[Elecraft] Question re KX2 and KXPA100

[James Rodenkirch]

I had that problem manifest itself on my KX3/KXPA100 system.

Double check that both ends of the KX3 to KXPA100 adapter cable (that little 
black box that is connected to the PA100 via the RJ45 connector) are completely 
mated/pushed in where they are inserted in the ACC1 and ACC2 jacks on the KX3...
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[Elecraft] Early Morning QRPing on 80 Meters

[James Rodenkirch]

Pete et al --- I'm on the low bands (160, 80 and 40) almost every morning from 
1200Z (or so) 'till 1400Z..80, in particular, is where my RBN reports are 
THE most promisingBUTvery seldom do I hear any QRPers on 3.560. Often, 
I get so bored with the little CW activity that I move to JT9/65 mode and 
usually have a ball working DX and stateside ops on 80 and 40...

I'll give a listen and toss a CQ or two over the coming days71.5/72 de 
Jim Rodenkirch

 
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Re: [Elecraft] KX3-KXPA100 operation

[James Rodenkirch]

One other item of interest - I do not have an ATU in the KX3 .. I  have an 
ATU at the out at input to the antenna


From: James Rodenkirch
Sent: Tuesday, January 31, 2017 7:16 PM
To: elecraft@mailman.qth.net
Subject: KX3-KXPA100 operation

I just connected my kx3 and a newly purchased kxpa100 (no KXAT100 ATU)...have 
control of pwr from milliwatts to 100 and asll seems to be working correctly 
exceptwhen in cw, the earphones on and the power set at 9 watts, I opted to 
increase power past 10 - when I did some noticeable amount of attenuation was 
introduced in the receiver (e.g. a P40 station registering S5 dropped to S1 
when power was increaseed past 10).

I must have something goofed up - suggestions sent offline ok...72 Jim 
Rodenkirch K9JWV
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[Elecraft] KX3-KXPA100 operation

[James Rodenkirch]

I just connected my kx3 and a newly purchased kxpa100 (no KXAT100 ATU)...have 
control of pwr from milliwatts to 100 and asll seems to be working correctly 
exceptwhen in cw, the earphones on and the power set at 9 watts, I opted to 
increase power past 10 - when I did some noticeable amount of attenuation was 
introduced in the receiver (e.g. a P40 station registering S5 dropped to S1 
when power was increaseed past 10).

I must have something goofed up - suggestions sent offline ok...72 Jim 
Rodenkirch K9JWV 
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[Elecraft] Random wire lengths for antennas

[James Rodenkirch]

Emory - before you cut any wire, go to the below url and peruse all of the info 
- unless you desire to operate have a 1/2 wavelength antenna (not a bad thing) 
and have a 1/2 wavelength tuner for the band of interest, mgo to the below url 
for recommended wire lengths that avoid 1/2 wave antenna lengths for the your 
bands of interest.  
 
http://www.hamuniverse.com/randomwireantennalengths.html

71.5/72 de Jimm Rodenkirch K9JWV
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[Elecraft] Anything to be "aware of" when connecting KX3 to new KXPA100?

[James Rodenkirch]

"Unless you plan to use two antennas connected to the amp, use the KXPA100
utility to disable Ant 2 so that you do not accidentally select it when
hitting auto tune.  If you decide to go add a second ant later on, you can
easily change it."

"hitting auto tune"? where? In/on the KX3 or the KXPA?

Jim R.
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[Elecraft] Anything to be "aware of" when connecting KX3 to new KXPA100?

[James Rodenkirch]

Just ordered the KXPA100 (no KXAT100) and KXPACBL cabling package -  so wonder 
if there are any "watch out for this" tidbits of info to be aware of when 
connecting the cabling and turning it on.

Offline replies ok...72 de Jim Rodenkirch K9JWV
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[Elecraft] Very short 80m antenna

[James Rodenkirch]

A couple of other "info sites to explore," Vic.

http://www.k7mem.com/Electronic_Notebook/antennas/shortant.html

http://www.qsl.net/vk3jeg/loadpole.html

http://www.qsl.net/vk3jeg/loadpole.html (good info on capacitive hats here)

72 de Jim Rodenkirch K9JWV
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[Elecraft] Very short 80m antenna

[James Rodenkirch]

Don't give up on the notion of a shortened vertical just yet, Vic.

Peruse this site and see if there is anything  that can help - 
http://www.arising.com.au/people/holland/ralph/shortvert.htm

72 de Jim Rodenkirch K9JWV
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[Elecraft] 160m Doings - not totally "flash mob" but all GREAT CW fun!

[James Rodenkirch]

If any of you would like to take another bite of the Topband apple, then be 
sure to join the 12th annual QRP 160m sprint sponsored by the North American 
QRP CW Club (NAQCC) that occurs in North America this coming Tuesday 
(repeat,TUESDAY evening, which coincides with the 40m Fox Hunt).  This two-hour 
sprint will begin at 0130Z, that being early Wednesday morning in western 
Europe.


See www.naqcc.info/contests.html for full 
details.  The NAQCC has close to 9,000 members, and over the past few years 
their 160m events have seen 45-50 log submissions from participating QRPers.

You can join the NAQCC for free and experience monthly 2 hour events, monthly 
"on the air challenges," etc.

72, Jim Rodenkirch K9JWV


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Re: [Elecraft] OT(sorta) Setting up KX3 for JT9 ops

[James Rodenkirch]

Tnx, Jim



Sent from my Verizon Wireless 4G LTE smartphone


 Original message 
From: James Bennett <w6...@me.com>
Date: 01/19/2017 10:16 AM (GMT-07:00)
To: James Rodenkirch <rodenkirch_...@msn.com>
Cc: Elecraft Reflector Reflector <elecraft@mailman.qth.net>
Subject: Re: [Elecraft] OT(sorta) Setting up KX3 for JT9 ops

HI Jim,

I use my KX3 for JT65, JT9, MSK144, and WSPR (in addition to PSK31 and lots of 
CW) - all the settings are the same on the KX3, other than the power output, 
which I change to meet band conditions. On WSPR I usually run it at 2 watts; 
MSK144 on 6 meters it runs 100 watts with the KXPA100.

Jim Bennett /W6JHB
Folsom, CA




> On Jan 19, 2017, at 5:20 AM, James Rodenkirch <rodenkirch_...@msn.com> wrote:
>
> Anyone operating JT(? If so, anything peculiar for setting up ALC in JT9 
> versus JT65??
>
> Offline replies "ok."
>
> Tnx, inn advance, for any info you can proffer - Jim R. K9JWV
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Re: [Elecraft] OT(sorta) Setting up KX3 for JT9 ops

[James Rodenkirch]

Question answered --- tnx to those who replied...


From: James Rodenkirch
Sent: Thursday, January 19, 2017 6:20 AM
To: elecraft@mailman.qth.net
Subject: OT(sorta) Setting up KX3 for JT9 ops

Anyone operating JT(? If so, anything peculiar for setting up ALC in JT9 versus 
JT65??

Offline replies "ok."

Tnx, inn advance, for any info you can proffer - Jim R. K9JWV
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[Elecraft] OT(sorta) Setting up KX3 for JT9 ops

[James Rodenkirch]

Anyone operating JT(? If so, anything peculiar for setting up ALC in JT9 versus 
JT65?? 

Offline replies "ok."

Tnx, inn advance, for any info you can proffer - Jim R. K9JWV
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[Elecraft] OT (sort of) -- went from WSJT-X vs 1.6 to vs 1.7 (have a KX3) and having problems...

[James Rodenkirch]

...first off my mea culpa entreaty 'cuz I lost documentation on vs 1.6 
"settings" and then loaded 1.7!

Could someone knowledgeable on moving from 1.6 to 1.7 contact me offline and 
help me get 1.7 working??? 

Thank you, in advance, for your assistance72 de Jim Rodenkirch K9JWV
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[Elecraft] Need help with getting WSJT X to continue working with my KX3

[James Rodenkirch]

Sent from my Verizon Wireless 4G LTE smartphone


I am receiving info needed to correct this problemtime sync may be off or 
intermittent.

I am using Dimension 4...may try something different.

Thanks to all who replied. Jim R. K9JWV


On 12/29/2016 9:17 AM, James Rodenkirch wrote:
>
> Problem: I   can turn on the KX3, start WSJT X 1.6 and commence decoding and 
> making QSOs.
>
> However, if I change to a different band, I can't make QSOs on that band or 
> go back to the original band and  make Qs.
>
> Adjusting ALC on the new band works...power out is the same, etc.
>
> Is there some magical "order of events" I'm not following?
>
> I use Dimension 4 time sync.
>
> Thoughts?? If you are knowledgeable on JT ops and system setup, we can take 
> the conversation  off line...
>
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[Elecraft] Need help with getting WSJT X to continue working with my KX3

[James Rodenkirch]

Problem: I   can turn on the KX3, start WSJT X 1.6 and commence decoding and 
making QSOs.

However, if I change to a different band, I can't make QSOs on that band or go 
back to the original band and  make Qs.

Adjusting ALC on the new band works...power out is the same, etc.

Is there some magical "order of events" I'm not following?

I use Dimension 4 time sync.

Thoughts?? If you are knowledgeable on JT ops and system setup, we can take the 
conversation  off line...

Thank you, in advance for any assistance72 de Jim Rodenkirch K9JWV
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Re: [Elecraft] Setting the KX3 up for JT65

[James Rodenkirch]

OK - couldn't figure out what I had done so opted tom use the kx3 utility to 
restore the latest config I hadBINGO!!

All is well.thanks to those that replied72 de Jim  R. K9JWV 


From: James Rodenkirch
Sent: Tuesday, December 20, 2016 6:06 AM
To: elecraft@mailman.qth.net
Subject: Setting the KX3 up for JT65

I’ve been away from JT65 ops with my KX3 for so long I forgot what to do…I have 
used t5he KX3 in JT65m before but been many months so need to restart.

I have WSJT running on my Microsoft Surface Pro 2 and haven’t messed with those 
at all, e.g., CAT, 8 data, 2 stop, etc.

The decode works well.

But, when I connect the audio from the computer to the mic in jack the kx3’s 
transmit light comes on and stays on. I’ve seen this before but forget what I 
am doing wrong…..I believe I’ve got something set wrong on the KX3 menu as my 
audio levels on the computer haven't been tampered with.

I asked Don Wilhelm for his thought via a separate e-mailm and he provided good 
info but didn't help - thanks, Don...now looking to see if someone has 
experienced these exact symptoms...

HELP!!! 72 de Jim Rodenkirch K9JW
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[Elecraft] Setting the KX3 up for JT65

[James Rodenkirch]

I’ve been away from JT65 ops with my KX3 for so long I forgot what to do…I have 
used t5he KX3 in JT65m before but been many months so need to restart.

I have WSJT running on my Microsoft Surface Pro 2 and haven’t messed with those 
at all, e.g., CAT, 8 data, 2 stop, etc.

The decode works well.

But, when I connect the audio from the computer to the mic in jack the kx3’s 
transmit light comes on and stays on. I’ve seen this before but forget what I 
am doing wrong…..I believe I’ve got something set wrong on the KX3 menu as my 
audio levels on the computer haven't been tampered with.

