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Today's Topics:
1. K3 EQ settings (Bill)
2. Re: K3 - static discharge (ke9uw)
3. Re: K3 EQ settings (NW0M)
4. Re: K3 - static discharge (Kevin)
5. PX3 question (David F. Reed)
6. Re: K3 EZ (kbeck...@wi.rr.com)
7. Re: [FS] Pelican Storm Case for K3 and P3 (rick jones)
8. Re: K3 EZ (Walter Underwood)
9. Re: PX3 question (David F. Reed)
10. Re: K3 EZ (jermo)
11. Re: K3 EZ (NW0M)
12. Re: K3 EZ (kbeck...@wi.rr.com)
13. Re: K3 EZ (Jim McDonald)
14. Magnetic Loop Antenna Question (Terry Brown)
15. Re: Magnetic Loop Antenna Question (Fred Jensen)
16. K3S USB driver problem (r...@aol.com)
17. WG0AT's KX2 matching unit (Alan Geller)
18. Re: K3S USB driver problem (Fred Jensen)
19. TX audio via N1MM+ (Tad Danley)
20. Re: Magnetic Loop Antenna Question (rick jones)
21. Re: K3S USB driver problem (Don Wilhelm)
22. Re: Magnetic Loop Antenna Question (Fred Jensen)
23. K3 Low Output on 15 (K9MA)
24. Fldigi Mac no TX Audio (a45wg)
25. Re: K3 Low Output on 15 (WILLIE BABER)
26. Re: K3 Low Output on 15 (Gary Gregory)
27. KX3 internal keyer speed limit (Thorpe, Jeffrey)
28. Re: Fldigi Mac no TX Audio (Don Wilhelm)
29. KX2 Vox/PTT Precedence (Dave AD6A)
30. Re: Magnetic Loop Antenna Question (Thomas Beltran)
----------------------------------------------------------------------
Message: 1
Date: Sat, 12 Nov 2016 09:18:23 -0500
From: Bill <w2...@nycap.rr.com>
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 EQ settings
Message-ID: <554af691-3d3a-8fb7-6c41-dbb651300...@nycap.rr.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Can EQ, or any other menu settings, degrade or change over time?
I ask, as I keep careful logs of ALL menu settings and have noted some
changes showing up from time to time. Currently, I make my settings
manually.
Too bad no one ever picked up the now defunct K3 EZ. Now there was a
program that really served a purpose.
Bill W2BLC K-Line
------------------------------
Message: 2
Date: Sat, 12 Nov 2016 07:36:56 -0700 (MST)
From: ke9uw <c-haw...@illinois.edu>
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 - static discharge
Message-ID: <1478961416430-7623941.p...@n2.nabble.com>
Content-Type: text/plain; charset=us-ascii
I have a (high quality=$50 or so) antistatic mat on my desk. Slower
discharge. No issues with sparks in the winter. It makes a nice surface as
well.
-----
Chuck, KE9UW
--
View this message in context:
http://elecraft.365791.n2.nabble.com/K3-static-discharge-tp7623918p7623941.html
Sent from the Elecraft mailing list archive at Nabble.com.
------------------------------
Message: 3
Date: Sat, 12 Nov 2016 08:38:13 -0700 (MST)
From: NW0M <n...@embarqmail.com>
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 EQ settings
Message-ID: <1478965093511-7623942.p...@n2.nabble.com>
Content-Type: text/plain; charset=UTF-8
Bill, why do you say K3 EZ is defunct? I just installed it (v2.0.0.7) on a
new Windows 10 laptop.
73, Mitch
NW?M
--
View this message in context:
http://elecraft.365791.n2.nabble.com/K3-EQ-settings-tp7623940p7623942.html
Sent from the Elecraft mailing list archive at Nabble.com.
------------------------------
Message: 4
Date: Sat, 12 Nov 2016 10:17:37 -0600
From: Kevin <ksto...@ac0h.net>
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 - static discharge
Message-ID: <54853bca-452c-8906-caa6-b17bcd243...@ac0h.net>
Content-Type: text/plain; charset=windows-1252; format=flowed
We have a whole house humidifier.
The default setting is 40%. We run it just up to the point where we
start to get condensation on windows then back off about 5%. It only
runs during winter.
On 11/11/2016 8:16 AM, Charlie T, K3ICH wrote:
Yes, but they typically DO use a three wire (case at ground) power cord.
I make it a point to touch the metal side of the computer before anything
else.
A couple other recommendations would be to buy a cheap digital humidity
indicator and put one or more humidifiers* around the house.
I'm not sure what is the ideal humidity level, but our house here in
Virginia it would get down under 30% which results in lots of sparks AND
split fingers.
I try to get it nearer to 50% which seems to help both those conditions.
73, Charlie k3ICH
*I don't recommend the old fashioned steam units which simply have two
electrodes immersed in water such that the steam is created from the
electric current between them. Obviously, pure laboratory H2O won't work,
but a pinch of salt in the water makes the house lights dim (HI), neither of
which is a desirable situation. I don't like the ultrasonic units either
because for some reason, they caused a lot of dust to be deposited on our
flat screen TV. My opinion is that the best types are the ones that use a
wick element and fan to put moisture in the air.
