6?

Does the K4 support IPv6? 73 de AI6KG __ 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 list hosted by: http://www.qsl.net

Re: [Elecraft] K4 and RTTY question

+1 for winkeyer support. 73 de AI6KG On Mon, Jul 20, 2020, 7:03 AM Joe DeVincentis wrote: > Personally, I'd like to see the K4 support something like the TinyFSK > protocol for doing RTTY. > > It could present multiple serial ports. one for CAT, one for FSK and one > for Keying. The FSK

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

The sub rx audio does not get plumbed over USB, AFAIK, like it does for the main rx.. (It would be sweet if it did.)So it would seem that you'd have to digitize it outboard. Also you'd have to make sure the second instance doesn't send any CAT commands. 73 de AI6KG On Mon, Jun 8, 2020

[Elecraft] K3S system producing QRN at ~ 147.49 MHz

I'm seeing QRN with my K3S setup.I have: K3S, P3, KAT500, KPA500, WinKeyer, computer and power supply.If I turn the K3S off, the QRN goes away. I will continue to chase this down, but has anyone else seen this? 73 de AI6KG __

Re: [Elecraft] OT: The Great KPA Fan Mystery

bad engrish there. it "will be" not "should be"73 On Fri, May 1, 2020 at 3:08 PM Christopher Hoover wrote: > I think we're getting far off the topic of Elecraft > > > The operating point for forced air cooling of a system should be the point

Re: [Elecraft] OT: The Great KPA Fan Mystery

I think we're getting far off the topic of Elecraft The operating point for forced air cooling of a system should be the point where the fan curve intercepts the system resistance curve. The fan curve comes from the fan vendor. The system resistance is measured on a flow bench in the lab,

Re: [Elecraft] About my capacitor failure (etc.) issue:

A (and better) diodes being so cheap, would Astron > do > > it this way? I can only think of two reasons: 1) We think having two > > packages bolted to the case will make for better heat dissipation of the > > total heat generated at max current and 2), the ever present, "b

Re: [Elecraft] About my capacitor failure (etc.) issue:

to the case will make for better heat dissipation of the > total heat generated at max current and 2), the ever present, "because > we've always done it this way!" > > Finally, I'll mention that, like my old RS-20A, I found the negative > terminal bonded to the case. I conside

Re: [Elecraft] K3S poor CW

I sure wish that K3S implemented winkeyer protocol internally. I hope this will be true for K4. 73 de Ai6KG On Thu, Apr 23, 2020 at 10:50 AM Frederick Dwight wrote: > About a decade ago I used contest software to key my Ten Tec via a home > brew optical serial port adaptor. It worked > but

Re: [Elecraft] About my capacitor failure (etc.) issue:

opens in my limited experience. On Sun, Apr 19, 2020 at 4:26 PM Adrian wrote: > When you say 'blow' are you saying it short circuits internally or open > circuits internally due to the event ? > > > Adrian Fewster > > On 20/4/20 8:07 am, Christopher Hoover wrot

Re: [Elecraft] About my capacitor failure (etc.) issue:

You might want to replace the bridge rectifier in that new 35A power supply. Yep, right out of the box. At some point, Astron started shipping RS-35A's with a 25A bridge rectifier. They paralleled two out of four of the 25A diodes twice over to make, supposedly, a pair of 50A diodes for

Re: [Elecraft] Here is the real nitty-gritty on how the KAT500 works

Thanks for this! I wrote some code to tell my radio and the KAT500 to walk over the bins and my antennas and essentially "push" autotune. It worked OK but not great and I think I see why now. This is a simple scheme and simple is good.. I'm not sure how much flash or EEPROM is available [1].

