Re: [Elecraft] OT: W9WDX Racing in the Air at Pennzoil 400

[Tim Tucker]

If interested, here's a short video I made of the event, which also
showcases the KX3 and KXPA100

https://youtu.be/s_7H2Z6rpQE?si=xZ1XnbDaUnXMXS0L

On Fri, Mar 1, 2024, 12:17 PM Tim Tucker  wrote:

> Sorry, 14.260
>
> On Fri, Mar 1, 2024, 10:25 AM Tim Tucker  wrote:
>
>> Hi all,
>>
>> I'm activating the Pennzoil 400 at Las Vegas Motor Speedway usingrhe
>> Elecraft KX3 and KXPA100.  I'll mostly be around 14.6mhz for a few hours
>> during the day all weekend if you'd like to make the contact.
>>
>> Tim
>> AE6LX
>> W9WDX Amateur Radio Club
>>
>
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Re: [Elecraft] OT: W9WDX Racing in the Air at Pennzoil 400

[Tim Tucker]

Sorry, 14.260

On Fri, Mar 1, 2024, 10:25 AM Tim Tucker  wrote:

> Hi all,
>
> I'm activating the Pennzoil 400 at Las Vegas Motor Speedway usingrhe
> Elecraft KX3 and KXPA100.  I'll mostly be around 14.6mhz for a few hours
> during the day all weekend if you'd like to make the contact.
>
> Tim
> AE6LX
> W9WDX Amateur Radio Club
>
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[Elecraft] OT: W9WDX Racing in the Air at Pennzoil 400

[Tim Tucker]

Hi all,

I'm activating the Pennzoil 400 at Las Vegas Motor Speedway usingrhe
Elecraft KX3 and KXPA100.  I'll mostly be around 14.6mhz for a few hours
during the day all weekend if you'd like to make the contact.

Tim
AE6LX
W9WDX Amateur Radio Club
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Re: [Elecraft] KX-3/2M transverter

[Tim Tucker]

Assuming you're using the Elecraft mic with the up/down buttons - turn the
buttons off in the radio settings.  There is a known and reported bug in
both the KX3 and KX2 that has never been fixed that causes this problem.

Tim

On Mon, Feb 26, 2024 at 1:40 PM  wrote:

> I have heard of that happening on HF in transmit-perhaps RF getting
> back into the mic when the antenna is rather close to the rig? I don't
> xmit on 2m with mine, I only use it for satellite listening.
> 72
> Howard Kraus, K2UD
>
> -From: "Steve McKee"
> To: elecraft@mailman.qth.net
> Cc:
> Sent: Monday February 26 2024 11:29:44AM
> Subject: [Elecraft] KX-3/2M transverter
>
>  Hi all, I've got the 2M transverter installed and it works great. I
> have a
>  35W amp inline so I use it a lot on 2M locally.
>  But the issue I'm having is it randomly shifts 5khz on me. Seem to do
> it
>  when I put the mic down, so bought a new one. It didn't help still
> have the
>  problem.
>  I haven't noticed if it does it on the HF side as I haven't spent a
> lot of
>  time on it.
>  Anyone have this experience??!
>
>  Steve//KE0RSI
>
>  null
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Re: [Elecraft] K4 missing features, was OT: The 4-track mind

[Tim Tucker]

I got tired of waiting for special subtraction NR and decided to do
something about the lousy K4 NR on SSB. I bought the BHI Dual Inline NR
module and the results are impressive. I will publish a video soon. Anyone
who says that better NR won't help you make more weak signal contacts,
especially if you're in the big city, doesn't know what they are talking
about on this subject. That plus the decreased fatigue factor...

The last thing we heard from Wayne about missing features was that the
Remote Software would be released as Beta in Q1 2024. Every other ask about
other features has been met with radio silence for months. Expect more of
the same at this point.

Tim

On Sun, Dec 10, 2023, 11:34 AM George Danner  wrote:

> 4. Transmit Monitor
>
> 73 George AI4VZ
>
> On Sun, Dec 10, 2023 at 11:29 AM Dave  wrote:
>
> > Wayne, if you can return to a single track mind for a moment, any update
> on
> > when the K4 missing features will be finished?
> >
> > In no particular order:
> > 1. General coverage, the button still does nothing.
> > 2. Pre-distortion
> > 3. Remote operation via Ethernet
> >
> > In addition, with the K3 there was an update to the firmware which
> allowed
> > VOX to be turned off when the radio was turned off/on. I keep forgetting
> > and accidentally catching my paddles on my K4...
> >
> > Now that higher data rates have been approved for the USA, any chance of
> > fixing the issue where the K4 struggles with Pactor (dropping PTT results
> > in truncated data transmissions due to TX to RX timing issue), The fix is
> > to add a 20 mS PTT hold on delay and consider speeding up the throughput
> to
> > reduce latency too. The same issue with the K3 was fixed in a week of
> being
> > reported.
> >
> > 73 Dave
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Re: [Elecraft] KX3 2M amp

[Tim Tucker]

Yes, of course. Works fine.

On Sun, Dec 3, 2023, 8:37 AM Steve McKee  wrote:

> Hello,
> I’ve have the 2 meter module in my KX3, and am wondering if I can hook a
> small VHF amplifier to it, to increase power output??
> I’m planning on purchasing the KXPA 100 for the HF side….
> Course these are both for in home use, not in the field…QRP in the field…
>
> Thank You, 73’s
>
>
> null
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[Elecraft] Modifying the AX2

[Tim Tucker]

For those of you who have successfully modified the AX2 for a higher band,
do you have any tips for disassembly of the coil?  Desoldering the top
looks like it is easily accessible, but I can't quite tell how to get at
the bottom of the coil to desolder it for removal. Is there a simple trick
I'm overlooking?

Tim

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Re: [Elecraft] KPA1500 Tx sample

[Tim Tucker]

Ah...so this means us Elecraft users are waiting on this feature to be
implemented in the K4...got it, thanks!

Tim

On Sun, Feb 19, 2023, 3:56 AM David Decoons  wrote:

> The sample output on the amp is already enabled. You just need a radio
> that supports adaptive predistortion.
>
> Dave wo2x
>
> Sent from my iPad
>
> > On Feb 19, 2023, at 1:19 AM, Tim Tucker  wrote:
> >
> > Is there an ETA on when the TX Sample output on the KPA1500 will be
> enabled
> > for Pure Signal?
> >
> > Thx,
> > AE6LX
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[Elecraft] KPA1500 Tx sample

[Tim Tucker]

Is there an ETA on when the TX Sample output on the KPA1500 will be enabled
for Pure Signal?

Thx,
AE6LX
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Re: [Elecraft] New Bands

[Tim Tucker]

How about the KX3?  I tried to dial it up there and it bounced to 44.000.

Tim

On Wed, Jan 25, 2023 at 12:14 PM Wayne Burdick  wrote:

> The K3, being a superhet that involves mixers, uses very narrow-band
> transmit band-pass filtering that doesn't allow operation midway between 10
> and 6 meters. So it is excluded in firmware.
>
> That said, the K3 provides very versatile support for external
> transverters.
>
> 73,
> Wayne
> N6KR
>
>
> > On Jan 25, 2023, at 11:22 AM, Christopher Hoover 
> wrote:
> >
> > 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 performance testing.
> >
> > 73,
> > Wayne
> > N6KR
> >
> >
> >
> > > On Jun 27, 2019, at 2:52 PM, Ed K1EP  wrote:
> > >
> > > Maybe for RX. For TX, you have to consider spurs, harmonics, filters
> and
> > > other technicalities. So, it is not trivial.
> > >
> > > On Thu, Jun 27, 2019, 17:36 Dennis Moore  wrote:
> > >
> > >> SDR, should just be a modification to the firmware.
> > >>
> > >> Dennis NJ6G
> > >>
> > >> On 6/27/2019 13:44, David Gilbert wrote:
> > >>> A friend just advised me of a new FCC Petition for Rule Making that
> > >>> requests the creation of a new amateur band for 8m somewhere between
> > >>> 40 and 41 MHz.
> > >>>
> > >>> https://ecfsapi.fcc.gov/file/105260090923685/8%20meter%20PRM.pdf
> > >>>
> > >>> I doubt it gets any traction, but it makes me curious if any mods
> > >>> (software or hardware) would be practical to allow the K3 or K3s or
> K4
> > >>> to cover that range.  I suspect the upper low pass band filter would
> > >>> preclude that possibility.
> > >>>
> > >>> 73,
> > >>> Dave  AB7E
> >
> >
> >
> >
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Re: [Elecraft] KPA1500 and K2

[Tim Tucker]

Is your K2 one with a PA Key out?  If so, just an RCA cable and a coax
jumper.

Tim

On Wed, Jan 11, 2023 at 4:03 PM Karin Johnson 
wrote:

> Hello Group:
>
> Can I use a Elecraft KPA1500 with a Elecraft K2???
>
> What accessory cable will I require
>
>
>
> Karin Anne Johnson  K3UU
>
> Palm Harbor, Florida
>
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Re: [Elecraft] KPA1500 RELIABILITY

[Tim Tucker]

Mine has worked flawlessly for the year or so that I've had it.  I've
pushed it pretty hard and for pretty long durations with some digital
modes, as well.  So far, so good.

Tim

On Mon, Oct 31, 2022 at 3:18 PM Frank Scolaro 
wrote:

> Of the 5 people I know with the KPA1500, 3 of them have made a return trip
> for LDMOS failure.  Also had my RF-Kit blow up twice.  Will have to fix my
> old Henry 3k!
>
> Frank W2YK
>
> -Original Message-
> From: Wes 
> Sent: Oct 31, 2022 6:02 PM
> To: 
> Subject: Re: [Elecraft] KPA1500 RELIABILITY
>
> In my modest station (120V 20A)  I run a KPA500, which has been fine, if
> noisy.
>
> If I was to QRO I think I would opt for tubes.  Less expensive, more
> reliable, better linearity and quieter.
>
> Wes  N7WS
>
> ps.  Thanks for the J68HQ Qs
>
>
>
> On 10/31/2022 1:40 PM, Dr. William J. Schmidt wrote:
> > --- Thinking of going back to tube amps because they are much more
> > forgiving!
> >
> >
> > Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ
> PJ2/K9HZ
> > VP2EHZ
> >
>
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Re: [Elecraft] KXPA100 70 to 80w out Max with KX3 drive at 15W???

[Tim Tucker]

Assuming the Power Supply is sufficient, the next thing you should do is
the KX3 + KXPA100 Power calibration. I did this for a fellow ham and it
solved a similar situation:
https://ftp.elecraft.com/KX3/Mod%20Notes%20Alerts/KXPA100+KX3%20Power%20Cal%20rev%20A.pdf

Tim

On Wed, Oct 26, 2022 at 9:10 AM Greg Troxel  wrote:

> [reposted because the list blocked an OpenPGP/MIME signature]
>
> Kyle Krieg  writes:
>
> > In more troubleshooting, I'm finding that when I switch my KX3 to PA mode
> > ON, the KX3 is only putting out around 2 to 3 watts output to the
> KXPA100.
> >
> > But then when I swtich the PA mode to off and change the power button to
> 5
> > to 15W output, the correct amount of RF is output from the KX3.
> >
> > Is there a setting to boost the power when PA mode is on?
>
> There is a feedback loop on output power, and I would expect drive to be
> adjusted for that.  It seems like the KXPA100 is perceiving that output
> power is higher than it is.  Either that or your power meter is off the
> other way.
>
> What happens if you command the output power to 20W, 50W, 75W when using
> the KXPA100?
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Re: [Elecraft] KPA1500 ATU question

[Tim Tucker]

The easiest way is to set the defaults per band in the KPA1500 Utility.

Tim

On Tue, Sep 13, 2022 at 10:11 AM Jorge Diez - CX6VM 
wrote:

> hello
>
> How can I use the KPA1500 to remember what bands need ATU IN and what bands
> need ATU BYP?
>
> I have ATU IN on HF bands, but when I change to 6 mts I need that KPA1500
> change to ATU BYP
>
> Is this possible?
>
> thanks!
> --
> 73,
> Jorge
> CX6VM/CW5W
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Re: [Elecraft] External Preamp & RX ANT IN/OUT

[Tim Tucker]

I do this with the MFJ 1026 in between the RX IN/OUT.  I can use the 1026
preamp by itself with the RX ANT gain turned to zero or I can put the RX
antenna in line for dual VFO/Band RX or use as a diversity RX setup. There
is another thread about the effectiveness of diversity RX - I was playing
around with this setup last nite on 20m (propagation was pretty good) and
was hearing stations from HI to the East coast on the 80m RX loop almost as
good as the inverted V and some were better.   Plus, this setup gives me
the option to null out unwanted interference and on lower bands (40m seems
most effective) reduce QSB.

Tim

On Wed, Aug 31, 2022 at 9:52 PM Jim Brown  wrote:

> On 8/31/2022 5:33 AM, John Stengrevics wrote:
> > I was told that a preamp can be connected across the RX ANT IN/OUT jacks
> and that certain settings are then changed to make this work.
>
> Connect Ant Out to Preamp Input, Preamp Out to RX In.  Tap RX Ant to
> toggle between the Ant direct and the Preamp.
>
> 73, Jim K9YC
>
>
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Re: [Elecraft] USB sound recommendations for KX3 I/Q

[Tim Tucker]

Both of the solutions proposed show audio out specs of 192khz, but mic-in
specs of only 48khz.

