On 2/16/19 20:17 PM, Steve via Elecraft wrote:
> I just bought a KX-3 so I have a couple questions about antennas. I
> would like suggestions for man portable and portable fixed. I have
> received suggestions for end fed antennas for fixed ops but will
> entertain others. Thanks Steve kb1chu
It's
Argh. Wish I had known that an option!
On Sat, Feb 16, 2019, 12:56 PM John Stengrevics Who uses PL-259s? They suck. I ordered my K3S with Ns and really should
> have specified DINs. But, that is a retrofit project for another day.
>
> John
> WA1EAZ
>
> > On Feb 16, 2019, at 2:47 PM, Jim
Exactly my point. A panel mount version is $25.Do you really want to see that
on K3?Very silly.73,Gary K9GS
Original message From: Jim Miller Date:
2/16/19 6:48 PM (GMT-06:00) To: Gary K9GS Cc: John
Stengrevics , Jim Brown ,
Elecraft Reflector Subject: Re: [Elecraft]
On 2/16/2019 3:07 PM, Drew AF2Z wrote:
This allows very tight snugging by hand, no need of wrenching.
What's the logic behind that?
73, Jim K9YC
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On 2/16/2019 2:56 PM, Wayne Burdick wrote:
As time permits, we're trying to better characterize the RF noise that plagues
stations at various locations.
NK7Z is doing that on his excellent site. https://www.nk7z.net/
73, Jim K9YC
I just bought a KX-3 so I have a couple questions about antennas. I
would like suggestions for man portable and portable fixed. I have
received suggestions for end fed antennas for fixed ops but will
entertain others. Thanks Steve kb1chu
Many thanks to all! I figured it out! I was looking to move the band
data and thought it came from the data connection, not the AUX connection.
My own preconceived ideas were holding me back from understanding the
process... Broke it down into little single steps... Connected
everything
I use a single PL-259 for all the transmitting antennas as a lightning
disconnect. I can attest to the fact that trouble ensues if I forget to
tighten it with the pliers. I crashed my computer during the contest
today. Twice, before I caught on.
73,
Scott K9MA
On 2/16/2019 21:40, Drew AF2Z
No, a bit paranoid perhaps but I disconnect the rig entirely, including
p/s cable. It's not too bad since I'm mostly a CW operator and don't
usually have a lot of other peripherals, SDR, computer, etc. connected
to the K3.
BTW, I don't trust the Amphenol name particularly after getting a bad
Hi Dave,
The pdf files you will find at
http://www.ke7x.com/home/k-line-introduction-and-set-up-guide may be of some
help.
73,
Fred KE7X
From: elecraft-boun...@mailman.qth.net on
behalf of Dave Cole (NK7Z)
Sent: Saturday, February 16, 2019 5:51 PM
To:
As is often the case on reflectors, things often drift of the main topic.
RS232, 422. , and RS485 are among a number of electrical specifications that
permits the transmission of serial data. While each has certain inherent
limitations due to the electrical specification, it is really how the
Good Evening,
After a snow filled week the forecast is for sun and then more
snow. The solar flux has risen by one full point. However, a solar
breeze is due to hit on Tuesday. There is another contest this week.
The International DX CW contest. If I can find room on 20 meters I will
I use a 64 key Genovation Keypad via serial and not via the P3, That way the
P3 can have a keyboard plugged into it.
At one time I saw where somone had used a raspberry Pi to make a interface to
go between two keyboarddevices and the P3 but I haven't found it again (that
seems the best way to
Right Gary, a 7/8 EIA flange would be a much better radio connector:)
Actually I have a few 4.3-10 connecters, they should be an easy swap with
SO-239/N jacks but I have yet to use one and I certainly would not do this
on my K3S.
73,
John KK9A
Gary K9GS wrote:
That's about the silliest thing
Don,
Thank you for helping, and thank you for indulging a newcomer to
Elecraft hardware, beyond the K3/P3.
As you can imagine I am excited to get this connected up, but being very
careful! Hence the questions here, and thank you again!
To clarify what I have now:
I have a K3, (not S, with
What the heyull is a " hypricrits " ???
C
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of silve...@charter.net
Sent: Saturday, February 16, 2019 7:04 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Elecraft Digest, Vol 178, Issue 14
Amazing isn't it
Don et al:
That is the best idea! Plus if one has a adequate outside lightning
protection system, properly bonded to the AC mains, and then disconnects
inside where they use a coax switch with gas discharge tubes and a
grounding position, they are negating part of the system protection.
Dave,
Open the KAT500 manual to page 5 and see the cabling diagram depicted there.
There is no relationship between the K3 and P3 for considerations with
the amplifier and ATU.
If you have a K3S - the P3 connects to the P3 with the RS232 connector
and not the ACC connector, so there is no
"The talk of sharing connections with boxes that multiplex over an RS232
connection led me to find the products that speak SDLC to a device that then
communicates with a set of RS232 devices. I hardly think that is the same
thing, since although a single RS232 is required on the computer, it is
Hello,
I have a K3, and a P3, connected to a computer. I now have a KAT500,
and a KPA500.