-----Original Message-----
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill
Sent: Friday, November 11, 2016 8:50 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 - static discharge
To prevent static discharge problems with my computers, I have a bare ground
wire attached to the side of my desk. I touch it when I first sit down. In
the winter, it does draw a spark. Most computers are not well designed or
protected.
That said, I had no idea the K3 was susceptible to ESD - via the K-Pod.
Bill W2BLC K-Line
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--
R. Kevin Stover
AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441
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------------------------------
Message: 5
Date: Sat, 12 Nov 2016 10:47:23 -0600
From: "David F. Reed" <w5sv.d...@gmail.com>
To: elecraft Reflector <elecraft@mailman.qth.net>, k...@yahoogroups.com
Subject: [Elecraft] PX3 question
Message-ID: <08433cd0-e3e9-8a3b-d4e6-ec90f1525...@gmail.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
I am running a KX3-PX3 set; on the PX3 set for the spectrum in top,
waterfall on bottom, I note the following oddity: The right side of the
spectrum display has a green tint to it.
What's up with that?
Is it normal; anyone else see it?
Thanks & 73 de Dave, W5SV
------------------------------
Message: 6
Date: Sat, 12 Nov 2016 10:48:01 -0600
From: "kbeck...@wi.rr.com" <kbeck...@wi.rr.com>
To: <elecraft@mailman.qth.net>
Subject: Re: [Elecraft] K3 EZ
Message-ID: <58849B6B74FF4D07B1253786725C92B6@dellquadcore>
Content-Type: text/plain; charset="UTF-8"
The latest version of K3 EZ is 2.0.0.8
http://na6m.com/EZ-K3/K3_EZ_V2008.zip
K9GL
----- Original Message -----
From: "NW0M" <n...@embarqmail.com>
To: <elecraft@mailman.qth.net>
Sent: Saturday, November 12, 2016 9:38 AM
Subject: Re: [Elecraft] K3 EZ
Bill, why do you say K3 EZ is defunct? I just installed it (v2.0.0.7) on a
new Windows 10 laptop.
73, Mitch
NW?M
------------------------------
Message: 7
Date: Sat, 12 Nov 2016 17:21:30 +0000 (UTC)
From: rick jones <n3...@yahoo.com>
To: Elecraft Mailing List <elecraft@mailman.qth.net>
Subject: Re: [Elecraft] [FS] Pelican Storm Case for K3 and P3
Message-ID: <580517904.2769749.1478971290...@mail.yahoo.com>
Content-Type: text/plain; charset=UTF-8
Sold. Thanks for the bandwidth! Rick?It is not possible to cheat Ohm's Law.
If you try, you will have to answer to the Blue Smoke Monster.
------------------------------
Message: 8
Date: Sat, 12 Nov 2016 09:27:19 -0800
From: Walter Underwood <wun...@wunderwood.org>
To: Elecraft Reflector <elecraft@mailman.qth.net>
Subject: Re: [Elecraft] K3 EZ
Message-ID: <1bfb0d7e-e088-4c1c-a7d3-628484f9e...@wunderwood.org>
Content-Type: text/plain; charset=utf-8
The most recent file in that distro is from April 22, 2012. It might not be
defunct, but it does not appear to be maintained, with no releases in 4.5
years.
wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)
On Nov 12, 2016, at 8:48 AM, kbeck...@wi.rr.com <kbeck...@wi.rr.com> wrote:
The latest version of K3 EZ is 2.0.0.8
http://na6m.com/EZ-K3/K3_EZ_V2008.zip
K9GL
----- Original Message -----
From: "NW0M" <n...@embarqmail.com>
To: <elecraft@mailman.qth.net>
Sent: Saturday, November 12, 2016 9:38 AM
Subject: Re: [Elecraft] K3 EZ
Bill, why do you say K3 EZ is defunct? I just installed it (v2.0.0.7) on a
new Windows 10 laptop.
73, Mitch
NW?M
______________________________________________________________
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Message delivered to wun...@wunderwood.org
------------------------------
Message: 9
Date: Sat, 12 Nov 2016 11:28:26 -0600
From: "David F. Reed" <w5sv.d...@gmail.com>
To: pari...@frontier.com, k...@yahoogroups.com, elecraft Reflector
<elecraft@mailman.qth.net>
Subject: Re: [Elecraft] PX3 question
Message-ID: <3da943cb-dcf0-c6a2-14d6-b96a1207a...@gmail.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
That must be it; I am running DATA-A mode, and have the bandwidth maxed
out; since data-a is USB in my use, it takes the right half of the
screen because of the frequency range I have it set for; thanks for the
clue that got me to realize what was going on.
73 de Dave, W5SV
On 11/12/16 11:23, Dale Parfitt wrote:
Are you referring to the bandwidth green column? If so it just shows you the
width of your current filter setting.
Dale W4OP
-----Original Message-----
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of David
F. Reed
Sent: Saturday, November 12, 2016 11:47 AM
To: elecraft Reflector; k...@yahoogroups.com
Subject: [Elecraft] PX3 question
I am running a KX3-PX3 set; on the PX3 set for the spectrum in top,
waterfall on bottom, I note the following oddity: The right side of the
spectrum display has a green tint to it.
What's up with that?
Is it normal; anyone else see it?
