[Elecraft] Hope (for Sun spots) springs eternal

[Fred Atchley]

The California QSO party is just 23 days away. I'm really looking forward to
the first real baptism of fire for my K3. 

For information go to www.cqp.org  . If you are in
California, please "Register-Your-County".

 

See you there. 73, Fred

 

 

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Re: [Elecraft] Decoder for use with K3 and PW-1

[Joe Subich, W4TV]

> I'm looking for a decoder to use with my K3/PW-1.I 
> realize there are several options available but would 
> like input from someone actually using one before I buy. 

Unfortunately the PW-1 will only work with Icom serial 
(CI-V) data.  It does not respond to the old stepped 
DC voltage like the 2-KL and 4-KL.  

To the best of my knowledge there are only three devices 
currently in production that will translate non-Icom 
CAT data to Icom CI-V format.  They are the microHAM 
Station Master, microHAM microKEYER II and microHAM 
MK2R/MK2R+ (SO2R controller).  The discontinued microHAM 
micro Band Decoder will also provide a CI-V output if 
you can find one used.  

All of the microHAM devices provide multiple functions 
- they are not dedicated protocol converters - so they 
are not inexpensive.  

73, 

   ... Joe, W4TV 
 



> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of K4GM-George
> Sent: Wednesday, September 09, 2009 12:17 PM
> To: Elecraft@mailman.qth.net
> Subject: [Elecraft] Decoder for use with K3 and PW-1
> 
> 
> I'm looking for a decoder to use with my K3/PW-1.I 
> realize there are 
> several options available but would like input from someone actually 
> using one before I buy.  The PW-1 has sat unused since I 
> bought my K3. 
> Now that I have the bias mod installed I'm ready to focus on either 
> using or selling the PW-1. My L4B works so well and doesn't 
> need to go 
> to the shop every time I accidentally hit the remote head or the 
> outboard tuner arcs.  All comments appreciated.
> 
> K4GM- George 
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[Elecraft] K3 Resistance Check Failed

[Jim Harris]

Hi,

Yesterday I spent several hours assembling my new K3 to the point of resistance 
measurements on page 45 of the assembly manual.  U12 is reading 16-18 ohms 
instead of the specified >500ohms.  I've since exchanged emails with support 
with the usual tips on trying a different meter, reversing leads, checking 
connectors etc.  None have changed the readings.  I removed the front panel and 
separated the DSP board from the front panel board.  With the entire front 
panel removed the resistance is ~5 k ohms.  When plugging in only J51 (yes, 
very carefully) on the DSP board the resistance is again ~16 ohms.  Plugging in 
the other connectors on the two boards results in ~ 5 k ohms.  I've done a very 
through inspection of the RF and DSP boards and have found nothing at fault.  

I would appreciate any thoughts and ideas on how to reslove the problem.  

Thank you, have a good day and 73.

Jim, W0EM


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[Elecraft] W2 wattmeter status

[fulltimeham]

Does anyone know if Elecraft started shipping the W2 wattmeter yet?  The
shipping status page on their website said "Starts shipping 8/30 - 9/7"
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[Elecraft] Front load washer

[r miles]

In the 2 yr.s we've had a front loader I've experienced no  noise problem. In 9 
yr.s at this QTH I went thru 3 American brand top loaders.Poor construction & 
quality control. I was finally fed up and bought an LG [  S Korean  company]. 
Six months  ago I bought a new K3. At last I found a top of the line  product 
that was made in the USA. I wish all things I buy were as well made as my radio.
k9il 
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[Elecraft] Re： [K2] XV50 vs FT817?

[Johnny Siu]

Hello Peter,

XV50 + K2 is a high performer and FT817 is in no way comparable to this 
combination.  However, if you just look for convenience, FT817 is handy and 
will give you the flexibility of multi-band and mult-mode.

I used FT817 in the old days but eventually gave it up and replace it with my 
K2.  In a contest situation, FT817 will receive everything but you cannot 
select what you really want to hear.  K2 is definitely a go for contest when 
compared with FT817.

Of course, FT817 is much cheaper.

cheers,

Johnny VR2XMC





寄件人﹕ Peter Wollan 
收件人 Elecraft@mailman.qth.net
傳送日期﹕ 2009 年 9月 10 日 星期四 上午 3:14:52
主題： [Elecraft] [K2] XV50 vs FT817?

An XV50 + KIO2, adding on to a QRP K2, is getting within shouting
distance of the cost of an FT817.  Could someone comment on the
relative merits, for use as a first multimode VHF rig?  My guess is
that the XV50 is better, but does less.  In addition to just exploring
on CW and SSB, I'd want to participate in some VHF CW contests.

