I like the description DSP-tracking crystal filters, it really
says what they will do.
73
Stewart G3RXQ
On Mon, 12 May 2008 19:36:16 -0700, wayne burdick wrote:
The K3 selects a filter based on the user's WIDTH setting, which
usually varies with the mode of operation. Typically you might
select
Hello Elcrafters,
it was tested that KEY OUT port (rear panel of K3) is not in CW PTT
mode acting as PTT OUT (how was wrongly supposed to be) and this was
confirmed by Elecraft as intentional behavior but that if there will
be some feedback/requests from customers, maybe will be possible to
G'day all,
I support the proposal having this at least as an option which would be
logical for folks having external equipment with different time delays where
the sequence could otherwise be started without intention.
73
Len/SM7BIC
Hello Elcrafters,
it was tested that KEY OUT port (rear
Wire antennas! The Buddipole is OK but a decent wire antenna will
outperform.
Simon Brown, HB9DRV
--
From: Brian Lloyd [EMAIL PROTECTED]
Thinking about antennas, I was planning to take my SGC-231 tuner and some
wire but am also looking at the
Yes, I have one. Myself I would take some pre-made wire antennas, probably
dipoles which I can string up.
Simon Brown, HB9DRV
--
From: Robert Allbright [EMAIL PROTECTED]
Simon
have you actually tried the Buddipole?
I haven't but have examined
Simon
have you actually tried the Buddipole?
I haven't but have examined it at Martin Lynch and just think that it
is a very convenient, quick way of getting
on air from a portable location with a system which is going to
considerably outperform mobile whips.
73 Rob, G3RCE
Wire: bend it any way you like except into a coil, unless you really have to.
SGC tuner adds weight and cost to your portable operation which do not add to
your signal. Buy fishing poles instead.
David
G3UNA
From: Simon Brown (HB9DRV) [EMAIL PROTECTED]
Date: 2008/05/13 Tue AM 07:54:05 BST
Robert Allbright wrote:
I haven't but have examined it at Martin Lynch and just think that it
is a very convenient, quick way of getting
on air from a portable location with a system which is going to
considerably outperform mobile whips.
Considerably outperform? Isn't it basically a
If you are more interested in DX, go for the Buddistick? I replaced the whip on
mine with a 12foot MFJ telescopic whip and added an extra pole under the coil,
this meant I could bypass the coil on all bands 20m and up. It worked well with
a good counterpoise/radial system.
All the Buddipole
Wayne, as you know from my private correspondence, I think the variable
filters are the best way to go on this, as there are just not enough
slots to get to an adequate level of protection for anyone who uses a
lot of modes. Another example of thinking outside the box. I LOVE the
use of the
Nothing heard here SN 709..
73
John VE3NFK
DL5OCD wrote:
No, in my case the reveiver is quiet on this frequency.
73
Michael
oe9fwv wrote:
when I am on 50.045.05 with PRE on I hear a low continuous tone. With
PRE off it disappears. When I twist the shift, the tone gets lower or
I also like the term DSP Tracking Filter very much and wish it had been
used initially instead of Roofing Filter so the K3 IF filtering
technique would not have been confused with those receivers using a VHF
first IF.
73,
Don W3FPR
Larry Phipps wrote:
Wayne, as you know from my private
Hi,
I am very curious about the variable filters, a concept which has been
proved in the K2. However I also wonder if the non-linearity of the
diodes (and on top of that the crystals) will not cause more problems
in the K3 environment than they solve. In many modern receiver
concepts
I'm not sure if this has been mentioned before, but after a F/W upgrade, I
found that I need power down the K3, then re-press the power button.
Otherwise, some anomalies exist, including elevated headphone hiss and
slight clicks in the monitor when sending CW.I've now noticed this on at
Hi Elecrafters,
I have always loaded FW releases from the normal http:// Elecraft server.
To load the latest beta version, we are instructed to access an FTP server
(URL = ftp://ftp.elecraft...)
My Internet Explorer config does not allow me to access the FTP site.
What should I do ?
Thanks and
My IE version 6 works fine, Raymond, but sometimes it takes a minute
for their FTP server to respond. I thought that all recent IE
versions included FTP capability. But I use Firefox. I've found that
it's less annoying overall than IE. If nothing else works, maybe you
could download Firefox
Lexa,
You have my full support on this item, in fact I have 'lobbied' in the
past for having KEY OUT become active when PTT IN is asserted - but
*only* in CW non-QSK state. That should not require any additional menu
items, only a change in behavior.
