"my KPA500 seems to have an excessive amount of hum/buzz when transmitting.
What should I look for?"
Ask Elecraft support to send you the paper "KPA500 Application Note - Hum
Mitigation". Also ask about the mod kit that includes a longer transformer
hold down bolt an extras rubber disks.
And
About RBN and AX1, here are some results I got recently (KX2, 13'
counterpoise, 10 Watts).
(In the last column I added the distance from my station):
...
VE6JY VE2PID 14033 CW CQ [LoTW] 26 dB 18 wpm 2005z 24
May 3045 km
WE9V VE2PID 14032.9 CW CQ [LoTW] 33 dB 18
I have all of the KPA1500 fan mods and firmware upgrades and they make
the amplifier so much quieter.?? Good job, Elecraft.
What I would like to see, however, is a firmware /option /to exhibit the
following tendency.
Minimum fan speed at 0.?? When the amp detects a PTT, then the fan speed
wo
I recently upgraded to the KXV3B so these are excess to my needs.
PR-6 6M receive preamp with power cable/accessory plug and BNC adapters
KXV3A must be installed in the K3 to use the PR-6. Amp can be used separately
with another receiver.
Both $120 or offer, shipped Priority Mail. USPS money
Is there a fan mod other than a firmware upgrade?
73/jeff/ac0c
alpha-charlie-zero-charlie
www.ac0c.com
On 6/3/19 10:14 AM, Dan Atchison via Elecraft wrote:
I have all of the KPA1500 fan mods and firmware upgrades and they make
the amplifier so much quieter.?? Good job, Elecraft.
What I would
There's a K3 MACRO hiding somewhere that will, upon pressing of TUNE,
activate the tune function and simultaneously de-activate the KPA500
amp;
and afterwards, by tapping TUNE, will re-instate the KPA500 amp to its
original
state before TUNE was pressed. Any ideas on this will be welcome : )
Th
Yes, but can you have a dynamic mic plugged into one and an electret mic
plugged in the other?
The K3/K3S has never supported this, and to this day, annoys the heck
out of me, since I have a Heil HC-4 headset (which is dynamic and
plugged in the rear connector) and an Elecraft hand mic (which is
E
I loaded the 5 US 60 m "channels" into my K3 frequency memories, with
VFO A set to CW parameters, VFO B to USB parameters for each one, and
set to step through the 5 of them when recalled from memory. It works
great, just turn the Big Knob to step through the channels ... remember
CB? ... with
So, let's let the elephant in the room bellow a bit.
Ahem, CYBER SECURITY.
Now that you've put a popular, modern OS in the K4, and hooked it up to
Ethernet (and therefore the Internet), you've just opened a stinking
pile of attack vectors.
And please don't think that no one will bother figuring
On 6/3/2019 11:32 AM, Dave New, N8SBE wrote:
Yes, but can you have a dynamic mic plugged into one and an electret mic
plugged in the other?
Yes! Or at least enough to accomplish what you're seeking.
I have the Yamaha CM500 (required bias on) plugged in the rear and the
Kenwood (MC-60, no b
My mistake, then. I moved recently from a K3 to a K3S, and must have
missed this change in the manual.
I'll check that out.
Thanks for the info, and sorry to have come across so strong on the
list.
73,
-- Dave, N8SBE
Original Message
Subject: Re: [Elecraft] Handedness
From:
Much of that protection can be implemented at the router level (>90% of
all sites) and the internal linux (fairly bullet proof) will deal with
the radio talking to the world.
It shouldn't be too difficult for Elecraft to refine security to the
radio, you'd only need a few ports of network acce
Will a directional coupler be required for the K4 panadapter, similar to the
P3, or will that be integral to the K4?
Thanks.
Marty - N1VH
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mail
I'm not sure what your question is, can you restate it?
Each of the memories can be programmed so that both VFO (and mode for
each if I recall, been some years) are set, in this case one VFO for
USB/FT8 and the other for CW, with their specific frequencies as required.
Then you would simply u
There actually should be NO difference between the K3 and K3S in this regard ….
Grant NQ5T
K3 #2091 KX3 #8342
> On Jun 3, 2019, at 2:55 PM, Dave New, N8SBE wrote:
>
> My mistake, then. I moved recently from a K3 to a K3S, and must have
> missed this change in the manual.
>
> I'll check that
"There's a K3 MACRO hiding somewhere that will, upon pressing of TUNE,
activate the tune function and simultaneously de-activate the KPA500 amp;
and afterwards, by tapping TUNE, will re-instate the KPA500 amp to its original
state before TUNE was pressed. Any ideas on this will be welcome : )"
I use PF1 to switch between front mike input, no bias, and rear mike
input with bias.
73
Bob, K4TAX
On 6/3/2019 1:53 PM, Rick WA6NHC wrote:
On 6/3/2019 11:32 AM, Dave New, N8SBE wrote:
Yes, but can you have a dynamic mic plugged into one and an electret mic
plugged in the other?