    Peter N8MHD
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  Yahoo!香港提供網上安全攻略，教你如何防範黑客! 請前往 http://hk.promo.yahoo.com/security/ 了解更多!
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Re: [Elecraft] K3 CW Auto Spot in 3.30 with NR turned on

[Lyle Johnson]

> I may have answered my own question. The signal amplitude drops with the 
> higher "F" settings and the dancing bar in the CWT display disappears more 
> quickly as I tune off frequency. When there is no visible dancing bar the 
> auto spot fails to work. There is no problem with stronger signals or if I 
> increase the filter bandwidth. My initial findings were with a 50Hz filter 
> bandwidth.
>   

As mentioned elsewhere, the F5-x through F8-x mix some unprocessed audio 
with processed audio.

Because the delay through the NR filtering is not deterministic, 
depending on pitch and other factors, you may notice an apparent boost 
in signal level at your chosen pitch, or a definite decrease in audio.  
The CWT is using audio information, so the observation you make is 
consistent with how the overall system works.  A different pitch may 
work differently at NR settings in the F5..F8 range.

In general, I suggest the use of F1..F4 for CW, especially if you intend 
to use the autospot feature.

73,

Lyle KK7P

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Re: [Elecraft] K3 CW Auto Spot in 3.30 with NR turned on

[K2MK]

I may have answered my own question. The signal amplitude drops with the 
higher "F" settings and the dancing bar in the CWT display disappears more 
quickly as I tune off frequency. When there is no visible dancing bar the 
auto spot fails to work. There is no problem with stronger signals or if I 
increase the filter bandwidth. My initial findings were with a 50Hz filter 
bandwidth.

73,
Mike K2MK

--
From: "K2MK" 
Sent: Wednesday, September 09, 2009 5:17 PM
To: "Elecraft Reflector" 
Subject: K3 CW Auto Spot in 3.30 with NR turned on

> I've been playing around with the NR filters in 3.30 and I have found that 
> the CW auto spot feature is not working for all of the NR settings. As an 
> example, I tried the dash "2" range in all 8 "F" settings. The auto spot 
> function works perfectly on:
> F1-2
> F2-2
> F3-2
> F4-2
> F5-2
>
> It does not work at all (it doesn't even try) on:
> F6-2
> F7-2
> F8-2
>
> I usually have the CWT threshold at 2 but I also tried it at 1 through 4 
> with the same results.
>
> 73,
> Mike K2MK 

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[Elecraft] K3 CW Auto Spot in 3.30 with NR turned on

[K2MK]

I've been playing around with the NR filters in 3.30 and I have found that 
the CW auto spot feature is not working for all of the NR settings. As an 
example, I tried the dash "2" range in all 8 "F" settings. The auto spot 
function works perfectly on:
F1-2
F2-2
F3-2
F4-2
F5-2

It does not work at all (it doesn't even try) on:
F6-2
F7-2
F8-2

I usually have the CWT threshold at 2 but I also tried it at 1 through 4 
with the same results.

73,
Mike K2MK 

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[Elecraft] antenna switch-

[william h droeger jr]

Hi Folks- Thanks to everybody that gave me ideas on antenna switches.   
I have some good options to ponder.  73's Skip KT9T
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Re: [Elecraft] antenna switch

[Donald Butler]

I've been using two B & W Model 594 switches in my shack for years.  They'll 
each handle legal limit power with good isolation and will switch either of 
two transceiver/amps to either of two antenna systems.  They look just like 
the more common Model 593 3 way switch ... a small rectangular grey box 
about 1 1/2" x 5" x 3" with rotary switch knob on the top and SO239s on the 
back.  Unfortunately they are no longer available, but I'm sure could be 
found on the used market.   And they do seem to last forever.

Don, N5LZ

- Original Message - 
From: "william h droeger jr" 
To: 
Sent: Wednesday, September 09, 2009 1:02 PM
Subject: [Elecraft] antenna switch


>  Hi folks- Anybody know of a good antenna coax switch that
> connects two different  transceivers to at least two different
> antennas? 73's Skip kt9t
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[Elecraft] OT: FLORIDA lIGHTENING

[Ken Kopp]

>From my NOAA days in St. Petersburg / Tampa where
we took a ship out into the middle of Tampa Bay for the
express purpose of attracting lightning strikes into our 
research equipment shelter on the stern. Like the reverse
of what we all try to prevent! (;-)

This area has the highest level of lightning strikes in the
western hemisphere. 