I asked Don Wilhelm for his thought via a separate e-mailm and he provided good 
info but didn't help - thanks, Don...now looking to see if someone has 
experienced these exact symptoms...

HELP!!! 72 de Jim Rodenkirch K9JW
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[Elecraft] K3s' KBPF3A and KTCX03

[James Rodenkirch]

1) Do I have this "right"??? The KBPF3A module adds general coverage down to 
100 khz AND provides a .5 milliwatt output for/on the 630 meter band??

2) Is anyone operating JT9/65 and/or WSPR successfully without the KTCX03  
(those are two of the modes I'll employ on 630 meters) 

72 de Jim R.  K9JWV 
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Re: [Elecraft] N1MM and KX3

[James Rodenkirch]

Why didn't you just purchase the USB interconnect cable, Bill? Add two 
interconnect audio cables for mic and headphone and you're wired for 
quadrasonic multiplexwell as far as utilizing your computer for contest 
logging and operating CW as well as JT9/65, PSK-31, etc. 


What am I missing??

71.5 de Jim R. K9JWV  

From: Nr4c 
Sent: Sunday, June 26, 2016 5:59 PM
To: Jim Rodenkirch
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] N1MM and KX3

When I got my KX3, I built a pair of transistor switches that fit in a DE-9 
shell. Added cables for RX/TX, PTT and CW KEYING and now it works just like a 
K3 with CAT, PTT and CW using DTR, and RTS from n1mm all from a standard KUSB 
that works with the K3.

Sent from my iPhone
...nr4c. bill


> On Jun 26, 2016, at 3:34 PM, Jim Rodenkirch  wrote:
>
> Here is my F1 macro for CW contests:
>
> F1 CQ, {CATA1ASCKY cq TEST * * test;}
>
> If I enter two "cqs"   {CATA1ASCKY cq cq TEST * * test;} the message is not
> sent...is that indicative of a limit on characters transferred 'tween N1MM
> and the KX3?
>
> Just tryin' to unnerstandtnx, in advance, for your reply -- Jim
> R K9JWV
>
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/N1MM-and-KX3-tp7619288.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] N1MM and KX3

[James Rodenkirch]

Well, FredI coulda listed it as F1 CQ, {CATA1ASC KY cq TEST * * test;}

Regardless, either "version" produces the same..adding the 2nd cq (for 
either 'version') results in nothing out of the KX3


From: Cady, Fred 
Sent: Sunday, June 26, 2016 1:58 PM
To: Jim Rodenkirch; elecraft@mailman.qth.net
Subject: Re: [Elecraft] N1MM and KX3

isn't it {cat1asc...} ?



From: Elecraft  on behalf of Jim Rodenkirch 

Sent: Sunday, June 26, 2016 1:34 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] N1MM and KX3

Here is my F1 macro for CW contests:

F1 CQ, {CATA1ASCKY cq TEST * * test;}

If I enter two "cqs"   {CATA1ASCKY cq cq TEST * * test;} the message is not
sent...is that indicative of a limit on characters transferred 'tween N1MM
and the KX3?

Just tryin' to unnerstandtnx, in advance, for your reply -- Jim
R K9JWV



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/N1MM-and-KX3-tp7619288.html
Sent from the Elecraft mailing list archive at Nabble.com.
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[Elecraft] Summer operating events

[James Rodenkirch]

Hey, it's tuff finding decent summer contesting "challenges" that are fun and 
don't occupy the ENTIRE weekend BUT, here's an upcoming event you might 
could enjoythe Summer Stew Perry 160 meter 'test.'

Go here for the details: http://www.kkn.net/stew/

Remember, QRP participants enjoy double the point value (one of the FEW events 
where the operators don't eschew weak signals!!! .the exchange is, simply, 
your 4-digit grid number - duh, how simple is that??

71.5/72 de Jim Rodenkirch K9JWV
  
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Re: [Elecraft] [KX3] Bands are open -- CW WPX is a great time to test-drive a new KX2

[James Rodenkirch]

Operating as a 160 single band QRP entry this time around...160, early this 
morning (0600Z) in s/w Utah, was in great shape, S3 noise level, solid copy on 
signalsyes, the rapid QSB is there but, just don't send cut numbers for 
crying out loud, HK1R was solid 579 in to s/w UT, worked Eric, NO3M, 
effortlessly).


BUT, as usual, few ops.guess people believe the low bands - 160 and 80 - 
aren't worth the time to even bother?!?!


Around 1200Z 80 meters was in GREAT shape  S1 noise level, KH6LC booming in 
here (worked him with 1 watt) and heard several JAs.sheesh, not as 
"populated," perhaps as during the fall/winter season butgosh...still a 
treat to hear good sigs from far away with about zero QRN).


Hope to hear and work y'all on top band early tomorrow and at 
sunrise.71.5/72 de Jim R. K9JWV


From: k...@yahoogroups.com  on behalf of Wayne Burdick 
n...@elecraft.com [KX3] 
Sent: Saturday, May 28, 2016 3:01 PM
To: Elecraft Reflector
Cc: k...@yahoogroups.com
Subject: [KX3] Bands are open -- CW WPX is a great time to test-drive a new KX2



Things are jumping, even on the high bands. Lots of DX on 15 and 20 m, and I 
just worked Uruguay on 10 m (10 watts, internal battery, dipole :)

Get thee to a shack nearby and Operate :)

73,
Wayne
N6KR


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Re: [Elecraft] ID'ing small 4 pin male connector on the bottom of the KX3

[James Rodenkirch]

That beez it, Ken...to all I have them answer and thanks to all that 
responded...



From: Ken G Kopp <kengk...@gmail.com>
Sent: Wednesday, May 11, 2016 7:24 AM
To: James Rodenkirch JamesR; elecraft@mailman.qth.net
Subject: Re: [Elecraft] ID'ing small 4 pin male connector on the bottom of the 
KX3


Are you asking about the connector for the keyer paddle assembly?

73

K0PP
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Re: [Elecraft] Feedline loss w/wo tuner (was Sherwood's receiver performance table updated)

[James Rodenkirch]

Annnd, at lower freqs/bands it means less losseven at QRPp or QRP 
levels, not that big a deal


Ken, et all: with my auto tuner at the base of my Inverted U (view my qrz dot 
com page for a wiring schema) and 120' of LMR 400 coax the maximum VSWR my KX3 
ever shows is 1.6:1 (from 160 through 15). THAT's my foci and resulting mantra 
"No auto tuner or tuner or whatever in the shack!!"



From: Ken K6MR <k...@outlook.com>
Sent: Wednesday, April 27, 2016 12:52 PM
To: James Rodenkirch; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Feedline loss w/wo tuner (was Sherwood's receiver 
performance table updated)


Title changed.  Hopefully I’ll get this in before Eric puts the ax down :^)



Your example is a perfect case: 120’ of LMR400 has 0.6 dB loss @ 14 MHz. With a 
5:1 SWR the additional loss is 0.75 dB.  Which is roughly the difference 
between 100 watts and 120 watts.



Noticeable on the air? I doubt it.



Somewhere in the past hams have become obsessed with SWR.  With a 2:1 SWR on a 
feedline with a matched loss of 3.0 dB (which is a bit extreme) there is an 
additional 0.35 dB of loss. It’s just not big enough to worry about.



Of course now that we all have solid state finals 2:1 can be a problem. But a 
tuner in the shack is a completely reasonable and efficient way to deal with it.



Now back to your regularly scheduled touch screen/IC7300 discussion…



Ken K6MR







From: James Rodenkirch<mailto:rodenkirch_...@msn.com>
Sent: Wednesday, April 27, 2016 11:16
To: Ken K6MR<mailto:k...@outlook.com>; 
elecraft@mailman.qth.net<mailto:elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Sherwood's receiver performance table updated



Ken - I thought my "note"/reply was focused on long runs with low SWR (as in, 
for instance, a 120' run of LMR-400 with an auto tuner at the base of the 
vertical or whatever antenna)..


Let's leave radial/ground shield and counterpoise discussion for another 
timesmiling!!


71.5/72 Jimm R.




From: Ken K6MR <k...@outlook.com>
Sent: Wednesday, April 27, 2016 12:10 PM
To: James Rodenkirch; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Sherwood's receiver performance table updated


No problem. Yes, open wire line has its own problems. I was reacting to your 
note regarding using short runs of coax operated at high SWR. There is nothing 
inherently inefficient about doing so. Like any design it’s easy to run the 
numbers to determine what the actual losses are. Many times they are just too 
small to worry about. Especially in the case of verticals, the ground losses 
will be far higher unless you invest in an excellent radial/ground shield 
underneath it. The tuner can’t help that.



Ken K6MR







From: James Rodenkirch<mailto:rodenkirch_...@msn.com>
Sent: Wednesday, April 27, 2016 11:01
To: Ken K6MR<mailto:k...@outlook.com>; 
elecraft@mailman.qth.net<mailto:elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Sherwood's receiver performance table updated



Did not mean to sound argumentative, Ken.apologize if it came out that 
wayI am "involved" in this discussion becuz' of Don's initial post about 
new hams not understanding the advantageous aspects of open wire feed line



From: James Rodenkirch
Sent: Wednesday, April 27, 2016 10:38 AM
To: Ken K6MR; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sherwood's receiver performance table updated


It is not "the principle behind the use of open  wire feed line," Ken IF, I 
place an antenna auto tuner at the base of, for instance, a vertical and feed 
the tuner with low loss coax


I understand the use of open wire feed line and an ATU prior to attaching to 
the xmtrBUT...see above - works as well, if not better 'cuz I don't have to 
worry about the open wire feed line running too close to metal objects...




From: Ken K6MR <k...@outlook.com>
Sent: Wednesday, April 27, 2016 9:36 AM
To: Jim Rodenkirch; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Sherwood's receiver performance table updated


“P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
make it "ok" to have the ATU in the shack while operating an antenna on
multiple bandswhat technical evidence of that posit do you have to
share”



Jim:



Google “transmission line bounce diagram”. This is a simple concept easily 
proven by mathematics.



On a practical level, this is the concept behind the use of open wire feed 
lines. It’s been done for decades. The type of feed line does not change the 
theory.



Ken K6MR












From: Jim Rodenkirch<mailto:rodenkirch_...@msn.com>
Sent: Wednesday, April 27, 2016 06:21
To: elecraft@mailman.qth.net<mailto:elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Sherwood's receiver performance table

Re: [Elecraft] Sherwood's receiver performance table updated

[James Rodenkirch]

Ken - I thought my "note"/reply was focused on long runs with low SWR (as in, 
for instance, a 120' run of LMR-400 with an auto tuner at the base of the 
vertical or whatever antenna)..


Let's leave radial/ground shield and counterpoise discussion for another 
timesmiling!!


71.5/72 Jimm R.




