Don Wilhelm wrote:
If one of the outputs is tuned into a 50 ohm resistive load, it is
effectively bypassed. I just don't understand the real need for a
bypass and consider it a 'nicety'. Like if ANT2 has a resonant
multiband antenna connected, just tune it once on each band and you are
read
Good Evening,
The weather has been quite pleasant this week. Enough so that I am now
stiff and sore from cutting, splitting, hauling, and stacking wood!
However, the stiffness is lessening with each passing day as is my
weight. The rains have held off for the most part only raining at
Greg,
If one of the outputs is tuned into a 50 ohm resistive load, it is
effectively bypassed. I just don't understand the real need for a
bypass and consider it a 'nicety'. Like if ANT2 has a resonant
multiband antenna connected, just tune it once on each band and you are
ready to go.
Pe
Chris,
As your first step, you need to obtain some 1N5711 diodes - obtain 5 of
them if you have to order any.
First remove the KPA100 and check the base K2 into a good dummy load.
Do you have good power control over the entire range? If yes, the base
K2 is working, but if no, replace RF Bo
I am completely new to amateur radio, the K1 is my first xcvr, and I
don't even have my license yet.
I have recently completed the assembly of my K1 and I'm not able to pick
anything up on the receiver. I worked with someone on the #hamradio
channel at irc.freenode.net, and hopefully we've nar
On Thursday a few people asked if the KAT3 tuner could be on AUTO for one
antenna and bypassed for the other.
At present it is global. But it is high on the firmware list to be changed
so the tuner state is per antenna. Its not likely to be done prior to first
shipment, but will not be long afte
I hear that Elecraft will be producing a panadaptor? Will this be a hardware
interface with pc based software for the pana? Hopefully so. Maybe Simon can
integrate HRD..
Randy
W8RAN
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You must b
And then there are those of use who are professional usability
engineers... Having met and talked at length with both Wayne and Eric
on several occasions, I suspect that they both know what they're doing.
Being "intuitively obvious" is always the goal but rarely achieved in
practice. And oft
Just off the wire, there seems to be trouble in Aptos
where according to unsubstantiated reports, Wayne has
barricaded himself in with the first K3 lot (250?) and
has refused to let any of them out, nor anyone in.
With the official deadline for release coming in mere
days, Wayne was quoted as sayin
Ed - this is GOOD stuff, thanks for sharing.
[Elecraft] K3 Operation
Ed Muns w0yk at msn.com
Sat Sep 22 21:28:25 EDT 2007
Elecraft] K3 Operation
> Any of the guys that have used the K3 exclusively
for a
> period of weeks or months and then gone back for a
quick look
> at the "old" radio i
On Sat, Sep 22, 2007 at 02:17:06PM -0700, Steve Jackson wrote:
> Are there two fans on the K3, or just on the K3/100?
Two.
> When do the two fans come on?
Either when the PA gets hot enough or you can turn them on a constant speed.
> Do they both run together, or sometimes just one?
Both.
On the "K3 Kit Assembly Manual", Sept. 10,
Preliminary version, refer to page 48,
figure 62. Unless my eyes and photo deceive
me - there appears to be cold solder, poor-flow
solder joints on this board. See solder joints
to the right and slightly below the "Orient
Connection as Shown" caption. S
> Any of the guys that have used the K3 exclusively for a
> period of weeks or months and then gone back for a quick look
> at the "old" radio ie 756p, 1000mp, etc.
> Wonder what that feels like.
I swapped the K3 in for one of the two ProIIIs I've been using lately. All
my operating since I've
Hi Frank:
I just heard Tom, K0SS working K6SAD on 20 meter RTTY. Tom was
using his K3 and was sending CW which was being translated into
RTTY. The only reason I know this is because he mentioned it in his
QSO. I thought he was using a keyboard! Very impressive first hand
demonstration of
Hi Steve:
I wish there was a good way to know what the fans sound like in the K3/100.
For MOST conditions, they don't sound like ANYTHING... they're
virtually silent!
This afternoon I did some CW>RTTY at 100W output, and for 5-6 minutes
at a stretch... the fans cycled up to speed 3 or mayb
I thought it was because you did not install the rework eliminator kit.
I really enjoyed getting to add all of my extra pieces (everything
except the 60m/transverter board) and did not have to do anything (from
the soldering perspective) but unplug and plug.
David Wilburn
[EMAIL PROTECTED]
K4
Any of the guys that have used the K3 exclusively for
a period of weeks or months and then gone back for a
quick look at the "old" radio ie 756p, 1000mp, etc.
Wonder what that feels like.
Anyone used their K3 on AM yet, or have an AM
recording? I think they are still doing some of that
on 20m som
Thanks Bruce. I appreciate it.
Terry
W8EJO
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H
Yeah..you and Norman Hsu!