Tim

On Thu, Jul 7, 2022 at 6:16 AM Gerry Hull  wrote:

>
> https://www.amazon.com/Cubilux-Headphone-Converter-External-Compatible/dp/B08L9C7233/ref=sr_1_5?crid=2NTEYK41W90KM=192khz+usb+sound+card=1657199725=192+Khz+usb+%2Caps%2C75=8-5
> $11, size of a USB plug, 192KHz support.
>
> 73,
>
> Gerry Hull, *W1VE  *Hancock, NH USA
> CWOps #191 | YCCC | CanAm Contest Coalition | Maritime Contest Club
> RadioSport Manitoba | ARRL | RAC | QCWA
> ARCluster dxc.w1ve.com | Telnet or telnet:7373 access | RBN direct feeds
>
>
>
> On Fri, Jul 1, 2022 at 12:26 PM Tim Tucker  wrote:
>
>> Does anyone have a recommendation for a portable-sized USB sound card
>> adapter to use with the KX3 I/Q?  I had an older Diamond with 192 khz
>> input
>> that I gave with the sale of K3, but I can't seem to locate any new
>> devices
>> with 192 khz bandwidth that are also suitable for portable use - like with
>> a Raspberry Pi 400.  Any ideas?
>>
>> Thanks!
>> Tim
>> --
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[Elecraft] USB sound recommendations for KX3 I/Q

[Tim Tucker]

Does anyone have a recommendation for a portable-sized USB sound card
adapter to use with the KX3 I/Q?  I had an older Diamond with 192 khz input
that I gave with the sale of K3, but I can't seem to locate any new devices
with 192 khz bandwidth that are also suitable for portable use - like with
a Raspberry Pi 400.  Any ideas?

Thanks!
Tim
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Re: [Elecraft] KX3 and Heatsink

[Tim Tucker]

Several years ago, I published a short article and accompanying video
comparing the original KX3 heat sink to the CoolerKX model including a
basic report on cooling performance. This one has since been discontinued,
but is similar in design to the PAE KX32 model.  I never obtained the
updated Elecraft version, but I would be very (pleasantly) surprised if it
could match the performance of a well designed heat sink such as these.

https://www.worldwidedx.com/threads/cooler-kx-plus-heatsink-for-elecraft-kx3-installation-video.179532/

Tim



On Mon, Jun 13, 2022 at 8:21 PM Jim Brown  wrote:

> On 6/13/2022 7:36 PM, Eric Norris wrote:
> > How difficult is it to install the later factory heatsink on an early
> KX3?
>
> Very easy.
>
> 73, Jim K9YC
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Re: [Elecraft] New K4 Beta Software Available (Release 30/Beta 2)

[Tim Tucker]

Lol, yep. That's why code coverage is a necessary metric in unit testing.

On Wed, Jun 1, 2022, 9:42 PM Walter Underwood  wrote:

> > On Jun 1, 2022, at 7:30 PM, Wayne Burdick  wrote:
> >
> > "There's always another bug," to quote an anonymous sage, but
> please...go for it. We'd love to get hundreds of K4s going on this new
> release, and hopefully promote it to full production status next week.
>
> Q: What does it mean when the Python test suite passes?
> A: It means the test suite is incomplete.
>
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
>
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Re: [Elecraft] Have a K-2 SN 01049

[Tim Tucker]

Thanks Don.  He says that you're the one that built it for him and has been
back to you a couple of times (for what, I'm not sure). I'll ask him for
the serial number; it's the K2/100 with DSP and SSB, as well as the KAT100
to go with it.

Tim

On Tue, May 31, 2022 at 2:46 PM Don Wilhelm  wrote:

> Tim,
>
> There are several variations of a K2, so the fair price depends on the
> state of the upgrades (as well as the options installed).  If it is
> above SN3000 and if the KPA100 has been upgraded, it should bring a fair
> price.
> He should state which upgrades and options have been installed.
> If it is below SN3000, and has not been upgraded, it will have a low
> price, but if above 3000 with all upgrades he should get a good price.
> There is a good list of upgrades in the K2AtoB instructions for the base
> K2 (except for the upgraded IF Crystals).
>
> I have a K2 SN 00020 that has been FULLY upgraded, and it performs just
> like a new one.
> Serial numbers above 6400 have all updates included already, but the one
> Chris asked about is SN 1049 and may need a lot of options.  When I was
> working on the K2 a full set of options was price at about $500 and
> likely is higher now.
>
> 73,
> Don W3FPR
>
> On 5/31/2022 5:14 PM, Tim Tucker wrote:
> > Once you figure it out and if you do sell, please let us know what you
> get
> > for it. A local here has a loaded K2/100 that he's been trying to sell
> for
> > a while but has only received what he perceives as low offers.  I'm
> > interested to find out where the market for these is at.
> >
> > Tim
> > AE6LX
> >
> > On Tue, May 31, 2022 at 1:55 PM George Paul Linehan III via Elecraft <
> > elecraft@mailman.qth.net> wrote:
> >
> >> Considering selling but need to figure out what is installed, as I
> haven’t
> >> used the rig much after purchase. Elecraft is missing a block of
> records.
> >> They suggest opening up & taking pics. Any others thoughts appreciated.
> >> It’s the QRP version with a tuner. Thanks. Paul WA6YCA
> >> __
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> >
> >
>
>

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Re: [Elecraft] Have a K-2 SN 01049

[Tim Tucker]

Once you figure it out and if you do sell, please let us know what you get
for it. A local here has a loaded K2/100 that he's been trying to sell for
a while but has only received what he perceives as low offers.  I'm
interested to find out where the market for these is at.

Tim
AE6LX

On Tue, May 31, 2022 at 1:55 PM George Paul Linehan III via Elecraft <
elecraft@mailman.qth.net> wrote:

> Considering selling but need to figure out what is installed, as I haven’t
> used the rig much after purchase. Elecraft is missing a block of records.
> They suggest opening up & taking pics. Any others thoughts appreciated.
> It’s the QRP version with a tuner. Thanks. Paul WA6YCA
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[Elecraft] K4 Notch AM doesn't work?

[Tim Tucker]

I just got the K4D up and running.  This morning I tuned to the local AM
broadcast station I listen to, which often has an annoying tone right on
frequency (The K3S heard it, too).  With the K3, I would just manually
notch it out.  With the K4, I turn on manual notch, spin the notch
frequency dial, but nothing happens.  From memory, the interfering tone is
around 2Hz, but I can't seem to make it work on AM.  Is this a feature that
isn't quite working on AM as expected yet?

Thanks,
Tim

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[Elecraft] Kx2 or kx3 with ax1 and digirig ft8

[Tim Tucker]

Has anyone successfully used this combo? I bought the digirig to cut down
on cable mess when travelling. I can RX fine but on TX can't seem to get
output audio set to where it drives the rig properly without what seems to
be excessive RFI, even with the power level set low. The apparent RFI
causes garbled tx...i can hear it by pulling the speaker cable and
monitoring on the rig.  Any insights would be appreciated.

Tim
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[Elecraft] K2/100 with ATU for sale

[Tim Tucker]

This is a listing for a local ham, W6KLE who is not on this list.  He would
like to sell his K2/100 with DSP and ATU (10-80m).  The rig is pristine and
the asking price is $1400.  Contact me off list for contact info.

Tim
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Re: [Elecraft] D-104 Mic Element Replacement

[Tim Tucker]

In the original post, he stated that he specifically did not want an
electret element, has found the dynamic replacements and is not interested,
but wants a crystal element replacement.  Most of the links offered do not
offer what he is looking for.  So I stand by my original statement with the
following qualifier:  There are probably some old stock or salvage crystal
elements out there somewhere, but good luck finding them.

On Tue, Feb 22, 2022 at 6:03 PM Don Wilhelm  wrote:

> I have used electric elements in the D104 and they worked quite well.
> If you want a dynamic element, I suggest the HC4 or HC5 from Heil
> Sound.  I don't know if Heil is still selling those mic elements
> separately, but they do work well in the D104 (and other mics). Just add
> enough foam padding to keep the element in place and you are done.
> I have a D104 frame with an HC5 element and it works quite well. I also
> have a vintage D104 with the original element with an FET in the base
> that also works well - the FET is powered by the bias voltage from my K3
> or K2.  I know that does not help if the original D104 mic element has
> gone bad.
>
> 73,
> Don W3FPR
>
> On 2/22/2022 8:19 PM, Dr. William J. Schmidt wrote:
> > No replacement available...
> >
> > Well... that's not entirely True.  If you search a little, you can find
> > places all over the internet where you can buy "old stock" or "removed"
> D104
> > elements.  Just depends which one/ kind you want.   IN FACT just a few
> years
> > ago I bought a hand full of "authentic Astatic, old stock" the later
> crystal
> > replacements... brand-new... from one of the big electronic houses like
> > Mouser or Digikey (can't remember which one actually).  I think they
> were in
> > the $28 each...
> >
> > Just search.  Here are a couple that I found in 30 seconds:
> >
> > https://www.theharpmicshop.com/crystal---ceramic-mic-elements.html
> >
> > http://www.kenselectronics.com/lists/micpart.htm#Cartridges
> >
> >
> >
> >
> >
>
>

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Re: [Elecraft] D-104 Mic Element Replacement

[Tim Tucker]

Are you referring to the original non amplified D104?  If so, there is no
replacement available.  There is a lengthy thread about a proposed
(dormant) project to recreate the element here:
https://www.worldwidedx.com/threads/d-104.241890/

Tim

On Tue, Feb 22, 2022 at 11:22 AM Wilson Lamb via Elecraft <
elecraft@mailman.qth.net> wrote:

>
> OK, discriminating operators, does anyone know of a good replacement D-104
> element.
> Yes, I have been on the web and see dynamic and electret replacements.  My
> uses don't involve electret empowered radios.
> I also see statements that all the ceramic replacements have been sold,
> but I hold out hope.
> Does anyone know of a good ceramic element?
> Does anyone know if the dynamic/transformer replacement is near the same
> sensitivity as the original crystal?
> I have three D-104, one of which was my dad's, from the 540s.  It's lost
> its midrange.
> Thanks,
> Wilson
> W4BOH
>
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Re: [Elecraft] D-104 Mic Element Replacement

[Tim Tucker]

That element only works on the powered / amplified model.

On Tue, Feb 22, 2022 at 2:35 PM Dean Adinolfi  wrote:

> W2ENY element works great.
>
> https://www.w2eny.com/
>
> Dean, KD3ANX
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[Elecraft] K2/100 with DSP/AutoTuner for sale

[Tim Tucker]

This is a listing for W6KLE, a local ham not on this list.  He would like
to sell his very nice K2/100 that was built by Don Wilhelm.  It is 10m-80m
with the auto tuner, DSP, and all the manuals.  I have used this rig and it
is in perfect working condition.  He's asking $1400.  Contact me off list
for contact details.  He is a motivated seller because he wants to buy my
K3 :)

Tim
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Re: [Elecraft] KPA-1500 Power Supply

[Tim Tucker]

Yes.

On Mon, Jan 3, 2022 at 8:30 AM Larry Boekeloo  wrote:

> Do most of you leave your KPA-1500 Power Supply powered up all the time
> even with the RF Deck off?
>
> Thanks.
>
> Larry, KN8N
> Kalamazoo, Michigan
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Re: [Elecraft] Configuring DXLabs Suite, Win4K3 and K3 for FT8 etc.

[Tim Tucker]

If you're just going to use WSJT-X (or JTDX, which is what I use) for
non-contest / casual operation on the main FT8 frequencies, I don't think
using the split/fake-it option is necessary.  Contesting is a different
thing.  To get started with casual use, just use the TX/RX split option on
the main UI.  I've also had mixed results using JDTX with a serial pairing
emulator (I use Eterlogic, but have tried several) and Win4K3.  It mostly
works fine, but I have noticed that over time the TX/RX timing sequence
starts to become "off"...I've only done light troubleshooting on this so
far, but I know it's not a CPU horsepower problem.  So when I'm doing JTDX,
I usually just use the HRDLogbook host and leave Win4K3 shut down.

My 2C.



On Wed, Nov 10, 2021 at 3:01 PM Bill Frantz  wrote:

> I've been quite happy letting wsjt-x operate in split mode with
> my K3. The only downside I've found is having to manually turn
> split off to make some changes when operating in other modes. I
> hope Jim wil explain his recommendation.
>
> 73 Bill AE6JV
>
> On 11/10/21 at 3:26 PM, j...@audiosystemsgroup.com (Jim Brown) wrote:
>
> >Don't tell WSJT-X to configure your operating mode, do that
> >manually. Set Split to Fake It. All you need rig control to do
> >is set and read TX frequency.
>
> ---
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> 408-348-7900   | steadily worse. Now we have touchscreen keyboards.
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Re: [Elecraft] Notable SSB QSO (HD8R)

[Tim Tucker]

While I own both the KX2 and KX3, when I was trying to work HD8R on 40m
with an Inverted V in the early evening here in SoCal on FT8, there was a
HGE pileup.  In my case, the K3 (upgraded to K3S) with the KPA1500 was
the trick.  It took me an hour and a KW, but I finally got through.   So I
guess the story here is that, depending your circumstances, Elecraft has
the tools to get the job done :)

On Wed, Nov 3, 2021 at 5:42 PM Bill Lederer  wrote:

> By far it is the most fun per watt of any radio that I have ever owned.
>
> I worked HD8R on 15 with 10 watts to a random wire.
>
> w8vln
>
> On Mon, Nov 1, 2021 at 6:08 PM Wayne Burdick  wrote:
>
> > I took advantage of the excellent conditions today to work a little DX
> > with the KX2. I was running 10 watts on 17 meters to a 20 meter vertical.
> >
> > There was HD8M (Galapagos), loud and clear, calling CQ "up 5" on 18.145.
> >
> > When I broke the pileup on the third call, I reflected on how many of the
> > KX2's features came into play to make this happen:
> >
> >   - ATU easily matched my 20 meter vertical on 17 meters (1.0:1)
> >
> >   - internal battery allowed transmit at a full 10 watts
> >
> >   - speech compression made it sound more like 20 or 30 watts :)
> >
> >   - used the KX2's stereo audio/dual-receive function to listen on both
> > 18.145 (RX) and 18.150 (TX) at the same time; transmitting SPLIT
> >
> >   - annoying S8 noise pulses were vanquished by the NB
> >
> >   - carriers from the inconsiderate were dealt with by auto-notch
> >
> >   - used one of the rig's two DVR messages to do the calling
> >
> > That's a lot of fully integrated fun in a radio that weighs less than one
> > pound and draws only about 170 mA in receive mode. And a great excuse to
> > get outdoors.
> >
> > Details on the KX2 can be found here:
> >
> >
> >
> https://elecraft.com/collections/kx-line/products/kx2-ssb-cw-data-80-10-m-transceiver
> >
> > 73,
> > Wayne
> > N6KR
> >
> >
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Re: [Elecraft] K4 video - what display is in use

[Tim Tucker]

 Another example of why having USB-C output on the K4 would be extremely
beneficial. One USB-C cable to the external screen would supply not only
video and power, but could enable touch screen capabilities, allowing the
user to control the rig from the much larger screen if desired.  I'm not
sure if any code changes would even be needed to enable the touch screen
support, since the rig already supports it on its internal screen.