Re: [Elecraft] Elecraft / IC-7610 comparison

On Mon, May 20, 2019, 5:39 PM Wayne Burdick wrote: > > * External monitor output -- HDMI, not DVI. (To each his own?) > Unless you are running audio over the link or using HDCP (surely not) what's the difference other than connectors for the K4? None? Often non-AV products use DVI or

[Elecraft] SP3 vs SP4 speakers

What's different between the SP3 and the SP4 besides the silkscreen ? __ 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 list

Re: [Elecraft] FLDIGI with K3s

Use PKTUSB with fldigi digital modes. This is covered in the fldigi docs. 73 de AI6KG On Tue, Apr 2, 2019 at 1:47 PM Gmail wrote: > It appears FLDIGI MAC uses USB for RTTY not the standard LSB. Use data A > for RTTY. If AFSK is used FlDIGI needs to be in REV mode. > If FLDIGI is not

Re: [Elecraft] KPA-1500 failed!

Argh. Wish I had known that an option! On Sat, Feb 16, 2019, 12:56 PM John Stengrevics Who uses PL-259s? They suck. I ordered my K3S with Ns and really should > have specified DINs. But, that is a retrofit project for another day. > > John > WA1EAZ > > > On Feb 16, 2019, at 2:47 PM, Jim

Re: [Elecraft] Query for new DSP features

On Fri, Jan 11, 2019 at 8:50 PM Walter Underwood wrote: > It would be really great if the AF gain was automatically to keep the > audio roughly level when NR is engaged. This drives me nuts, always riding > the gain back and forth. I’m sure the gain adjustment would be different > for different

Re: [Elecraft] KPA-1500 issues

> > I wish Elecraft would give serial data frequency priority over RF detected > frequency until a difference threshold is exceed. +1 73 de AI6KG On Thu, Nov 29, 2018 at 2:43 PM ANDY DURBIN wrote: > > "In addition the tuner may not always be in the segment you think it is. > This is due to

Re: [Elecraft] Elecraft Talk At Pacificon -- 9 AM Saturday: "Honey I Shrunk the Linear.."

Hi Eric, Is the presentation available online? (I was at Pacificon, but my waking hours were used to help run the special event station.) 73 de AI6KG On Thu, Oct 18, 2018, 6:51 PM Eric Swartz - WA6HHQ, Elecraft < e...@elecraft.com> wrote: > I will also be giving a talk at Pacificon on this

Re: [Elecraft] Noise Cancelling Microphones (was Re: Noise cancelling headphones)

Automatic noise cancelling microphone *systems* for consumer devices typically involve 3 carefully placed DMIC's (digital microphones) and a lot of DSP.73 de AI6KG On Sun, Aug 5, 2018 at 2:09 PM, Jim Brown wrote: > On 8/5/2018 10:48 AM, ANDY DURBIN wrote: > >> Many/most aviation headsets

Re: [Elecraft] Catalina island with KX2: spoiled by super-low noise floor

I did much the same with my KX2 on Santa Cruz Island (part of Channel Islands, 20 miles off the coast of Ventura) two weeks ago. Definitely recommended. 73 de AI6KG On Sat, Jul 28, 2018 at 10:21 AM, Wayne Burdick wrote: > Last week my family and I went to Avalon, Catalina Island, off the

Re: [Elecraft] new K3S display issue

It is likely a shorted C102. Please see: http://elecraft.365791.n2.nabble.com/K3S-LCD-backlight-is-on-but-no-segments-are-lit-td7633025.html I humbly suggest an ECO to change that to a 16V cap. 73 de AI6KG -- Christopher. On Sat, Apr 14, 2018 at 4:29 AM, Jim Spears wrote: >

Re: [Elecraft] New KPA1500 feature: ATU TUNE integration with K3 and K3S transceivers

> I would really like this feature for my KPA500 too! Ditto (KPA500+KAT500)! 73 de AI6KG On Fri, Mar 9, 2018 at 7:01 AM, K8TE wrote: > Even though I am impatiently awaiting my KPA1500, I would really like this > feature for my KPA500 too! > > 73, Bill, K8TE > > > > -- >