Thanks & 73 de Dave, W5SV
------------------------------
Message: 10
Date: Sat, 12 Nov 2016 12:53:17 -0500
From: jermo <je...@carolinaheli.com>
To: Walter Underwood <wun...@wunderwood.org>, Elecraft Reflector
<elecraft@mailman.qth.net>
Subject: Re: [Elecraft] K3 EZ
Message-ID: <sydmvuadtgbhrxxy02thfn2f.1478973197...@email.android.com>
Content-Type: text/plain; charset=utf-8
Anyone have the source code?
Sent via the Samsung GALAXY S? 5, an AT&T 4G LTE smartphone
-------- Original message --------
From: Walter Underwood <wun...@wunderwood.org>
Date: 11/12/16 12:27 (GMT-05:00)
To: Elecraft Reflector <elecraft@mailman.qth.net>
Subject: Re: [Elecraft] K3 EZ
The most recent file in that distro is from April 22, 2012. It might not be
defunct, but it does not appear to be maintained, with no releases in 4.5
years.
wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)
On Nov 12, 2016, at 8:48 AM, kbeck...@wi.rr.com <kbeck...@wi.rr.com> wrote:
The latest version of K3 EZ is 2.0.0.8
http://na6m.com/EZ-K3/K3_EZ_V2008.zip
K9GL
----- Original Message -----
From: "NW0M" <n...@embarqmail.com>
To: <elecraft@mailman.qth.net>
Sent: Saturday, November 12, 2016 9:38 AM
Subject: Re: [Elecraft] K3 EZ
Bill, why do you say K3 EZ is defunct?? I just installed it (v2.0.0.7) on a
new Windows 10 laptop.
73, Mitch
NW?M
______________________________________________________________
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Message delivered to je...@carolinaheli.com
------------------------------
Message: 11
Date: Sat, 12 Nov 2016 11:00:14 -0700 (MST)
From: NW0M <n...@embarqmail.com>
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 EZ
Message-ID: <1478973614351-7623949.p...@n2.nabble.com>
Content-Type: text/plain; charset=us-ascii
That's the zipped file that I used. When you unzip that file the folder is
actually 2.0.0.7.
--
View this message in context:
http://elecraft.365791.n2.nabble.com/K3-EQ-settings-tp7623940p7623949.html
Sent from the Elecraft mailing list archive at Nabble.com.
------------------------------
Message: 12
Date: Sat, 12 Nov 2016 12:20:03 -0600
From: "kbeck...@wi.rr.com" <kbeck...@wi.rr.com>
To: <elecraft@mailman.qth.net>
Subject: Re: [Elecraft] K3 EZ
Message-ID: <3552DB8C37174415A89B2752F243C9BE@dellquadcore>
Content-Type: text/plain; charset="iso-8859-1"
The install says it's 2.0.0.7, but it's actually 2.0.0.8. If you compare
the 2 zip files the 2.0.0.8 was created 5/22/2012 and 2.0.0.7 was created
5/9/2012, the author just neglected to change the number.
http://na6m.com/EZ-K3/K3_EZ_V2008.zip
http://na6m.com/EZ-K3/K3_EZ2007.zip
The only difference between the 2 is V2.0.0.8 Corrected bug, index error if
saved MEM count null.
Keith
K9GL
----- Original Message -----
From: "NW0M" <n...@embarqmail.com>
To: <elecraft@mailman.qth.net>
Sent: Saturday, November 12, 2016 12:00 PM
Subject: Re: [Elecraft] K3 EZ
That's the zipped file that I used. When you unzip that file the folder is
actually 2.0.0.7.
------------------------------
Message: 13
Date: Sat, 12 Nov 2016 13:08:29 -0600
From: "Jim McDonald" <j...@n7us.net>
To: "'jermo'" <je...@carolinaheli.com>, "'Walter Underwood'"
<wun...@wunderwood.org>, "'Elecraft Reflector'"
<elecraft@mailman.qth.net>
Subject: Re: [Elecraft] K3 EZ
Message-ID: <000001d23d18$280ebe50$782c3af0$@n7us.net>
Content-Type: text/plain; charset="utf-8"
The developer is N2BC.
73, Jim N7US
-----Original Message-----
Anyone have the source code?
-------- Original message --------
The most recent file in that distro is from April 22, 2012. It might not be
defunct, but it does not appear to be maintained, with no releases in 4.5
years.
wunder
K6WRU
------------------------------
Message: 14
Date: Sat, 12 Nov 2016 11:23:02 -0800
From: "Terry Brown" <n...@comcast.net>
To: <elecraft@mailman.qth.net>
Subject: [Elecraft] Magnetic Loop Antenna Question
Message-ID: <00ff01d23d1a$30753f40$915fbdc0$@comcast.net>
Content-Type: text/plain; charset="us-ascii"
Hello Group,
I am looking for some feedback from those using magnetic loop antennas with
the current band conditions. I use dipoles or end fed random wires when I
am in the field with my KX3. When I am at my home, I use a horizontal loop
that is a close to a full wavelength on 80, and a 10-15-20 meter beam. In
the field I a running max 15w with my KX3 and at home 100W with my KXPA100.
I know that mag loops are not as efficient as a dipole and will never
receive or transmit as well because of their compact size as my field
antennas. I have been toying with the idea of building/buying one for times
when I need a compact antenna for 40-10 meters.