From: Ken K6MR <k...@outlook.com>
Sent: Wednesday, April 27, 2016 12:10 PM
To: James Rodenkirch; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Sherwood's receiver performance table updated


No problem. Yes, open wire line has its own problems. I was reacting to your 
note regarding using short runs of coax operated at high SWR. There is nothing 
inherently inefficient about doing so. Like any design it’s easy to run the 
numbers to determine what the actual losses are. Many times they are just too 
small to worry about. Especially in the case of verticals, the ground losses 
will be far higher unless you invest in an excellent radial/ground shield 
underneath it. The tuner can’t help that.



Ken K6MR







From: James Rodenkirch<mailto:rodenkirch_...@msn.com>
Sent: Wednesday, April 27, 2016 11:01
To: Ken K6MR<mailto:k...@outlook.com>; 
elecraft@mailman.qth.net<mailto:elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Sherwood's receiver performance table updated



Did not mean to sound argumentative, Ken.apologize if it came out that 
wayI am "involved" in this discussion becuz' of Don's initial post about 
new hams not understanding the advantageous aspects of open wire feed line....


____
From: James Rodenkirch
Sent: Wednesday, April 27, 2016 10:38 AM
To: Ken K6MR; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sherwood's receiver performance table updated


It is not "the principle behind the use of open  wire feed line," Ken IF, I 
place an antenna auto tuner at the base of, for instance, a vertical and feed 
the tuner with low loss coax


I understand the use of open wire feed line and an ATU prior to attaching to 
the xmtrBUT...see above - works as well, if not better 'cuz I don't have to 
worry about the open wire feed line running too close to metal objects...




From: Ken K6MR <k...@outlook.com>
Sent: Wednesday, April 27, 2016 9:36 AM
To: Jim Rodenkirch; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Sherwood's receiver performance table updated


“P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
make it "ok" to have the ATU in the shack while operating an antenna on
multiple bandswhat technical evidence of that posit do you have to
share”



Jim:



Google “transmission line bounce diagram”. This is a simple concept easily 
proven by mathematics.



On a practical level, this is the concept behind the use of open wire feed 
lines. It’s been done for decades. The type of feed line does not change the 
theory.



Ken K6MR












From: Jim Rodenkirch<mailto:rodenkirch_...@msn.com>
Sent: Wednesday, April 27, 2016 06:21
To: elecraft@mailman.qth.net<mailto:elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Sherwood's receiver performance table updated



"It all depends" is/was the premise for my reply, Don.

 If new and old hams don't understand the potential problems with long runs
of coax to/from an antenna they want to operate on multiple bands and an ATU
in the shack they will be surprised at how inefficient their system is.

P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
make it "ok" to have the ATU in the shack while operating an antenna on
multiple bandswhat technical evidence of that posit do you have to
share

Note 1: I had a 43' vertical with top loading wires in a NORD-style config
with my external ATU at the base of the vertical and 120' of coax back to
the shack  never saw a VSWR delta of more than .2 between what was
"seen" at the input to the tuner and what was "seen" at the xmtr while
operating on 160 through 20 meters.



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Sherwood-s-receiver-performance-table-updated-tp7616652p7616802.html
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Re: [Elecraft] Sherwood's receiver performance table updated

[James Rodenkirch]

I agree the theory works, Ken, and your reference of/to John Devoldere's book 
is timely - it sets on my desk right nowI'll rummage through the 
appropriate chapter(s) to ensure I am not "out on a limb" here71.5/72 de 
K9JWV


P.S. I've stayed away from open wire line simply 'cuz a) difficult to run long 
lengths at my QTH and b) can't avoid running it very close to metal at three 
points 'tween the base of my antenna and the shack.


P.S.S. I stated earlier I experience .2 delta in measured VSWR at the input to 
the tuner and at the coax end plugged in to my KX3 -make .4 db delta, depending 
on the band in use...





From: Ken K6MR <k...@outlook.com>
Sent: Wednesday, April 27, 2016 11:31 AM
To: James Rodenkirch; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Sherwood's receiver performance table updated


But the theory works whether you have open wire line or coax: the additional 
loss due to SWR on the feedline is only a function of the matched feedline 
loss. There is a good graph in ON4UNs book (and probably others) that shows the 
additional loss caused by SWR vs. matched line loss. For example, a 5:1 SWR on 
a line with 0.5 dB matched loss results in an additional 0.6 dB of loss. The 
type of feedline is immaterial.  Is 0.6 dB worth installing a tuner at the 
antenna given the added complexity? Maybe. Maybe not. It’s all a matter of $/dB.



Ken K6MR







From: James Rodenkirch<mailto:rodenkirch_...@msn.com>
Sent: Wednesday, April 27, 2016 09:38
To: Ken K6MR<mailto:k...@outlook.com>; 
elecraft@mailman.qth.net<mailto:elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Sherwood's receiver performance table updated



It is not "the principle behind the use of open  wire feed line," Ken IF, I 
place an antenna auto tuner at the base of, for instance, a vertical and feed 
the tuner with low loss coax


I understand the use of open wire feed line and an ATU prior to attaching to 
the xmtrBUT...see above - works as well, if not better 'cuz I don't have to 
worry about the open wire feed line running too close to metal objects...




From: Ken K6MR <k...@outlook.com>
Sent: Wednesday, April 27, 2016 9:36 AM
To: Jim Rodenkirch; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Sherwood's receiver performance table updated


“P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
make it "ok" to have the ATU in the shack while operating an antenna on
multiple bandswhat technical evidence of that posit do you have to
share”



Jim:



Google “transmission line bounce diagram”. This is a simple concept easily 
proven by mathematics.



On a practical level, this is the concept behind the use of open wire feed 
lines. It’s been done for decades. The type of feed line does not change the 
theory.



Ken K6MR












From: Jim Rodenkirch<mailto:rodenkirch_...@msn.com>
Sent: Wednesday, April 27, 2016 06:21
To: elecraft@mailman.qth.net<mailto:elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Sherwood's receiver performance table updated



"It all depends" is/was the premise for my reply, Don.

 If new and old hams don't understand the potential problems with long runs
of coax to/from an antenna they want to operate on multiple bands and an ATU
in the shack they will be surprised at how inefficient their system is.

P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
make it "ok" to have the ATU in the shack while operating an antenna on
multiple bandswhat technical evidence of that posit do you have to
share

Note 1: I had a 43' vertical with top loading wires in a NORD-style config
with my external ATU at the base of the vertical and 120' of coax back to
the shack  never saw a VSWR delta of more than .2 between what was
"seen" at the input to the tuner and what was "seen" at the xmtr while
operating on 160 through 20 meters.



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Sherwood-s-receiver-performance-table-updated-tp7616652p7616802.html
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Re: [Elecraft] Sherwood's receiver performance table updated

[James Rodenkirch]

Did not mean to sound argumentative, Ken.apologize if it came out that 
wayI am "involved" in this discussion becuz' of Don's initial post about 
new hams not understanding the advantageous aspects of open wire feed line


____
From: James Rodenkirch
Sent: Wednesday, April 27, 2016 10:38 AM
To: Ken K6MR; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sherwood's receiver performance table updated


It is not "the principle behind the use of open  wire feed line," Ken IF, I 
place an antenna auto tuner at the base of, for instance, a vertical and feed 
the tuner with low loss coax


I understand the use of open wire feed line and an ATU prior to attaching to 
the xmtrBUT...see above - works as well, if not better 'cuz I don't have to 
worry about the open wire feed line running too close to metal objects...




From: Ken K6MR <k...@outlook.com>
Sent: Wednesday, April 27, 2016 9:36 AM
To: Jim Rodenkirch; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Sherwood's receiver performance table updated


"P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
make it "ok" to have the ATU in the shack while operating an antenna on
multiple bandswhat technical evidence of that posit do you have to
share"



Jim:



Google "transmission line bounce diagram". This is a simple concept easily 
proven by mathematics.



On a practical level, this is the concept behind the use of open wire feed 
lines. It's been done for decades. The type of feed line does not change the 
theory.



Ken K6MR












From: Jim Rodenkirch<mailto:rodenkirch_...@msn.com>
Sent: Wednesday, April 27, 2016 06:21
To: elecraft@mailman.qth.net<mailto:elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Sherwood's receiver performance table updated



"It all depends" is/was the premise for my reply, Don.

 If new and old hams don't understand the potential problems with long runs
of coax to/from an antenna they want to operate on multiple bands and an ATU
in the shack they will be surprised at how inefficient their system is.

P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
make it "ok" to have the ATU in the shack while operating an antenna on
multiple bandswhat technical evidence of that posit do you have to
share

Note 1: I had a 43' vertical with top loading wires in a NORD-style config
with my external ATU at the base of the vertical and 120' of coax back to
the shack  never saw a VSWR delta of more than .2 between what was
"seen" at the input to the tuner and what was "seen" at the xmtr while
operating on 160 through 20 meters.



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Sherwood-s-receiver-performance-table-updated-tp7616652p7616802.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Sherwood's receiver performance table updated

[James Rodenkirch]

Wowlots of good stuff emanating from this discussion - tnx to all for 
participating

For Jerry - there are other reasons for employing an ATU in the shack - e.g., 
using open wire line feed line from the antenna back to the xmtr. 

_
From: Jerry 
Sent: Wednesday, April 27, 2016 10:10 AM
To: Ken K6MR
Cc: Jim Rodenkirch; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sherwood's receiver performance table updated

I always thought the ATU in the shack was specifically to allow operation where 
there's an impedance mismatch (not necessarily non-resonant) specifically to 
protect solid state equipment from the high voltages that can be present.

Obviously an antenna system can be resonant and still not match impedance of 
the feed line and/or Radio.

Sent from my iPad

> On Apr 27, 2016, at 11:36 AM, Ken K6MR  wrote:
>
> “P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
> make it "ok" to have the ATU in the shack while operating an antenna on
> multiple bandswhat technical evidence of that posit do you have to
> share”
>
> Jim:
>
> Google “transmission line bounce diagram”. This is a simple concept easily 
> proven by mathematics.
>
> On a practical level, this is the concept behind the use of open wire feed 
> lines. It’s been done for decades. The type of feed line does not change the 
> theory.
>
> Ken K6MR
>
>
>
>
>
>
> From: Jim Rodenkirch
> Sent: Wednesday, April 27, 2016 06:21
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Sherwood's receiver performance table updated
>
> "It all depends" is/was the premise for my reply, Don.
>
> If new and old hams don't understand the potential problems with long runs
> of coax to/from an antenna they want to operate on multiple bands and an ATU
> in the shack they will be surprised at how inefficient their system is.
>
> P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
> make it "ok" to have the ATU in the shack while operating an antenna on
> multiple bandswhat technical evidence of that posit do you have to
> share
>
> Note 1: I had a 43' vertical with top loading wires in a NORD-style config
> with my external ATU at the base of the vertical and 120' of coax back to
> the shack  never saw a VSWR delta of more than .2 between what was
> "seen" at the input to the tuner and what was "seen" at the xmtr while
> operating on 160 through 20 meters.
>
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/Sherwood-s-receiver-performance-table-updated-tp7616652p7616802.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
> Elecraft mailing list
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> Message delivered to k...@outlook.com
> __
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Re: [Elecraft] Sherwood's receiver performance table updated

[James Rodenkirch]

It is not "the principle behind the use of open  wire feed line," Ken IF, I 
place an antenna auto tuner at the base of, for instance, a vertical and feed 
the tuner with low loss coax


I understand the use of open wire feed line and an ATU prior to attaching to 
the xmtrBUT...see above - works as well, if not better 'cuz I don't have to 
worry about the open wire feed line running too close to metal objects...