73! Ken Kopp - K0PP
 elecraftcov...@rfwave.net
 http://tinyurl.com/7lm3m5
 
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Re: [Elecraft] antenna switch

[Dick Dievendorff]

It's a good solution as well, and may met Skip's needs.

One important question to ask, however, is if you need the ability to
concurrently transmit on the two transmitters (SO2R or multi-rig
contesting).  This also involves band pass filtering.  A 2 x 6 switch like
the Array Solutions SixPak (and there are others, see Top Ten Devices
application notes as well) supports this concurrency.



Dick, K6KR


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Phil & Debbie Salas
Sent: Wednesday, September 09, 2009 1:16 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] antenna switch

"Hi folks- Anybody know of a good antenna coax switch that connects two 
different  transceivers to at least two different
antennas? 73's Skip kt9t"

The MFJ-4724 will switch any one of four radios to any one of four antennas.

I use a MFJ-4726 which does 6 radios to 6 antennas.  I have a review of the 
MFJ-4726 on my website at www.ad5x.com.

Phil - AD5X 

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Re: [Elecraft] antenna switch

[Phil & Debbie Salas]

"Hi folks- Anybody know of a good antenna coax switch that connects two 
different  transceivers to at least two different
antennas? 73's Skip kt9t"

The MFJ-4724 will switch any one of four radios to any one of four antennas. 
I use a MFJ-4726 which does 6 radios to 6 antennas.  I have a review of the 
MFJ-4726 on my website at www.ad5x.com.

Phil - AD5X 

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[Elecraft] OT: RFI from Front Loading Washing Machines

[Lu Romero]

Dave:

First and last comment to this OT thread, but I couldnt let
your comment go past me without a small challenge  :)

Obviously you have not lived for any appreciable time in
Central and Southern Florida, the lightning capital of the
world!

We have lost at least two TV sets, one dryer, multiple
computer monitors and other electronics to my Zap Cap
equipped home since I moved here from Pennsylvania in 1985. 
Up north, I never had a problem!  Havent lost a washer
though (famous last words as the 3:30pm thunderstorm clouds
begin to build...)

Its not just me, others in the neighborhood have as well. 
Our club recently lost an Astron 35, plus the Icom ID-800
that was attached to it, and we have what I consider a very
good grounding system.  ALL the rigs at the club are
disconnected from the antennas at our patch bay as well.

I have had several UPS's die to protect our connected
electronics at home and at work as well.  Commercial class
big ones like a 10kW Best Power Ferrups at our Tampa TV
transmitter site.  That one started a small fire.

At my former Television stations in FtMyers, it was a
regular occurence to replace parts of the transmitter remote
control system and WX radar after lightning strikes to both
our stations, even with high capacity isolation and streamer
dissipator systems on the tower, buildings and the Doppler
radar pedestal.

No matter how much you harden systems for lightning and try
to abate it with streamer dissipators and high capacity
grounding systems here, its gonna get you eventually. 
Mother nature is just that way here.

We live with this daily in the summer, and ARRL insurance is
a must here.

You have Earthquakes, Mudslides and Fires.  We have
Lightning and Hurricanes.

BTW, my ham station is directly adjecent to the laundry
area, with one of those office fiberglass filled partitions
between the laundry area and my op desk.  Our Sears Kenmore
washer's transmission makes a trememdous whining ruckus when
on spin, but otherwise, all is quiet on the power front. 
Same with the Sears Kenmore dryer.  

Worst operational issue is the noise when the washer is in
spin cycle and my wife is drying something hard.  Whine! 
Klunkedy Klunk!  Whine!

I have cultivated the headset habit.

Lu-W4LT
K3 #3192


Message: 10
Date: Tue, 08 Sep 2009 14:19:55 -0700
From: David Gilbert 
Subject: Re: [Elecraft] OT: RFI from Front Loading Washing
Machines
To: 'Elecraft Reflector' 
Message-ID: <4aa6ca7b.70...@cis-broadband.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed



I worked in the discrete semi industry (engineer and then
business 
manager) for thirty years, dealing with most of the major
appliance 
companies in Asia, Europe, and the U.S.  By their own
statements, the 
mechanical timer was far and away the most failure prone
component in 
any washing machine.  The appliance industry in general
resisted solid 
state controls for a long time due to inertia and tooling
investments, 
but the first area where they came to us actively seeking
help was to 
replace that damn mechanical timer.  They were just fed up
with the 
customer complaints and the high costs of in-warranty
service calls.