As it stands, you could probably get the touch screen to work using a
USB/USBC adapter, but now you've got 3 cables for that external screen
instead of one.   I really hope Elecraft gets the USB-C upgrade into the
backlog soon.

Tim

On Thu, Aug 19, 2021 at 2:32 PM Dave Van Wallaghen  wrote:

> It is a Niuto 14" TouchPad. I just bought one and it works nicely with the
> K4.
>
> https://www.amazon.com/Portable-Touchscreen-External-Computer-1920X1080/dp/B08RYTSQQQ/ref=mp_s_a_1_4?dchild=1=touchscreen+monitor=1629408617=tou=8-4
>
>
> 73,
> Dave, W8FGU
> On August 19, 2021 17:25:28 Zbigniew Tyrlik  wrote:
>
> > Anyone knows what is the thin display ( I think LCD ) used by Eric in
> the
> > latest K4 YouTube video ?
> > The one sitting on top of K4:
> https://www.youtube.com/watch?v=c2gQbj8eGGI
> >
> > 73, de KU1T
> > _zjt
> > --
> > 
> > Zbigniew J. Tyrlik DoD# 0759   R1200GSA   IBA 31595
> > Free thinker, traveler, poet, happy father and husband
> > point'n'click view of the world   http://www.kleks.org/fotos/
> >
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Re: [Elecraft] Mods required of Elecraft Gear for use on MARS frequencies.

[Tim Tucker]

Contact Elecraft directly and send a copy of your MARS license. I did MARS
for several years and never had a problem getting the mod apps for Elecraft
gear. They even used my feedback on the frequency ranges to ensure that the
radios were usable on the necessary frequencies.

Tim

On Wed, Aug 11, 2021 at 3:36 PM Edward Mccann  wrote:

> Are modifications required for KPA 500 amp (or its big brother)and KAT500
> ant tuner, or P3 to accommodate use on MARS frequencies?
>
> I understand Elecraft will make mods for the K3 or possibly release
> firmware for MARS upon submission of proper documentation.
>
> Thanks
> Ed McCann
> AG6CX
>
> Sent from my iPhone
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Re: [Elecraft] Plug on KPA-1500

[Tim Tucker]

If the ask of the electrician was to change the 110v outlet to 240v, his
response will be - you can't do that.  If the request was to add/pull in a
new 240v circuit, he will be able to do that assuming your existing panel
supports adding the circuit.

Tim

On Thu, Aug 5, 2021 at 9:46 AM Louandzip via Elecraft <
elecraft@mailman.qth.net> wrote:

>  That's a little odd.  Where I've had 220V, I told the electrician the
> volts, amps, and type of outlet I wanted appropriate to that voltage and
> current.  They had nothing to do with and no knowledge of what I would
> plugging into it, which could be many things, like an air conditioner,
> machine (milling machine, lathe, ...) or maybe even a amateur radio
> amplifier.
>
> Lou W7HV
>
> On Thursday, August 5, 2021, 9:49:54 AM MDT, David F. Reed <
> w5sv.d...@gmail.com> wrote:
>
>  I am in a bit of a situation here… in trying to get a 240 V circuit wired
> for the shack to fit the plug coming from my KPA1500, the electrician tells
> me that it is a 120 V plug, and that is it against the law for him to wire
> a socket for that to 240 V.
>
>
>
> Here is a photo of the power plug my KPA1500 came with:David F. Reed
> שָׁלום עֲלֵיכֶם - עֲלֵיכֶם שָׁלום
>
>
>
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Re: [Elecraft] Weird signal on 80m on K3 S/N 642

[Tim Tucker]

Can you post a picture of the signal?

On Tue, Jul 20, 2021 at 2:35 PM Fred Jensen  wrote:

> 1.  Is this list still active?  Seems like ages since I've seen any
> activity.  Wonder if foothill.net has it blocked?
>
> 2.  I have a strange noise on 80.  It consists of what appears on the P3
> to be two slightly fuzzy carriers about 3 kHz apart, about S5-6.
> Sometimes that's all there is, but much of the time, the signal slides
> back and forth between them forming a rope-like pattern.  The pattern is
> repeated about 25 kHz lower, and both are synchronized.  The lower pair
> is centered on 3518, the upper pair on 3542.
>
> I've done all the usual [K3 on battery/main breaker off], DFing some,
> and I've searched down to 100 kHz and don't find it.  My P3 is in fixed
> tune mode so the noise display remains constant on the screen as I tune
> across it.  Then, I noticed that when I tune the K3, it disturbs the
> steady back and forth, creating a much finer rope-like pattern.  It is
> totally repeatable, and happens on both the lower and upper signals.
> Tuning either direction does the same thing.  When I stop tuning the Big
> Knob, it reverts to the slow back and forth about once per second.
>
> Wondering if there's something amiss in my K3.  It works normally in all
> other respects, and these signals do not appear anywhere else up to 29.5
> MHz.
>
> 73,
>
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
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Re: [Elecraft] K4D #150

[Tim Tucker]

I use a Heil GM5 mic, with the gain and compression adjusted so my lips
have to be almost touching the windscreen to drive the rig.  When a fan
blower from a big amp is going right underneath the rig, there is a limit
to gain and compression adjustments that can be made to get rid of that
much background noise.  Plus a room with hard floors makes the problem
worse (although I do have throw rug down).  This is the type of environment
where downward expansion shines.

Phase Inversion:  Perhaps I wasn't clear:  For some reason with my setup,
this Heil GM5 mic produces negative deflection on a power meter when using
AM.  Example:  you set the AM carrier at 25 watts, expecting modulation to
100 watts, but instead you observe 25 watts deflecting to 15 watts.  I
don't know why that occurs, but I do know that flipping the Invert phase
switch solves the problem.

Tim

On Thu, Jun 24, 2021 at 11:13 AM Jim Brown 
wrote:

> On 6/24/2021 6:48 AM, Tim Tucker wrote:
> > Downward Expander is the most valuable,
>
> That can reduce room noise you transmit in a noisy shack, especially if
> you've set compression too high, or work too far from your mic. Using a
> boom mic headset like the Yamaha CM500, that puts the mic a couple of
> inches from the mouth does a lot to minimize the need for that.
>
> phase inversion
>
> Correctly called "polarity," this does NOTHING to improve
> (on the iPlus) on
> > AM (when needed), and I've found that the compressor just works better
> (at
> > least on the K3).
>
> I could believe that.
>
>   There are other minor interesting features, but the
> > reader can do their own feature comparison
>
> With the possible exception of better compression, everything else is a
> way to extract money from those who don't understand audio.
>
> 73, Jim K9YC
> EE, Fellow of the Audio Engineering Society
>
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Re: [Elecraft] K4D #150

[Tim Tucker]

Downward Expander is the most valuable, phase inversion (on the iPlus) on
AM (when needed), and I've found that the compressor just works better (at
least on the K3).  There are other minor interesting features, but the
reader can do their own feature comparison

On Wed, Jun 23, 2021 at 4:53 PM Jim Brown  wrote:

> On 6/23/2021 11:57 AM, Tim Tucker wrote:
> > the other features the EQPlus brings to the table are hard to beat.
>
> Like what?
>
> 73, Jim K9YC
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Re: [Elecraft] K4D #150

[Tim Tucker]

Your comments about the EQ are interesting to me.  I continue to use a
W2IHY audio stack into my K3, because while the 8 band EQ works well in the
K3, the other features the EQPlus brings to the table are hard to beat.  As
I wait for delivery of my K4, one of my ponderings is if I will finally be
able to eliminate the external audio stack.

Waiting patiently... :)

On Wed, Jun 23, 2021 at 10:14 AM Thaire Bryant 
wrote:

> I tried to post this to groups.II but realized that I Ahmed up with my
> Arrl alias.
>
> I’ve had this one for two weeks and learn something new every day.  Having
> had a K3 for 10 years and a K3S for over two years (Along with K2s, K1s and
> all the “Xs”) a lot is intuitive but I still have to dig to figure out some
> of the controls.  Fred Caty’s book helps me know where or what to look for.
>
> The audio and noise control are fantastic.  The auto-tune for CW is really
> neat!  I found the EQ better than my K3S and every audio report has been
> superlative.  Thank you Wayne and Eric, this one is also a keeper!
>
> 73
> Thaire. W2APF
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Re: [Elecraft] K3 on 6M

[Tim Tucker]

If anyone needs the external 6m preamp for an original K3, I have one I
would part with for a reasonable price.

Tim,
AE6LX

On Mon, May 24, 2021 at 7:33 AM Linda M  wrote:

>
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Re: [Elecraft] Anyone try K4 with JTDX or WSJT-X?

[Tim Tucker]

I looked yesterday at JTDX and didn't see K4 in the rig list.  I
am apparently blind, because there it is :)

On Wed, Apr 7, 2021 at 12:49 PM Paul Van Dyke 
wrote:

> Andy
> Yes, but  Before I left on my business trip the K4 designation was not
> there yet. But it worked fine with a K3S..
>When I return home in 3 weeks, it will be switched over
>
>
> Paul KB9AVO
> K4 #76
>
> On Wed, Apr 7, 2021, 8:03 AM Andy Durbin  wrote:
>
> > Why would anyone select rig K3S when K4 is an available selection in the
> > current released verion of WSJT-X?  Is there a problem with the K4 rig
> > definition?
> >
> > Andy, k3wyc
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[Elecraft] Anyone try K4 with JTDX or WSJT-X?

[Tim Tucker]

Subject asks the question...will it work by selecting the K3S as the rig?
Has anyone who owns one try this yet?


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Re: [Elecraft] K3 MCU 5.93??

[Tim Tucker]

After playing with it this evening, I can confirm everything is working as
intended.  Typos happen...no biggie

On Fri, Mar 26, 2021 at 7:47 PM Wayne Burdick  wrote:

> Typo. Should have said 5.63, I believe.
>
> Wayne
> N6KR
>
>
> > On Mar 26, 2021, at 6:01 PM, Tim Tucker  wrote:
> >
> > I just received the K3 AUX cable for the KPA1500.  The manual makes
> > references to needing K3 MCU 5.93 or later for some of the features.  But
> > the latest MCU available on the Elecraft website is 5.67...I even checked
> > the FTP for beta versions.  Does anyone have any insight on where to
> obtain
> > this version of the K3 MCU?
> >
> > Tim
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[Elecraft] K3 MCU 5.93??

[Tim Tucker]

I just received the K3 AUX cable for the KPA1500.  The manual makes
references to needing K3 MCU 5.93 or later for some of the features.  But
the latest MCU available on the Elecraft website is 5.67...I even checked
the FTP for beta versions.  Does anyone have any insight on where to obtain
this version of the K3 MCU?

Tim
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Re: [Elecraft] Are external tuners really needed with Chamaeleon antennas?

[Tim Tucker]

Since noone has actually answered the specific question...

A few years ago, I was told by the Owner of Chamelon that the CHA
Hybrid-Micro used in that kit as the base & matching unit is 5:1 Unun.  The
manual of the kit has an SWR plot for various types of radiating
elements that can be used:  the vertical, vertical with extension, a length
of wire, etc. Whether or not a tuner is required to obtain an acceptable
SWR is going to depend a lot on what you intend to use for the radiating
element.  If you're planning on using the antenna with one of the vertical
elements on 40m, you're going to need to use the tuner in the KX2...which
will just fine.

The folks who have commented about using just a wire and binding post as
the preferred setup are not taking into considerations the various
operating environments that someone might be in.  I frequent desert and
mountainous areas in SoCal that have no trees or bushes of any meaningful
height.  In those cases, using a man-pack type of vertical (like the
Chameleon) is a very convenient antenna to use with a KX2 or KX3.