I do not see a full cabling diagram for the entire setup. Does one
exist? If so, where can I obtain it?
--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL
Google DIN 4.3/10.
https://blog.pasternack.com/rf-components/coaxial-connectors/what-is-so-special-about-the-4-3-10-coaxial-connector/
jim ab3cv
On Sat, Feb 16, 2019 at 7:09 PM Gary K9GS wrote:
> That's about the silliest thing I've ever heard.Really, DIN connectors on
> a radio?73,Gary K9GS
I'm fond of BNC connectors for a number of reasons …
I suggest having a look at the Morse Express website.
You'll find -lots- of interesting stuff. I have bought a
number of their SO-239 -> BNC conversion kits, stock
#OP-SB 1 or OP-SB 2 and use them on many items.
Examples are the Elecraft
I always worry about what I don't know with this kind of discussion that
seems to dive into entrenched positions of pedantic certainty. Since I love
my KX3 and other Elecraft products, as well as various microcontrollers, I
was concerned that I'd missed something about RS232 which I've used for
I experienced a very brief power transient on my house 120 VAC supply. My
KAT500 remained powered but my KPA500 dropped off with the fan running. No
real concern about either response. What was a surprise was that my setting
for Band Change - NORM had reverted to Band Change - STBY. This
That's about the silliest thing I've ever heard.Really, DIN connectors on a
radio?73,Gary K9GS
Original message From: John Stengrevics
Date: 2/16/19 2:55 PM (GMT-06:00) To:
j...@audiosystemsgroup.com Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft]
KPA-1500 failed! Who
https://en.wikipedia.org/wiki/UHF_connector
On Sat, 16 Feb 2019 14:19:48 -0700 Wes writes:
> Thousands of people; without issue.
>
> Wes N7WS
>
> On 2/16/2019 1:55 PM, John Stengrevics wrote:
> > Who uses PL-259s?
>
> __
> Elecraft
Amazing isn't it Hugh? What hypricrits
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of elecraft-requ...@mailman.qth.net
Sent: Saturday, February 16, 2019 6:25 PM
To: elecraft@mailman.qth.net
Subject: Elecraft Digest, Vol 178, Issue 14
Send Elecraft mailing
Drew and all,
I have changed the subject line to something more akin to the current
discussion.
Have you considered adding a coax switch? Turning to switch to an open
position (or better yet to a dummy load) when the radio is not in use
will provide protection and is a lot easier than
I never wrench. I just wiggle the connector as I tighten it and it tightens
down into the v grooves tightly. Almost have to use a pliers to unscrew it.
Chuck Hawley
c-haw...@illinois.edu
Amateur Radio, KE9UW
aka Jack, BMW Motorcycles
From:
Amphenol 83-1SP connectors are great however I have a number of Andrew
44ASP, L44P and L45P connectors in my system and I also consider to be very
high quality UHF connectors.
John KK9A
Jim Brown jim at audiosystemsgroup.com
If you live in North America, the ONLY good PL-259 connector is one
FWIW, I use NO-OX-ID contact grease on my PL259 connectors. This allows
very tight snugging by hand, no need of wrenching.
During lightning season I frequently connect/disconnect my rig and tuner
cables. The fine film of lube on the connector threads makes a big
difference. Without it? A real
As time permits, we're trying to better characterize the RF noise that plagues
stations at various locations.
So far, data collected during this informal survey has taken the form of verbal
descriptions. Scope traces or digitized samples would be much more helpful,
since they'd show the
Guys
the problem here is not who use PL259 or what coaxial is using. I think
Peter and most of us, and mostly if you do contests, is not that, we are
using good coax and connectors over the years and no problem with other
radios or amplifiers, thats what Peter said.
If you are in a contest, you
Viggo,
How do you propose to connect the SDR IQ to the KX3?
The KX3 does not have an IF output - in fact the KX3 IF is either at
baseband or 8kHz if you turn on the 8kHz shift in the menu.
The KX3 DOES have the RX I/Q output which you can connect to a computer
soundcard or the KX3 for a
I don't contest in RTTY (I don't use that mode other than for Dxpeditions)
and rarely even do FT8. I mostly operate CW and a bit of SSB and that's it.
I have no idea why it would fail. I did have some issues in the past with
antennas going stupid on me or the HF-Auto tuner failing to match when
Bob and all,
I think this problem is not so much with the amplifier, but the K3/K3S.
Consider that the switchover from the low power amplifier to the KPA3 is
in the 12 to 15 watt range. That is where the LPA is generating about
all the power it can produce. Above that range, the KPA3 kicks
Thousands of people; without issue.
Wes N7WS
On 2/16/2019 1:55 PM, John Stengrevics wrote:
Who uses PL-259s?
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Who uses PL-259s? They suck. I ordered my K3S with Ns and really should have
specified DINs. But, that is a retrofit project for another day.
John
WA1EAZ
> On Feb 16, 2019, at 2:47 PM, Jim Brown wrote:
>
> On 2/16/2019 9:39 AM, Bob McGraw K4TAX wrote:
>> Do not trust PL-259 connectors
On 2/16/2019 9:39 AM, Bob McGraw K4TAX wrote:
Do not trust PL-259 connectors installed only "finger tight". Today
many of those PL-259 connectors "look good" but are really poor
quality connectors.
