Joe Subich, W4TV-4 wrote:
Here is the genesis of the complaint that the K3 is more
fatiguing than other receivers. The out of band noise
(noise above 5 KHz) in the K3 is, as you say, at least 60 dB
below the peak audio level (actually, I measure it at more
than 90dB down above 5
Don Wilhelm-4 wrote:
No-one is holding the K3 blameless, but in the interest of complete
troubleshooting, it is quite reasonable (to me) to check the easy things
first.
Absolutely. It is easy to overlook the obvious. In problems of this sort the
most likely culprit is always
If the K3 is being used by a contest group or dxpedition, for instance, you
will have a wider range of hearing sensitivities and these activities force
us to concentrate a lot more and use a radio for long periods. On this
basis, fatigue due to these artefacts should be eliminated for the
Hi all,
I will be running the UK Elecraft Net as usual tomorrow (Sunday) morning at
09:00 on 3658 +/- QRM. I hope to see you there :)
73 Ian
--
Ian J Maude, G0VGS
SysOp GB7MBC HB9DRV-9 DX Clusters
Member RSGB, GQRP 9838, FISTS 14077 | K3 #455
http://www.amateurradiotraining.org
Sorry, I don't buy the theory that the low-level stopband artifacts are
responsible for the perception of the K3 being noisy. To my ears and
tests I've conducted multiple times, the artifacts are audibly masked in
listening, even without the LPF.
On spectrum analysis, I see artifacts in
Gangue:
I am trying to set my K2 to bypass the internal KAT2 tuner and display SWR.
When I set ATU CALS it shows the power out instead of SWR. When I set ATU CALP
I also get power out. I am running the K2 into a dummy load through a
wattmeter, wattmeter confirms SWR 1-1. Even in ATU CALS
Perhaps someone can please help. I previously set up N1MM to work RTTY via
N1MM digital interface using LSB mode on my K3 - no problems there. The K3
User Manual suggests using 'Data - AFSK A' mode for soundcard based RTTY
which I have tried to do. In AFSK A mode on the K3, I can only key the
Hi,
There is a zipped downloadable version of the Reflector at QTH.net
The files have the following structure : year-month.txt.gz
How can I read the content of these files ?
Thanks for the help
Raymond, F4FNT
K3/100 #0615
K2/100 # 5,636
G'day,
It's not exactly rocket science, you take the front panel assembly
off, remove a board and replace it with the new one, replace the
front panel assembly.
The assembly manual covers the front panel work or maybe just
download the DVR installation manual it's got all the information
you
http://www.winzip.com/lanall.htm?ext=GZ
http://www.gzip.org/
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I suspect that's about it in a nutshell.
People have gotten used to listening to a certain level and quality of
noise from the YaeKenIcom crowd that when presented with a receiver this
good they are convinced it's noisier. Noise, which used to be covered
up or attenuated by phase noise or other
Mike:
I wasn't really worried about taking it apart. I was just surprised
that Elecraft didn't include instructions given what comes with their
kits and add ons.
73,
John N1JM
On Sat, Jan 9, 2010 at 5:57 AM, Mike Harris mike.har...@cwimail.fk wrote:
G'day,
It's not exactly rocket science, you
No instructions included.
I've also been told that the production version of the Rev. D board doesn't
have the little add-on LP board and that those components are now built in
to the main DSP board. I have not verified this but it does make sense.
Steve
N4LQ
n...@carolina.rr.com
- Original
Hi All,
I am about to order my K3 Kit and want to make sure I am ordering the
right part to enable
me to use the SDR-IQ unit with my K3.
Can someone please confirm that to get the correct IF Output for the
SDR-IQ I need to include the
KXV3A module with my K3 Kit order?
If I've misunderstood
H
I suppose I am in the category where my hearing is impaired. At least my
wife informs me near daily that such is the case.
I was the oldest of the 13 operators blessed with 7 early production K-3s to
perform a task nearly identical to that described by David. The two
youngest
Terry,
I just went through something similar. Make sure the MARK frequency in
MMTTY (which N1MM uses) matches the mark frequency in the K3. In data
mode, hold the PITCH button and you see mark and shift.