73,
Don W3FPR
Alexandr Kobranov wrote:
This is a question and perhaps a request about the operation of the antenna
1/2 selection in conjunction with the KAT3 internal K3 antenna tuner.
In my normal contest setup here I use two antennas on the same band. One is
resonant so I don't need the ATU. The other is a multi-band doublet
Hallo,
My Internet Explorer config does not allow me to access the FTP site.
What should I do ?
There are many FTP clients available. If for some reason the poor
implementatioon of the Internet Exploder is causing problems, just use
another client.
On most Windows machines you should be
Raymond,
I believe you should have several choices: Change your IE
configuration; or download another browser such as Mozilla Firefox; or
use an FTP application to copy the files to a local folder on your
computer and point K3 Utility to that folder. I am certain these are
only 3 of the
Brian and All,
Wire and a tuner is always good, particularly if you can get it up high
enough. And, it's cheaper But I think a Buddipole could be a good
choice unless you know in advance how you would be able to raise a wire
antenna adequately to get good results. I have a Buddipole
Congratulations to the software folks at Elecraft! I haven't tried the rest of
it yet, but will as time allows.
The VOX operation is vastly improved.
On another note. I really like the CW TX while in SSB. You hit the nail right
on the head regarding it's use on weak signal work. Now I can
Hi Brian
It really depends on what you can find for
antenna supports. A wire dipole cut to frequency
and up in the air higher than you are likely to
raise a Buddipole will do more for you. The
Buddipole makes a nice fallback antenna, but
I'd try for an elevated wire antenna where possible.
73,
I have K3/100 #757 using firmware 1.94 MCU and 1.73 DSP.
I have been getting an ERR TXG message when trying the Transmitter Gain Low-
Power Calibration on most bands. 80 meters was OK and 20 meters sometimes was
OK.
I noticed my external power meter was showing 10 watts output while the K3
Are there any even more pleasant surprises in store at
Dayton this year?
73,
Julius
Julius Fazekas
N2WN
Tennessee Contest Group
TnQP http://www.tnqp.org/
Elecraft K2/100 #3311
Elecraft K2/100 #4455
Elecraft K3/100 #366
___
Elecraft mailing list
Post
Craig
On the antenna port where you would like
the ATU to be in BYPASS mode, instead load
that port into a 50 ohm load and run the ATU.
The other port can then match whatever antenna
you throw at it, but when you switch back to
the bypass port, you won't have to remember to
fuss with the ATU.
Good
They are different for different modes:
SSB1.0 2.5 5.0
CW 0.5 1.0
Data 0.1 1.0
AM 5.0 10.0
FM UNK
FM 5.0
73,
... Joe, W4TV
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ken K3IU
Sent: Monday, May
Brian,
Also remember that one cannot defeat the laws of physics.
A Buddypole is nothing but a piece of radiating 'wire' (OK, so it is a
tube or whip, little difference) that is tuned by the inductor. A piece
of wire the same length as the Buddypole attached to a tuner should
perform about
Brian,
Have you considered something like the YO-YO tenna?
www.hamradiofun.com/yoyodeluxe.html
They are very nice and compact dipole antenna and can be made to
resonant length by only spooling out the correct amount of wire that you
need for the particular band you want to work. Hoist it up in
Well, I have, and found that the lower the threshold, the less stable.
Using the beta version, with THR = 2 excursions of 20 Hz between
auto-spot invocations are not uncommon - yet on the same signal (S5 or
so) the 1.78 version performs very well. The side by side comparison
with two rigs using
I am having problems with the 50 watt TX Gain Calibration, it shows 0
watts and gives the error ERR TXG. The Low-Power 5 watt test
worked fine and have low power output.
Anyone had and resolved this problem?
Running FW 1.88
Thanks,
Joe N9VX
K3 #841
Wow! Thanks for all the input. FWIW, I already own the SGC-231 tuner
so it and wire cost me nothing. I would have to buy the Buddipole so
it would have to be significantly easier/better to use to make it
worth spending $400 on.
Again, thanks for all the input. I appreciate it.
Brian Lloyd
Bob,
Try setting the threshold to 2 or 3 (CWT Hold). With a fixed
threshold, it seems very close to the previous performance on
all but the strongest signals (and even the old FW was a bit
touchy with S9+20 signals).