Tim

On Mon, Mar 22, 2021 at 8:24 AM Jeff Grillo  wrote:

> I am considering purchasing a Chamaeleon MPAS Lite and from what I gather
> from advertisements they require an external wide range antenna tuner to
> work. I have a kx2 with the internal tuner. I am guessing there is
> something beyond my paygrade as to why this would not be sufficient? If
> anyone has direct experience with these antennas please let me know your
> experience and what you think. Also… I am interested in this particular
> antenna because I am visually impaired and it seems like something I could
> set up myself relatively easily. Thanks! 73 KO4NE
>
> Sent from my iPhone
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Re: [Elecraft] Help with the KX3 and FT8

[Tim Tucker]

Using FT8 with the KX3 is pretty simple.  I've used it with both the
standard USB and USB DATA A mode.  Hook it up just like any other digital
mode, adjust the volume on the rig and level out on the PC, look at the
meter settings in the software and make contacts.

Don't make it more complicated than it is - try it, adjust, and have fun.

On Fri, Mar 5, 2021 at 4:55 PM Alan Geller via Elecraft <
elecraft@mailman.qth.net> wrote:

> With FT8 coming on strong as a popular communications and testing tool, it
> is
> tempting to dedicate your KX3 to this mode for a slice of time each day.
> There has been little to no
> update info for the KX3 with popular sound card interfaces (eg Signalink)
> as well as suggested
> settings for the KX3 and WTSJ-x itself. A little info would be very much
> appreciated from Elecraft or a crafty
> experienced user. Thanks in advance. alan….K6ADG
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Re: [Elecraft] KX2 Starts Off with Low Output on 10M

[Tim Tucker]

Mine does that too.  What works for me is to tweak the mic gain up and then
back to the same level and it starts working normally.  Seems to me like
there is a firmware bug with the radio that hasn't been figured out and
addressed yet.

Tim

On Sun, Feb 28, 2021 at 6:08 PM Brian Hunt  wrote:

> Nate,
> A couple more questions:
>
> Does the KX2 do the same thing on CW?
>
> Did Elecraft say anything about doing a TX gain calibration?  This can be
> done with the KX2 utility although I haven’t done it on mine, just on my
> K3. It sets the per-band gain coefficients  Be sure to save the current
> CONFIG file so you can restore it if needed. You will need a good dummy
> load an a stable power source. The procedure is on p. 38 of the Rev A5
> Manual.
>
> Good luck,
> 73,
> Brian, K0DTJ
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Re: [Elecraft] K3S RF/SQL Adjustment

[Tim Tucker]

Adjusting the AGC threshold and slope on my K3 to my liking made all the
difference for me.  I did the same on the KX3 and KX2, as well.

Tim

On Wed, Feb 17, 2021 at 11:21 AM Don Wilhelm  wrote:

> Mike and Brett,
>
> Go to my webpage www.w3fpr.com and scroll the left column to the "Noisy
> K3" article for assistance in adjusting the AGC Threshold and slope.
>
> 73,
> Don W3FPR
>
> On 2/17/2021 1:57 PM, NJMike wrote:
> > Brett, I am new to the K3S.  I set mine according to the Fred Cady book.
> > Mine are slightly different from yours.   But I don't have a good
> > understanding of how the settings affect the performance.  Sometimes I
> think
> > the rig is very noisy, even when connected to a dummy load.
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Re: [Elecraft] Occasional second radio use with KPA500

[Tim Tucker]

W2IHY has switch box solutions that should do the trick.

Tim


On Thu, Feb 4, 2021 at 11:57 AM Lou W0FK  wrote:

> NJ8M wrote
> >> Ideally, I could turn off the K3S, switch the feedline from the K3S to
> >> the
> >> 101ZD, and have use of both the tuner and amp.  Is there an easy way to
> >> do
> >> this?  Perhaps one of those breakout boxes?  Any hints appreciated!
>
> I use a StationProII, which unfortunately is no longer in production, but
> there's a decent resale market for them.
>
> http://www.w8zr.net/stationpro/
>
> I currently have 2 amps and 2 radios, but have had more at one time or
> another. The SPII allows me to swap in any radio and amp combination I
> want,
> and it transfers control lines so you don't have the issue you mentioned.
> When I had my K3S connected to my KPA1500 via the Elecraft control
> connections, I could use another radio without any issues.
>
> 73, Lou W0FK
>
>
>
>
> --
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Re: [Elecraft] Difference between a K3 and a K3S

[Tim Tucker]

The new I/O board was also an option that was sold separately as an upgrade
to the K3, as was the KXV3B, where the pre-amp was located.  If you find a
K3 with all those upgrades plus the synth (like mine ;), it's pretty close
to the same thing as the K3S.

On Mon, Jan 25, 2021 at 7:48 AM AB1DD  wrote:

> Mike,
>
> You don't get the new knob and bezel!
>
> Seriously, You don't have the new i/o board, with it's sound card built
> in and USB connectivity. There are a couple other things changed on the
> mother board that you can't get anyway with out buying a K3S. They
> weren't showstoppers for me. There is a second preamp, more att. levels,
> built it ATU will bypass, better speaker amp, Fast rx/tx switching,
> extended 630 and 2200 meter bands. There might be more that I can't
> remember, but the synth and i/o board are the biggest. There was a chart
> on the Elecraft website but I don't know where it is now.
>
> Hope this helps
>
> 73,
> Carl
> AB1DD
>
> Resistance is futile.
> (don't know about reactance, though)
>
>
>
> On 1/25/2021 10:29 AM, NJMike wrote:
> > If a K3 has been upgraded to the latest synthesizer - the KSYN3A -
> what's the
> > difference between it and the K3S?
> >
> > Thanks,
> > Mike NJ2OM
> >
> >
> >
> > --
> >
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Re: [Elecraft] How to download firmware into K4

[Tim Tucker]

I plan to buy one of these to interface the K4 ethernet to my home Wifi:

https://www.amazon.com/IOGEAR-Ethernet-2-WiFi-Universal-Wireless-GWU637/dp/B018YPWORE



On Thu, Jan 14, 2021 at 7:02 AM Bill Frantz  wrote:

> It sounds like I might be in trouble since the only Internet
> access in my shack is via Wifi on my phone. Guess why I'm always
> contesting as unassisted.
>
> 73 Bill AE6JV
>
> On 1/13/21 at 2:37 AM, n...@arrl.net (Bob Wilson, N6TV) wrote:
>
> >Yes, you connect the K4 Ethernet port to your Router or Ethernet switch,
> >then software updates may be downloaded on demand direct from the Internet
> >by tapping Fn > UPDATE and following the prompts.
> ---
> Bill Frantz| If you want total security, go to prison.
> There you're
> 408-348-7900   | fed, clothed, given medical care and so on.
> The only
> www.pwpconsult.com | thing lacking is freedom. - Dwight D. Eisenhower
>
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Re: [Elecraft] OT: Thoughts on MFJ-1026 or any other phasing box

[Tim Tucker]

I have one and also have a small horizontal receiving loop around the
perimeter of the property with the intended purpose of picking noise
generated by the neighbors' stuff.  The MJF unit works if you can
adequately pick up the noise through the receive antenna.  I made a video
of it that I put on youtube, but the video actually turned out pretty
poorly because you just can't hear the noise I was demonstrating
eliminating in the video.  Oh well.  When I originally put this in, I was
using it to eliminate both a rogue plasma tv and also the neighbor's pool
pump. Both of the offending devices have since been replaced so I don't use
the MFJ 1026 as much, but it's definitely a nice tool to have in the box.

I have kicked around the idea of putting up an active receive antenna for
it but am concerned that I won't be able to place that antenna far enough
away from my regular HF antenna with legal limit usage.  I've always
thought that this type of functionality could be built into the K3/K4 since
it already has a separate RX input.  Maybe Elecraft would consider it in a
future OS upgrade feature for the K4?

Tim

On Thu, Jan 7, 2021 at 3:46 PM Louandzip via Elecraft <
elecraft@mailman.qth.net> wrote:

>  My suggestion would be to try a small, low, horizontal receiving loop.
> This seems to be the best option to reject nearby noise sources that
> propagate mainly via vertically polarized ground wave.  Even normally
> horizontally polarized antennas, e.g. dipoles, still have some projection
> in the vertical plane when viewed off axis.
> A small RX loop is relatively cheap and easy to implement compared to a TX
> loop.
>
> On Thursday, January 7, 2021, 4:14:00 PM MST, Alan - G4GNX <
> g4...@g4gnx.com> wrote:
>
>  I have one and I also use an LZ1AQ double mag-loop. The mag-loop works
> pretty well with QRM from neighbours but it has limitations, especially
> when there's more than one source.
>
> The MFJ unit kinda works, but you do need a good 'noise' antenna, which
> I haven't installed yet. I'll be using a mini-whip which comes
> recommended for the job. Again though, the MFJ has its limitations when
> there are multiple noise sources.
>
> From reports I've read, some people find them great and others not so.
>
> Take a look at a couple of YouTube videos, that might help you decide.
>
> 73,
>
> Alan. G4GNX
>
>
> -- Original Message --
> From: "Dean L" 
> To: "Elecraft Mail List" 
> Sent: 07/01/2021 23:00:28
> Subject: [Elecraft] OT: Thoughts on MFJ-1026 or any other phasing box
>
> >I have horrible noise ( assumedly from my neighbors) that i cant seem to
> >kick on my K3 and kx3. The NB and NR dont touch it.
> >Ive been watching youtube videos on this magic little box from MFJ that
> >seems to do wonders on my type of noise.
> >
> >Has anyone a MFJ-1026 they no longer need?
> >Any thoughts on this unit?
> >
> >Thanks for the bandwidth and 73
> >
> >Dean K2WW
> >
>
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Re: [Elecraft] Firmware development

[Tim Tucker]

Tim,

I'm an owner of 3 Elecraft radios and am a huge fan of the products. But
one thing that the last few years has shown is that Elecraft does not have
a great track record of developing new features or technologies into their
existing transceiver products.  They release updates and patches for
various issues, and certainly did release new features early on for the K3,
but a lot of the ideas the community suggested went unanswered. I
understand why this is, and hope that it will change with the K4, but
ultimately the K3, KX3, and KX2 are largely the same product that they have
been for the last several years.

Tim
AE6LX

On Mon, Nov 23, 2020 at 9:35 PM Tim Neu  wrote:

> Hello, all,
>
> I'm a brand new and generally satisfied Elecraft KX2 user.
>
> I'm just wondering what sorts of features are in the oven for future
> versions of firmware.   SDR code is neat because it can add new features;
> but that really only is a benefit if cooks are in the kitchen.   How long
> will new features be developed?
>
> Also wondering if there are any ways for the programming community to help
> contribute to new features.
>
> It would be interesting to see more digital modes supported with the
> integrated digital interface. JS8?   I'm not sure what is possible on such
> a small radio.   What are the physical hardware limitations?
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Re: [Elecraft] KX2 Zero Power Out

[Tim Tucker]

Mess with the mic gain a bit, key it to see what happens.  I ran into this
a month ago on 10m only and it did it after changing bands to 10m.  I can
consistently duplicate the problem, too.  After changing bands to 10m, if i
mess with the mic gain, it starts outputting again - even when I put the
gain back to where I started with.

Tim

On Fri, Nov 6, 2020 at 4:46 PM K6YXH  wrote:

> My KX2 has zero power out. It just stopped working one day. No idea why -
> it's running off a a LiFePO4 battery. Power is set to 5W. Antenna tuner
> bypassed. Running into a dummy load. Does it on all bands. VOX on, CW, but
> not even .1 W out to my Elecraft W1 Power Meter. Time to ask Elecraft for
> help or send it in? 73, Norm K6YXH
>
>
>
> --
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Re: [Elecraft] K2/100 - Price reduced

[Tim Tucker]

Hi all,

W6KLE called me last night and asked me to let the group know that he has
reduced the price for the K2/100 package to $1400.

I have personally used this rig and it is pristine, as described.

Tim

On Wed, Oct 21, 2020 at 7:26 PM Tim Tucker  wrote:

> Listing this for a local ham W6KLE who is not on this list.  Contact info
> is below:
>
> --
> Selling my elecraft K2 100 watts with KAT 100
> 10/80 meters built in DSP all filters real time clock and more
> All manuals
> Works great built by W3FPR, I'm the original owner
> Very clean non smoking
> 1.600 shipping incl ships to the US lower 48 states only
> pacs...@gmail.com
>
>
> --
>


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[Elecraft] FS: K2/100

[Tim Tucker]

Listing this for a local ham W6KLE who is not on this list.  Contact info
is below:

--
Selling my elecraft K2 100 watts with KAT 100
10/80 meters built in DSP all filters real time clock and more
All manuals
Works great built by W3FPR, I'm the original owner
Very clean non smoking
1.600 shipping incl ships to the US lower 48 states only
pacs...@gmail.com

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Re: [Elecraft] KX3 battery upgrade?

[Tim Tucker]

I'd be up for that. The KX3 is my favorite radio.  After I got the KX2 and
started enjoying its internal Li-ion battery pack, I realized that the
KX3's internal NiMH battery charger is its worst feature.  I too never use
it anymore and have just switched to a small, external LifePO4 pack.

Tim

On Mon, Oct 5, 2020 at 2:47 PM Steve KC6ZKT  wrote:

> The KX3 is my favorite of my HF radios right now. But one of my
> annoyances is the internal battery limitations.
>
> I always wind up carrying an external 6_Ah or 10_Ah LiFePo4 battery into
> the field when I use this radio, an external charge controller, and
> solar panel. It's not a big problem, but it also should not be a big
> project to improve this situation. The KXBC3 has enough real estate to
> include a lithium battery charger, and even a solar charge controller in
> its space. The amount of battery energy that could fit in-place of the
> NiMH cells could approximately triple the capacity of the AA cells.
>
> So I have these questions:
>
> 1) How many of you out there might buy an upgrade which replaces the
> KXBC3 board with a lithium battery manager, and a associated battery pack?
>
> 2) Are there any 3rd parties already making anything like this?
>
> --
> --... ...--
> SteveSgt, KC6ZKT, @CM97bj73
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[Elecraft] K3 I/O / XVTR boards for sale

[Tim Tucker]

I have the KIO3B main / digital / audio boards and the original XVTR board
for sale.  Make an offer...