When I have looked at YouTube videos of folks using magnetic loops, they are
all from a time when band conditions were far better than they are now.
Can any of you current magnetic loop antenna users in the group tell me how
they are performing now and what is a realistic expectation as the cycle
continues to drop. I should also say that I am almost exclusively a CW
operator. I can envision using a mag loop from hotel rooms or other travel
times when I can't get a long wire or a dipole in a tree.
Thanks,
Terry, N7TB
------------------------------
Message: 15
Date: Sat, 12 Nov 2016 12:18:24 -0800
From: Fred Jensen <k6...@foothill.net>
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Magnetic Loop Antenna Question
Message-ID: <6fe242a9-b50a-ddb4-f59f-94bee02b6...@foothill.net>
Content-Type: text/plain; charset=windows-1252; format=flowed
All the antennas you say you use are E-field antennas, they couple to
the E-component of the EM wave [which includes your horizontal loop].
Mag loops couple to the H-component. Away from the antenna [far-field],
the EM-wave has both E and H components orthogonal to each other, and it
doesn't matter how the wave was launched.
Antenna efficiency is complex. E-field antennas are strongly affected
by surroundings, imbalance, and the like because objects in their
environment have varying conductivities which contributes to their
inefficiencies. Mag loops are mostly insensitive to surroundings
because most of the objects [including me sitting under my Alexloop]
exhibit a permeability of 1.0 or very close [ferromagnetic metal
buildings, towers, and railroad tracks excepted].
The radiation resistance of most E-field antennas that hams use is
fairly high compared to the loss resistance in the wires. Radiation
resistance for mag loops is very low, usually measured in the milliohm
range, and in the general range of the loss resistance in the loop
conductor. Thus, loop resistance is a major factor in efficiency or the
lack of it.
In QRP field settings, my Alexloop [H-field] regularly outperforms the
E-field Buddipole I had in all the configurations I tried for the BP.
The resonant loop has a very high Q and suffers from very narrow
bandwidth [4-10 KHz depending on the band] and must be very carefully
adjusted after each QSY. On balance, my loop is quieter than the
end-fed I also use outside and it has a pronounced null orthogonal to
the loop plane which can be useful. The KAT2 takes care of matching the
end-fed, it's bypassed for the loop and tuning is critical.
As always, life is a series of trade-offs. I have not found any
correlation between the solar cycle and antenna choice. [:-)
You mentioned a KXPA100: Beware, mag loops exhibit some surprisingly
high voltages and circulating currents, even at 10-15 W. There's a
nifty calculator at
www.66pacific.com/calculators/small_tx_loop_calc.aspx
73,
Fred K6DGW
- Sparks NV DM09dn
- Northern California Contest Club
- CU in the Cal QSO Party 7-8 Oct 2017
- www.cqp.org
On 11/12/2016 11:23 AM, Terry Brown wrote:
I am looking for some feedback from those using magnetic loop antennas with
the current band conditions. I use dipoles or end fed random wires when I
am in the field with my KX3. When I am at my home, I use a horizontal loop
that is a close to a full wavelength on 80, and a 10-15-20 meter beam. In
the field I a running max 15w with my KX3 and at home 100W with my KXPA100.
I know that mag loops are not as efficient as a dipole and will never
receive or transmit as well because of their compact size as my field
antennas. I have been toying with the idea of building/buying one for times
when I need a compact antenna for 40-10 meters.
When I have looked at YouTube videos of folks using magnetic loops, they are
all from a time when band conditions were far better than they are now.
Can any of you current magnetic loop antenna users in the group tell me how
they are performing now and what is a realistic expectation as the cycle
continues to drop. I should also say that I am almost exclusively a CW
operator. I can envision using a mag loop from hotel rooms or other travel
times when I can't get a long wire or a dipole in a tree.
Thanks,
Terry, N7TB
______________________________________________________________
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Help: http://mailman.qth.net/mmfaq.htm
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Message delivered to k6...@foothill.net
-----
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2016.0.7859 / Virus Database: 4664/13395 - Release Date: 11/12/16
------------------------------
Message: 16
Date: Sat, 12 Nov 2016 15:38:26 -0500
From: r...@aol.com
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3S USB driver problem
Message-ID: <625625.7f37c596.4558d...@aol.com>
Content-Type: text/plain; charset="US-ASCII"
My K3S with Elecraft USB cable going the radio to computer worked great on
my old Windows 7 64-bit computer. Now I'm trying to use the same radio
and same USB cable with another Windows 7 64-bit computer and cannot get it
to work as I'm having problems getting the driver installed. Some related
thoughts:
1) This Windows 7 64-bit computer cannot auotmatically find a Driver for
the USB cable. I'm, quite sure my old W.7 computer installed the driver
automatically without me downloading it manually.
2) Since the new computer cannot find the driver automatically, from the
Elecraft website, I downloaded the Driver file: "CDM v2.12.24 WHQL
Certified" and then unzipped it to the Documents folder. (there are 8
files within
that folder)
Using Device Manager, I try to install the new Driver, but regardless
where I place the zipped or unzipped "CDM v2.12.24 WHQL Certified" driver
file,
Device Manager reports that it "cannot find the driver".