If you live in North America, the ONLY good PL-259 connector is one that
labeled Amphenol
I agree with you re PL-259s. I follow best practices in this regard.
Quarter-turn with channel-locks after finger tight, Amphenol 83-1SP, assembled
correctly, with cables swept by a TDR.
- pjd
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of Bob McGraw K4TAX
This discussion has risen its nasty head earlier. Wes and I exchanged
several private e-mails on the topic. Here is what I've learned:
My purchased new from the factory my K3S -100 in August of 2015. With it
I drove my AL-80B with 60 to 80 watts for some two years. Absolute no
issues of
Hi Peter,
I'm sorry to hear about this failure and deeply apologize for the problem.
I'll follow up with another email to you to diagnose what actually happened.
In any case we'll deal with it quickly and get your amp repaired asap.
Eric
elecraft.com
_..._
> On Feb 16, 2019, at 6:28 AM,
Do not trust PL-259 connectors installed only "finger tight". Today many
of those PL-259 connectors "look good" but are really poor quality
connectors. ALWAYS snug the PL-259's with a pair of 4" channel lock
pliers. You'd be amazed how many strange issues will go away.
Not saying this is
Sorry to hear this happen Peter, especially during a contes. LDMOS devices
are suppose to be pretty tough and the KPA1500 is not pushing their limits.
There are videos of a different LDMOS showing it to be indestructible:
https://www.youtube.com/watch?v=8ziYqjMQGEQ Is the KPA1500 cooling and heat
Selling master station controller which integrates the switching and
control functions of amateur stations consisting of two transceivers (or
receiver/transmitter pairs)+ two linear amps. See
W8ZR.net/stationpro/index.htm or review in QST August 2010 for complete
description.
Handles legal limit
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Hello Elecrafters.,
Have some of you connected an SDR IQ to the KX3,, ( use as an Panadapter
with Spectravue) ?
Work very well with the K3
73' Viggo LA9NEA.,
KX3,K3 and KPA500 owner.
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Home:
Unfortunately, you're wrong. My K3S has failed multiple times. Fortunately, my
KPA500 has not. I'm not in the market for a KPA1500.
Wes N7WS
On 2/16/2019 9:01 AM, Mark Goldberg wrote:
It's been said there are no coincidences. Have you checked your coaxes /
connectors? I agree that
His radio blew one final while driving the KPA1500 in the fall.
Now his amp blew one LDMOS.
I’ve been to Peter’s house and used a TDR to check all of his antennas,
cabling, and switching. Cable connectors replaced last year.
I agree it is good idea to check everything again. Looking at the
It's been said there are no coincidences. Have you checked your coaxes /
connectors? I agree that protection built in should not allow radios to
blow finals, but this sounds like too much of a coincidence with two
different radios blowing to not be an external intermittent connection. Try
wiggling
Exact same thing happened to my K3s in October, now my KPA-1500. Yeah, So
done here. Once repaired and confirmed working it will be up for sale. Going
back to a tube amp after this.
- pjd
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of Paul Baldock
Sent:
It sounds like one of the output devices have failed. Half power out
is usually the indicator. A number here have reported this happening.
It would be nice to know why this problem is occurring and if
Elecraft are working on a fix.
- Paul
At 07:10 AM 2/16/2019, rocke...@gmail.com wrote:
I
I talked to Peter on the phone. He has no bias current when amp is transmitting
with no power applied (key on SSB without talking. He is reading 54 volts and
has tried power cycling amp from power supply switch and reseated all cables.
Definitely BAD distortion on SSB (we are close enough to
I think a two-tone test is the best evaluation tool.. The generator is built
into the K3 if you have another receiver that you can use to listen to the amp
output. I use an SDR-IQ which is a very nice tool for this but any other SDR
would do.
Sorry for your pain.
Wes N7WS
On 2/16/2019
Thanks Fellows very much for the input..I will research these and find one that
works the best for me..THANKS AGAIN...
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Help:
I was operating in the ARRL-CW contest this morning and on 20m, with a 1.2:1
SWR on the Yagi, all of a sudden I saw my power drop to about 450-500W with
about 40W in. Worked a few stations but not as easily as when I turned
everything on this morning. Switched over to phone and made a few
The 48 key Genovation is WONDERFUL!!! It allows me to do most
everything with the touch of a button or two - from memories, to
filters, to tuning, and more. The only limit is your imagination for
building macros. I never have to reach across the desk to hands-on the
K3 except to turn it on
Thanks for the replies on my posting about my KAT500 not powering up.It turned
out to be a bad coaxial power connector! My KAT500 is back working like
before.Thanks for the ideas to get my tuner working and it turned out to be a
coaxial power connector, stupid me!Jim Douglas K2ZF
Hi Bob,
On a related subject, but not quite what you asked about, if you are
just looking for a way to fire off macros at the K3, and have the SVGA
for the P3, see:
https://www.nk7z.net/adding-external-keypad-k3/
This is a way to use a 64 key Genovation keypad to fire off complex
macros to
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