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Re: [Elecraft] list submission, using ham radio deluxe and logic with k3 and a laptop with only com3

[Tim Tucker]

I have used LP Bridge in the past but found that it crashed too often to
suit my tastes.  I am currently using VSPE 64 bit on two machines (for the
past 2 years) without any problems.

Tim

On Wed, Mar 1, 2017 at 9:31 AM, buddy s  wrote:

> i have a laptop, win 10, usb cabled to my k3, and the com port is
> identified as com3.  i would like to use ham radio deluxe and logic
> simultaneously.
>
> if someone has a similar situation and solved the problem i would
> appreciate the details.  i have tried VSPE, unsuccessfully.
>
> thanks, es
>
> 73 de
> W3BS, Buddy Spiegel
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Re: [Elecraft] P3 Product suggestion

[Tim Tucker]

I'd go for something like this.  The problem I have with the P3 is that
it's a great concept packaged in a pre-2010 UX and we're encroaching on the
year 2020.  .  One tweak to the suggestion:  It's shouldn't be VGA out -
that standard and associated video resolution is dead as dead can be. It
needs to be stepped up to a modern video monitor interface and resolutions

On Tue, Feb 14, 2017 at 9:28 PM, Joe Stone (KF5WBO) <
kf5...@wickedbeernut.com> wrote:

>
> There's tremendous commonality between the P3 and PX3 code base.  The same
> will be true for your P3x.  Mouse support is trivial.  I'd simply push for
> mouse support in conjunction with the P3 / PX3.  You'll get it for "free"
> with your P3x.
>
> Support for a gaming mouse is more involved.  All of the keyboards
> supported
> by the P3 / PX3 share a common HID report.  I'd expect the same to be true
> for the supported mice.  A gaming mouse will have an  extended HID
> descriptor and report.  I don't envision a gaming mouse being supported.
>
> Wouldn't you prefer an HDMI output?  SVGA must be 30 years old.  I was
> working for IBM at the time it was defined.
>
> Joe
> KF5WBO
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.
> nabble.com/P3-Product-suggestion-tp7626927p7626931.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] P3 "Point and Click"

[Tim Tucker]

What is this "mouse" think you speak of?  I've moved on to using NAP3 or
HRD with the touch screen :)  It works really well on DigitalMaster with
the digital modes:  Touch the waterfall, start typing.

Actually, that's not entirely true...there are  just some navigation
elements that do work better with a mouse.  But not having point and click
with mouse is one of the reasons why I never did the P3, either.

Tim
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Re: [Elecraft] More like K3S vs K3s

[Tim Tucker]

Man, some of you guys need to get out and do something else.  Try watching
football.  Or baseball.  Or anything besides worrying about what an "S"
really means.

Jesus.

On Sun, Oct 16, 2016 at 3:48 PM, Terry Schieler  wrote:

> Thanks to Phil W7OX who dug out Wayne's "official" email back when the
> capital S issue first arose:
>
>
> Wayne posted this message early in the K3S era:
>
> --
>
> *List: elecraft
>  Subject:
> Re: [Elecraft] K3s and K3S.
> 
> From: Wayne Burdick 
> 
> Date: 2015-05-14 21:55:23
> *
>
> Generally it's supposed to be "K3S" (capital). Please use that in email.
>
> However, on the radio itself, and in the owner's manual (etc.) we use a
> slightly \
> smaller capital "S". To be specific, about 85% of a full-height capital.
> This just \
> seemed like the right thing to do. Don't get me started on branding and
> graphic \
> design
>
> I'm looking forward to seeing a blog post with the official "S" scaling :)
>
> 73,
> Wayne
> N6KR
>
> -Original Message-
> From: Terry Schieler [mailto:w...@swbell.net]
> Sent: Saturday, October 15, 2016 6:47 PM
> To: 'Charlie T, K3ICH'; elecraft@mailman.qth.net
> Subject: [Elecraft] More like K3S vs K3s
>
> Actually, way back when the K3S was introduced, we poked a lot of fun at
> not
> being able to distinguish the new K3S from the possessive of a K3 or the
> quantities of K3Ss.  Those of us involved in those exchanges were clear
> when
> Wayne "suggested" that we use K3S (capital S) for the new radio when
> posting
> here to avoid confusion.  The problem exists because, for marketing and
> registration issues, Elecraft elected to use a *smaller font capital S for
> the S in K3S*.  If you think about it, you will notice that we have no
> choice of a font selection here on this reflector for a smaller capital S.
> So, the obvious fix for here was to use K3S (capital S) for the new radio.
> I think Wayne tried to explain that back then and some new users just don't
> understand why, and consequently, attempt to mimic the artistic expression
> of the new radio graphic logo.  If you look closely at the Elecraft web
> site
> you will see that much of the new literature and reference to the K3S on
> the
> site has begun to evolve into the K3S (capital S) probably for the sake of
> clarity..
>
> Wayne may jump in to clarify, but that's what I recall.
>
> Terry  W0FM
>
>
>
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Re: [Elecraft] KX3 2m external amplifier

[Tim Tucker]

You can call the owner and talk to him yourself and make your own
determination on where they're made.  He has his name, address, and email
address right there - email and ask for his phone number.  I know quite a
few people (including myself) that have purchased several of those power
supplies direct from him and have not had any problem with RFI.  I have
also purchased one of the chinese versions that look the same and threw it
out almost immediately because it was so bad.  If you bought one direct
from him that was noisy, I'd call him up and send it back for him to
replace to test out his advertised 2 year warranty.

On Thu, Jul 28, 2016 at 5:44 PM, Josh Fiden <j...@voodoolab.com> wrote:

> While I don't doubt that you're successfully using these, I previously
> looked into these supplies and find the claim that they are made in
> California to be highly questionable. At the least, I don't see where the
> products are marked "Made in USA" nor does it say this anywhere that I can
> find on their web site. They refer to copies as "offshore clones" and so
> on, but no where do they refer to their own supplies as made here. Selling
> 30A supplies for $50 full of hand inserted through hole components, it
> seems frankly impossible that they are manufactured using California labor.
>
> If you have information to the contrary, please post as I'd love to be
> wrong. Since we all own Elecraft gear, I'm guessing that many have the same
> strong preference for USA made products that I do.
>
> 73,
> Josh W6XU
>
> On 7/28/2016 5:00 PM, Tim Tucker wrote:
>
>> Not difficult to power, at all.  Just buy two of these 50 amp units and
>> run
>> them in parallel.  I've personally tested these in my shack and they work
>> great.  No RF hash visible on the panadapter on any band that I run.  And
>> they're made right here in California:
>>
>> http://www.12voltpowersupplies.us/
>>
>>
>>
>>
>>
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Re: [Elecraft] KX3 2m external amplifier

[Tim Tucker]

Not difficult to power, at all.  Just buy two of these 50 amp units and run
them in parallel.  I've personally tested these in my shack and they work
great.  No RF hash visible on the panadapter on any band that I run.  And
they're made right here in California:

http://www.12voltpowersupplies.us/





On Thu, Jul 28, 2016 at 2:12 PM, Josh  wrote:

> Difficult to power, need a stiff supply that does 60A. Great amp but know
> what you're getting into.
>
> 73,
> Josh W6XU
>
> Sent from my mobile device
>
> > On Jul 28, 2016, at 12:58 PM, Charlie T, K3ICH  wrote:
> >
> > My TE Systems 1452G amp puts out a tad under 400 watts with 4 watts
> drive.
> > AND it is biased for linear service.
> >
>
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Re: [Elecraft] KX3 2m external amplifier

[Tim Tucker]

I've used mine with the Mirage B-320-G quite a lot.  It works great, both
FM and SSB with no issues.  I've also used it with a little Tokyo Hi-Power
35 watt amp and had no issues, either.  There really isn't anything
complicated about getting the KX3 2m going with any amplifier - just make
sure the one you choose will deliver the power you're looking for with 3
watts or less input.

Tim
AE6LX

On Thu, Jul 28, 2016 at 9:50 AM, Dirk Handzic  wrote:

> Does anyone use a KX3 + internal 2m transverter with an external amplifier?
> I am looking for any recommendations. I have looked at RM Italy LA-144
> and Mirage B-34-G. My intention is to use it with both FM and SSB. Does
> anyone have experience with one of these amplifiers?
> --
> 73, Dirk SA4DHT
>
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Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

[Tim Tucker]

What, exactly, does the discussion of the Collins NB filter have to do with
the experimental NB thing Wayne is working on?  Can we stick to the topic
at hand?

On Thu, Feb 4, 2016 at 3:46 PM, Bob McGraw K4TAX 
wrote:

> The purpose of a Noise Blanker is to act only on repetitive pulse type
> noise.  They do little to nothing for random type noise issues.
>
> 73
> Bob, K4TAX
>
> On 2/4/2016 5:29 PM, W5RDW wrote:
>
>> I think the Collins NB was most effective on pulse type (ignition) noise
>> encountered in mobile applications.
>>
>> http://collinsradio.org/archives/manuals/136B-2_5th-ed-11-66_.pdf
>>
>>
>>
>>
>>
>
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Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

[Tim Tucker]

I did a quick 'n dirty cell phone video of the results of this on SSB.  You
NEED to use headphones to hear the difference because the cell recording
has crappy audio.  This test is done on 75 meters, dialed into a plasma TV
generating noise.  There is no intelligent signal present - just the noise
floor and the plasma tv.  In this test, I found that a DSP NB setting of
2-3 worked best - incidentally, is usually use 2-2 or 2-3 on a daily basis
but I've never been really happy with any of the NB settings.
Incidentally, I also tried it in the video with the AGC turned ON and that
had good results, as well.

I need to find an actual intelligible signal to do this on, but the
preliminary results are quite impressive.  I'd LOVE to have a DSP NB
setting that would activate this without having to permanently alter the
filter settings.  Here and watch for yourself

http://1drv.ms/1PTCo6y

Tim
AE6LX

On Wed, Feb 3, 2016 at 9:22 PM, Scott Ellington  wrote:

> If I understand it correctly, reason for the wide crystal filter is that a
> narrow filter stretches the noise pulses, making blanking ineffective.
> (The idea is to blank out the noise, without blanking out a lot of the
> signal.)  The wide filter passes the narrow noise pulses to the DSP, which
> can then blank them out like a hardware blanker.  The result is passed to
> DSP bandpass filter.
>
> I don't have the 6 kHz filter, but I'd like to know how well it works.
> One of my (few) disappointments with the K3 is the noise blanker, which
> never seems very effective on line noise.  The conventional noise blanker
> in my old FT-1000 can often reduce the noise dramatically, but only when
> there are no strong signals nearby.   Alas, that means it never works
> during contests.
>
> Long, long ago, someone (Collins?) proposed using a second receiver to
> control a noise blanker, with the second receiver tuned to a nearby clear
> spot wide enough for a filter much wider than that of the primary receiver,
> say 15 kHz.  That might be just outside the ham band, for example.   Then
> the main receiver would retain its excellent immunity to strong nearby
> signals.  Now, if the subreceiver in the K3/K3s could be made to do that,
> I'd buy the 15 kHz filter instantly.
>
> 73,
>
> Scott K9MA
>
> --
> Scott Ellington  K9MA
> Madison, Wisconsin, USA
>
> k...@sdellington.us
>
>
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Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

[Tim Tucker]

Wayne,

What is the difference in configuration to trying this on SSB? Do we make
the same settings change or change Filter 1 if we have the 13Khz filter?
And how are AM and FM affected?

I've got the type of noise you're referring to here from local plasma TV
interference...I'd love to try this on SSB.