LOL
de Doug KR2Q
http://online.wsj.com/public/article/SB119029577589633799-FIoQrIt4jKEvzEHN2tlY3mQA78M_20071022.html?mod=tff_main_tff_top
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I agree with Jim, N2EY on all points. However, this forum is an
excellent avenue for consumer feedback. Disagreements should not be
discouraged. The K3 is probably NOT the last product Elecraft will
produce. If there is a profitable niche to address some of the
issues brought up, then i
i am looking for a dead or dying hw9,complete with good front panel& docs.
Thanks john kf7om
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Ron D'Eau Claire <[EMAIL PROTECTED]> wrote:
Those interested in noise canceling might be interested in what the rest of
the communications industry is doing with exotic integrated circuit systems
that kill noise by inverting and adding it to the signal at the antenna
input.
The bad news for t
Those interested in noise canceling might be interested in what the rest of
the communications industry is doing with exotic integrated circuit systems
that kill noise by inverting and adding it to the signal at the antenna
input.
There's one completely IC-based system that's now available:
http:
Okay...had to give it a try. Just worked him on 40m after about 3
minutes of calling. 2.5 minutes spent calling "blind." Then I heard
him call a G3, found the G3 on VFO B (no dual rx) and I was the next
call.
K2/qrp (no KPA here!)
Now for 160? LOL
de Doug KR2Q
___
> I wish there was a good way to know what the fans sound like
> in the K3/100.
They sound the same on as when they are off, unless you really are in an
anechoic chamber. They are incredibly quiet, so much so that I thought they
weren't working and had to go around behind the rig to verify the
Congrats to both!
I worked them with K2/5W/dipole on 40m cw.
73,
Steve
AA4AK
At 04:46 PM 9/22/2007, a.yoshida wrote:
Congratulations to you Rob !
I worked them also with K2/5w on 30/20/17m CW.
de aki, ja1nlx
- Original Message - From: "Robert Boerhorst"
<[EMAIL PROTECTED]>
To:
Now that was cool!!
I just heard Tom, K0SS working K6SAD on 20 meter RTTY. Tom was using his K3
and was sending CW which was being translated into RTTY. The only reason I
know this is because he mentioned it in his QSO. I thought he was using a
keyboard! Very impressive first hand demonstrat
> I wish there was a good way to know what the fans sound like
> in the K3/100.
They sound the same on as when they are off, unless you really are in an
anechoic chamber. They are incredibly quiet, so much so that I thought they
weren't working and had to go around behind the rig to verify the b
Is the price to high, or is there just a glut
on the market with the K3 due out soon?
I have had one nibble so I guess the price is high?
Brett
N2DTS
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Brett
> gazdzinski
> Sent: Thursday, September
I wish there was a good way to know what the fans sound like in the K3/100.
Ironically, here at home I actually have an acoustic anechoic chamber (don't
ask) and could make such a measurement ... if I had a suitable calibrated
microphone, that is. I wonder if Spectrogram or some other sound-gra
Congratulations to you Rob !
I worked them also with K2/5w on 30/20/17m CW.
de aki, ja1nlx
- Original Message -
From: "Robert Boerhorst" <[EMAIL PROTECTED]>
To: "Elecraft"
Sent: Saturday, September 22, 2007 11:56 PM
Subject: [Elecraft] 3B7C
Dear list members,
Worked (and confirme
Steve Kallal wrote:
I understand there is a FINE RIT feature that can correct this frequency
shift. I have the RTTY mode filters set up as:
I would say the RIT steps were part of the problem, rather than part of
cure, but basically you will need frequency measuring equipment with 1Hz
or bett
I'm in the Seattle area and
Would like to see one in person, if
Possible.
Thanks in advance
Dave Stehman
N4DAG
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Hello Eric or Wayne:
We know that your both extremely busy but we had a couple of questions.
In looking through the FAQ and some of the other documentation that has been
posted I and another buyer of the radio have 2 questions.
Offset control on both 6/10 (use both VFO's ?) meters and the ability
I may be having my first run-in with lightning damage.
A thunderstorm rolled through the SF Bay Area last night. I didn't
disconnect my antennas until I *saw* the first lightning flash.
Oops, I think.
I turned on the radio later in the evening, and was getting very
high SWR indications on the K
I'd sure try out the NB in the K3 and letting the rest of us know how it
does with the noise prob. Do you have a good handle on the source of the
noise?
( I used to live 100yds from the main steel towers (270KV) going into Los
Angeles, and they were about S7 when clean)
Al WA6VNN
**
David Cutter wrote:
and spend time to set up the controls, (eg 3B7C). It seems intuitive to me
that with more than one rx antenna and mixers it should be possible to null
more than one signal.
It's not that intuitive. The sense antenna inputs will combine
linearly, which means that if you j
I've really loved the K2 since getting one second hand back in July. I've
added the KPA100, KSB2 and the K160RX options.