73,
... Joe, W4TV
-Original Message-
From: [EMAIL
Craig D. Smith wrote:
In my normal contest setup here I use two antennas on the same band. One is
resonant so I don't need the ATU. The other is a multi-band doublet that I
use the KAT3 to tune. The beauty of this is that I can quickly switch from
one to the other with the K3 front panel ANT
OK, I am convinced - keep the tuner and the wire. So, that brings up a
second question: balanced vs. unbalanced.
Wire antennas that do not require a counterpoise are usually loops or
dipoles, i.e. inherently balanced even if not resonant. Most tuners
offer an unbalanced output. SGC says,
Have you initialized the PA in the menu and turned the rig off and on
a couple of times?
Dave Wilburn
K4DGW
K2/100 - S/N 5982
K3/100 - S/N 766
For those who fought for it, freedom has a flavor the protected will
never know.
Joe Word wrote:
I am having problems with the 50 watt TX Gain
From the K3 utility I can go to HelpK3 Firmware Release notes and see the
release notes. But I can't print them. I get nothing when I right-click a
mouse. Is this normal?
I could not just click on the ftp info from the beta test firmware
instructions. I had to cut and paste the ftp info to the
I have the same concern as Craig. The recommendation from Robert and Vic
don't work on my K3.
Here's my scheme:
Ant. 1 is a non-resonant dipole. On 20m for example, SWR is 4.5:1. The ATU
brings it to 1:1.
Ant. 2 is a screwdriver vertical on tin roof, adjusted (with ATU bypassed)
to show 1:1.
I
Brian,
For portable operation at low power, you will typically not experience
any ill effects from connecting the antenna directly to the tuner. But
a switchable 1:1/4:1 current balun (like the Elecraft BL2) can be used
to effectively increase the range of the tuner - try both positions and
Dave, PA is set to nor and have turned off/on multiple times.
Just checked the Circuit Breaker, it's making contact.
Joe
Dave wrote..
Have you initialized the PA in the menu and turned the rig off and on
a couple of times?
Dave Wilburn
I borrowed a friends buddipole setup for a trip to Valdosta, GA with
my K2/100. It had an 8' mast. My understanding is it perfoms
significantly better with the 16' mast. It did ok for what I was
doing. I had a 20m dipole strung low, and the buddipole did better
than that. The biggest plus
Hi Brian
I don't recall if you mentioned what power level you
would be using with your K2. If it is running barefoot,
without the 100w PA, you could use one of the Elecraft
switchable baluns. They switch between 1:1 and 4:1
ratios, giving you a good chance to match most balanced
feeds.
Even
On Tue, 13 May 2008 10:56:27 -0400, Joe, W4TV wrote:
Bob,
Try setting the threshold to 2 or 3 (CWT Hold). With a fixed
threshold, it seems very close to the previous performance on
all but the strongest signals (and even the old FW was a bit
touchy with S9+20 signals).
73,
... Joe,
Last year I used an inverted V doublet, supported by a telescopic
carbon fibre pole (DK9SQ pole http://www.qsl.net/dk9sq and review at http://www.eham.net/reviews/detail/1094)
and fed by a short length of ribbon (300 ohms I think, the clear
plastic type) via an SG237. The doublet was not cut
I think I see the problem.
An ATU does not normally autoadjust. You have
to tell it that you want it to run.
You first set up the ATU with ant1 at whatever frequency
you want to use. Then switch to ant2 and again set it up.
Now both antennas are matched on that frequency.
From now on, you
Hi,
I'm looking for articles on how the new roofing filter designs work. I've
seen the PowerPoint on Rob Sherwood's site, but it doesn't answer all my
questions.
Questions came up in a discussion with a friend of mine who is considering
the INRAD roofing filter mod for his Kenwood
It would really help if we could drop the incorrect balanced/unbalanced
nomenclature, but it's ingrained in Ham lore and it causes
misunderstandings.
A coaxial RF output to an antenna is *balanced*: the currents flowing out
into the coax are as well balanced (perhaps better balanced) than those
Tell him he should buy a K-3.
Dick Green WC1M [EMAIL PROTECTED] wrote:
Hi,
I'm looking for articles on how the new roofing filter designs work. I've
seen the PowerPoint on Rob Sherwood's site, but it doesn't answer all my
questions.