On Wed, Feb 3, 2016 at 7:03 PM, Wayne Burdick  wrote:

> Hi all,
>
> If you have...
>
> - really ugly noise sources that neither of the K3/K3S noise blankers
> completely clean up, and
>
> - a 6-kHz crystal filter, and
>
> - a narrow crystal filter (200-1000 Hz)
>
> ...then you may want to try an experimental technique I've been using the
> past couple of days. In many cases it produces dramatically improved
> blanking, at least in narrow-band modes (CW, PSK, FSK). I've been able to
> hear many weak signals that I simply couldn't hear before.
>
> It may also work for SSB signals in conjunction with a 15-kHz crystal
> filter, but I haven't tried that yet.
>
> The kind of noise I'm talking about is often quite unstable, with a buzzy
> sound, possibly drifting around a bit in frequency and amplitude. Light
> dimmers, switching power supplies, and various other devices create such
> noise. The noise may be narrowband: as you tune the VFO, you may find
> there's a "hump" of noise that's anywhere from 2 kHz to 50 kHz wide. It may
> also have very complex waveform with multiple noise pulses back-to-back in
> a burst.
>
> These types of noise are difficult to deal with. The IF blanker's signal
> path may be too wide (0.2 to 2 MHz), resulting in too little energy in-band
> to trigger the gating signal. The DSP blanker's RF signal path may be too
> narrow, making it hard for the DSP to distinguish noise from desired signal.
>
> * * *
>
> Setup:
>
> 1. Connect the radio to a computer running K3 Utility. Go into the
> Configuration / Configure Crystal Filter setup screen.
>
> 2. Find your 6-kHz filter (probably FL1 or FL2). Now the fun part: fake
> out the firmware by entering a bandwidth for this filter that's just 50 Hz
> wider than your narrow CW filter (ideally 250-500 Hz). *Do not* change the
> filter offset. But *do* make sure that the 6-kHz filter's CW and DATA
> enable boxes are checked.
>
> 3. Click "OK" to save this experimental crystal filter configuration setup.
>
> 4. You will now find that when the WIDTH control is rotated from, say,
> 0.40 to 0.45, the XFIL selection will jump from something like FL4 directly
> to FL1 or FL2 (your 6-kHz filter). That, hopefully, is the boundary where
> magic may occur, below.
>
> * * *
>
> The Experiment:
>
> 1. Find one of your most offensive local noise sources. I have them on
> most low bands. The stronger the amplitude the better. Narrowband sources
> may provide the most dramatic results.
>
> 2. Back down the AF gain control, then *turn off AGC*. You may need to use
> the RF gain to keep the signal from clipping.
>
> NOTE: The reason for doing this test without AGC is to make sure you can
> hear the full effect of applied noise reduction. AGC flattens out the
> receiver's audio response, making it hard to compare different settings.
> (If you find that the noise-remediation trick works, you can later turn AGC
> back on, and while the effect won't be as obvious, any benefit in
> signal-to-noise ratio will still apply.)
>
> 3. Select CW mode and adjust the WIDTH control for your narrow filter's
> bandwidth (example: "BW 0.40").
>
> 4. Turn on the noise blanker (tap NB) and hold NB (LEVEL) to access the
> blanker parameters.
>
> 5. Set the IF blanker to OFF (VFO B). Then experiment with the DSP blanker
> settings (VFO A) to obtain the best possible reduction in signal.
>
> 6. While still the LEVEL parameters are still displayed, adjust the WIDTH
> control to the next step up (example: "BW 0.45"). This should kick in the
> 6-kHz filter, *but the DSP bandwidth and filter graphic will still show a
> narrow passband*. In other words, you're widening out the crystal filter
> but making very little change in the DSP's internal filter bandwidth (15
> kHz IF, and AF).
>
> 7. Now re-optimize the DSP noise blanker settings for the 6-kHz filter
> case. Did the noise drop? (If you have a signal generator, e.g. an Elecraft
> XG3, you might put an antenna on it and generate a weak signal right in the
> middle of the noise to get more definitive results.)
>
> 8. Try it on other noise sources. It may help on some but not others, due
> to the wide variance in noise signals.
>
> Please log your results and report them to the list, at least until Eric
> shuts down the thread :)
>
> * * *
>
> IMPORTANT:
>
> As you can imagine, opening up the crystal filter bandwidth much wider
> than the DSP bandwidth will make the receiver more susceptible to in-band
> interference. If necessary, use RF GAIN, preeamp, and attenuator settings
> to reduce all interfering signals to a manageable level.
>
> I find there are many occasions on which better blanking is really
> critical, 

Re: [Elecraft] suggested PC???

[Tim Tucker]

I haven't had used a "real" (old fashioned) serial port on any PC that
controls radio equipment in probably 10 years.  It's really not necessary
if you purchase quality USB/Serial adapters (no fake chipsets) where
needed.  The only PC I have with a old-fashioned serial port is an ancient
Toshiba laptop I keep around that runs DOS so I can program old Motorola
radios.

On Tue, Jan 5, 2016 at 10:19 AM, Gordon LaPoint 
wrote:

> You should consider adding real RS232 ports, at least 2 or 4 if you will
> ever run two radios, and even more if you want to control rotors, amps
> (KPA-500) or other accessories.
>
>>
>>
>
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Re: [Elecraft] K3 DSP processor speed

[Tim Tucker]

While I appreciate the input from Wayne on the K3's programming
architecture (as well as the facts on the power consumption
characteristics), the reality is that many of us have identified other rigs
that have implemented NR in a way that produces results that are much more
satisfactory.  Comments from those that don't seem to have a use-case for
NR aren't really applicable to this particular topic, either.

Personally, I find the NR capabilities of the KX3 to be among the best and
most flexible that I've ever experienced, but also find the K3's
capabilities to be fairly anemic in comparison.  I would love to see the
KX3's approach implemented in the K3 - that would make for a VERY nice
upgrade, IMO.

On Mon, Nov 9, 2015 at 7:09 PM, Wayne Burdick  wrote:

> Steve Ellington wrote:
>
>
> > The IC-7851 consumes *200 Watts in RECEIVE mode!*
>
> So it can dampen shaking due to earthquakes and nearby teen house parties.
>
>
> > The K3.About 12 watts.
>
> So you can run it from a solar panel after the aforementioned disasters.
>
> Wayne
> N6KR
>
>
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Re: [Elecraft] K3 for Sale

[Tim Tucker]

K3 #4519 is still for sale to make room for a new K3S:

-100 watts
-ATU
-General Coverage RX module
-2.1 Khz 8 pole filter
-2.8 Khz 8 pole filter
-400 Hz 8 pole filter
- 6 Khz 8 pole filter
-13 Khz FM filter
-TCXO
-KXV3A Rx Ant, IF Out & Xverter interface
-PR6-10 Preamp

Price reduced to $2750 shipped.  If you don't want the extra filters,
general RX, TCXO, let me know and we can work out a deal without them.

Tim
AE6LX
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[Elecraft] K3 still for sale

[Tim Tucker]

K3 #4519 is still for sale.  It is configured as follows:

-100 watts
-ATU
-General Coverage RX module
-2.1 Khz 8 pole filter
-2.8 Khz 8 pole filter
-400 Hz 8 pole filter
- 6 Khz 8 pole filter
-13 Khz FM B/W filter
-TCXO
-KXV3A Rx Ant, IF Out & Xverter interface
-PR6-10 Preamp

This configuration would run over $4K new; I'm looking for $3000 shipped
for everything.

If you don't want the extra filters, general RX, or TCXO, I'll pull them
out and we can make a deal that doesn't include them.

Tim
AE6LX


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[Elecraft] K3 for Sale

[Tim Tucker]

K3 #4519 is up for sale.  It is configured as follows:

-100 watts
-ATU
-General Coverage RX module
-2.1 Khz 8 pole filter
-2.8 Khz 8 pole filter
-400 Hz 8 pole filter
- 6 Khz 8 pole filter
-13 Khz FM B/W filter
-TCXO
-KXV3A Rx Ant, IF Out & Xverter interface
-PR6-10 Preamp

This configuration would run over $4K new; I'm looking for $3000 shipped
for everything.

If you don't want the extra filters, general RX, or TCXO, I'll pull them
out and we can make a deal that doesn't include them.

Tim
AE6LX
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[Elecraft] For Sale: Large padded Port-a-brace case perfect for your K3/K2

[Tim Tucker]

All,

Before I put this up on ebay, I thought I'd offer my Port-A-Brace camcorder
soft case up to the Elecraft community.  This is a very nice, durable soft
case with removable padding that is large enough to hold your K3, coax,
accessories, and everything else you probably need for a day in the field.
I've attached a link to the specific make / model, which retails for over
$200.

Mine is in excellent condition and I'm offering it for $125+shipping

https://www.studio-amg.com/ProductDetails.asp?ProductCode=Porta-Brace-CS-DV4R

This is a great, padded case for any travel radio plans.

Tim
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Re: [Elecraft] Mac utility with K3S Puts K3S in TX mode!

[Tim Tucker]

I use my K3 with a Mac and use it with both the Elecraft Mac utility and
Windows apps without problem.  I'm using an FTDI-based USB Serial converter
with it.  The first thing I would check is the type of USB Serial cable
you're using:  There have been many fake Prolific cables sold over the
years and those can be very problematic, even causing the type of behavior
you're seeing.

FWIW, I just tested the latest Mac utility and it worked fine for me.
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Re: [Elecraft] 2-30 MHz Transmit?

[Tim Tucker]

Wikipedia has a pretty good explanation on the history and current mission
of the MARS services:

http://en.wikipedia.org/wiki/Military_Auxiliary_Radio_System



On Tue, Apr 7, 2015 at 7:05 AM, Matt Zilmer mzil...@roadrunner.com wrote:

 Military Auxiliary Radio System.

 73,
 matt W6NIA


 On Tue, 7 Apr 2015 10:53:26 +0200, you wrote:

 Hello,
 
 Just for me as a Kraut, what is MARS?
 
 Christian
 
 Von meinem iPad gesendet
 
  Am 06.04.2015 um 19:04 schrieb Matt Zilmer mzil...@roadrunner.com:
 
  Hi Jay,
 
  I use my older K3 and a newer one on MARS frequencies.  The KX3 is
  used as a MARS ECOM / mobile unit with the KXPA100 amp.
 
  The K3 has a TX donut hole around the 8.2 MHz IF.  I think TX is
  locked out from 7.5 to 9.0 MHz (if memory serves).  The KX3 has no
  such restriction, being a Zero IF transceiver.
 
  Elecraft customer support can assist you with the unlock programs
  needed.  You may have to supply your MARS credentials, but I'm not
  sure how that is handled today.  It's been a while since I unlocked my
  radios here.
 
  Except for the K3's IF range, I've found no problems with TX and RX
  from around 2.8 MHz to 25 MHz.  KBPF3 use is recommended though, so
  that you have enough gain between ham bands.  Otherwise, the
  sensitivity falls off in between bands.  Note: There is very little
  MARS / SHARES activity above 20 MHz.
 
  I'm also using the KX3's 2m module to work an above-and-below MARS VHF
  repeater split, plus the odd set of simplex frequencies NMCM has
  around 2m.
 
  Again, from memory, Elecraft specifies performance inside the ham
  bands.  I don't believe there are any published specs for general
  coverage.  I haven't found any problems with between-band operation -
  plenty of sensitivity and dynamic range, etc.
 
  73!
  matt W6NIA / NNN0UET
 
 
 
  On Mon, 6 Apr 2015 09:37:12 -0700, you wrote:
 
  Can someone furnish the exact unlocked or MARS transmit frequency
  specifications for the K2, KX3 and K3?
 
 
 
  I think some of these radios may have gaps - due to RF filtering, IF,
 etc.
 
 
 
  Also, what about the unlocked transmit specs for VHF in these radios?
 
 
 
  Thanks,
 
 
 
  Jay
 
  W6CJ
 
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Re: [Elecraft] Auto Notch Revisited.

[Tim Tucker]

I agree with the majority of your assessment.  I also brought up the Auto
notch issue several years ago and haven't seen much, if any improvement.
 As a result, I nearly always just use manual notch.  I also have the same
complaint with the way the NR in the K3 works.  The KX3 implementation is
far superior, IMO.  I've actually considered coupling an AF DSP speaker
product from West Mountain Radio to the K3 to overcome the K3 autonotch and
NR limitations.  I've used one of their speakers mobile for many years
coupled with my IC-7000 with a lot of success.


On Thu, Jul 31, 2014 at 2:01 PM, wa9fvp rep...@willcoele.com wrote:

 It's been 2 years since there were complaints on this forum about the K3
 auto-notch.  Apparently it was never fixed.

 The other day I was working a Ham in Tel Aviv when a carrier came on and
 covered his signal.  The Auto notch worked well but the guys voice was very
 distorted.  To me that's unacceptable.

 This year at the Dayton Hamvention I talked to someone from Elecraft about
 the DSP problems and he agreed that the auto notch needs some improvement.
 I think he was a the product manager.

 Back in the early 90's I worked with another Engineer on a project we
 called
 The Hamblaster. I published two articles in QEX (October 1991 and January
 1992). We developed a PC based sound card that connects to the receiver's
 audio and performed, among other things,  an auto-notch and noise reduction
 (NR).  In our DSP software, the auto-notch was generated by summing the
 inverted NR output to the input signal.  Whether it's a noise reduction or
 an auto-notch we still used a software algorithm called the LMS (Least
 Means
 Square).

 Most Ham transceiver use the same LMS algorithm and I never heard distorted
 audio when the notch was engaged.  That's especially true with Yaesu, Icom
 or Kenwood. I'm not sure about the other American brands but I bet they are
 OK as well.

 My second complaint is the K3's NR control.  Most other manufacturers have
 an analog like control that simply changes the NR level.  I don't
 understand
 the logic of having several steps from F1-1 to F4-4 and F5-1 (mixed) to
 F8-4
 (mixed).  I would rather have two separate settings.  F0 to F9 for the
 level
 and if you want a to fiddle with the delay, D0 to D9 in the main menu.  I
 think the level control on other radios is simply a mix of the input signal
 with the NR output and is similar to the K3's mF5-1 to mF8-4

 To me it sounds as if there's a dynamic range problem on the K3 whereby the
 numbers in the math are over-ranging when the notch is engaged and is
 causing a flat-topping in the audio signal.  But that's just a guess!

 I hope someone at Elecraft reads this and gets the ball rolling to fix the
 problem!

 Jack WA9FVP
 Willco Electronics
 rep...@willcoele.com




 -
 Jack WA9FVP

 Sent from my TRS-80 :-)
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Re: [Elecraft] Ameritron AL-811H and Elecraft K3

[Tim Tucker]

I've used my K3 with both an Ameritron AL-800H and Ameritron ALS-1300 with
no interface issues whatsoever.

Tim
AE6LX


On Tue, Jul 1, 2014 at 8:12 AM, Ramon Tristani r.trist...@gmail.com wrote:

 I am considering using my K3 with an Ameritron AL-811H linear amplifier.
 Yeah, I know, the KPA-500 runs circles around it… but budget is tight here.
 Are there any interface problems that I should be aware of? If so, are
 there any fixes for them? Please let me know. Thanks.