Please advise what I'm doing wrong? Such as, it there on particular file
I need to select manually? Or perhaps this CDM v2.12.24 driver file needs
to be placed in a particular folder?
Thanks & 73,
Dick- K9OM
------------------------------
Message: 17
Date: Sat, 12 Nov 2016 12:54:19 -0800
From: Alan Geller <alan_geller2...@yahoo.com>
To: elecraft@mailman.qth.net
Subject: [Elecraft] WG0AT's KX2 matching unit
Message-ID: <b04ea7ac-d6c2-466d-ab90-377dcec2a...@yahoo.com>
Content-Type: text/plain; charset=utf-8
WRT WG0AT?s video https://youtu.be/HkeZhnJo1g4
<https://youtu.be/HkeZhnJo1g4> that Wayne Burdick just put on the group net,
It looks like the ubiquitis and handy BNC to banana plug adapter with a
miniature single sided UNUN to the antenna and ground.
I know there is no such thing, but the video only gave a peek. All I know
is that it is small, it looks like it has a minimalist matching
thingis and it works.
If Steve or any other good fellow could tell us what it is, I would be
interested. Mine always become more bigger and more complicated.
Cheers,
alan/K6ADG
------------------------------
Message: 18
Date: Sat, 12 Nov 2016 13:30:47 -0800
From: Fred Jensen <k6...@foothill.net>
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S USB driver problem
Message-ID: <52395433-90f2-0544-65dd-3e2b138fe...@foothill.net>
Content-Type: text/plain; charset=windows-1252; format=flowed
I can't "advise what you're doing wrong," but ...
Has Windows assigned two USB connections to the same COM port? You can
tell in device mangler. That's happened to me and I've had to go in and
change one of the ports to an unused one. This never happened to me
under XP. Apparently, Windows' USB IQ is inversely proportional to
Windows version #. [:-)
73,
Fred K6DGW
- Sparks NV DM09dn
- Northern California Contest Club
- CU in the Cal QSO Party 7-8 Oct 2017
- www.cqp.org
On 11/12/2016 12:38 PM, Dick via Elecraft wrote:
Please advise what I'm doing wrong? Such as, it there on particular file
I need to select manually? Or perhaps this CDM v2.12.24 driver file needs
to be placed in a particular folder?
Thanks & 73,
Dick- K9OM
------------------------------
Message: 19
Date: Sat, 12 Nov 2016 16:34:49 -0500
From: Tad Danley <tdan...@centurylink.net>
To: elecraft@mailman.qth.net
Subject: [Elecraft] TX audio via N1MM+
Message-ID: <2e90580b-365e-cf38-1c46-86666f5de...@centurylink.net>
Content-Type: text/plain; charset=utf-8; format=flowed
Is there a template for configuring N1MM+ to use with a K3s so that I
can record TX audio on the fly using the Function keys?
Asking for a friend as I don't (yet) own a K3s, but I know his has
direct USB connection to the PC so I'm not sure where to start in
configuring N1MM+ and the K3s.
Thanks and 73,
--
Tad Danley, K3TD
------------------------------
Message: 20
Date: Sat, 12 Nov 2016 21:36:50 +0000 (UTC)
From: rick jones <n3...@yahoo.com>
To: Elecraft Mailing List <elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Magnetic Loop Antenna Question
Message-ID: <2122763465.2871132.1478986610...@mail.yahoo.com>
Content-Type: text/plain; charset=UTF-8
Sorry, this ended up being quite long winded! I'm currently building one
from a Russian Vacuum Variable Cap from ebay. Pure DC resistance is the
biggest challenge as I see it. Even little additional resistance just turns
into useless heat in the loop so R needs to be as low as possible. The MFJ
mag loop helps in that dept by welding the loop to the variable cap. Since
that is out of reach I am going to use one solid piece of copper pipe bent
into a circle and then a length of 1" solid copper strap will be soldered
to each pipe end and wrap around the ends of the vacuum cap. I figure once
a year I should disassemble the copper/vacuum cap connection and clean any
oxidation off. I found 6cm aluminum automotive fuel pump mounts on ebay
that fit onto the ends of the vacuum caps perfectly providing a mount and
allowing the copper strap connection to take place. Email me directly if
you are going the vacuum cap route and want to see how I'm doing it. There
are two lessons I have lea
rned so far: 1). That Russian vacuum caps are way heaver then I thought.
2): The screw device needs more torque then I originally anticipated. The
weight factor just needs to be addressed with a beefier mount. Since it
will reside at the top of the loop it will have a high center of gravity
and I don't want the wind to knock over a >$200 glass cap! The torque issue
just means I need a stronger NEMA17 stepping motor and a 2 amp easy driver
board to give it extra current. I imagine when it is cold the grease will
stiffen up requiring even more torque. It may come to pass that I will use
a gear reduction stepper motor to get the torque I need. I'm tending to
figure out the little problems as they crop up! I'm building this one for
100 watt operation as the vacuum cap should be able to handle the voltage.