Re: [Elecraft] KPA1500 and FT8

Wow. That's crazy power for FT8. I'm glad I'm not in Ohio. On Sat, Mar 3, 2018 at 6:40 AM, Carl Yaffey wrote: > Tried full power on 20M FT8 this morning in order to work weak Russian. > Temp gets as high as 75C. Loud fan kicks in. Hope this is normal. > > Carl Yaffey K8NU

Re: [Elecraft] Small set up for KX2 digi

p.s. "It" being WSJT-X. On Mon, Dec 11, 2017 at 9:35 AM, Christopher Hoover <c...@murgatroid.com> wrote: > I believe all the WSJT software needs Windows and X86 instruction set > > > Negative. It not only runs on other OSs, inlcuding Linux and MacOS, it > also

Re: [Elecraft] Small set up for KX2 digi

> > I believe all the WSJT software needs Windows and X86 instruction set Negative. It not only runs on other OSs, inlcuding Linux and MacOS, it also runs on other ISAs such as ARM. 73 de AI6KG On Sun, Dec 10, 2017 at 12:06 PM, Brian Hunt wrote: > I believe all the

Re: [Elecraft] K3 and WSJT-X Split operation.

I second Carl's explanation. I run WSJT-X on my K3s in rig split mode exclusively. It works transparently and flawlessly. On Mon, Dec 4, 2017 at 5:02 PM, Carl Clawson wrote: > Hi Dany. This scared me a little bit too until I figured out what it was > for. > > This is

Re: [Elecraft] CW Contest and Elecraft K3s decoder

> > Perhaps my K3 has a problem, but I've never been able to get the CW > decoder to work very well. Never had a ton of luck with it either on my K3S. Perhaps it is operator error on my par if others can make it go. 73 de AI6KG On Sun, Nov 26, 2017 at 6:28 PM, K9MA

Re: [Elecraft] WSJT-X K3/K3s hanging as Tx

> > > The roofing filter may have a fair amount of group delay inequality at > the edges of the passband, which can lead to inter-symbol interference > on digital modes. I WSJT-X can run split. In split mode, it will adjust the Tx frequency so that the audio tones are always near the middle of

Re: [Elecraft] Elecraft AX1 antenna prototype & Pacificon antenna symposium

W1AW/6 the special event station for Pacificon is on 7230 and 3865 at the moment. 73 de AI6KG On Oct 19, 2017 7:47 PM, "Bill Johnson" wrote: > Wayne, please record and post the symposium, if you, can as I am intensely > interested, but cannot intend to do logistics. > > > 73, >

Re: [Elecraft] KX3: slow build to full power on 15 meters only

Don's procedure in his doc works great. But there is a gotcha that I don't recall being covered. The ALC meter algorithim "beats" with certain tuning tones and when that happens, it makes the ALC meter ramp up and down in a fast oscillation. This has been discussed on this list relatively

Re: [Elecraft] 630M Antenna

> > But most hams have too little acreage for anything even close to 1/4 WL > (521-foot). The height restriction is 60 m (~197 ft). 73 de AI6KG On Wed, Sep 20, 2017 at 9:19 AM, Edward R Cole wrote: > N6LF is also WD2XSH/20 whose 630m CW signal I copied up here. Rudy

Re: [Elecraft] Specs KIO3-B internal sound card

The circuit is based on PCM2901 <> On Tue, Sep 19, 2017 at 2:05 PM, Udo Langenohl - DK5YA wrote: > Gentleman, > > I'm looking for specs of the internal sound device which is part of the > KIO3B board but couldn't find any on the Elecraft web

Re: [Elecraft] KX2/KX3 built-in speakers

On Fri, Sep 8, 2017 at 5:01 PM, Jim Brown <j...@audiosystemsgroup.com> wrote: > On 9/8/2017 3:00 PM, Christopher Hoover wrote: > >> I find the KX2 audio level to be borderline in most field situations. >> > > It depends a lot on what sort of &qu