Aside from people like hams who have all sorts of tall metal
outside 
connected one way or another to their electrical ground
system, what 
percentage of people do you think have their washing
machines zapped by 
nearby lightning strikes?  I can pretty much guarantee that
it is a 
much, much smaller number than the percentage of mechanical
timers that 
failed in the old washing machines.

Dave   AB7E



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Re: [Elecraft] [K2] XV50 vs FT817?

[Bill W5WVO]

Peter,

There are no VHF CW contests, per se. There is usually some 50 MHz CW activity 
in the June ARRL VHF QSO party and the July CQ WW VHF contest, but this is 
probably about 10% or less of the activity level on SSB. DX chasing, on the 
other hand, is typically more fruitful on CW. But chasing 6 meter DX with QRP 
is 
an exercise in frustration. DX signal levels are simply too weak for QRP.

For 6m SSB, you will want at least 100W output into a decent directional 
antenna 
to be competitive in the Low Power category of ARRL VHF (up to 200W). There are 
no power categories in the CQ WW, so you're competing directly against the KWs 
in this one.

Bottom line -- Outside of extremely strong 50 MHz sporadic-E openings, "VHF" 
and 
"QRP" don't really go together that well, though some guys do seem to enjoy the 
challenge. For me, life is too short for 6m QRP. :-)  I enjoy making QSOs too 
much, I guess.

Good luck,
Bill W5WVO


Peter Wollan wrote:
> An XV50 + KIO2, adding on to a QRP K2, is getting within shouting
> distance of the cost of an FT817.  Could someone comment on the
> relative merits, for use as a first multimode VHF rig?  My guess is
> that the XV50 is better, but does less.  In addition to just exploring
> on CW and SSB, I'd want to participate in some VHF CW contests.
>
>Peter N8MHD
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Re: [Elecraft] antenna switch

[Dick Dievendorff]

http://www.arraysolutions.com/Products/sixpak.htm

Dick, K6KR


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of william h droeger jr
Sent: Wednesday, September 09, 2009 12:02 PM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] antenna switch

  Hi folks- Anybody know of a good antenna coax switch that  
connects two different  transceivers to at least two different  
antennas? 73's Skip kt9t 
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[Elecraft] [K2] XV50 vs FT817?

[Peter Wollan]

An XV50 + KIO2, adding on to a QRP K2, is getting within shouting
distance of the cost of an FT817.  Could someone comment on the
relative merits, for use as a first multimode VHF rig?  My guess is
that the XV50 is better, but does less.  In addition to just exploring
on CW and SSB, I'd want to participate in some VHF CW contests.

Peter N8MHD
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[Elecraft] antenna switch

[william h droeger jr]

  Hi folks- Anybody know of a good antenna coax switch that  
connects two different  transceivers to at least two different  
antennas? 73's Skip kt9t 
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[Elecraft] (no subject)

[William Carver]

set authenticate k6olg
set delivery on
end



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[Elecraft] K3, KXV3A - DEM transverters

[Bill Davis Jr]

 My first Elecraft is on order (K3). I plan a complete station rebuild around 
the K3/10 as an IF rig for 2,222,902,1296 and 10Ghz. I wish to use my current 
DEM (25w) 2m xverter with the KXV3A split RxTx @ about 10watts, for driving a 
2m amplifier as well as a much lower power for the IF for the DEM 902, 1296, 
10Ghz xverters. I have IF / Sequencer switching already for these bands using a 
single IF rig.

 For design purposes .. any suggestions or concerns? I will be building a 
"decoder" to identify the transverter band for IF control logic. 

 Direct email preferred ...

Thanks Bill  K0AWU EN37ed
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Re: [Elecraft] Decoder for use with K3 and PW-1

[K4GM-George]

You are probably right.  I installed the K3 ATU four months ago and 
since then have been totally spoiled by not having to manually tune  my 
external tuner from band to band.  Yes, the K3 drives the L4B perfectly 
but I still need to adjust the antenna tuner when using the L4B .  
Depending on how much a decoder costs I might just go for the gold and 
buy an automatic KW+ external tuner.  Tuning the L4B from band to band 
is no big deal.
K4GM- George