Questions came up in a discussion with
Questions came up in a discussion with a friend of mine who is considering
the INRAD roofing filter mod for his Kenwood TS-950SDX. He operates almost
100% CW, and doesn't hear any IMD products. His beef is noise from stations
that are just outside the passband of his cascaded IF crystal
Don, and others
In older houses in the UK the neutral is bonded to a real ground at the fuse
box, where the ground is usually a long copper rod just a few feet away.
There is rarely in my experience more than a volt or two on the neutral.
More modern houses use PME (protective multiple earthing)
Heard at 50.045 or so here too. Serial number 867. VERY low but there. Has
to be internal as its there with no antenna connected.
Ron
N4XD
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
I'm getting the same result as Bob. No matter how I set the threshold, 2,3,
Automatic, etc, I cannot get it to perform as well as the old 1.78 version
which was just amazing.
Windy KM5Q
Well, I have, and found that the lower the threshold, the less stable.
Using the beta version, with THR = 2
Thanks Robert and Craig.
I got it! In fact, I had it all along. I had been manually resetting ATU
with every band change, not knowing it was doing it for me! I can't tell the
difference between hearing one relay click and numerous relays are clicking
simultaneously -- they sound like one click
I would next open up the K3 update tool, and under the Configuration
tab, select the click on the Edit Crystal Filters... button. In what
ever mode you were getting the TX error on, ensure that one of buttons
on the bottom 4 (including FM if applicable) lines is selected for
that mode. As an
Windy Dankoff KM5Q wrote:
I have the same concern as Craig. The recommendation from Robert and Vic
don't work on my K3.
Here's my scheme:
Ant. 1 is a non-resonant dipole. On 20m for example, SWR is 4.5:1. The ATU
brings it to 1:1.
Ant. 2 is a screwdriver vertical on tin roof, adjusted (with
I fixed the problem. Removed KPA3 and found a gray wire out of T1, at
the C1 end, was under the mounting bracket (KPA3 to RF Shield). The
K3 now puts out full power and the High Power Gain Calibration is
complete for all bands.
Thanks Gary at Elecraft for the excellent help.
And thanks to all
Dick Green WC1M wrote:
My friend maintains that the roofing filter would provide selectivity as
well, but my sense is that unless it's narrower and/or has steeper skirts
than the IF filters, it won't. I believe the Kenwood roofing filter mod is
only on the order of 2K-3K wide, so the
And FireFox has a nice Propagation plugin.
Randy
K8RDD
- Original Message -
From: Dave Martin [EMAIL PROTECTED]
To: Elecraft@mailman.qth.net
Sent: Tuesday, May 13, 2008 9:24 AM
Subject: Re: [Elecraft] K3 BETA FIRMWARE RELEASE -- MCU rev 1.9
My IE version 6 works fine, Raymond, but
I am one of the people who requested that the ATU active / bypass settings
could be stored along with ANT 1 / 2. The reason was that the antenna I
don't want the ATU in circuit for is externally tuned. I still need to put
out a tuning signal, and I guess that having the ATU in circuit might
http://www.arrl.org/news/stories/2008/05/13/10095/?nc=1
--
Dave Wilburn
K4DGW
K2/100 - S/N 5982
K3/100 - S/N 766
For those who fought for it, freedom has a flavor the protected will
never know.
___
Elecraft mailing list
Post to:
I agree completely
David
G3UNA
I am one of the people who requested that the ATU active / bypass settings
could be stored along with ANT 1 / 2. The reason was that the antenna I
don't want the ATU in circuit for is externally tuned. I still need to put
out a tuning signal, and I guess that
There are two videos currently on YouTube which use a sequence of
Elecraft related still images taken from various web sites. Some are
from my site and used without permission.
Other web site owners may wish to check out The Elecraft Band and The
Elecraft Band II by LU1DZ on YouTube:
The BL2 (switchable balun) will handle 250 watts! That should be enough.
Dave W7AQK
- Original Message -
From: Robert Tellefsen [EMAIL PROTECTED]
To: Brian Lloyd [EMAIL PROTECTED]; elecraft Reflector
elecraft@mailman.qth.net
Sent: Tuesday, May 13, 2008 9:54 AM
Subject: Re:
Shame!
And he even missed two of the better images I've seen- the one on the
wall of Bush House, and the one from N8S.
How many of you know where the two beach house photos near the end
were taken? Have been there? Have operated from there?