Re: [Elecraft] KX2/KX3 built-in speakers

> > The KX2's speaker is just fine. PLENTY loud enough and quite intelligible. I find the KX2 audio level to be borderline in most field situations. Inside on a desk, sure; it'll do. I almost always use headphones in the field. On Fri, Sep 8, 2017 at 5:04 AM, Tommy

Re: [Elecraft] Items you think you can depend on

.) Very few of the low value caps (which are all are probably MLCCs) have a voltage specified on the drawings. I probably missed something as It is hard to do schematic review with PDFs, but we're lucky to have those. Thank you, Elecraft! -ch On Mon, Sep 4, 2017 at 5:12 PM, Christoph

Re: [Elecraft] Items you think you can depend on

> > I can answer that one. It is in the equipment manuals. 15V max. > Some components are rated at that level. I hope you are saying that the derating for the components was based on a 15V max input.If there are 15V rated parts on the input rail, that's not good. 73 de AI6KG On Mon, Sep

Re: [Elecraft] K1 Discontinued

i prefer smt to through hole for hand soldering. through hole is a total pain. i generally do not use any hot air; just a fine tip metcal iron, a *lot* of flux and sometimes a toothpick.0603 RCLs are a piece of cake. 0402 RCLs take some care but are totally doable.73 de AI6KG On

Re: [Elecraft] K2 Display OTS - Request Advice . . . . .

I have to wonder if you haven't run into the problem I had with my K3S about four weeks ago. Same symptoms. The cause was a shorted filter cap for the LCD bias on the display board. Details are in the mailing list archives. 73 de AI6KG On Wed, Aug 16, 2017 at 4:07 PM, Dauer, Edward

Re: [Elecraft] K3S: LCD backlight is on, but no segments are lit

. On Thu, Aug 3, 2017 at 10:06 AM, Christopher Hoover <c...@murgatroid.com> wrote: > Gary AB7MY from Elecraft suggested that it was likely a shorted C102. > Indeed it was. Thanks, Gary! 73 de AI6KG > > > On Wed, Aug 2, 2017 at 10:22 PM, Christopher Hoover <c...@murgatroid.co

Re: [Elecraft] K3S: LCD backlight is on, but no segments are lit

Gary AB7MY from Elecraft suggested that it was likely a shorted C102. Indeed it was. Thanks, Gary! 73 de AI6KG On Wed, Aug 2, 2017 at 10:22 PM, Christopher Hoover <c...@murgatroid.com> wrote: > Hi Eric, > > Thanks for the response. > > As I mentioned in my posit

Re: [Elecraft] K3S: LCD backlight is on, but no segments are lit

, at 7:06 PM, Wes Stewart <wes_n...@triconet.org> wrote: > > > > You're an hour away from Elecraft. Your options: > > > > 1) Drive it down and tell them you'll wait. > > > > 2) Drive it down and ask for a loaner. > > > > 3) Come by my house in Tucson an

[Elecraft] K3S: LCD backlight is on, but no segments are lit

I went to bed last night leaving the radio on to decode 6m meteor scatter. This morning I found the LCD blank. The backlight is on, but there are no segments lit. Power cycle does not change anything. All the settings seem reasonable: MN002; MP;MP007; MN003; MP;MP005; MN004; MP;MP003;

Re: [Elecraft] New Digital Mode and K3S Frequency Accuracy

On Sat, Jul 15, 2017 at 4:05 PM, Bob McGraw K4TAX wrote: > it decodes about 20 dB deeper than previous versions. > That's not right. FT8 can decode down to -20 dB (AWGN channel). JT65 can decode arbitrary messages down to -24 dB (and certain messages down to -32 dB).