 Ramón Tristani, NQ9V




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Re: [Elecraft] K3 KX3 running winmor

[Tim Tucker]

I know that it's best practice to use DATA A mode for digital, but I use
Winmor all the time in SSB mode and don't run into any problems.  I don't
even bother turning off the compression and EQ, either.  Have you tried it
this way, and if so what has your experience been?

Tim
AE6LX



On Fri, May 16, 2014 at 7:54 AM, K7JLTextra k7jltex...@gmail.com wrote:

 I run Winmor on my K3  KX3 and find it very frustrating that Winmor
 resets the mode back to SSB with each automatic frequency change. I need
 the mode to be set to DATA A so that the compression  Equalizers are
 disabled, ALC is optimized, and for the K3 the rear panel connectors are
 enabled. Are there other Winmor user that would like to see the WL2K
 development group make some changes to fix this problem?

 John Hendricks K7JLT
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Re: [Elecraft] K4?

[Tim Tucker]

Hahaha...the person(s) that don't use social media criticize the mockup
image because they don't understand that the social media icons are BELOW
the graphic, added by imgur.com so that people who do use social media can
share the image with their friends, and are not part of the actual graphic.
 Oh, the irony... :)


On Thu, Apr 24, 2014 at 2:15 PM, Gary Gregory vk1zzg...@gmail.com wrote:

 Scott,

 Yepand and buttons toohowever, the space on the front panel is
 limited by design and I accept the minor inconvenience this gives me in
 exchange for a brilliant receiver and all the other goodies Elecraft
 included in the K3.

 My only regret is the P3 lacking the promised remote Tx Sensor which
 appears to have fallen off some list somewhere and no amount asking what
 happened to it has elicited a response from Elecraft. I have given up hope
 it will appear.

 I smiled when I read your response Scottand I still am...:-)

 73

 Gary


 On 25 April 2014 07:09, Scott Manthe scott.man...@gmail.com wrote:

  Gary,
  Thanks for explaining. I was just curious, and no criticism was intended,
  so I'm hoping that none was inferred. I agree about the K3. I'd love it a
  bit more with band stacking, though...
 
  73,
  Scott, N9AA
 
 
 
  On 4/24/14 4:56 PM, Gary Gregory wrote:
 
  Scott,
 
  Simple answer is I don't use Faceplant or other social media so for me
  (and this was all I was implying) it would be off my list of
 transceivers I
  might want to purchase.
 
  I know lots of folks love social media and that is good for them, I
 don't
  and that may well put me in a tiny minority, so be it...:-)
 
  Beauty is in the eye of the beholder they say and I love my K3 but i
 know
  there are folks that do not agree with me but that too is OK.
 
  But every now and then somebody comes up with an idea and at the very
  least it stimulates (or at least I hope it does) the fertile minds at
  Elecraft..:-)
 
  73
 
  Gary
 
 


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[Elecraft] KX3 ATU not inst

[Tim Tucker]

All of the sudden my KX3's ATU cannot be seen by the radio and I can't
figure out why.  I went to the menu ATU.X MD and it says not inst and
when I try to change the mode, it just says N/A.  I tried pulling the ATU
out and put it back in, which didn't help.  It was working just fine since
the day it was installed until tonight.  Any thoughts before I call support?

Thx,
Tim
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Re: [Elecraft] KX3 ATU not inst

[Tim Tucker]

All,

Lyle emailed me 2 minutes after I posted this and pointed me in the right
direction (Thanks Lyle!)  The problem was that at some point I had
accidentally bumped the setting in the config to tell the radio that I had
the KXPA100 installed, which I don't.  As soon as I turned that off,
everything was back to normal.

Tim


On Thu, Apr 17, 2014 at 7:46 PM, VaibhaV Sharma
vaib...@vaibhavsharma.comwrote:


 On Apr 17, 2014, at 5:53 PM, Stew s...@ke4yh.com wrote:

  On 4/17/2014 8:25 PM, Tim Tucker wrote:
  All of the sudden my KX3's ATU cannot be seen by the radio and I can't
  figure out why.  I went to the menu ATU.X MD and it says not inst and
  when I try to change the mode, it just says N/A.  I tried pulling the
 ATU
  out and put it back in, which didn't help.  It was working just fine
 since
  the day it was installed until tonight.  Any thoughts before I call
 support?
 
  Thx,
  Tim
  I just went through the same thing with my KX3. The problem was caused
 by HRD. If you're using HRD try moving the Low Pwr Slider to 12Watts and
 see if that does the trick. You will see ATU on the KX3's screen. Also the
 KX3 menu will drop the .X and become just ATU MD.
  I really like HRD for logging but it doesn't get along with KX3 very
 well.

 I had posted the same issue on this list just two weeks ago. This has been
 reported to HRD and will be fixed in the next version.

 If you don’t touch the “high Pwr Slider”, the KX3 works OK with HRD.

 DM780 hangs when asked to transmit through rig blaster advantage + KX3,
 but that is a non-KX3 issue.

 —
 VaibhaV
 W7VAI

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Re: [Elecraft] Anyone using MS-DMT with K3? (Mil-Std Data Modem)

[Tim Tucker]

I use it with NavyMARS.  Are you sure you're using the latest version?
Mine has K3_DV listed under RIG which is what I use successfully.

Tim


On Fri, Sep 6, 2013 at 6:11 PM, Jack Berry we...@yahoo.com wrote:

 I'm trying out the Data Modem Terminal used by Army Mars. The K3 is not
 listed as a pre-configured radio in the drop down menu for RIGS. I expect
 one of the Kenwood models might work but not a clue which one.
 I'm Navy MARS and don't currently have  an Army buddy to ask.

 Thanks in advance for info.


 God Bless  73!
 Jack - WE5ST
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Re: [Elecraft] Remotely Turn On a KX3

[Tim Tucker]

This is the easiest way that is basically plug and play:

http://va2fsq.com/?page_id=93

Tim


On Thu, Jun 27, 2013 at 6:35 AM, Matt Zilmer mzil...@verizon.net wrote:

 There is a way to power on the KX3 remotely.  It involves holding one
 of the ACC1 or ACC2 pins at a logic state for 100 mS or more.  Now ...
 to find my notes on this.

 On Thu, 27 Jun 2013 08:50:47 -0400, you wrote:

 Emory
 Thanks for the response.  I surmised that no one has figured out how to
 do this from the relative silence in response to my post.  I was interested
 in it from the standpoint of remote control operation.  It is not covered
 in Fred Cady's book nor in the manual.  I will let you know if I find
 something that works
 Ariel NY4G
  From: w...@live.com
  To: n...@hotmail.com
  Subject: Re: [Elecraft] Remotely Turn On a KX3
  Date: Thu, 27 Jun 2013 08:13:31 -0400
 
  Ariel,
  I have looked into this before, I could not find a way.
  If you do please let me know.
  It can be turned off either remotely or via programmed button but I
 could
  not figure out how to turn it on.
  Good luck  73
  Emory  WM3M
 
  -Original Message-
  From: Ariel Jacala
  Sent: Wednesday, June 26, 2013 11:10 PM
  To: elecraft reflector
  Subject: [Elecraft] Remotely Turn On a KX3
 
  Is there a way to remotely turn on a KX3 through software  without
  physically pushing the Band- and ATU Tune buttons?  Any help here is
  appreciated.
 
  Ariel NY4G
 
  Sent from my iPad
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Re: [Elecraft] K3 Speaker buzz - But which external speaker ?

[Tim Tucker]

Sorry Joe, but I'm with Fred on this one, as well.  You're speaking from
what you believe to be true based on specs you're reading, but it's obvious
to me as one who has actually used various speakers on the K3, including
the COMSpkr, that you don't have as complete a picture as some of us who
have actually tested this.

I love the K3 and wouldn't trade it for another rig, but it's not perfect.
It's ability to drive external speakers is one of the examples where it
does not excel.  Compared to other rigs, it basically sucks .  Period.  I'm
young compared to most of you guys and have no hearing loss and have quite
a good reputation amongst my friends for having an ear for what *sounds*
good.  After trying quite a few different external speakers setups with the
K3 and not being happy with the overall volume output, I decided that the
K3 was probably too finicky with what it needs for speaker impedance and
decided to just go with a set of powered external speakers and be done with
it.  The COMspkr is so damn loud that it practically blasts me out of my
den if I turn it up much. I don't like to use headphones if I don't have
to, and with the COMspkr, I rarely need to.

Regardless of what you think the specs say, you need to try this for
yourself and make an informed decision.


On Tue, Nov 6, 2012 at 5:39 PM, Joe Subich, W4TV li...@subich.com wrote:


   The COMspkr is an ampflied speaker.

 That's right and the amplifier is not any stronger than the amplifier in
 the K3.  There is no value to using a set of 3W per channel amplified
 speakers on a transceiver that provides 2.5W per channel by itself.

 I've used a pair of $5 speakers from surplus cellphone remote kits on
 the K3 that sound as good as any amplified computer speakers (and I've
 used a lot over the years).  If one is going to use amplified speakers
 use speakers capable of significantly more *clean* power than what is
 essentially a low end commodity product.

 73,

 ... Joe, W4TV


 On 11/6/2012 6:34 PM, Fred Smith wrote:
  Joe
 
  The COMspkr is an ampflied speaker. Hell I have a set of Bose speakers
 here
  that were close to $500 and don't sound any better on a radio than the
 $39
  ones and they are as loud as you want. I got to call you on this one just
  from using as many sets of speakers as I have.
 
  Fred/N0AZZ
 
  -Original Message-
  From: elecraft-boun...@mailman.qth.net
  [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Joe Subich, W4TV
  Sent: Tuesday, November 06, 2012 4:43 PM
  To: elecraft@mailman.qth.net
  Subject: Re: [Elecraft] K3 Speaker buzz - But which external speaker ?
 
 
  The COMSpkr is rated at 3W per channel ... barely better than the 2.5W
 per
  channel of the K3.  A good pair of bookshelf speakers will provide
  everything that the COMspkr does with arguably better sound than the
 small
  speakers in the COMspkr enclosures.
 
  A good technician can probably make a $10 pair of computer speakers as
 RF
  proof as the COMspkrs just by installing the RC RFI suppression networks
  most manufacturers leave off the standard amplifier board!
 
  73,
 
   ... Joe, W4TV
 
 
  On 11/6/2012 5:00 PM, Fred Smith wrote:
  IMHO the best bang for the buck are the West Mountain Radio COMspkr
  for $39 they have no equal. I have speakers in the shack that cost up to
  $400 ea.
  and these sound the best on my K3's and Never any RF on them with
  legal limit ++.
 
  73,
  Fred/N0AZZ
 
  -Original Message-
  From: elecraft-boun...@mailman.qth.net
  [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of drewko
  Sent: Tuesday, November 06, 2012 3:10 PM
  To: Elecraft@mailman.qth.net
  Subject: Re: [Elecraft] K3 Speaker buzz - But which external speaker ?
 
  I am using a pair of MFJ-281 Cleartone speakers with my K3.
 
  Some say they are fantastic; some say they are junk... But they work
  well enough for me for CW and SWL. They peak around 600-700 Hz. I
  would prefer a little lower, 400-500 Hz, but they work ok in that
  range. And no buzzing anywhere that I have heard. They also look like
  they were made to match the K3.
 
  As for RF, I  have had no issues with them. The lead-in of my end fed
  wire antenna is inches away from them (though I do only operate 10 watts
  output).
 
  73,
  Drew
  AF2Z
 
 
  On Tue, 06 Nov 2012 20:18:45 +, Iain G4SGX. wrote:
 
  Hello,
  Well after 18 months the buzzing of the K3 internal speaker has
  reached annoying proportions.
  For a while it faded after switching on for 10 mins but now its a
  constant resonance at 580 Hz. Great for CW! (not) Because of the
  above I am sure its because the coil has shifted in the speaker
  slightly rather than any sympathetic resonances from the case.
 
  I'm not complaining, I understand if I contacted Elecraft I am likely
  to get a replacement speaker sent out, (Its a well documented 'extra
  feature') but really haven't got round to it, nor am i likely too,
  well down the list of priorities!
  Will probably order it 

Re: [Elecraft] K3 Speaker buzz - But which external speaker ?

[Tim Tucker]

Or, one can simply choose to pay an extra $20-$30 and bypass all of the
fooling around by trying to find the right combination and just buy
something that others have proven that works.  Sacrificing the Line Out for
external speakers is a pretty lousy solution, IMO.

You originally replied that the COMspkr wouldn't work any better than the
internal speaker, however I know from personal experience that it does
exactly that.  Take off your engineer hat and put on your consumer hat.
For some of us, spending an extra couple of bucks to just be done with the
whole problem (that shouldn't exist in the first place) is worth it.  I
don't need or want to go execute an algorithm to figure out which speaker
will allow me to hear the rig at an acceptable volume.  If you like doing
that, no one is going to criticize you, however, not all of us feel like
going through that exercise.

My own experience is that I tried a bunch of external speakers with the K3
and the results sucked - in fact they were worse than other Icom and Yaesu
rigs sitting on the bench at the same time using the same speakers.  I got
tired of fooling around with it and decided to purchase the powered COMspkr
and was satisfied. Are there better solutions?  Perhaps.  Do I care?  No.
My problem is solved and I spend time enjoying the radio instead of cursing
at the volume output of the K3.