For QRP operation I have found a 2Kv air variable on ebay that (according
to the 99pacific calculator) should handle the 10 watt KX2 for portable
operation. I'm already startin
g rev.2 and I haven't even finished the first one yet! Anyway I'm having a
hard time finding someone to bend the copper pipe. It takes a rolling tube
bender and I don't want to invest $150 at Harbor Freight to use it a few
times! Most local garages can't bend 1" pipe. Too small. I need to find a
fabrication shop. I could use soft copper and try to make a good circle but
I'm a little too OCD for that! Well that's about all I can say so far. I'm
sure I'll have more advice as I finally get this thing actually working!?
------------------------------
Message: 21
Date: Sat, 12 Nov 2016 17:14:40 -0500
From: Don Wilhelm <donw...@embarqmail.com>
To: r...@aol.com, elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S USB driver problem
Message-ID: <7ecbaa8f-dcc9-8f3b-2dd1-18a55ce37...@embarqmail.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Dick,
Since Windows cannot automatically find the new driver file, when you
get to the window that asks 'How do you want to search for driver
software', click "Browse my computer for driver software".
In the window that opens, click the 'Browse' button and navigate to
where you have placed the unzipped file. Windows should then load that
file.
73,
Don W3FPR
On 11/12/2016 3:38 PM, Dick via Elecraft wrote:
My K3S with Elecraft USB cable going the radio to computer worked great on
my old Windows 7 64-bit computer. Now I'm trying to use the same radio
and same USB cable with another Windows 7 64-bit computer and cannot get it
to work as I'm having problems getting the driver installed. Some related
thoughts:
1) This Windows 7 64-bit computer cannot auotmatically find a Driver for
the USB cable. I'm, quite sure my old W.7 computer installed the driver
automatically without me downloading it manually.
2) Since the new computer cannot find the driver automatically, from the
Elecraft website, I downloaded the Driver file: "CDM v2.12.24 WHQL
Certified" and then unzipped it to the Documents folder. (there are 8
files within
that folder)
Using Device Manager, I try to install the new Driver, but regardless
where I place the zipped or unzipped "CDM v2.12.24 WHQL Certified" driver
file,
Device Manager reports that it "cannot find the driver".
Please advise what I'm doing wrong? Such as, it there on particular file
I need to select manually? Or perhaps this CDM v2.12.24 driver file needs
to be placed in a particular folder?
------------------------------
Message: 22
Date: Sat, 12 Nov 2016 14:15:42 -0800
From: Fred Jensen <k6...@foothill.net>
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Magnetic Loop Antenna Question
Message-ID: <9c45724c-bdbe-e11b-77e0-164d530f2...@foothill.net>
Content-Type: text/plain; charset=utf-8; format=flowed
Try muffler repair shops. I think most new ones get the pipe pre-formed
from the suppliers, but an older one might have the equipment to do it.
Or, make it octagonal with soldered fittings, there really is no
discernible difference.
An 18 ft circumference loop with 1" copper pipe will be about 50%
efficient on 40, with a BW of ~5-6 KHz [Q is about 1,000]. That's close
to as small as you'd want for 40, just outside the upper limit for 20
and it will transition to an E-field antenna above 14 MHz, basically it
becomes "an elevated conductor." About 5KV across the capacitor @ 100
W, resonant current will be a bit north of 20 A.
The RF loss-resistance of the pipe will be higher than the DC resistance
since the RF sees only the outside surface of the pipe. I'd look into
some way of getting that cap to the bottom of the loop. On a 5 ft
tripod, the top will be close to 11 ft in the air with a big
"falling-over moment" in the wind.
73,
Fred K6DGW
- Sparks NV DM09dn
- Northern California Contest Club
- CU in the Cal QSO Party 7-8 Oct 2017
- www.cqp.org
On 11/12/2016 1:36 PM, rick jones via Elecraft wrote:
Anyway I'm
having a hard time finding someone to bend the copper pipe. It takes
a rolling tube bender and I don't want to invest $150 at Harbor
Freight to use it a few times! Most local garages can't bend 1" pipe.
Too small. I need to find a fabrication shop. I could use soft copper
and try to make a good circle but I'm a little too OCD for that!
------------------------------
Message: 23
Date: Sat, 12 Nov 2016 16:37:18 -0600
From: K9MA <k...@sdellington.us>
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 Low Output on 15
Message-ID: <6ba77e8a-23f8-c838-c58f-51d4bdfe4...@sdellington.us>
Content-Type: text/plain; charset=utf-8; format=flowed
The output of my K3 (SN 4657) has suddenly dropped 10-15 W on 15 meters,
from about 100 W to 85-90. The other bands haven't changed, nor has the
supply voltage (13.6 V at full power). Restoring to a previous
configuration does not help. I had a similar problem early on, also on
15, and had to ship the K3 back to Elecraft, who replaced the 10 W
module, but not the KPA3. 15 seems to be a problematic band. Has
anyone else seen a problem like this?
73,
Scott K9MA
--
Scott K9MA
k...@sdellington.us
------------------------------
Message: 24
Date: Sun, 13 Nov 2016 05:54:59 +0400
From: a45wg <a4...@sy-edm.com>
To: "elecraft@mailman.qth.net" <elecraft@mailman.qth.net>
Subject: [Elecraft] Fldigi Mac no TX Audio
Message-ID: <30e5fa55-d176-44e0-b0b2-699469fa7...@sy-edm.com>
Content-Type: text/plain; charset=utf-8
Fellow Elecrafters,
I am trying to do some Digital modes but using the
computer/Software
I am running a MacMini, with K3-S. Software is a Fldigi (3.23-13 latest as
of today).