From: Ken K6MR 
Sent: Wednesday, April 27, 2016 9:36 AM
To: Jim Rodenkirch; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Sherwood's receiver performance table updated


"P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
make it "ok" to have the ATU in the shack while operating an antenna on
multiple bandswhat technical evidence of that posit do you have to
share"



Jim:



Google "transmission line bounce diagram". This is a simple concept easily 
proven by mathematics.



On a practical level, this is the concept behind the use of open wire feed 
lines. It's been done for decades. The type of feed line does not change the 
theory.



Ken K6MR












From: Jim Rodenkirch
Sent: Wednesday, April 27, 2016 06:21
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sherwood's receiver performance table updated



"It all depends" is/was the premise for my reply, Don.

 If new and old hams don't understand the potential problems with long runs
of coax to/from an antenna they want to operate on multiple bands and an ATU
in the shack they will be surprised at how inefficient their system is.

P.S. I don't subscribe to the notion that quality coax runs of < 150 feet
make it "ok" to have the ATU in the shack while operating an antenna on
multiple bandswhat technical evidence of that posit do you have to
share

Note 1: I had a 43' vertical with top loading wires in a NORD-style config
with my external ATU at the base of the vertical and 120' of coax back to
the shack  never saw a VSWR delta of more than .2 between what was
"seen" at the input to the tuner and what was "seen" at the xmtr while
operating on 160 through 20 meters.



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Sherwood-s-receiver-performance-table-updated-tp7616652p7616802.html
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[Elecraft] K1 (still) a classic!

[James Rodenkirch]

Absolutely a fun radio, Curt --- one slight caveat, though...


Any radio is truly "fun" 'cuz/as band conditions/propagation AND one's "to some 
degree, efficient" antenna allow(s).


71.5/72 de Jim Rodenkirch K9JWV



From: "Curt"  Date: 2016-04-02 
21:20:30 Message-ID: 
AA1C92DD77DB4320B17CD8D21B038374 () 
DB1B1VF1 
[Download message RAW]

I got K1-4 s/n 2258 (40, 30, 20, 15) out of the drawer yesterday, hadn't used 
it in about a year.  With wire antenna on 30M, QSO with AL at 1W.  Then on 15M, 
QSO with FL at 5, 1, and 0.1W (!).  Then ragchew with op in CA using 5W.  His 
yagi helped no doubt.

Had forgotten what a fun, capable radio the K1 is, too bad the 4-band filters 
are no longer available.

72 Curt KB5JO

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[Elecraft] Ok......I've lost the 17 meter band on my KX3

[James Rodenkirch]

So, I must have pushed some button incorrectly but.no 17 meters as I go 
through the band changes.sheesh, how do I resurrect 17 meters?


72 de Jim Rodenkirch K9JWV
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Re: [Elecraft] Ok......I've lost the 17 meter band on my KX3

[James Rodenkirch]

OK.found BND MAP in the menu and set 18 to "in"  Thank you, Tom and 
Sean...



From: Sean Donovan <sean.patrick.dono...@gmail.com>
Sent: Friday, March 18, 2016 8:19 AM
To: James Rodenkirch
Cc: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] Ok..I've lost the 17 meter band on my KX3

http://www.elecraft.com/manual/E740163%20KX3%20Owner's%20man%20Rev%20B4.pdf - 
Page 37, BND_MAP option

Odds are you accidentally turned off 17M in the bandmap

On Fri, Mar 18, 2016 at 10:03 AM, James Rodenkirch 
<rodenkirch_...@msn.com<mailto:rodenkirch_...@msn.com>> wrote:
So, I must have pushed some button incorrectly but.no 17 meters as I go 
through the band changes.sheesh, how do I resurrect 17 meters?


72 de Jim Rodenkirch K9JWV
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sean.patrick.donovan+...@gmail.com<mailto:sean.patrick.donovan%2b...@gmail.com>

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Re: [Elecraft] Craig KD0TXL...best antenna

[James Rodenkirch]

Conflating narrow bandwidth with high efficiency isn't a good thing to do, 
necessarily. Efficient 160 verticals across the band can be realized if one 
"fattens the radiating element."



Sent from my Verizon Wireless 4G LTE smartphone


 Original message 
From: Jerry Moore 
Date: 12/08/2015 11:14 AM (GMT-07:00)
To: Jim Rodenkirch , elecraft@mailman.qth.net
Subject: Re: [Elecraft] Craig KD0TXL...best antenna

Oh and for the record, high efficiency antennas have narrow bandwidth. This may 
be desired depending on your needs. For most we need wide bandwidth because we 
work the bottom and top of the band. Inverted v antennas are nice due to being 
omnidirectional but are more susceptible to man-made nose. Dipoles are 
bidirectional. The arrl antenna books are well worth the cost.

On December 8, 2015 12:48:16 PM EST, Jim Rodenkirch  
wrote:

Anyone touting a 7 band, no tuner required antenna as efficient and a real
barn burner failed to completeno, no, no, nomake that failed to even
start the Antenna Basics 101 course of instruction!

Sheesh..





--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Craig-KD0TXL-best-antenna-tp7611237p7611260.html
Sent from the Elecraft mailing list archive at Nabble.com.


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--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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Re: [Elecraft] How to make the KX3 controlled by logging soft ware like N1MM??

[James Rodenkirch]

Tnx to all that replied - and, now, I can control the KX3 with N1MM  
INCLUDING keying the KX3 via F key macros, in CW, with just the USB to serial 
cable.AWESUM!!!


71.5/72 de Jim Rodenkirch K9JWV
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Re: [Elecraft] How to make the KX3 controlled by logging

[James Rodenkirch]

Tnx to all that replied - and, now, I can control the KX3 with N1MM  
INCLUDING keying the KX3 via F key macros, in CW, with just the USB to serial 
cable.AWESUM!!!


71.5/72 de Jim Rodenkirch K9JWV
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Re: [Elecraft] How to make the KX3 controlled by logging sofftware like N1MM??

[James Rodenkirch]

Bob - N3MNT 

You replied, The KX3 interfaces seamlessly with N1MM+ for both logging and 
sending CW
memory locations. It tracks freq and band and mode."

Absolutely correct...but...with only one cable into the ACC-1 plug - from my 
USB connection I cannot key the radio!!



72...Jim R.  
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Re: [Elecraft] How to make the KX3 controlled by logging sofftware like N1MM??

[James Rodenkirch]

Don - my bad.I should NOT have assumed, by stating "Just to clarify - I am 
attempting to make N1MM contesting software interface with my 
KX3," that anyone but me would have made the "connection" of frequency/mode 
with keying the KX3...again my bad!!

72 de Jim R. K9JWV





From: Don Wilhelm <w3...@embarqmail.com>
Sent: Monday, November 30, 2015 11:56 AM
To: James Rodenkirch
Cc: Dale Putnam
Subject: Re: [Elecraft] How to make the KX3 controlled by logging soft ware 
like N1MM??

Jim,

Keying is an entirely different situation than attempting to use the rig
control features of N1MM that you asked about.  Such nit-picking is
necessary for clarity in my mind - i.e. controlling the KX3 does not
include keying it.

I believe N1MM allows you to set up a different COM port for keying
separate from the rig control (I don't know that for sure because I do
not use N1MM).
If it insists on using the same COM port and uses RTS or DTR for keying,
you cannot use the KXUSBa cable since you cannot get to the RTS or DTR
signals.
Instead use a USB to serial adapter (the Elecraft KUSB is recommended) -
and obtain the KXSERa cable (Serial to KX3 cable).
Then from the KUSB cable, break out the RTS or DTR signals and make up a
"simple one transistor keying circuit" (do web search for details) and
use the output of that keying circuit to key the KX3.

If N1MM does allow you to use a different COM port for keying, you still
need that different COM port (or USB to serial adapter) - apply the RTS
or DTR signals in that port to the one transistor keying circuit and
take the output of that circuit to the KX3 key jack.

73,
Don W3FPR

On 11/30/2015 1:25 PM, James Rodenkirch wrote:
> Don - I can change bands with N1MM BUT when I select the F1 CQ button I get 
> this -- "no CW port is selected in Config"
>
> 
> From: Don Wilhelm <w3...@embarqmail.com>
> Sent: Monday, November 30, 2015 11:20 AM
> To: James Rodenkirch; elecraft@mailman.qth.net
> Subject: Re: [Elecraft] How to make the KX3 controlled by logging sofftware 
> like N1MM??
>
> James,
>
> The KX3 comes with the KXUSBa cable (USB to 3.5mm plug).
> When connected to a computer, that cable will be assigned a virtual
> serial port by the computer - just like any other USB to serial device.
> Plug that cable into the KX3 (or the PX3 if you have it) and tell
> whatever software application you are using to use whichever COM port
> has been assigned by the computer.  No other things should be needed.
>
> 73,
> Don W3FPR
>
> On 11/30/2015 12:40 PM, James Rodenkirch wrote:
>> How do you control the KX3 with N1MM???
>>
>>
>> Do I need another device like this SUCCI??  
>> http://www.kotarov.com/projects/succi
>>
>>
>

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Re: [Elecraft] How to make the KX3 controlled by logging sofftware like N1MM??

[James Rodenkirch]

Just to clarify - I am attempting to make N1MM contesting software interface 
with my KX3.



From: James Rodenkirch
Sent: Monday, November 30, 2015 10:44 AM
To: elecraft@mailman.qth.net
Subject: Re: How to make the KX3 controlled by logging sofftware like N1MM??


ORis there a logging program that DOES work with the serial to USB cable 
only


Tnx, in advance, for any help you can proffer...feel free to contact me off 
line -- rodenkirch_...@msn.com


71.5/72 de Jim Rodenkirch K9JWV



From: James Rodenkirch
Sent: Monday, November 30, 2015 10:40 AM
To: elecraft@mailman.qth.net
Subject: How to make the KX3 controlled by logging sofftware like N1MM??


How do you control the KX3 with N1MM???


Do I need another device like this SUCCI??  
http://www.kotarov.com/projects/succi

[http://www.kotarov.com/_/rsrc/1369684755650/projects/succi/IMG_9309.JPG?height=240=320]<http://www.kotarov.com/projects/succi>

SUCCI - Vesselin Kotarov / LZ5VK
SUCCI stands for "Simple USB CAT & CW Interface". The idea for SUCCI was born 
at the time I realized that although I have the Microham MK2R+ orchestrating my 
home ...
Read more...<http://www.kotarov.com/projects/succi>




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[Elecraft] How to make the KX3 controlled by logging sofftware like N1MM??

[James Rodenkirch]

How do you control the KX3 with N1MM???