ALso make sure that MMTTY is set to use the soundcard (Options, Misc).
GL 73,
Mike NF4L
I think the noisy issue derives out of our quite old analog listening
habits and expectations.
I would estimate for easily half of the reflector population (my real
guess is 75%), that their listening to radio career began with an
analog HF radio that didn't have enough gain to present ambient
So what you are saying is the K3 is too quiet for its own
good, and that's what makes it so noisy!
No, the low stopband noise with (relatively) high levels of
DAC leakage products is what makes the receiver tiring.
It's the additional noise is in the 1000 - 3000 Hz range
(with CW
Eric,
Please clarify, There are no LEDs on the KAT2, but the external KAT100
does have LEDs. (The mind does get 'fuzzy' at 4 AM).
In any case, if you are talking about the KAT2, CAL S should show the
SWR. If it does not indicate SWR correctly, and the SWR changes with
the power level, that
But these artifacts, at least in my observation, are only
present when a signal is present. If they are there when only
noise is being received, they are below the extremely low out
of band noise level.
I see 7.8 and 12 KHz products clearly at about 10 dB above the
stopband noise with no
G4MKP wrote:
Perhaps someone can please help. I previously set up N1MM to work RTTY via
N1MM digital interface using LSB mode on my K3 - no problems there. The K3
User Manual suggests using 'Data - AFSK A' mode for soundcard based RTTY
which I have tried to do. In AFSK A mode on the K3, I can
~
N2CQ QRP CALENDAR
JANUARY 9 to FEBRUARY 10, 2010
~
80 METER FOXHUNT (CW) *** QRP Contest ***
Each Tuesday Thru Mar 16, 2010
9 PM to 10:29 PM Eastern Time USA
Info:
I am looking for the simplest method to fine tune the frequency readout on my
K2 using WWV. It reads about 60 hz high right now.
Thanks for your help!
Dean
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How can we ensure the LPF is there once we receive our rev D boards? That
little LPF is the only reason why I upgraded, and I'll be knackered if I get
a DSP board that doesn't have one.
Cheers!
James K2QI
-Original Message-
From: elecraft-boun...@mailman.qth.net
Hi Mike,
You will need the KXV3 or KXV3A board; either one of those will have the IF
output jack.
73 de James K2QI
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Mike Tatum
Sent: Saturday, January 09, 2010 8:42 AM
To:
How can we ensure the LPF is there once we receive our rev D boards?
Look for either:
(a) a small piggyback board on the back of the DSP board near the
speaker amplifier IC (U1, at the upper left corner of the PCB as you
face it in normal orientation with the component side of the board
Lyle,
I was told all of the new replacement Rev. D boards have the LPF. Is that
correct or not?
Thanks, Mike - N5WNG
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Help:
Thanks Lyle!
James K2QI
-Original Message-
From: Lyle Johnson [mailto:k...@wavecable.com]
Sent: Saturday, January 09, 2010 10:42 AM
To: James Sarte
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 New DSP Replacing
How can we ensure the LPF is there once we receive our rev D
I was told all of the new replacement Rev. D boards have the LPF. Is that
correct or not?
Yes, it is correct.
Lyle KK7P
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Help:
I asked this a long time ago.
Check this out (one of MANY replies I got).
http://mailman.qth.net/pipermail/elecraft/2008-August/094783.html
Keep in mind the buffering which may be required.
de Doug KR2Q
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Hello!
I am looking for some options for my K3. KAT3 Tuner, KBPF3 General Coverage RX
Bandpass Module, KDVR3 Digital Voice Recorder, KTCXO3-1 TCXO, KXV3A RX
Ant., IF Out and Xverter Interface (last Version), KFL3A-2.8K 2.8 kHz, 8-pole
filter, KFL3A-400 400 Hz, narrow 8-pole filter,
Noise or no noise vs opertional ability to hear.
For me the K3 and it's DSP, NR and NB has help me over come the hearing
problem of being old and with teninous. The tone in my ears is so bad that I
could NOT pass the CW requirement test for an extra class license. My
previous radios with all
Dean,
You can find the entire process on my website www.w3fpr.com. Look at
the K2 Dial Calibration article.