Wiring - 1 USB cable from K3-S to MacMini.
I am using the RIGCat interface.
Configure->Sound Card -> Audio is set to USB Audio Codec (See below for
device confirmation)
K3-A is in DATA-A mode.
PTT-KEY is set to OFF-OFF (mentioned in the k3.xml right file)
QSY Works
Mode Works
RX Works - nice decoding on the Computer screen
But no TX Output. The K3-S red TX light is on - but nothing ?.
As I have decoding on the Screen I am presuming that the USB cable is
receiving Audio from the K3 correctly.
The output from system_profiler SPAudioDataType yields sensible data?.
specifically
Devices:
Built-in Output:
Default System Output Device: Yes
Manufacturer: Apple Inc.
Output Channels: 2
Current SampleRate: 48000
Transport: Built-in
USB Audio CODEC :
Default Output Device: Yes
Manufacturer: Burr-Brown from TI
Output Channels: 2
Current SampleRate: 48000
Transport: USB
USB Audio CODEC :
Default Input Device: Yes
Input Channels: 2
Manufacturer: Burr-Brown from TI
Current SampleRate: 48000
Transport: USB
So what am I missing ?
Answers on an electronic postcard please .
Regards
Tim - A45WG
------------------------------
Message: 25
Date: Sun, 13 Nov 2016 01:58:31 +0000 (UTC)
From: WILLIE BABER <wlba...@bellsouth.net>
To: <elecraft@mailman.qth.net>, K9MA <k...@sdellington.us>
Subject: Re: [Elecraft] K3 Low Output on 15
Message-ID: <519820687.2947960.1479002311...@mail.yahoo.com>
Content-Type: text/plain; charset=UTF-8
My 2014 purchased K3 is 20-25 watts low on 14mhz but all other bands are
good. ....just haven't worried about it as I normally use 50 watts or less
to drive an amplifier. I'll look into it after ARRL DX CW in February, so
long as it doesn't get worse.
73, Will, wj9b
CWops #1085
CWA Advisor levels II and III
http://cwops.org/
--------------------------------------------
On Sat, 11/12/16, K9MA <k...@sdellington.us> wrote:
Subject: [Elecraft] K3 Low Output on 15
To: elecraft@mailman.qth.net
Date: Saturday, November 12, 2016, 3:37 PM
The output of my K3 (SN 4657) has
suddenly dropped 10-15 W on 15 meters,
from about 100 W to 85-90.? The other bands haven't
changed, nor has the
supply voltage (13.6 V at full power). Restoring to a
previous
configuration does not help.? I had a similar problem
early on, also on
15, and had to ship the K3 back to Elecraft, who replaced
the 10 W
module, but not the KPA3.? 15 seems to be a problematic
band.? Has
anyone else seen a problem like this?
73,
Scott? K9MA
--
Scott? K9MA
k...@sdellington.us
______________________________________________________________
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Message delivered to wlba...@bellsouth.net
------------------------------
Message: 26
Date: Sun, 13 Nov 2016 12:01:47 +1000
From: Gary Gregory <vk1zzg...@gmail.com>
To: WILLIE BABER <wlba...@bellsouth.net>
Cc: Scott Ellington <k...@sdellington.us>, Elecraft List
<elecraft@mailman.qth.net>
Subject: Re: [Elecraft] K3 Low Output on 15
Message-ID:
<ca+mfbagjoohnfkflcsaxjmbtju5lfajqkmj-u5p_vakwrbg...@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
Issue not seen on mine. Had it since January 2007 so maybe you have an
issue?
Gary
On Nov 13, 2016 11:59, "WILLIE BABER" <wlba...@bellsouth.net> wrote:
My 2014 purchased K3 is 20-25 watts low on 14mhz but all other bands are
good. ....just haven't worried about it as I normally use 50 watts or less
to drive an amplifier. I'll look into it after ARRL DX CW in February, so
long as it doesn't get worse.
73, Will, wj9b
CWops #1085
CWA Advisor levels II and III
http://cwops.org/
--------------------------------------------
On Sat, 11/12/16, K9MA <k...@sdellington.us> wrote:
Subject: [Elecraft] K3 Low Output on 15
To: elecraft@mailman.qth.net
Date: Saturday, November 12, 2016, 3:37 PM
The output of my K3 (SN 4657) has
suddenly dropped 10-15 W on 15 meters,
from about 100 W to 85-90. The other bands haven't
changed, nor has the
supply voltage (13.6 V at full power). Restoring to a
previous
configuration does not help. I had a similar problem
early on, also on
15, and had to ship the K3 back to Elecraft, who replaced
the 10 W
module, but not the KPA3. 15 seems to be a problematic
band. Has
anyone else seen a problem like this?
73,
Scott K9MA
--
Scott K9MA
k...@sdellington.us
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to wlba...@bellsouth.net
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to vk1zzg...@gmail.com
------------------------------
Message: 27
Date: Sun, 13 Nov 2016 02:52:57 +0000
From: "Thorpe, Jeffrey" <jtho...@liberty.edu>
To: "elecraft@mailman.qth.net" <elecraft@mailman.qth.net>
Subject: [Elecraft] KX3 internal keyer speed limit
Message-ID: <87d38763-bd2a-48c5-a1f4-6fa15e31a...@liberty.edu>
Content-Type: text/plain; charset="us-ascii"
I'm curious - why is the upper limit 50 WPM? Not that I could manually send
anywhere near this, but shouldn't the KX3 be able to send a pre-recorded
message much faster?