Do I need another device like this SUCCI??  
http://www.kotarov.com/projects/succi

[http://www.kotarov.com/_/rsrc/1369684755650/projects/succi/IMG_9309.JPG?height=240=320]

SUCCI - Vesselin Kotarov / LZ5VK
SUCCI stands for "Simple USB CAT & CW Interface". The idea for SUCCI was born 
at the time I realized that although I have the Microham MK2R+ orchestrating my 
home ...
Read more...




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Re: [Elecraft] How to make the KX3 controlled by logging sofftware like N1MM??

[James Rodenkirch]

ORis there a logging program that DOES work with the serial to USB cable 
only


Tnx, in advance, for any help you can proffer...feel free to contact me off 
line -- rodenkirch_...@msn.com


71.5/72 de Jim Rodenkirch K9JWV



From: James Rodenkirch
Sent: Monday, November 30, 2015 10:40 AM
To: elecraft@mailman.qth.net
Subject: How to make the KX3 controlled by logging sofftware like N1MM??


How do you control the KX3 with N1MM???


Do I need another device like this SUCCI??  
http://www.kotarov.com/projects/succi

[http://www.kotarov.com/_/rsrc/1369684755650/projects/succi/IMG_9309.JPG?height=240=320]<http://www.kotarov.com/projects/succi>

SUCCI - Vesselin Kotarov / LZ5VK
SUCCI stands for "Simple USB CAT & CW Interface". The idea for SUCCI was born 
at the time I realized that although I have the Microham MK2R+ orchestrating my 
home ...
Read more...<http://www.kotarov.com/projects/succi>




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Re: [Elecraft] KX3 VSWR problem

[James Rodenkirch]

WD4SDC wrote
 Equipment: KX3 S/N 7210, FW 02.25

Problem:
6M band -> VSWR 1.8:1 (KX3 meter) on 50ohm load connected directly to ant
 connector (no cable).

Followed by this UPDATE:
The test was to disconnect the remove the ATU board and connect the RF board 
directly to
the antenna port - which worked OK - 1.2:1.  With ATU installed and
auto-tuned, I get 10 watts delivered to the load, so in my case the bypass
VSWR is little high, but not really a concern.  Since the ATU *is*
installed, just tune it and everything works fine.


I'm not sure I understand..are you saying with the ATU removed the VSWR is 
1.2:1 and with it

installed but not tuned it's 1.8:1 until the ATU "kicks in and does its job???


72 de Jim R. K9JWV

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[Elecraft] HELP!!!

[James Rodenkirch]

I am trying to set up my KX3 for JT65 operation...when ever I plug my audio 
cable from the computer into the mic input jack the kx3 goes in to xmt.what 
is up with that??? I am using supplied cable from Elecraft...
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Re: [Elecraft] HELP!!!

[James Rodenkirch]

Tnx Kevin ...but, even with the computer off and regardless if in USB or data A 
mode and with PTT selected the xmt light comes on...


From: kevino z <balloon.experim...@outlook.com>
Sent: Saturday, November 21, 2015 11:43 AM
To: James Rodenkirch
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] HELP!!!

it is probably best to turn off before connecting any cables.
even when you plug / unplug the mic cable from the KX3, you will see it go into 
transmit. I believe it has to do with the plug as you are passing one of the 
TRRS parts in, the KX3 senses as if two of them are shorted.

-Kevin (KK4YEL)


No trees were killed in the sending of this message. However, a large number of 
electrons were terribly inconvenienced !

> On Nov 21, 2015, at 1:33 PM, James Rodenkirch <rodenkirch_...@msn.com> wrote:
>
> I am trying to set up my KX3 for JT65 operation...when ever I plug my audio 
> cable from the computer into the mic input jack the kx3 goes in to 
> xmt.what is up with that??? I am using supplied cable from Elecraft...
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Re: [Elecraft] HELP!!!

[James Rodenkirch]

That did it, Wunder..tnx to all that answered!!!


From: Walter underwood <wun...@wunderwood.org>
Sent: Saturday, November 21, 2015 12:54 PM
To: James Rodenkirch
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] HELP!!!

Set mic button off in the menus. Your plug is shorting the PTT contact.

wunder
K6WRU

> On Nov 21, 2015, at 10:31 AM, James Rodenkirch <rodenkirch_...@msn.com> wrote:
>
> I am trying to set up my KX3 for JT65 operation...when ever I plug my audio 
> cable from the computer into the mic input jack the kx3 goes in to 
> xmt.what is up with that??? I am using supplied cable from Elecraft...
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[Elecraft] PSK31 for my KX3 with a Samsung Galaxy 4 Android....

[James Rodenkirch]

http://kx3companion.com/

[https://kx3companion.files.wordpress.com/2014/03/screenshot_2014-07-12-07-35-11.png]

KX3 Companion
The KX3 Companion in an app that will let the power use of your Elecraft KX3 HF 
radio easier and lighter. No need for a PC! It will let you send and receive 
CW, PSK31 ...
Read more...




Is that cool or what?  need to pick up the android cable adapter at Best Buy 
(don't need no stinkin' audio cable interface and don't need a computer) - just 
use my cell phone...wicked cool!!!


72 de Jim Rodenkirch K9JWV
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Re: [Elecraft] Get the kids off the street - making my move!

[James Rodenkirch]

Pete: you replied with this...I find that WSJT-X works better for me than 
JT65-HF and is written by Joe Taylor (K1JT) himself.


I see this at his website:


   WSJT-X implements JT9, a new mode designed especially for the LF, MF, and HF 
bands, as well as the popular mode JT65.  Both modes were designed for
   making reliable, confirmed QSOs under extreme weak-signal conditions.  They 
use nearly identical message structure and source encoding.


   And this...A 2 kHz slice of spectrum is essentially full when occupied by 
ten JT65 signals.  As many as 100 JT9 signals can fit into the same space, 
without
   overlap. (more efficient is a good thing).



Are there like or similar numbers of JT9 ops as there are JT65 ops?


Is JT9 rockin' the lower bands -  160, 80 and 40???


I'm "axin'" 'cuz I'm about to load JT65 s/w and get it runnin' 'tween my 
Microsoft Surface Pro and my KX3 -- I'm not averse to loading WSJT-X and 
getting a friend of mine to configure he s/w and get it running.might be 
more beneficial to go with WSJT-X as it has a "bi-lingual" operating mode so 
you can switch between the twois WSJT-X any more difficult to set up or, if 
one is fairly familiar with the "old JT65"?


72 de Jim Rodenkirch K9JWV

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[Elecraft] Fred Cady kx3 manual

[James Rodenkirch]

Anyone have an extra copy of Fred's KX3 manual they'd part with?


71.5/72 de Jim Rodenkirch K9JWV
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[Elecraft] K3S query

[James Rodenkirch]

Anyone using the K3S in cw with no roofing filter(s) and enjoying how it sounds 
during a contest?



Does the DSP filtering and the audio peaking filter do the job for you without 
a 500 hz roofing filter?


Thank you, in advance for your thoughts72 de Jim Rodenkirch K9JWV
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[Elecraft] 2015 Oceania DX Contest - 3/4 October (PHONE) and 10/11 October (CW)

[James Rodenkirch]

I entered the CW contest last year and enjoyed the challenge of working OC 
entrants with QRP power -- they added a QRP category in 2014 so, if time 
permits, get on and participate.72 de Jim R. K9JWV 
 
 
 From: i...@oceaniadxcontest.com
To: i...@oceaniadxcontest.com
CC: oceania...@yahoogroups.com
Subject: 2015 Oceania DX Contest - 3/4 October (PHONE) and 10/11 October (CW)
Date: Fri, 2 Oct 2015 13:17:47 +1000
 
 Dear entrant in the 2014 OCDX contest
 
A reminder that the 2015 Oceania DX contest (OCDX) is running over the next
two weekends.
 
 As always, this will be a great opportunity to work a lot of DX stations in
 the Oceania region, as well as giving your station a test drive for the new
 contest season and CQ WW contest events later in the year. We are expecting
 another good turn out from VK, ZL and YB stations, as well as stations from
 some of the rarer Pacific entities.
 
 Hopefully you will be able to join us again and let's see see if we can
 make it the biggest and best Oceania DX contest party ever!
 
 Anything you can do to publicise the contest and encourage other contesters
and DXers to get on the air in the 2015 OCDX contest would also be greatly
appreciated. More information about the 2015 contest is provided below.
 
We look forward to seeing you in the pileups!
 
 73
 
 Brian Miller VK3MI ZL1AZE
 Chair of OCDX Contest Committee
 

 
 2015 OCEANIA DX (OCDX) CONTEST
 
 The main aim of the contest is to promote HF contacts with stations in the
 Oceania region. Oceania stations can work other Oceania and non-Oceania
 stations. Non-Oceania stations can only work Oceania stations.
 
 We are pleased to announce that the 2015 contest includes two new plaques
 aimed at Indonesian entrants - Karsono Suyanto YB0NDT is sponsoring a plaque
 for the highest scoring entrant from Indonesia in the PHONE Single Operator
 All Band category, and the YB Land DX Club is sponsoring a plaque for the
 highest scoring entrant from INDONESIA with a General Licence (YD/YG prefix)
 in the PHONE Single Operator 40M Band category
 
 The OCDX Contest Committee is sad to report the passing of Mirek Rozbicki
 VK6DXI earlier this year. Mirek was the sponsor of the Frank Vander Drift
 VK3COF Memorial Plaque that was awarded to the highest scoring station from
 Europe in the CW Single Operator ALL Band category. Slawek Barciuk VK3CTN
 has kindly offered to pick up the ongoing sponsorship of this plaque. This
 will now be known as the VK6DXI Memorial Plaque - in recognition and memory
 of Mirek’s significant contribution to the OCDX contest and amateur radio
 contesting more generally.
 
 Here is an abbreviated summary of the rules for the 2015 contest:
 
 PHONE: 08:00 UTC Saturday 3 October to 08:00 UTC Sunday 4 October
 CW: 08:00 UTC Saturday 10 October to 08:00 UTC Sunday 11 October
 
 Bands: 160M to 10M (excluding WARC bands).
Exchange: RS(T) + serial number.
QSO points: 20 points per QSO on 160M; 10 points on 80M; 5 points on
40M; 1 point on 20M; 2 points on 15M; and 3 points on 10M.
 
Final Score: The sum of the QSO points multiplied by the number of
 prefixes worked (the same prefix can be counted once on each band).
 
 Entry Categories:
 Single Operator All Band QRP (max 5W)
 Single Operator All Band Low Power (max 100W)
 Single Operator All Band High Power
 Single Operator Single Band QRP (max 5W)
 Single Operator Single Band Low Power (max 100W)
 Single Operator Single Band High Power
 M1 - Multiple Operators and Single Transmitter (only one transmitted signal at 
any time)
 M2 - Multiple Operators and Two Transmitters (no more than two transmitted
signals at any time and on different bands)
 MM - Multiple Operators and Multiple Transmitters (no more than one
 transmitted signal at any time on each band)
 Shortwave Listener (receive only) All Band

 Trophies and plaques will be awarded as listed on the web site at
 http://www.oceaniadxcontest.com/trophies.htm. Certificates will be awarded
 to the winning stations in each of the categories above - for each continent
 and country. A participation certificate will also be awarded to every
 station that makes at least one valid QSO.
 