Re: [Elecraft] K3S Shift Setting for WSJTX

I use fake it mode for split on my K3S, data mode, 4.00 on bandwidth, 1.5 for shift.Works great. The rig control for WSJT-X split is not reliable for me.I build from tip of tree from the repo with either hamlib-3.1 or hamlib git, so it is certainly possible I am seeing a regression that

Re: [Elecraft] K3S USB audio output needs to be adjustable in Menu

USB audio with the default settings has been fine for me from the first day. Check your settings? On Thu, Jun 22, 2017 at 10:31 AM, Dick via Elecraft < elecraft@mailman.qth.net> wrote: > Hello Elecraft, > > When feeding the audio from the K3S USB port to the CPU, the K3S audio > level is

Re: [Elecraft] A VALUABLE FIELD DAY ACCESSORY

I just ordered the Amp800's smaller cousin, Behringer Microamp Ha400 Ultra-Compact 4-Channel Stereo Headphone Amplifier , for exactly this purpose. On Wed, Jun 21, 2017 at 4:55 AM, KENT TRIMBLE

Re: [Elecraft] MH3 rattle?

RMA? On Sun, Jun 11, 2017 at 4:39 PM, Brad J. Butler via Elecraft < elecraft@mailman.qth.net> wrote: > Good morning everyone, > > > > I've got a new MH3 that hasn't ever been dropped. When I *gently* shake > it, > I hear something rattling around in it.like a spring of some sort. Is that >

Re: [Elecraft] Taking KX3 on Airlines -Any issues/hassles with TSA/etc here days - with Bio-Engg 12V 7Ah Lithium Battery as Carry On Luggage

Refer to this for US carriers: https://www.faa.gov/about/office_org/headquarters_offices/ash/ash_programs/hazmat/passenger_info/media/Airline_passengers_and_batteries.pdf tl;dr: Li+ packs need to be 100 WHr or less. Larger is up to the airline. Li+ batteries *in* equipment is fine for carry

Re: [Elecraft] Sub Receiver & KBPF3

> > The TMP cables were in the way and sub-receiver box was a bit difficult > getting the SUBIN and SUBOUT boards to align and mate properly. I installed mine myself too.(And I just r/r recently with the addition of the gen coverage bp filters on the main board.) It is certainly fiddly.

Re: [Elecraft] KX2 Weighted Knob

> > Our goal for the KX2 was to make it really lightweight. Light enough to > be used as an HT. Is it really practical as an HT? Some will use it that way for sure, but it is already quite heavy without an antenna. I really like my KX2, but, with respect, I'm unconvinced the HT use case is

Re: [Elecraft] Future KX3/KX2 accessories?

I want an Android app for KX2. I may write it myself, if Elecraft doesn't.(I know there's a KX3 app, but it is buggy when run against the KX2). 73, -ch AI6KG On Wed, Mar 29, 2017 at 6:35 PM, Wayne Burdick wrote: > Hi all, > > The weather's been great in the Bay Area

Re: [Elecraft] Future KX3/KX2 accessories?

I would like an adapter for the KX2 that breaks out the microphone and PTT switch on the mic input TRRS into 3.5mm mic and 3.5mm PTT. All of TRRS splitters (mostly designed or CITA mic/phone sets) aren't helpful given the KX2 mic input pinning. Idea is simple: microphone across tip and shield,

Re: [Elecraft] WSPR2.0 at 277.2KHz

NR is not typically used on digital modes. I don't think you can even turn it on in DATA mode. 73 de AI6KG, Christopher. On Mon, Mar 20, 2017 at 9:49 PM, wa9fvp wrote: > Good Whisper reception on my K3S at 474.2KHz. The NB and NR helps a lot. > My QTH is EN-61 > >

Re: [Elecraft] Linear thoughts

+1. Wish I never had to touch the buttons or look at the displays on my KPA500 or KAT500 ever. On Sun, Mar 19, 2017 at 1:49 AM, Erik Basilier wrote: > Now I have the KPA500 and KAT500 actually up and running for the first > time. > I am very happy with my purchase, and

Re: [Elecraft] K3S 10MHz GPSDO Frequency & Time?

There are a couple different things to consider here: - syntonization and synchronization of the oscillator for the TX/RX synth - syntonization and synchronization of the oscillator driving the real time clock (i.e. counter) - setting of the real time clock My understanding is that the