Wes Stewart wrote:
> George,
>
> Sounds like you answered your own question.
>
> I'm using either a TS-870SAT or a K3 with my L4B.  The '870's tuner 
> will even match the L4's input on the WARC bands and the L4 makes a 
> dandy "antenna tuner."
>
> Wes  N7WS
>
> --- On *Wed, 9/9/09, K4GM-George //* wrote:
>
>
> From: K4GM-George 
> Subject: [Elecraft] Decoder for use with K3 and PW-1
> To: Elecraft@mailman.qth.net
> Date: Wednesday, September 9, 2009, 10:17 AM
>
> I'm looking for a decoder to use with my K3/PW-1.I realize
> there are
> several options available but would like input from someone actually
> using one before I buy.  The PW-1 has sat unused since I bought my
> K3.
> Now that I have the bias mod installed I'm ready to focus on either
> using or selling the PW-1. My L4B works so well and doesn't need
> to go
> to the shop every time I accidentally hit the remote head or the
> outboard tuner arcs.  All comments appreciated.
>
> K4GM- George
>
>
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Re: [Elecraft] Decoder for use with K3 and PW-1

[Wes Stewart]

George,

Sounds like you answered your own question.

I'm using either a TS-870SAT or a K3 with my L4B.  The '870's tuner will even 
match the L4's input on the WARC bands and the L4 makes a dandy "antenna tuner."

Wes  N7WS

--- On Wed, 9/9/09, K4GM-George  wrote:

From: K4GM-George 
Subject: [Elecraft] Decoder for use with K3 and PW-1
To: Elecraft@mailman.qth.net
Date: Wednesday, September 9, 2009, 10:17 AM

I'm looking for a decoder to use with my K3/PW-1.    I realize there are 
several options available but would like input from someone actually 
using one before I buy.  The PW-1 has sat unused since I bought my K3. 
Now that I have the bias mod installed I'm ready to focus on either 
using or selling the PW-1. My L4B works so well and doesn't need to go 
to the shop every time I accidentally hit the remote head or the 
outboard tuner arcs.  All comments appreciated.

K4GM- George




  
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[Elecraft] Decoder for use with K3 and PW-1

[K4GM-George]

I'm looking for a decoder to use with my K3/PW-1.I realize there are 
several options available but would like input from someone actually 
using one before I buy.  The PW-1 has sat unused since I bought my K3. 
Now that I have the bias mod installed I'm ready to focus on either 
using or selling the PW-1. My L4B works so well and doesn't need to go 
to the shop every time I accidentally hit the remote head or the 
outboard tuner arcs.  All comments appreciated.

K4GM- George
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[Elecraft] SOC Marathon Sprint This Saturday

[Bob Patten]

   SECOND CLASS OPERATOR'S CLUB MARATHON SPRINT
   


SOC Marathon Sprint
Most sprints run four hours, but since we're Second Class Op's,
we need more time!

Date/Time: September 12, 2009, 1800Z through 2400Z


Exchange:  Member - RST, State/Province/Country, SOC Number
Non-Member - RST, State/Province/Country, Power Out

QSO Points:   Member = 5 Points
  Non-Member, Different Continent = 4 Points
   Non-Member, Same Continent = 2 Points

Multiplier:SPC (State/Province/Country) total for all bands.
The same station may be worked on more than one band for
QSO  points and SPC credit.

Power Multiplier:  0 - <250 mW = X 15
   250 mW - <1 Watt = X 10
  1 W - 5 W = X  7
   >5 W = X  1

Suggested Frequencies:

160 Meters 1810 KHz
  80 Meters 3560 KHz
  40 Meters 7030 KHz (and 7040 KHz)
  20 Meter 14060 KHz
  15 Meters21060 KHz
  10 Meters28060 KHz

Score:
Points (total for all bands) X SPCs (total for all bands) X Power Multiplier

Apply an additional multiplier of 1.5 if using a homebrew paddle (kits 
such as the NorCal and AZ ScQRPions paddles qualify).

All entries are Multi-Band to promote maximum participation.

Entry includes a copy of the log and a separate summary sheet.
Indicate total time-on-the-air, and include a legible name, call, SOC 
Number (if any) and address.  All entries must be received within 30 
days of the contest date.  The highest output power used will determine 
the power multiplier.  Include a description of homebrew  equipment 
(including paddle or key), commercial  equipment, and antennas used 
with each entry.

Results may be posted on QRP-L and on the SOC Website.  The final 
decision on all matters concerning the contest rests with the contest 
manager.  Entries are welcome via E-Mail to N4BP , 
or by snail mail to:

 Bob Patten, N4BP
 2841 N.W. 112 Terrace
 Plantation, FL  33323


-- 
73, Bob Patten, N4BPPlantation, FL

E-Mail :   n...@arrl.netWebsite: http://www.qsl.net/n4bp
SOC #1  ARS #799QRP ARCI #3412   FISTS #7871
FP #1491SMIRK #6625
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