 *IF* one feels the need for an external amplifier, bypass the internal
 amplifier by using the Line Out and high cut filter to drive a better
 amplifier - something capable of 10W per channel at 0.01% THD instead
 of 3W per channel at 1% THD like the COMSpkr.  Alternatively, set up
 the external amplifier with a 16 - 32 Ohm input impedance, set the K3
 to low AF gain to keep the LM4950 in the cleanest part of its design
 range and use the external amplifier to provide the power gain.

 Just like RF power amplifiers, audio amplifiers are all about selecting
 the right devices, using proper design and bypassing, then matching to
 the right load.




On Tue, Nov 6, 2012 at 10:31 PM, Joe Subich, W4TV li...@subich.com wrote:

 *IF* one feels the need for an external amplifier, bypass the internal
 amplifier by using the Line Out and high cut filter to drive a better
 amplifier - something capable of 10W per channel at 0.01% THD instead
 of 3W per channel at 1% THD like the COMSpkr.  Alternatively, set up
 the external amplifier with a 16 - 32 Ohm input impedance, set the K3
 to low AF gain to keep the LM4950 in the cleanest part of its design
 range and use the external amplifier to provide the power gain.

 Just like RF power amplifiers, audio amplifiers are all about selecting
 the right devices, using proper design and bypassing, then matching to
 the right load.  An audio amplifier needs to be able to source enough
 current to drive the speaker without saturation or clipping.  The audio
 chip used in COMspkr and other 3W per channel computer speakers is
 simply no better or cleaner than the LM4950 used in the K3 - they all
 show high THD when operated at maximum output level because they just
 can not source the current without driving the outputs into saturation.
 That is nothing more or less than simple physics.




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Re: [Elecraft] Rollup rubber keyboard

[Tim Tucker]

I tried one of these (probably not the same brand) several years ago in
conjunction with a mini-notebook for doing digital modes in the field.  It
produced horrible RFI for me so I eventually gave it away.  I guess it's a
YMMV type of deal.

Tim

On Thu, Aug 9, 2012 at 12:40 PM, Adrian vk4...@bigpond.com wrote:

 That's great Jim, I also noticed it very immune to rfi and easy to use.

 Hey if you spill your drink , coffee etc its no issue, wash it off and
 towel
 it down and keep going even if wet.

 Be great for field day/outside use/dxpeditions etc, the buttons respond
 well
 too.

  I ordered a spare, as they are such a good deal.

 Adrian ... vk4tux


 -Original Message-
 From: Jim Sheldon [mailto:w...@cox.net]
 Sent: Friday, 10 August 2012 4:29 AM
 To: Adrian
 Subject: Rollup rubber keyboard

 Hi again Adrian,
 Postman just delivered that cute little rubber roll-up keyboard.  Took
 exactly 30 seconds to fall in love with it.  Also, even without any
 ferrites
 on it, no RF problems apparent even with the KPA500 running 600+ out on
 RTTY
 and the other one would lock up.  I did pick up a whole bunch of type 31
 snap on ferrites that are about 1.5 inches long and a couple of them killed
 the problem on the little silver KB.  This rubber one is going to be great
 as I do a lot of the local hamfests as a demo guy for Elecraft, taking my
 own equipment and showing it off with a tripod mounted homebrew antenna.  I
 usually wind up working some pretty decent DX on RTTY or CW during the
 demo's and I never run more than 5 watts out at a hamfest to make sure
 nobody gets an RF burn if they happen to grab the antenna while I'm
 transmitting.

 This roll-up KB has a much better feel than I really expected and is really
 easy to type on.  I think I'll order 3 more of them to have one for each
 laptop and a spare if one fails.

 Thanks for the info.

 Jim - W0EB

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[Elecraft] KX3 at Sturgis Motorcycle Rally Special Event Station N0W

[Tim Tucker]

All,

Special event station N0W, sponsored by the Worldwidedx.com Amateur Radio
Club / W9WDX is being activated at the Sturgis Motorcycle Rally using an
Elecraft KX3.  If you need South Dakota or Meade County or Grid Square
DN84HJ, this is your chance if conditions are right.  Operating dates and
times will be posted here:  Sturgis Operating
Time/Mode/Frequency.http://www.worldwidedx.com/worldwidedx-com-amateur-radio-club/142608-sturgis-operating-time-mode-frequency.html

For a quick video of what will be used for the special event station, check
out this video on youtube:  http://www.youtube.com/watch?v=S1nZ1ws-mbA

Have fun!

Tim
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Re: [Elecraft] [KX3] Speaker buzz fix with pictures

[Tim Tucker]

I actually tried tape at first and wasn't as happy with the results.
Removing a bit of the case material seems to solve the root of the problem
rather than just deal with the effects.

Tim

On Sat, Jul 21, 2012 at 3:13 PM, Andrew Moore andrew.n...@gmail.com wrote:

 Another method: Painter's tape (the blue stuff) - a strip along the two
 horizontal seams to the left and right of the speaker (as it faces you)
 cured the buzz here - and also one strip on the bottom edge under the
 speaker.

 I applied it over the edges, folded it down on the inside and outside
 surfaces.

 No bending, no grinding or filing. Only downside is your KX3 looks like
 it's about to be painted.

 Actually, black vinyl tape would probably do better, and would blend in
 better with the case.

 Note - this method is done most easily by separating the cover halves, but
 as Ron mentioned, be careful with that ribbon connector when you unplug it.

 --Andrew, NV1B..



  separate the covers (CAREFULLY.. as Ron mentions, that ribbon cable is
 fragile).
 On Sat, Jul 21, 2012 at 3:42 PM, Ron D'Eau Claire r...@cobi.biz wrote:

  There's a way that does not involve any filing or grinding.
 
  I've found that the critical gap is the one at the bottom just below the
  speaker where vibration by the speaker can make the edge of the metal
 move
  back and forward, banging against the bottom cover.
 
  That is easily cured by separating the top and bottom (you'll have to
  unplug
  the flex cable and battery connector) and then, holding the top cover in
  your hands with the inside facing you, press your thumbs against the edge
  of
  the metal just below the speaker, bending it gently outwards. Repeat and
  check the fit with the top cover until you have a comfortable gap and a
  straight edge placed across the speaker lines up with the bottom cover on
  both sides. On mine, the gap was about 20 mils when the section of the
 top
  cover holding the speaker lined up with the bottom cover.
 
 
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[Elecraft] [KX3] Speaker buzz fix with pictures

[Tim Tucker]

Inspired by the KX3 yahoo group discussion yesterday on the source of the
speaker buzz in the KX3, I decided to try it out.  Here are my results with
detailed pictures:

http://www.worldwidedx.com/elecraft-kx3/142103-elecraft-kx3-speaker-buzz-fix.html

Tim
AE6LX


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[Elecraft] [KX3] Kit build video from HamNation is now on youtube

[Tim Tucker]

Here's the link to the KX3 kit build video featured on HamNation
tonite:  http://www.youtube.com/watch?v=Zd_sIiBgCOY

Enjoy!

Tim
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[Elecraft] [KX3] KX3 build video on HamNation 6/12

[Tim Tucker]

All,

Just a reminder that if you would like to see how a KX3 goes together,
there will be short video describing the whole process on the live
HamNation broadcast tomorrow night, 6/12 at 6pm PT / 9pm ET:  The
broadcast will be shown at http://twit.tv/hn.

If you miss it, the video will be posted on YouTube afterward; I will
email the URL when it's up.

Hope you enjoy!
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[Elecraft] KX3 Kit build video to be featured on HamNation

[Tim Tucker]

All,

Please tune in this coming Tuesday 6/12 at 6pm PT / 9PM Et to the live
broadcast of Ham Nation with Gordon West and Bob Heil, featuring yours
truly, AE6LX, showing my video which explains the KX3 kit build.  You may
have seen the step-by-step photos that I published of the build process at
http://www.worldwidedx.com/elecraft-kx3/139501-building-elecraft-kx3-kit-step-step-photos.html,
but what I didn't tell you was that I also shot a high quality, up-close HD
video of each major step, explaining the whole process.

The entire 11 minute video will air sometime during the live Ham Nation
broadcast, shown at http://twit.tv/hn.  Let's see if we can knock their
socks off with the turnout from the Elecraft enthusiasts!

Tim



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[Elecraft] Finished building my KX3 kit - here are the build photos

[Tim Tucker]

I finished building the KX3 kit and took pics along the way. It was a fun
build and I hope you enjoy the pictures:

http://www.worldwidedx.com/elecraft-kx3/139501-building-elecraft-kx3-kit-step-step-photos.html


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Re: [Elecraft] K3 - RX audio degradation with ANF

[Tim Tucker]

ANF is the common use abbreviation for Auto Notch Filter.  A lot of rigs
use that nomenclature.

The K3's ANF on SSB has not worked correctly IMO for several firmware
releases.  Someone posted a fix a while back that involved resetting back
to factory settings, rolling back to a previous firmware, reloading all
your settings and then loading the current firmware.  That's a lot of work
and I was hoping a more elegant fix could be implemented in a firmware
update.

In my experience, the issue isn't so much extreme distortion on the signal,
it's that it doesn't notch the offending signal properly.  To reproduce,
watch your RX signal with a strong carrier on a waterfall with a computer
application like MixW.  Turn on the ANF and you'll see that the K3 notches
on either side of the offending carrier, but not actually right on the
carrier.  If you have good ears, you can hear this yourself.  The manual
notch works fine, of course.

I haven't tried the latest beta firmware, so I don't know if this issue has
been addressed yet.  It needs to be addressed, though.

Tim

On Fri, May 18, 2012 at 5:35 AM, Gary Gregory garyvk...@gmail.com wrote:

 *Don,

 your not alone but I guessed it was Auto-Notch Filter..:-)


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Re: [Elecraft] Turn on turn off transients

[Tim Tucker]

My K3 thumps the powered external speakers pretty good when I turn it
on/off using the power switch on the front of the rig.

Tim

On Tue, May 1, 2012 at 10:24 AM, Guy Olinger K2AV olin...@bellsouth.netwrote:

 What  tooth rattling turn on and turn off thump from the K3?

 Never heard that myself.  I use the K3 power button to turn off and on.
  Some folks I know turn off the power supply. Maybe that's different?
  Exactly how do you turn rig on and off?

 73, Guy.

 On Tue, May 1, 2012 at 12:26 PM, Richard Thorpe kis...@me.com wrote:

  tooth rattling turn on and turn off thump from the K3
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Re: [Elecraft] D-Star

[Tim Tucker]

There are quite a few D-STAR repeaters and hot spots on the air that are
non-Icom and required no patent to build.  D-STAR is an evolving technology
and it wouldn't be too far fetched for an enterprising company to build a
radio using similar chipsets and firmware currently being used in the
repeaters and hotspots being built by hams.


 I would hope that Elecraft would not add D-Star support; I think it's
 against the spirit of amateur radio, and particularly contrary to the
 kit culture, to have an on-air specification that an individual amateur
 is precluded from implementing without obtaining a patent license.
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Re: [Elecraft] New KAT500 pics from the Visalia DX convention

[Tim Tucker]

Any plans soon on a legal limit (1.5 KW+) auto tuner that can handle 10:1
SWR?  Reading the site, it looks like the KAT500 will the power, but only
at 3:1 SWR.


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Re: [Elecraft] DX Clusters

[Tim Tucker]

If you would like a visual DX Spot/Cluster, check out this one:
http://www.worldwidedx.com/dxspot.php.  It taps into the DX Cluster and
maps out the last 25 stations heard.  You can click on the map markers to
see more information or look at the list below.  Clicking on the callsign
does a callsign lookup.  While looking at the page, just hit refresh on
your browser to load an updated map.

Tim

On Fri, Mar 9, 2012 at 8:27 AM, Tony Morgan 1desertdwel...@gmail.comwrote:

 Wayne,
 Try W6RFU in Santa Barbara (UCSB)

 128.111.56.240:7300

 73,

 Tony W7GO
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[Elecraft] Today I got to play with the KX3: Initial impressions

[Tim Tucker]

Today I got to play with Serial No. 6 KX3.  While I didn't have as much
time as I wished, I was able to familiarize myself with it's operation,
controls and overall design.  My initial impressions are posted at:

http://www.worldwidedx.com/elecraft-kx3/134267-elecraft-kx3-hands-preview.html


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Owner, worldwidedx.com
AE6LX, Amateur Radio
NNN0ITA, Navy MARS
NNN0GAF FOUR, Southern CA Training Director, Navy MARS
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Re: [Elecraft] K3 Auto Notch distortion

[Tim Tucker]

I've noticed and observed this exact same thing while using MixW or DM780.
The auto notch doesn't kill the desired signal like it should - it appears
that it's missing on either side of the signal.  The manual notch works
as it should.

On Thu, Jan 26, 2012 at 11:08 AM, Nate Bargmann n...@n0nb.us wrote:


 While watching the effect of the autonotch on USB a CW signal in
 the passband on 20m with Fldigi, I see an interesting set of audio
 frequency bands that appear to be notches on either side of the desired
 notched signal but not on the signal itself.  Meanwhile the manual notch
 is a nice ~200 Hz wide band of notched audio.

 First, a screenshot with no notch enabled:

 http://i197.photobucket.com/albums/aa106/N0NB/Ham%20radio/k3-no-notch.png

 Second, the auto-notch:

 http://i197.photobucket.com/albums/aa106/N0NB/Ham%20radio/k3-auto-notch.png

 Finally, the manual notch:


 http://i197.photobucket.com/albums/aa106/N0NB/Ham%20radio/k3-manual-notch.png



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Owner, worldwidedx.com
AE6LX, Amateur Radio
NNN0ITA, Navy MARS
NNN0GAF FOUR, Southern CA Training Director, Navy MARS
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