Jeff - KG7HDZ
------------------------------
Message: 28
Date: Sat, 12 Nov 2016 22:41:55 -0500
From: Don Wilhelm <donw...@embarqmail.com>
To: a45wg <a4...@sy-edm.com>, "elecraft@mailman.qth.net"
<elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Fldigi Mac no TX Audio
Message-ID: <89251194-aacd-0754-44e9-11eaeed3e...@embarqmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Tim,
Do you have *anything* plugged into the LINE IN jack on the K3S? If so,
that overrides audio from the internal CODEC.
I don't know Apple, but I do know the K3. Go to your computer's
soundcard gain and set the slider for the soundcard output to about 2/3
of maximum.
THEN - during the Fldigi transmit, set the K3S LINE IN level to produce
4 bars solid with the 5th bar flickering on the ALC meter. That is the
proper drive level. Note that for the K3/K3S, this is the NO ALC point.
Adjust the desired power with the power knob. Ignore the internet
advice to use the audio level to adjust the power - the K3/K3S is
different than most transceivers in its power control mechanism.
BTW, you can do those transmit adustments with the K3/K3S in TX TEST
mode so no RF is generated - keep the airways clean of "tuneup signals".
73,
Don W3FPR
On 11/12/2016 8:54 PM, a45wg wrote:
Fellow Elecrafters,
I am trying to do some Digital modes but using the
computer/Software
I am running a MacMini, with K3-S. Software is a Fldigi (3.23-13 latest as
of today).
Wiring - 1 USB cable from K3-S to MacMini.
I am using the RIGCat interface.
Configure->Sound Card -> Audio is set to USB Audio Codec (See below for
device confirmation)
K3-A is in DATA-A mode.
PTT-KEY is set to OFF-OFF (mentioned in the k3.xml right file)
QSY Works
Mode Works
RX Works - nice decoding on the Computer screen
But no TX Output. The K3-S red TX light is on - but nothing ?.
------------------------------
Message: 29
Date: Sat, 12 Nov 2016 20:06:55 -0800
From: Dave AD6A <d...@ad6a.com>
To: elecraft@mailman.qth.net
Subject: [Elecraft] KX2 Vox/PTT Precedence
Message-ID: <f9bfbf49-efd3-4717-9321-c9f88382f...@ad6a.com>
Content-Type: text/plain; charset=utf-8
Just got a KX2 last week and so far I'm loving it! It's a technological marvel!
I did notice one small thing that irks me though. That is, if I use vox to
transmit (I have the vox delay set to 0.5s) and find I want to end the
transmission quickly by pressing the manual XMIT button on the rig, the
button push is ignored by the rig's firmware. Transmission only ends when
the vox times out.
The vox seems to have a higher priority in the firmware. This could cause a
problem when, for example, you are operating the rig in a noisy
environment. It's theoretically possible, given enough noise, that the rig
could get stuck on transmit forever (or at least until you pull the power
or mic cable!).
Might I suggest (in a future version of the firmware) reversing the vox and
PTT precedence in the firmware, so that I can end a vox-started
transmission at any time by pressing the XMIT key on the rig?
72 de Dave AD6A
Sent from my ? iPhone 7+
------------------------------
Message: 30
Date: Sat, 12 Nov 2016 20:34:30 -0800
From: "Thomas Beltran" <tbelt...@earthlink.net>
To: "'Terry Brown'" <n...@comcast.net>, <elecraft@mailman.qth.net>
Subject: Re: [Elecraft] Magnetic Loop Antenna Question
Message-ID: <000501d23d67$3a155c90$ae4015b0$@earthlink.net>
Content-Type: text/plain; charset="us-ascii"
Hi Terry - I have two loops: the MFJ 1788 (40-15 meters) and the Ciro
Mazzoni Midi loop (80-20 meters).
I use the MFJ portable, on a MFJ tripod, and it works well, but better to
answer someone's CQ than trying to call. The downside is it is limited to
places you can drive up to - it is pretty heavy for its small size.
Interestingly, I use it on 40 meters, where I seem to do better than on the
higher bands. I used this loop extensively during the last low cycle,
2008-2010, and checked into a 40 meter net every Sunday with good results
most of the time. The stations were located all over the state.
The Midi is for permanent operation. It weighs 40 pounds, the loop is made
of 3" diameter thick wall tubing, 6.5 feet in diameter. I had troubles at
first with the KX3's cat system, but it is working fine with a work-around
(I use the KX3PA100 as a generic amp). For the past week, I have been
comparing the Midi with my regular antenna, a vertical delta loop with the
apex at 50'. I've only used the Midi on 40 meters so far, where the Midi is
is typically lower than the loop by less than an S-Unit. On receive, they
for the most part, identical. Tom W2CRN
------------------------------
Subject: Digest Footer
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------------------------------
End of Elecraft Digest, Vol 151, Issue 8
****************************************