Yes! Or
Jack & all others that have helped on this question, I posted. Problem
solved. Turns out the issue was a bad connector on a coax jumper running
from my 160M antenna disconnect switch to the KAT 500 and having wrong
antenna selected in radio. Bottom line: KAT500 and KPA500 both working
great now.
Dave
DDOS is quite hard for any end point (PC, iPhone, K4 etc) to deal with
effectively. If a million zombie Macs decide to simultaneously attack your end
point your best chance is as Rick states, a device that makes up the perimeter
defenses such as a firewall or cyber security alternative (i.
The panadapter is built in to the K4's display. See it on our website!
Brian, W6FVI
On Mon, Jun 3, 2019 at 12:14 PM Marty wrote:
> Will a directional coupler be required for the K4 panadapter, similar to
> the P3, or will that be integral to the K4?
> Thanks.
>
> Marty - N1VH
>
I have my qrp unit in a case with all add on mods. It works great I even
updated to ion batteries for longer life and more power in field. Looking to
get 450 complete. I can send pics. Todd
Sent from Yahoo Mail on Android
__
Elecraft ma
Paul,
I believe you mistook the 'direction' of DDOS attack I was talking
about.
The K4 would not be the target of a DDOS attack, but rather an unwitting
participant in launching a DDOS attack as part of robot army of IoT
devices.
Thousands of hacked IoT devices are for rent on the dark web, for
Shouldn't need to tie up a PF for this feature. The K3 should be able
to remember the setting on a per jack basis.
73,
-- Dave, N8SBE
Original Message
Subject: Re: [Elecraft] Handedness
From: Bob McGraw K4TAX
Date: Mon, June 03, 2019 3:51 pm
To: elecraft@mailman.qth.net
I us
All,
This was an operator error - the delay between T/R relay closure in the
amp and the start of RF was too short. Setting the delay up from 8 to 20
msec solved the problem.
Thanks to all who offered advice.
Bill K5EMI
__
Elecraft
I believe these are all good points that elecraft should consider. As for
myself I am a tinker-er and as such i can imagine many things i would like
to do with the on board system. Personally I would like the option of
"unlocking" access do that I could use the underlying linux system and
would be
Dave,
It does remember the settings on a per jack basis - at least mine does.
You just change the MIC SEL menu from front to rear when switching. The
gain and bias settings should remain the same.
Some hams don't like to explicitly enter the menu, but prefer to assign
it to a PF key.
73,
Actually there is more to think about than security here as well. What
would elecraft do about users that break the system but misconfiguring
stuff, etc... if they allow users to opt in I would fully expect users to
have to agree to owning responsibility for any modifications. This would
mean that
On 6/3/2019 12:14 PM, Rick WA6NHC wrote:
I'm not sure what your question is, can you restate it?
I'll try although it wasn't a question, it was an unexpected observation.
Each of the memories can be programmed so that both VFO (and mode for
each if I recall, been some years) are set, in this
Jeff: In addition to the nightmare for Elecraft you point out, can you
imagine the traffic load it would create on this list? "I loaded
WSJT-X, HRD, and N1MM+ and now the K4 doesn't work. What's wrong?" [:-)
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 6/3/2019 2:19 PM, Jeff Sc
The Elecraft guys might agree to this after a night of heavy drinking, but I
doubt that will happen. You’re right … if it isn’t locked down it would be a
nightmare for them, and one for the rest of us, too.
Grant NQ5T
K3 #2091 KX3 #8342
> On Jun 3, 2019, at 5:43 PM, Fred Jensen wrote:
>
> Je
You guys have now reached the scenario I was trying to ask about last week,
but obviously didn't make myself understood.
When I asked if the K4 would be able to 'talk to the outside world', I meant an
ability to initiate communications with a web site, a server, or something else.
Yes, allowing
I use macros on pf1 and pf2 to do this. Also on KPOD.
Sent from my iPhone
...nr4c. bill
> On Jun 3, 2019, at 2:32 PM, Dave New, N8SBE wrote:
>
> Yes, but can you have a dynamic mic plugged into one and an electret mic
> plugged in the other?
>
> The K3/K3S has never supported this, and to th
Based on the lack of ability to chance the CW rise times, I suspect
Elecraft will not give access to the processor, and OS. I would not.
Why? If too many users change things, and break things, the radio will
get a bad rep... If Elecraft is smart, they will lock the users out of
that level o
Seriously folks, think about the folks in Elecraft support and Service.
Imagine spending an hour working through a problem just to find out that
someone is running modified firmware (and this is firmware, not software
for us to play with).
It's an embedded system. If you break it, you own bo
At this point I am pretty sure Elecraft is up to their neck getting a clean
basic radio out on schedule. Additional bells and whistles will probably take a
while.
Sent from my iPad
> On Jun 3, 2019, at 6:07 PM, Al Lorona wrote:
>
> You guys have now reached the scenario I was trying to ask a
Missed reply all.