73,
Don W3FPR
Dean Fewkes wrote:
I am looking for the simplest method to fine tune the frequency readout on my
K2 using WWV. It reads about 60 hz high right now.
Thanks for your
Okay, for better or for worse, I think we're all set to go. The files are up,
and our gracious web host Hector AD4C has the files in the same directory as
last time:
http://www.ad4c.us/Elecraft%20K3/shared%20files%20from%20K3%20users/W6LX%20recordings_/
which is a shared folder that he has
The installation of the Rev D DSP board went smoothly. I updated the
firmware and all is well.
The first thing I noticed was how much louder the headphones (Bose 32 ohm)
are. I use the FP jack. The difference is huge. Before the upgrade, I ran
the CW sidetone at 38. Now it's at 14! I'm not
I agree. These artificacts have sidebands that increase and
decrease with content in the normal passband, but their separation and
frequency span is as if the frequency content (not the amplitude) of
the normal passband were divided by 2 or 4. They are way down, and do
not exceed the amplitude
How far down dB-wise is the 3rd harmonic?
On Sat, Jan 9, 2010 at 11:41 AM, Steve Ellington n...@carolina.rr.com wrote:
The installation of the Rev D DSP board went smoothly. I updated the
firmware and all is well.
The first thing I noticed was how much louder the headphones (Bose 32 ohm)
I'm not sure about the db difference Guy. It would take me a while to get
set up to measure that. 73
Steve
N4LQ
n...@carolina.rr.com
- Original Message -
From: Guy Olinger K2AV olin...@bellsouth.net
To: Steve Ellington n...@carolina.rr.com
Cc: Elecraft@mailman.qth.net
Sent: Saturday,
Hi All,
Good initiative to do blind tests :-)
I only thought that quite a number of people had noise problems
specifically listening to voice modes.
Would it be an idea to also make a test with SSB noise samples?
73'
Paul
PD0PSB
This time, there are four recordings. Once again, all four
Regarding 3., I ordered one the first day that they became available and
have heard nothing yet as to when mine will be shipped.
Jerry AI6L
-Original Message-
From: Phil Hystad [mailto:k7...@comcast.net]
Sent: Friday, January 08, 2010 9:55 AM
To: Elecraft Discussion List
Subject:
The reason I mention this is that I recently went through a similar
troubleshooting exercise with a KRC2 where it was suggested that my USB-serial
device was bad, I should use the K3 AUX connector rather than RS232, I needed a
real serial port, etc. etc.
After jumping through all of these
Raymond,
You will need something to un-compress them.
Look here
http://www.gzip.org/index-f.html
73, Mike NF4L
Raymond METZGER wrote:
Hi,
There is a zipped downloadable version of the Reflector at QTH.net
The files have the following structure : year-month.txt.gz
How can I read the
Mike: I don't have any form of power supply. Fromnbsp;my brief discussion with
the tech over at Elecraft, he recommended thenbsp;RS-35A fromnbsp;Astron.
nbsp;
In this instance, I did look at the Western Mountain Radionbsp;unit you have
below.
nbsp;
I wanted to make sure I understand
Try WinRAR.
matt W6NIA
On Sat, 09 Jan 2010 12:23:24 -0500, you wrote:
Raymond,
You will need something to un-compress them.
Look here
http://www.gzip.org/index-f.html
73, Mike NF4L
Raymond METZGER wrote:
Hi,
There is a zipped downloadable version of the Reflector at QTH.net
The files
Thanks Davenbsp;
nbsp;
Original Message Subject: Re: [Elecraft] New K3 User and New
Ham From: David Herring-2 [via Elecraft]
lt;ml-node+4253158-204062...@n2.nabble.comgt; Date: Mon, January 04, 2010
9:12 pm To: KC2VNI lt;st...@smarrano.comgt; You might consider going with
As I recall it was RCA at the dawn of HI-FI who did a test using a
live orchestra and a physical passband filter to garner listener
response. The audience did not know whether the filter was in or not
The results were that people found the orchestra without the filter
sounded unnatural.