 Log Submission Deadline: All logs must be emailed (or postmarked) NO LATER
 than 31 October 2015. Logs are to be sent as an e-mail attachment to
 p...@oceaniadxcontest.com (for PHONE entries) or c...@oceaniadxcontest.com 
(for CW entries).

 More information about the contest, including the detailed rules, is
 available from the Oceania DX Contest web site at
 http://www.oceaniadxcontest.com .
 
 73
 
 Oceania DX Contest Committee
 VK3MI/ZL1AZE, ZL2IFB, ZL3GA, VK3TZ, VK4FH
  
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[Elecraft] Graphene

[James Rodenkirch]

The thickness of a future Elecraft rig - a K-5 or K-6, perhaps - may be 
constrained by the thickness of the components but not by the thickness of the 
board

http://biggeekdad.com/2014/09/graphene-miracle-material/
  
  
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Re: [Elecraft] K2's ATU vagaries

[James Rodenkirch]

By off, Don, I meant using the POUT settingthat's what I usedsaw 5 
watts out 2 watts reflected in the POUT modeconnected the k2 to a dummy 
load, set the K2 to AUTO, tuned up on all bands, set the K2 to POUT, hooked the 
antenna back up and now see 0 watts reflected on 40...  
 
 Date: Thu, 30 Apr 2015 09:17:37 -0400
 From: w3...@embarqmail.com
 To: rodenkirch_...@msn.com; elecraft@mailman.qth.net
 Subject: Re: [Elecraft] K2's ATU vagaries
 
 Jim,
 
 I am not certain how you would set the KAT2 to OFF.  That is not an 
 option in the menu.
 Setting the ATU menu to CALP or CALS will electrically bypass the L/C 
 elements in the tuner, but there will be some residual reactance in the 
 tuner.
 
 The best method to bypass the tuner is to do as stated in the manual - 
 tune (on each band) using AUTO mode into a dummy load and then set the 
 ATU menu to POUT.  The L/C combination last used for the TUNE on each 
 band will be set when you return to that band.
 
 Note for KAT100 users - POUT is not an available menu option - you can 
 use CAL which bypasses the L/C elements completely.
 
 73,
 Don W3FPR
 
 On 4/30/2015 8:21 AM, James Rodenkirch wrote:
  While altering my existing antenna system which includes an LDG Z11ProII 
  auto-tuner at the base, I had to do quite a bit of testing from the 
  shack; e.g., add a un-un, go to shack, hit the tune switch, watch power out 
  and SWR.switch to another un-un with a different ratio, follow same 
  procedure. All of this with the K2' internal auto-tuner turned of.

  The antenna alteration I was trying wasn't providing the LDG auto-tuner 
  with Zo values it liked so I was switching the K2's auto-tuner in and 
  trying it across the various bands to see how it played with the altered 
  antenna. After an afternoon of this I surrendered and restored the antenna 
  to its original configuration, one the LDG auto-tuner tuned effortlessly.

  Note: the original system is a 36' vertical with 12 elevated radials an the 
  auto-tuner at the base of the vertical. The LDG has always tuned that 
  configuration effortlessly on 40 through 12.

  After restoring it back to its original configuration I went through the 
  tuning cycle - K2's ATU off, hit the tune switchyadda, yadda; that's 
  the configuration I use - ATU off, K2 set to watch pwr out and reflected- 
  the POUT mode. What I found was: the LDG tuned 40 through 12 effortlessly 
  BUT, on 40 meters I observed 5 watts out and 2 watts reflected (prior to 
  all of this, it was zero watts reflected). Given the vertical is back to 
  its 36' configuration one would expect zero watts..so, I retuned 
  several times but, same result. I could tell the LDG was tuning correctly 
  and with 30 through 12 showing no reflected power I kept wondering of the 
  K2 was acting up.

  I found the internal ATU manual and start reading up on the Using the 
  ATU. I found this:

  As an alternative to CALS or CALP, you can tune up the ATU into a 50 
  ohm dummy load on each band using AUTO mode. This will
  cancel out most or all of the stray inductance and capacitance so that 
  you can connect your external tuner or resonant antenna.
  After tuning up on all bands, put the ATU in to POUT or SWR mode The 
  matching network settings will not change.

  I ran through that sequence and...poofno reflected power on 40 meters!

 
 
  
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[Elecraft] Assistance setting up K2 for JT-65 mode

[James Rodenkirch]

I'm looking at jumping in to JT-65 mode of operating and see where a 
Tigertronics  Signalink USB Interface box may be the easiest way to get 
started.  If anyone has utilized that approach and has some lessons learned to 
share, please contact me off-list for a QA session or two.
 
71.5/72 - Jim Rodenkirch K9JWV
  
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[Elecraft] WTB K160RX

[James Rodenkirch]

If someone has a K160RX for the K2 that is excess to their needs I’d be 
interested in chatting about transferring ownership to me @ 
rodenkirch_...@msn.com
…71.5, 72 Jim Rodenkirch K9JWV
 

  
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[Elecraft] WTB K160M

[James Rodenkirch]

If someone has an K160M for the K2 that is excess to their needs I’d be 
interested in chatting about transferring ownership to me @ 
rodenkirch_...@msn.com


…71.5, 72 Jim Rodenkirch K9JWV






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[Elecraft] WTB a K1 and four band module

[James Rodenkirch]

If anyone has a basic K1, in kit form, partially finished or finished and it's 
still not working correctly, I’d be interested in purchasing it. If it doesn't 
have any bnd modules, that's ok - have one of those.


If anyone has a four band module thy don't need, contact me as well.


Contact me off list - thx. Jim Rodenkirch K9JWV






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[Elecraft] Found a K1!

[James Rodenkirch]

Should be here today../.it will have the four band 40/30/20/15 module and the 
ATU along with a two band module.
 
Going to have the two band module changed to 80/17 and, when not traveling, 
will swap out the ATU for the two band module and have an 80/40/30/20/17/15 rig 
(already have an auto tuner at the base of my 30' vertical). I had a K1 
outfitted with a four and two band module - 160/80/40/30/20/15 but sold it 'cuz 
I was lookin' ror something betzer or different - we've all been there, done 
that I would guess.hihi 
 
This will become my main rig 'till such time as I find a K2/10 to 
purchaseoff in the future some.
 
Thanks to all who responded to my original query.
 
72, Jim Rodenkirch K9JWV
 
  
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Re: [Elecraft] Found a K1!

[James Rodenkirch]

 Bruce: don't consider this the beginning of an argument but.I recall 
having both modules installed, at the same time, in my previous K1..was I 
dreaming that??
 
 From: bef...@myfairpoint.net
 To: elecraft@mailman.qth.net
 CC: rodenkirch_...@msn.com
 Subject: Re: [Elecraft] Found a K1!
 Date: Mon, 19 Jan 2015 10:08:46 -0500
 
  Going to have the two band module changed to 80/17 and, when not 
  traveling, will swap out the ATU for the two band module and have an 
  80/40/30/20/17/15 rig (already have an auto tuner at the base of my 30' 
  vertical).
 
 Jim,
 since you had a K1 in the past, you probably remember this, but others may
 not be aware... You cannot swap out the ATU for the 2 band board. The ATU
 does need to be removed to replace the 4 band board with the 2 band board as
 the band board sits below the ATU in a stacked configuration. But- both
 band boards cannot be in at the same time.
 
 As I say, I am pretty sure you know this, but wanted to mention it for the
 benefit of others who may not know.
 
 72,
 Bruce N1RX
 
 
  
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Re: [Elecraft] Found a K1!

[James Rodenkirch]

Guess I was 'dreaming'  hihi  It has been a while since I owned the one K1 
so.ok...tnx 
 
 From: bef...@myfairpoint.net
 To: rodenkirch_...@msn.com
 CC: elecraft@mailman.qth.net
 Subject: RE: [Elecraft] Found a K1!
 Date: Mon, 19 Jan 2015 10:45:30 -0500
 
 I think so... (a dream). I have a K1 now, and have had a few of them in the
 past. There can only be 1 band board in at a time, although the K1 will
 remember the VFO calibration for all the bands, across the boards you have.
 The only time this is an issue is if you have two different modules with the
 same band, like 40/30/20/15 on a 4 band board, and 40/17 on a 2 band board.
 
 GL,
 Bruce N1RX
 
 
 From: James Rodenkirch [mailto:rodenkirch_...@msn.com] 
 Sent: Monday, January 19, 2015 10:35 AM
 To: Bruce Beford; elecraft@mailman.qth.net
 Subject: RE: [Elecraft] Found a K1!
 
  Bruce: don't consider this the beginning of an argument but.I recall
 having both modules installed, at the same time, in my previous K1..was
 I dreaming that??
 
  
  From: bef...@myfairpoint.net
  To: elecraft@mailman.qth.net
  CC: rodenkirch_...@msn.com
  Subject: Re: [Elecraft] Found a K1!
  Date: Mon, 19 Jan 2015 10:08:46 -0500
  
   Going to have the two band module changed to 80/17 and, when not 
   traveling, will swap out the ATU for the two band module and have an 
   80/40/30/20/17/15 rig (already have an auto tuner at the base of my 30' 
   vertical).
  
  Jim,
  since you had a K1 in the past, you probably remember this, but others may
  not be aware... You cannot swap out the ATU for the 2 band board. The
 ATU
  does need to be removed to replace the 4 band board with the 2 band board
 as
  the band board sits below the ATU in a stacked configuration. But- both
  band boards cannot be in at the same time.
  
  As I say, I am pretty sure you know this, but wanted to mention it for the
  benefit of others who may not know.
  
  72,
  Bruce N1RX
  
  
 
 
  
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[Elecraft] List of K1 modifications

[James Rodenkirch]

Does anyone have a list of all K1 mods (those approved by Elecraft and those 
that others have installedOR the URL of a site that does and can vector me 
to? 
 
Thank you, in advance, for your assistance. 72, Jim Rodenkirch
 
  
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[Elecraft] Searching for a K1

[James Rodenkirch]

Anyone have a used K1 for sale? One with a four band module would be 
ideal...please reply off list to rodenkirch_...@msn.com
 
72, Jim Rodenkirch K9JWV
 
  
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Re: [Elecraft] Antenna question

[James Rodenkirch]

And QST recently published a piece showing that a better use of a 43 ft 
vertical might be as the center support for horizontal dipoles for 80 and 40, a 
concept with which I strongly agree. (smiley face annotation removed)
As stated by a frtend of mine, after eading the above little ditty and 
replying, initially, Snort, my friends goes on to addobviously, the 
author of that uninformed statement hasn't had to work stations on 80 and 40 
from the middle of the country when signal arrival angles start changing 
dramatically and rapidly. (smiley face annotation re-inserted)
72/u3, Jim Rodenkirch K9JWV



 Date: Tue, 11 Feb 2014 23:09:23 -0800
 From: j...@audiosystemsgroup.com
 To: elecraft@mailman.qth.net
 Subject: Re: [Elecraft] Antenna question
 
 On 2/11/2014 3:36 PM, George Thornton wrote:
  I have a small lot.  I currently am using a 3 element Yagi that barely fits 
  on the property.  I was thinking about getting a vertical as a second HF 
  antenna.
 