At some level even if they do "only" have apps they will have this problem.
App developers will need to be able to modify and test things. Also I doubt
that there would be many apps if this is a separate process than mainstream
linux/windows. why would a hobby developer want to b
Interesting discussion. I think and surmise that the engineers at Elecraft
had to put in a pretty powerful OS and processor to do all of what they
want to do in the box. Especially with 4 RX in the box plus all the other
things it will do. But, besides the issues mentioned in this thread it is
While you can scan or dial through VFO A, once you "land" on a particular
channel, the VFO B frequency and mode associated with that channel is
available by using the VFO A/B button.
I originally loaded the 60m CW frequencies in VFO A for my 60m channels
since I'm more likely to use them working S
Well, all good discussion, but I advise that you do not hold your breath
for "open firm/software in the K4," or basically any access at all.
It's just beyond what any manufacturer can do. I suppose Eric, who is
noted for his business skills, could start up an "E-tunes" app store for
the K4, w
Sent from my Verizon Wireless 4GLTE smartphone
- Reply message -
From: "Lynn W. Taylor, WB6UUT"
To:
Subject: [Elecraft] K4 and Linux Infrastructure
Date: Mon, Jun 3, 2019 15:45
Seriously folks, think about the folks in Elecraft support and Service.
Imagine spending an hour working t
Hi Brian,
I understand that the panadapter is built in to the K4.
The directional coupler added additional functionality to the P3. It gave real
power output and SWR, as well as an output waveform. All functions I use
today. I was wondering if that functionality is avail in K4 since there
I apologize if we have created any confusion on this topic. (Yup - we have been
a little busy as of late with the K4 introduction ;-)
To be clear - we do not plan on granting open access to the main CPU or K4
internal operating system. That would be a impossible situation to support and
it wo
The K4 has internal and external TX waveform monitoring built in. It should
directly support any amp that has a TX sample output, such as the KPA1500.
Wayne
N6KR
elecraft.com
> On Jun 3, 2019, at 5:09 PM, Marty Koszewski wrote:
>
> Hi Brian,
> I understand that the panadapter is built
All this talk about the AX-1 has stirred me up. My wife and I fly to Utah
once or twice a year to visit grandchildren. I have a KX3. Although I am
sure the AX-1 is a nifty and convenient antenna, I had stuff laying around
here, so I built a portable antenna that collapses into a 2 foot length/.
Dave,
I used to take an FT-817 and wire antenna through airport security (TSA)
when I travelled for work. Never had an issue. Put it in your carry-on, and
let TSA inspect it if they check your bags. You may actually want to leave
the battery in, in case they ask you to turn on your rig.
73 de,
I
Dave:
For the most part I get through security without any problems. I just
did a round trip to PJ4 and no one in security seemed to blink. IMHO,
it really depends on the person running the xray machine. Last year I
had a 1500 watt amp and K3 with me, and neither was even opened. If
anythi
What K4 features and capabilities remain under development, and what
features are already developed and cast in stone?
Will all features and specifications described in the product brochure
be viable and fully functional on the first production units?
How long will buyers wait to buy one, i
Bringing a transceiver and power supply in your carry-on is not
against airline regulations and you will not be hassled. I am not sure
what batteries a KX3 takes, I believe that there are some battery
regulations.
John KK9A
Dave Sublette k4to wrote:
All this talk about the AX-1 has stir
My KX3 takes NiMH batteries and as far as I know, airlines do not care about
them. The main concern would be Lithium but even my laptop has Li batteries
and that is always accepted.
73, phil, K7PEH
> On Jun 3, 2019, at 7:12 PM, j...@kk9a.com wrote:
>
> Bringing a transceiver and power supply
I am sure there are just as many horror stories as "I've never had a problem"
stories. Such as the time I was carrying a small Ten-Tec shortwave receiver and
was detained for almost half an hour while the agent stared and actually asked
me, "Voices come out of this thing?"
Meanwhile, an alar
I have carried thousands of $$ of test equipment and HF equipment in as
carry on and chequed luggage, as recently as 4 months ago. Never an issue.
They will swipe it for Nitrates and then let you go.
Your biggest concern is the total wattage of the battery. Check the web
site for your carrier a
On 6/3/2019 7:47 PM, Michael Walker wrote:
I have carried thousands of $$ of test equipment and HF equipment in as
carry on and chequed luggage, as recently as 4 months ago. Never an issue.
More than a few contesters drag radio gear several times a year to
island stations in the Caribbean. On
You're asking for concrete answers to questions Elecraft has already
stated for the most part are not yet final. Stuff like that is what
makes companies wait until everything is nailed down before saying
anything. They said November was the target, and they called it a
target because every
Good grief!
This is computer hardware and software. A business where “before end of year”
really means 2 hours before midnight.
And the “First Quarter” runs until May or June.
Don’t look for all the features to be fully implemented on first delivered
radios. Even the K3S is still a work in p
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