K2 SN #2825
73,
John Seney
WD1V [FN42gx]
www.wd1v.net
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K3 Serial No. 3813 joins K3 Serial No. 2783 on my radio desk. The 3813 K3
shipped from Aptos (or thereabouts) this last Monday. It has the LPF mod and
the new DSP board. Please understand that I have significant high and low
frequency hearing loss due to lots of loud noises in a past life.
Don et al:
I am referring to the front panel leds on the k2. My K2 is a QRP version with
no KAT100. I get the same indication with ATU CALS as i do with ATU CALP.
The KAT2 bridge must already be properly balanced since the X.X SWR display
shows 1 with a KAT2 tuning operation on a dummy
Eric,
Sorry, I misunderstood.
The K2 bargraph LEDs show only a relative power scale - they never can
indicate SWR. The SWR display during a TUNE operation will appear on
the K2 LCD display.
You will not see the SWR displayed during normal operation. If that is
what you want, you will have
I just finished an inventory of my K2 and I have a couple of quick questions.
1) For several of my SIP resistor packs, my part has an extra C in the
number. For example the manual will give the number as 770103471 and my part
is 103C471. Am I correct in assuming that these are the same?
2)
Thanks to those of you who responded. I'm now up and running. Much easier to
use in Data mode compared to LSB.
Cheers,
Terry Burbidge
G4MKP
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Help:
Is the spur at 3.9 KHz gone?
--- On Sat, 1/9/10, Steve Ellington n...@carolina.rr.com wrote:
From: Steve Ellington n...@carolina.rr.com
Subject: [Elecraft] K3 New DSP board installed
To: Elecraft@mailman.qth.net
Date: Saturday, January 9, 2010, 9:41 AM
The installation of the Rev D DSP board
How about the TX side. AFAI understand it should do
things to TX audio.
/ Jim SM2EKM
-
Wes Stewart wrote:
Is the spur at 3.9 KHz gone?
--- On Sat, 1/9/10, Steve Ellington n...@carolina.rr.com wrote:
From: Steve Ellington n...@carolina.rr.com
Subject: [Elecraft] K3 New
Paul,
Parts manufacturers often put extra numbers in the designation, some are
meaningful for the package configuration, but others are for some coding
used by the manufacturer. Just go by the last 3 digits - that is the
value code, 471 would be 47 followed by 1 zero, or 470 ohms.
On the
I am installing the 100 watt PA in the K3. In fact, I just finished and the
only steps are replacing the top and bottom cover panels. There is the step
where you place the PA board in place mating the two connectors to the KPAIO3
board. This is covered in the top part of page 16 of my KPA3
I can't comment on the TX side since I never use it except for a little
digital work. Also I have not seen any spurs. The headphone volume is the
only major change I've noticed. You would probably need two K3s with old and
new boards to really pin down what the differences are.
Right now I'm
Low Band experimenters might try using PRE and ATT enabled together.
In order of increasing RF gain I find my settings are: ATT on, both
ATT and PRE off (= normal), ATT and PRE on together for a modest gain
increase, and PRE on.
On 160M with weak DX, depending upon the noise floor, it often
Excellent responses, I have about 15 reports in so far.
I think you're going to love reading some of these reports. Plenty
of surprises. Not what I expected at all.
Anybody else want to take a stab at which is the K3 or want to change their
vote?
FYI Al. When I click on your link, my anti virus (AVG) pops up and warns
against a trojan horse virus.
Steve
N4LQ
n...@carolina.rr.com
- Original Message -
From: Al Lorona alor...@sbcglobal.net
To: Elecraft Reflector elecraft@mailman.qth.net
Sent: Saturday, January 09, 2010 11:14 AM
1. Elecraft KX-1 for sale
KX-1 with KXB3080, KXAT1, KXPD1 options built July 2009 by Don Wilhelm
and in excellent working condition. Serial 2234.