73, doug
Date: Tue, 13 May 2008 22:35:10 +0100
hi all,
I have to add:
it is only in CW, with PREamp on.
characteristic is that moving the shift alters the height of the tone.
I found one on 50.030, 50.046, 50.078, 50.094
VE3NFK schrieb am 13 May 2008 um 5:12:
Nothing heard here SN 709..
73
John VE3NFK
DL5OCD wrote:
No, in my
Same for me. I would like my (forthcoming) K3 to feature storable ATU bypass
settings, as described by G4ILO.
DaveL G3TJP
==
I agree completely
David
G3UNA
I am one of the people who requested that the ATU active / bypass settings
could be stored along with ANT 1 / 2.
Lisa,
That's great. I'll see you then.
73, andy, ae6y
- Original Message -
From: Lisa Jones - Elecraft Sales [EMAIL PROTECTED]
To: Andrew Faber [EMAIL PROTECTED]
Sent: Tuesday, May 13, 2008 3:26 PM
Subject: Re:Re: KRX3 Invoice
Andy,
I'll check with Ed, but for sure we will have
You're right, Dave.
I have three of them.
Very handy little beasts.
73, Bob N6WG
- Original Message -
From: David Yarnes [EMAIL PROTECTED]
To: Robert Tellefsen [EMAIL PROTECTED]; Brian Lloyd
[EMAIL PROTECTED]; elecraft Reflector
elecraft@mailman.qth.net
Sent: Tuesday, May 13, 2008 2:45
The K3 has quite an array of tools for dealing with noise. At my QTH, I
have a compromise antenna for the low bands that serves up every type
of noise imaginable, so I get plenty of chances to put these tools to
the test.
When I switch to 160 m, I often hear strong pulse noise, as well as a
Windy Dankoff KM5Q wrote:
I set the ATU for for either antenna, or one then the other, but it
NEVER
auto-adjusts when I switch antennas. Never on any band or with any
(mis)tuning of my vertical, have I heard more than one relay click
when
switching ANT 1/2 (no ATU reset).
Windy,
The
Sorry, folks, I hit send too soon on this. Work in progress -- ignore
for now!
Wayne
On May 13, 2008, at 4:08 PM, wayne burdick wrote:
The K3 has quite an array of tools for dealing with noise
---
http://www.elecraft.com
___
Elecraft
This is on the firmware list already. Sorry for not responding sooner
-- problems with e-mail today.
73,
Wayne
N6KR
David Cutter wrote:
I agree completely
David
G3UNA
I am one of the people who requested that the ATU active / bypass
settings
could be stored along with ANT 1 / 2.
Hi,
We're leaving for Dayton early tomorrow and look forward to seeing
everyone this weekend! We'll be at our usual booth (#196-197-198). We'll
have all of our rigs, including three K3's. Two of them will have the
production version of the sub-rx installed for your inspection.
Have you ever
Shameless Tease.
[Elecraft] Re: K3 Operating Tip: Combining noise
blanking and noise reduction
wayne burdick n6kr at elecraft.com
Sorry, folks, I hit send too soon on this. Work in
progress -- ignore
for now!
Wayne
On May 13, 2008, at 4:08 PM, wayne burdick wrote:
The K3 has quite an
Something has happened to the S-meter in this release. All of a sudden I have
signals that are 60dB over S9. I am sure there is no more than 6-10dB
between S9+10 and S9+60. This is also evident when backing off the RF gain.
I have not made any CONFIG changes in order to use the new absolute
Anyone interested in a room (Double) already confirmed for 5/15. 5/16 and
5/17 at the Holiday Inn, Dayton/Fairborn
http://www.k8dd.com/rooms/rooms.htm
Not going to be able to attend. Figured I would offer it to someone here
before I cancel it.
Let me know.
Call 423 365-4460
The status of copyright on open sites on the Web are a good question. The old
(prior to Internet) rule was easy any work given away to the public lost
its copyright protection. Example: a poet hands out copies of his poetry to
public on a street corner. He loses his copyright then and
Even after the recent news reports about problems with it, I just made the
stupid mistake of installing Microsoft's XP Service Pack 3 on my Dell
Dimension 9100 with ATI Radeon display adaptor. Afterwards my 20 flat
panel monitor (which supports 1600 x 1200 DPI resolution at 32 bit color
depth)
78 matches
Mail list logo