 As it happens, over the past year or so I've been engaged in a serious 
 modeling study that compares the performance of vertical and horizontal 
 antennas at mounting heights that are practical for hams in your 
 situation. So the real question is, what will that vertical add to your 
 station beside a second antenna for SO2R?
 
 If I were in your situation, I would add an antenna only to cover bands 
 that the tri-bander does not. Even the best vertical is unlikely to 
 outperform the tribander unless you happen to be blessed with REALLY 
 good ground conductivity, and even then only by a dB or so at low 
 elevation angles. Second, if I were to add a vertical, it would be one 
 that is configured as a center-fed dipole, and I would add it ONLY if I 
 could elevate it at least 20 ft.
 
 Yes, I know this wasn't the question you asked, but it needs to be asked 
 and answered. :)  Also, by all means pay attention to K6DGW's comments, 
 with which I completely concur.
 
 There's a link to a presentation I did last fall of the vertical height 
 issue, and also one about the recently popular 43 ft vertical.
 http://k9yc.com/publish.htm
 
 I'm still working on the comparison of verticals to horizontal antennas 
 -- I've done all the modeling and know the results, but haven't 
 organized it to show yet. AD5X has also done some excellent work on the 
 43 ft vertical idea. And QST recently published a piece showing that a 
 better use of a 43 ft vertical might be as the center support for 
 horizontal dipoles for 80 and 40, a concept with which I strongly agree. :)
 
 73, Jim K9YC
 
 
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[Elecraft] Elecraft K1 for sale

[James Rodenkirch]

I am reducing the price asked for my K1 from $515.00 plus shipping to $500.00, 
including shipping.

The particulars: 

Serial # 589
Six bands - (160 and 80 in a two band module); (40,30 20 and 15 in a four band 
module)
KNB1 Noise Blanker
Finger Dimple
K1LCD Backlight mod
K6XX CW indicator when zero beat
All documentation

Rx MDS on each band is .1uv or -140dbm with the cw indicator
centered on 400hertz.

TX power out, is 0-8.5 watts
across each band, depending on the “Out” setting, with 14vdc in.
Just had it aligned, specs verified and characterized by Dale, WC7S. I have the 
spec sheet and pics if interestedE-mail me off line if interested.
72, Jim Rodenkirch K9JWV





  
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[Elecraft] K1 for sale

[James Rodenkirch]

Have a K1 for sale as I'm moving to another Ten Tec rig. Pric is $515.00 plus 
shipping.

Particulars:
Serial # 589
Six band - 160,80,40,30 20 and 15
KNB1 Noise Blanker
Finger Dimple
K1LCD Backlight mod
K6XX CW indicator when zero beat
All documentation

Just had it aligned, varification of secs and characterized by Dale, WC7S and 
have the spec sheet if interested





Rx MDS on each band is .1uv or -140dbm with the cw indicator
centered on 400hertz.

TX power out, is 0-8.5 watts
across each band, depending on the “Out” setting, with 14vdc in.
I'm offering this rig up to the elecraft reflector first before announcing it 
on QRP-L and QRZ.com.  E-mail me off line if interested.
72, Jim Rodenkirch K9JWV






  
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Re: [Elecraft] [QRP-L] Antenna Question

[James Rodenkirch]

Please treat this reply to the below thread where an emphasis on linear loading 
being mo betta than a loading coil as a dialectic discussion. Something about 
that posit - linear loading is more efficient than a loading coil - didn't ring 
true with me so I did a little digging.  Now, keep in mind that what I paste 
below may not follow, exactly, the thrust of the discussion, based on the types 
of antennas being considered...see what these two fellas had to say as the 
choice of one over the other, sorta depends (see the last quoted writeup by 
W8JI): This from a fella at M2:
 
   extensive modeling with AOP (antenna optimizer, professional) shows that 
linear loading designs using decent diameter loading component work very well 
and arevery efficient. Coil loading using wire size and fabrication 
techniques that maintain a Q of at least 300 works very well and are very 
efficient.  The results of the multipleyears of simultaneous, on the air 
testing shows no detectable difference in forward gain or front to back 
performance using linear loading on one antenna and coilswith a Q of 500 on 
the other antenna. Modeling of each antenna showed virtually identical 
results meaning gains within .2 dB and F/B of 24 dB plus/ minus 2 dB. So it
comes down to personal choice based on your local weather and esthetics
 
Go here for the full story (about the third write up down the page)
 
And this from that W8JI fella:
 
Linear Loading is really nothing other than a poor form-factor inductor. The  
radiation from the linear loading does NOT change the radiation resistance of  
the antenna except as the effective position of the load might change from the  
direction of fold. In all cases, a proper form-factor inductor would have less  
loss, and provide the same radiation resistance.   And another posit by that 
W8JI fella:   Remember one thing, linear loading is like replacing a loading 
coil with a very low Q coil.

  The claim it is low loss or worse yet lossless stems from advertising by 
antenna manufacturers that have brainwashed the public.

  A typical well-constructed open wire line with large gauge copper wire 
configured as a stub with 450 ohms inductive reactance has a Q of about 300-400 
or just over  1 ohm loss resistance at 7MHz. This isn't exceptionally good, it 
is just OK. (Coil Q will typically range from 200-800.) 

  If you move down to #18 copper wire, Q is 50-150, pretty poor.

  Factually, the same wire size wound into a conventional coil has LESS loss 
and higher Q. It also isn't necessarily true the stub is more stable with 
weather. It is more stable if you do nothing at all to weatherproof a coil, 
but a coil is much easier to weatherproof and so is much more stable than a 
stub that is exposed to weather.

  A #18 AWG air-wound coil of reasonable form factor generally has a Q of 250 
or more, compared to a stub of the same guage having a Q of maybe 75 to 100.   
So the coil has 1/3 the loss for the same reactance.

  If you research 75 meter Yagi's, you will see people are paying big bucks to 
convert them from linear loading back to coils!!

  If the required inductance is small, it makes no difference what you use. If 
the required inductance is high, better use a coil or the losses will eat you 
up. 72, Jim Rodenkirch, K9JWV

 

  Date: Mon, 18 Jun 2012 07:18:54 -0400
 From: w3...@embarqmail.com
 To: nskou...@talisman-intl.com
 CC: elecraft@mailman.qth.net; qr...@mailman.qth.net
 Subject: Re: [QRP-L] [Elecraft] Antenna Question
 
 Neil,
 
 When you see an antenna element folded back on itself like that, think 
 linear loading (look it up in the ARRL Handbook or similar).  There is 
 no magic, but it is one way of shortening an antenna.  It is not as 
 efficient as a full length antenna, but is more efficient than using 
 loading coils.  Everything is relative.
 If you have the space to put up full size half wave dipole antennas, 
 that is the way to go.  If you need shortened antennas for the lower 
 bands, linear loading is one way to achieve resonance with shortened length.
 
 73,
 Don W3FPR
 
 On 6/17/2012 11:26 PM, Niel Skousen wrote:
  I'm pretty sure I've seen this antenna on the net, but don't recall the 
  name nor have I been able to find a link to a description / design data.
 
  The county ERC has a 'shortened fan dipole' with three parallel elements, 
  spaced about 18-24 apart on each side.   the longest element folds back 
  around the mid-length element toward the shortest element.   The antenna 
  end insulator / guy rope is attached to the long element, where it folds 
  back.   There appears (from the ground) to be a 6~8 insulator / gap 
  between the end of the shortest element, and the longest element where its 
  been folded back.  no traps, loading coils, or loading resistors that I can 
  see.
 
  I'm assuming three or four band coverage (80, 40, 20, and 15 ??) with a 75m 
  dipole, a 40m dipole (with 15m as a freebie), and a 20 m 

Re: [Elecraft] [QRP-L] The Chinese KX3

[James Rodenkirch]

If they can produce a similar product at a reduced cost, including the 
absurdity of the current add on costs that Elecraft charges, good for them!  
 
Hope they are successful - successful meaning their version offers like 
functions and specifications, at a reduced cost!  
 
72, Jim R. K9JWV

 

 

 From: j...@ae5x.com
 To: elecraft@mailman.qth.net; qr...@mailman.qth.net
 Date: Fri, 13 Apr 2012 09:12:02 -0500
 Subject: [QRP-L] The Chinese KX3
 
 Imitation, the sincerest form of flattery:
 http://www.cqdx.ru/ham/new-equipment/chienese-answer-to-elecraft-kx3-version/
 
 John AE5X
 http://www.ae5x.com/blog
 
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Re: [Elecraft] [QRP-L] The Chinese KX3

[James Rodenkirch]

We have NO idea how the service is out of this new seller, forgetting it's a 
Chinese firm, and we HAVE NO idea of how reliable either product is so I have 
NO idea what that thinking is all about!
 
If Elecraft service is so damn good, tell me how reliable their product is?  Or 
are you talking about marketing/sales service vice product supportability 
service??
 
Sheesh - 

 

 

 From: c-haw...@illinois.edu
 To: rodenkirch_...@msn.com
 CC: j...@ae5x.com; elecraft@mailman.qth.net; qr...@mailman.qth.net
 Subject: Re: [Elecraft] [QRP-L] The Chinese KX3
 Date: Fri, 13 Apr 2012 15:07:43 +
 
 The only thing similar about that thing is the...thinking...thinking...
 Anyway, the service Elecraft provides is unique and refreshing. And a major 
 reason why they continue to succeed. Not to mention the extremly high quality 
 and high performing products. 
 But good luck with your Chinese copy.
 
 Sent from my iPhone
 
 On Apr 13, 2012, at 9:32 AM, James Rodenkirch rodenkirch_...@msn.com 
 wrote:
 
  
  If they can produce a similar product at a reduced cost, including the 
  absurdity of the current add on costs that Elecraft charges, good for them! 
  
  Hope they are successful - successful meaning their version offers like 
  functions and specifications, at a reduced cost! 
  
  72, Jim R. K9JWV
  
  
  
  
  
  From: j...@ae5x.com
  To: elecraft@mailman.qth.net; qr...@mailman.qth.net
  Date: Fri, 13 Apr 2012 09:12:02 -0500
  Subject: [QRP-L] The Chinese KX3
  
  Imitation, the sincerest form of flattery:
  http://www.cqdx.ru/ham/new-equipment/chienese-answer-to-elecraft-kx3-version/
  
  John AE5X
  http://www.ae5x.com/blog
  
  __
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Re: [Elecraft] [QRP-L] The Chinese KX3

[James Rodenkirch]

I guess my initial comment - If they can produce a similar product at a reduced 
cost, including the absurdity of the current add on costs that Elecraft 
charges, good for them!
 - was lost somehow!
 
Annnd, until the product is out there, being used, with some data to 
analyze, all of the handwringing and teeth gnashing over reliability and all 
of that is just thatprotestations and the like!