KX1 Ultra-Portable CW Xcvr Kit (20+40 m)$299.95
KXB3080 30/80 M Adapter for the KX1 $79.95
Do you want to hear SSB audio files then? well lets do it,click on this other
link,those MP3 were done all in my K3.Chose any station you like to hear.
http://www.ad4c.us/Elecraft%20K3/shared%20files%20from%20K3%20users/AD4C%20recordings%20on%20his%20K3/
AD4C
For a refined ham it is
Hi Gang,
The Elecraft SSB net will meet Sunday, January 10 at 1800Z on 14.314 MHz.
Mark, K4SO, in Virginia will be net control. Have a great one.
73,
Phil, NS7P
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Hi James,
Thanks for the help, time to place the order!
I've never built a kit radio before, so this is going to be a new
experience for me.
I'm hoping it isn't going to be too difficult :)
73
Mike.
M0AWS / F5VKM
http://www.f5vkm.com
On 9 Jan 2010, at 15:32, James Sarte wrote:
Hi Mike,
I submitted all 4 files to virustotal.com, which scans individual
files with 40 different virus/malware detectors (including AVG
8.5.0.430, updated 01/04/2010). None of the 40 scanners found
anything suspicious about any of the .wav files.
http://www.virustotal.com
73
--
Joe KB8AP
On Jan
I do have three PC's and one laptop at home all of them using professional
anti-virus and anti spyware programs,none of them show any sign of such a
Trojan virus,also I do have five PC's on my work office using also professional
protection software and none of them show anything wrong in all
There you go !!! Thanks Joe.
I wonder If he is trying to
AD4C
For a refined ham it is compulsory to own a k3
--- On Sun, 1/10/10, Joe Planisky jp...@jeffnet.org wrote:
From: Joe Planisky jp...@jeffnet.org
Subject: Re: [Elecraft] New Test
To: Steve
I fellow said Elecrafts ergonomics and packaging is not appealing enough for
most people despite its receiver performance. They could fix it by putting the
K3 into a bigger box with a decent front panel and more knobs, but they wont.
They wont because they are listening to the wrong people who
It's not difficult in that it's an assembly process, where you're
screwing things together and plugging pre-assembled boards together.
When I opened my kit, I was agog at the number of pieces there were.
It's very gratifying to see the pile diminish.
Sort the screws, nuts, and bolts, and
Randy,
I use my K3 probably 30+ hours per week and I find it superbly suited for my
purposes. A bigger box with more knobs I don't need but that's just me.
YMMV.
Tim K5OI/qrp
Ruidoso, NM
On Sat, Jan 9, 2010 at 6:41 PM, Randy Downs randyddo...@gmail.com wrote:
I fellow said Elecrafts
I use my K3 at least once a week... perhaps a few hours here or there. I
have two kids and work full time, so getting the air time is a nice treat.
I wouldn't mind having a bigger box with bigger knobs and a nice LCD to
boot, but my desk/shack won't permit it. See my shack picture on QRZ if
I didn't find any questions about marketing when I took my ham exams. I
think all that needs to be judged on the subject, is to look at sales vs
the time the K3 has been in production. Seems to me they're listening to
the crowd who's willing to reach for the hip pocket. How much smarter
Don't know about actual time but 90% the K3 and 10% my pristine TS-940S.
Mike-14 wrote:
I didn't find any questions about marketing when I took my ham exams. I
think all that needs to be judged on the subject, is to look at sales vs
the time the K3 has been in production. Seems to me
I need to connect my K2 to a PC using N1MM contest software, mainly for CW
use. I was getting ready to build an interface for a parallel port when I
saw that others have had timing problems and had to use something like a
Winkeyer interface instead. I don't want to bother building an interface if
If I would have been the one to decide on size, the height is just
fine with the bail up. I would have made it maybe an inch wider for
increased accessibility for my thick fingers which are marginally
thinner than my head.
I'm the kind of who finds cell phone keypads too small too...
As to
Hi John,
No, they don't. I used a suggestion made earlier on the reflector and looked
at the instruction for adding a grounding wire to the front panel microphone
jack. It is Front_Panel_Microphone_Grounding.pdf and can be found on the
Elecraft web site in the page named K3 Alerts,
Same here, but about 25 hours a week. Having sold an Orion and bought
the K3, I did it in part because of its nice size and ergonomics. I
love this radio, and I have only had it about a month now. But I guess
I am weird in that I still really like my K2...
Ci Jones, WU7R
Helena, MT
Avast antivirus Comodo firewall have no issues with it
Gary
KA1J
FYI Al. When I click on your link, my anti virus (AVG) pops up and
warns
against a trojan horse virus.
Steve
N4LQ
n...@carolina.rr.com
- Original Message -
From: Al Lorona alor...@sbcglobal.net
To: Elecraft
Sorry for the misspelling in the original message. It should have
started A fellow. He told me that a Big Gun would never buy a K3.
#1 due to not having 200w, #2 due to ergonomics. He basically said
that people that buy a K3 don't use it enough to not see the inherent
flaws in the layout, size
ELECRAFT K2 FOR SALE
Elecraft K2 built about 3 years ago by a professional builder and aligned 3
months ago by Don Wilheim.This is my backup radio,it look and works as new.No
issues at all with it.
It has the following boards and options:
K2Price at Elecraft………$ 689.95
Randy,
That is one man's opinion, and it is not shared by all. The K3
ergonomics went through a sizable focus group before final decisions on
such matters were made. Yes, that group was heavily influenced by
contesting types and DX types, and they seem to be the groups that will
purchase
As I am retired and planned on being on the air a lot I find I use my new
K3about 40 hours a week. I find the ergonomics and packaging perfect formy
use. Beauty is in the eye of the beholder.
Rick W3BI
Date: Sat, 9 Jan 2010 18:54:07 -0700
From: k...@arrl.net
To: randyddo...@gmail.com
CC:
My take:
35W drives my amp to 1.5KW on CW, can't see the value of a 200W
exciter.
The looks of my K3 are just beautiful. Not as good looking as my
girlfriend but it does just fine in the shack.
;)
Gary
KA1J
Sorry for the misspelling in the original message. It should have
started A
I sold a big rig in deference to the K3. Many of the big screen features
of the big rigs - and more, I'll wager - will be provided by the P3 at a
price which will *begin* to put the K3+P3 combo in the same league as the
big rigs but still with the performance advantages that many Elecraft
owners
Tom,
The timing problems are a product of the multitasking and interrupt
processing in Windows, and not a fault of the K2 (or K3). So the real
answer depends on the computer that you are using. If you are using a
dedicated computer to do the 'hamshack chores', and there is nothing
else
Hi Randy,nothing more away from the actual reality what your friend said.
He is obviously not updated with what is going on in the contesting and dxing
world of hamradio lately,IF he were then he sure will know that precisely the
Big guns as he call the major dxers on the world are all selling
Good Evening,
Weather has been soggy this week but today it was simply heavy fog. That
makes it easier to carry in the wood for the day. I have not seen any deer or
elk in quite some time. I think they are living far down in the valleys. The
Gray Jays are keeping me company so I give
Hi Gang,
I fully agree with Hector's comments, we have to know what we want ?
It has been explained many times in the reflector what was the Elecraft
politics, easy to carry rig for dxpeditions or field days with great
performance etc.etc...
By Hams, for Hams, that's the Ham spirit who has been a
There you go Phillip,and you should say also that ON4UN considered one of the
BIG GUN dxer in the world replaced his two Tentec Orions,another very high
performance radio for two K3's,that says it all.
Thanks for your comments and by the way I bet your dog dentist must be very
expensive,haha,73
G'day
It has been interested in reading the thread about a (or some) 'big gun'
contesters still preferring the classic FT-1000D over the Elecraft K3.
I used to have two FT-1000Ds (sold an FT-1000MP to buy the first one - the
FT-1000D's audio peaking filter and nicer receive audio gave it
Every day, sometimes 24 hours per day running WSPR. It is the most
amazing radio I have ever owned!
73, Doug W7RDP
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I also sold an FT-1000D that I bought new, and thought
it was a great radio, and it was ... until I got my K3.
Also sold an FT-990 and IC-756 PRO II at the same time.
Of course, I'm preaching to the choir here ...
73! Ken Kopp - K0PP
elecraftcov...@rfwave.net
http://tinyurl.com/7lm3m5
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