 



From: tho...@horsten.com
Date: Fri, 13 Apr 2012 15:50:15 +0100
Subject: Re: [Elecraft] [QRP-L] The Chinese KX3
To: rodenkirch_...@msn.com
CC: j...@ae5x.com; elecraft@mailman.qth.net; qr...@mailman.qth.net

The only way they will come anywhere close to the KX3 performance is by 
pirating large portions of the KX3 hardware design and firmware. If that's the 
case I hope they don't succeed.


Besides, if they try to add all the same kinds of features that the KX3 has it 
will probably be full of bugs and I am sure you won't get the same kind of 
support that you do from Elecraft, where the developers actually listen to the 
users. At best, it will be a pale imitation of the real thing and at worst it 
will be an epic nightmare of bugs and trying to deal with sporadic support 
announcements in Chinese with Google Translate as your only friend when trying 
to figure out what's going on.


But to be honest, looks like a spoof to me. A well made spoof, but still a 
spoof.


73, Thomas M0TRN


On 13 April 2012 15:32, James Rodenkirch rodenkirch_...@msn.com wrote:


If they can produce a similar product at a reduced cost, including the 
absurdity of the current add on costs that Elecraft charges, good for them!

Hope they are successful - successful meaning their version offers like 
functions and specifications, at a reduced cost!

72, Jim R. K9JWV





 From: j...@ae5x.com
 To: elecraft@mailman.qth.net; qr...@mailman.qth.net
 Date: Fri, 13 Apr 2012 09:12:02 -0500
 Subject: [QRP-L] The Chinese KX3


 Imitation, the sincerest form of flattery:
 http://www.cqdx.ru/ham/new-equipment/chienese-answer-to-elecraft-kx3-version/

 John AE5X
 http://www.ae5x.com/blog

 __
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 Home: http://mailman.qth.net/mailman/listinfo/qrp-l
 Help: http://mailman.qth.net/mmfaq.htm
 Post: mailto:qr...@mailman.qth.net



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 Please help support this email list: http://www.qsl.net/donate.html

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Re: [Elecraft] [QRP-L] The Chinese KX3

[James Rodenkirch]

Snort!  Your observations, are as anecdotal as can be and.continue to 
make my point --- a point that was started when I sent out the reply: If - IF - 
 they can produce a similar product at a reduced cost, including the absurdity 
of the current add on costs that Elecraft charges, good for them! 
 
 I also stated that I hope they are successful - successful meaning their 
version offers like functions and specifications, at a reduced cost!  If, I 
repeat, IF those specifications include a Ps as far as the rig remaining 
operational over some lonng period of time - saaay, .95 or .98 or 
whatever high value of reliability you want to instill on an Elecraft 
product, then I hope this Chinese company can turn out a product that's as 
reliable.
 
Sheesh - I can see the Elecraft faithful are out in droves today!
 
Cinching up my flameproof suit even tighter.72, Jim R. K9JWV
 

 

 


 Date: Fri, 13 Apr 2012 15:47:50 -0400
 From: km4ik@gmail.com
 To: rodenkirch_...@msn.com
 CC: c-haw...@illinois.edu; elecraft@mailman.qth.net; qr...@mailman.qth.net; 
 j...@ae5x.com
 Subject: Re: [Elecraft] [QRP-L] The Chinese KX3
 
 snip
 If Elecraft service is so damn good, tell me how reliable their product is? 
 Or are you talking about marketing/sales service vice product supportability 
 service??
 snip
 
 Elecraft's gear is fabulously reliable. It's a safe (but unscientifically 
 generated statistic) bet that 70-80% of the issues/problems reported on this 
 forum are user error or lack of knowledge/understanding about the rig. Of the 
 remaining 20%, a large majority of the issues that are actual issues get 
 corrected rapidly in firmware. The remaining are handled as quickly as the 
 folks in Aptos, and elsewhere, can handle them.
 
 Remember, none of the percentages provided above are in any way 
 statistically/scientifically generated. They are my observations from roughly 
 one year on this, and other, reflector. And, yes, I drank the Kool-Aid 
 willingly and whole-heartedly. ;-)
 
 73,
 
 --Ian
 
 Ian Kahn, KM4IK
 Roswell, GA
 km4ik@gmail.com
 K3 #281, P3 #688
 
 
  
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Re: [Elecraft] [QRP-L] The Chinese KX3

[James Rodenkirch]

Elecraft follows the Apple model - or vice versa...who knows!  Basic product 
is sorta ok from a costing perspective but one starts to cringe at $60.00 
microphones and $170.00 20 watt antenna tuners and $170.00 iambic keys...just 
sorta seems high end pricing... I could go and price out external versions but 
that would detract from the Elecraft model - purchase the basic rig and toss in 
lots of extras that fit into the rig and keep you one of the Elecraft 
faithful.
 
Your statement, Generally, the Chinese versions are reasonable value for money 
but the equation generally does include a much lower build quality and feature 
set and a much lower support level is sorta intriguingjust what is a 
lower build quality and feature set and lower support level mean?
 
Quote me some numbers and we can chat furtherJim R.
 


From: tho...@horsten.com
Date: Fri, 13 Apr 2012 23:02:25 +0100
Subject: Re: [Elecraft] [QRP-L] The Chinese KX3
To: rodenkirch_...@msn.com
CC: km4ik@gmail.com; elecraft@mailman.qth.net; qr...@mailman.qth.net; 
j...@ae5x.com

Jim,



What exactly is absurd about the add on costs that Elecraft charges, in your 
opinion ???


That's the statement that sticks out to me as being absurd in your mail. You 
buy the accessories you want/need and add it up. The total KX3 price after 
doing that doesn't seem absurd to me. Not extremely cheap either, I'd agree, 
but most certainly not absurdly expensive.


There are Chinese knock-offs of many product categories. Generally, the Chinese 
versions are reasonable value for money but the equation generally does include 
a much lower build quality and feature set and a much lower support level.


To take the Wouxuns for example, they are great rigs for the price, but the 
more expensive ones from Yaewoodcom do have a definitive edge on quality and 
how well they are thought out. It's just questionable if they are worth paying 
so much extra for, and personally I'm happy with my Wouxun. But for something 
as primary to my ham operating as my main portable HF rig, I won't settle for 
such a compromise.


73, Thomas M0TRN


On 13 April 2012 21:55, James Rodenkirch rodenkirch_...@msn.com wrote:

If - IF -  they can produce a similar product at a reduced cost, including the 
absurdity of the current add on costs that Elecraft charges, good for them!
  
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Re: [Elecraft] [QRP-L] The Chinese KX3

[James Rodenkirch]

My post started off with, If they can produce a similar product at a reduced 
cost, including the absurdity of the current add on costs that Elecraft 
charges, good for them!
 
I followed up with, I hope they are successful - successful meaning their 
version offers like functions and specifications, at a reduced cost!
 
If that drums up some angst on your part - I can't help you!  Y'all have taken 
my comments out of context - witness the morphing to discussions on a variety 
of other products when my comments/suggestions/observations/hope along with a 
dose of wanting to see competition for Elecraft.  
 
If the notion of elecraft's add ons having a cost structure that seems absurd 
bothers you, well.it's one person's opinon and you are free to bash away at 
me for making such an absurd statement..smiling HUGELY at the double 
absurdity!
 
Sheesh - if you don't like Chinese or whatever products, that could compete 
with elecraft.dont' like 'em --- doesn't stop others from wanting 
to see competition!
 
Enuff said, I hope!  72 to all --- Jim R. K9JWV
 
 



Date: Sat, 14 Apr 2012 09:38:23 +1000
Subject: Re: [Elecraft] [QRP-L] The Chinese KX3
From: garyvk...@gmail.com
To: rodenkirch_...@msn.com
CC: tho...@horsten.com; elecraft@mailman.qth.net; qr...@mailman.qth.net; 
j...@ae5x.com

James,

You are engaging in an argument (constructive one that is) where there is NO 
difinitive answer.

It's must always be about 'choice'..Heil headsets are to me expensive when you 
import them to VK, CM-500's represents 'value for money' to many on this list, 
some prefer the Heil models..it is all about choice.

Dare I say 'visual appeal' and 'I want the best' are also thoughts in folks 
mind when they select their purchase, some look at 3rd party test results as a 
buying guide, again, it's all about choice.

Wouxon, kenwood, Yaesu, Icom, Ten Tec, Elecraft and the list goes on, it still 
comes back to individual choice and that is good for consumers. I would hate to 
see a contraction of manufacturers as this would lead to a less competitive 
market and then we the consumer would be in a less than enviable situation.

Sure I love my Elecraft products, they all do what i want and more which leaves 
me a very satisfied customer and Elecraft have a proven track record on support.

Did I pay too much for the products I have purchased from Elecraft?...I don't 
believe so.

Did I pay too much for products from 'other' radio manufacturers...i sure did 
much to my continued angst.

20/20 hindsight can sometimes be a bummer


73's
Gary


On 14 April 2012 08:49, James Rodenkirch rodenkirch_...@msn.com wrote:


Elecraft follows the Apple model - or vice versa...who knows!  Basic product 
is sorta ok from a costing perspective but one starts to cringe at $60.00 
microphones and $170.00 20 watt antenna tuners and $170.00 iambic keys...just 
sorta seems high end pricing... I could go and price out external versions but 
that would detract from the Elecraft model - purchase the basic rig and toss in 
lots of extras that fit into the rig and keep you one of the Elecraft 
faithful.

Your statement, Generally, the Chinese versions are reasonable value for money 
but the equation generally does include a much lower build quality and feature 
set and a much lower support level is sorta intriguingjust what is a 
lower build quality and feature set and lower support level mean?

Quote me some numbers and we can chat furtherJim R.



From: tho...@horsten.com
Date: Fri, 13 Apr 2012 23:02:25 +0100
Subject: Re: [Elecraft] [QRP-L] The Chinese KX3
To: rodenkirch_...@msn.com
CC: km4ik@gmail.com; elecraft@mailman.qth.net; qr...@mailman.qth.net; 
j...@ae5x.com

Jim,



What exactly is absurd about the add on costs that Elecraft charges, in your 
opinion ???


That's the statement that sticks out to me as being absurd in your mail. You 
buy the accessories you want/need and add it up. The total KX3 price after 
doing that doesn't seem absurd to me. Not extremely cheap either, I'd agree, 
but most certainly not absurdly expensive.


There are Chinese knock-offs of many product categories. Generally, the Chinese 
versions are reasonable value for money but the equation generally does include 
a much lower build quality and feature set and a much lower support level.


To take the Wouxuns for example, they are great rigs for the price, but the 
more expensive ones from Yaewoodcom do have a definitive edge on quality and 
how well they are thought out. It's just questionable if they are worth paying 
so much extra for, and personally I'm happy with my Wouxun. But for something 
as primary to my ham operating as my main portable HF rig, I won't settle for 
such a compromise.


73, Thomas M0TRN


On 13 April 2012 21:55, James Rodenkirch rodenkirch_...@msn.com wrote:

If - IF -  they can produce a similar product at a reduced cost, including the 
absurdity of the current add on costs that Elecraft charges, good for them