But there is one really sore point with me. That is the small frequency
shift when changing filters. It is not a big issue when using CW or SSB. I
can live with that. But it is
Hallo Don,
I use the Heil Proset Plus which has the HC4 & HC5 elements. I like to
ragchew and I like to contest and work DX, so I use both elements
depending on the situation. When contesting for smaller contests such
as the upcoming 50th anniversary of the PA QSO Party on the 2nd weekend
o
Hello David etc,
When you use two noise cancellars to get rid of two noise sources, either
noise will be present at the output of one of the two cancellars, so nothing
is gained.
On an other note, as a lot of local noise is common mode noise, the first
thing to do is to establish if this is the
A different approach that is often very effective is to use a separate
on-ground antenna for receiving! QRN is greatly attenuated at ground level,
much more than signals arriving from overhead. So, while the overall signal
levels are much lower at ground level, the signal to noise ratio is greatly
Thanks, Tree.
Really eager to see how it works out.
73, Bob N6WG
- Original Message -
From: "Tree" <[EMAIL PROTECTED]>
To:
Sent: Saturday, September 22, 2007 9:29 AM
Subject: Re: [Elecraft] K3 Audio Files 75m ssb
> On Sat, Sep 22, 2007 at 09:28:13AM -0700, Robert Tellefsen wrote:
>
>
Don Rasmussen wrote:
Forward by DC0ZO
Dear all,
I want to order a Heil Proset. Which mircophone ist
th e best one for the k2? You can buy the Prosets
with HC4, HC5, ICOM or elecraft mic. Where is the
difference?
I use a two-lead electret element (Radio Shack) wired for Icom . My K2
mic in
Anyone out there have a schematic for a TenTec 405 amplifier. I have
one needing repair that I'd like to mate up to my K-2.
Terry
W8EJO
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On Sat, Sep 22, 2007 at 09:28:13AM -0700, Robert Tellefsen wrote:
> L:istening to the ssb audio, I could hear the static
> crashes in the background. Do any of the noise
> reduction features make a dent in the crashes
> yet?
The honest answer is that I don't know yet. There is some neato noise
Hi Tree
L:istening to the ssb audio, I could hear the static
crashes in the background. Do any of the noise
reduction features make a dent in the crashes
yet?
73, Bob N6WG
- Original Message -
From: "Tree" <[EMAIL PROTECTED]>
To: "Don Rasmussen" <[EMAIL PROTECTED]>
Cc: "Elecraft"
Sent:
This is one of those new features that will make
working 160 through 40 more fun with the new radio
while waiting for the MUF to rise over the next couple
of years.
[Elecraft] K3 Audio Files 75m ssb
On Sat, Sep 22, 2007 at 09:18:05AM -0700, Don
Rasmussen wrote:
> That's just amazing. It sounds
Yes, I appreciate that controls have to be adjusted for each QSY, but when
trying to hear that weak signal amongst QRM you would be on one frequency
and spend time to set up the controls, (eg 3B7C). It seems intuitive to me
that with more than one rx antenna and mixers it should be possible to
On Sat, Sep 22, 2007 at 09:18:05AM -0700, Don Rasmussen wrote:
> That's just amazing. It sounds so much richer that
> way. I am so wanting to get a K3 in my hands. !!!
It is really cool. Speakers will work if you have your head in the
middle.
Tree
___
That's just amazing. It sounds so much richer that
way. I am so wanting to get a K3 in my hands. !!!
I'll be interested to see if the same effect is
noticable using speakers.
-
[Elecraft] K3 Audio Files 75m ssb
On Sat, Sep 22, 2007 at 08:57:20AM -07
If you do have a substantial single point noise source
(like my Maytag front loading washer) and have an ANC4
or MFJ1026 that works for you, the K3 will allow you
QSK CW (K3 needs transverter option) where other
transceivers that don't have this feature will rely on
an RF sensing relay in the noise
Sorry Charlie, Nevada Radio is on the other side of the pond:
1399 --pounds--. $2,827.
New price US is around $2700. New UK prices seem to be around £1,749.95.
Collapse?
NU6T
Rich
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Charles Harpole
Sent: Sat
On Sat, Sep 22, 2007 at 08:57:20AM -0700, Don Rasmussen wrote:
> Wearing headphones, the 75m audio sounds different if
> I pull one of the earplugs away. Is the AF simply mono
> being routed to both sides of the headset?
You are listening to stereo. This is one of the audio effects currently
ava
Tree,
Wearing headphones, the 75m audio sounds different if
I pull one of the earplugs away. Is the AF simply mono
being routed to both sides of the headset?
---
[Elecraft] More K3 Audio Files
I'm not certain if it's because it's recorded in 2
channels or
Charles wrote:
As I predicted, market for the used Pro 3 is already in collapse. Nevada
Radio used $1399.
Charles Harpole
k4vud at hotmail.com
Read closer. That's UK Pounds sterling, -not- US dollars. Multiply times
two.
-Bruce N1RX
___
Elecraft mai
Forward by DC0ZO
Dear all,
I want to order a Heil Proset. Which mircophone ist
th e best one for the k2? You can buy the Prosets
with HC4, HC5, ICOM or elecraft mic. Where is the
difference?
Thanks for your answer
Michael, DC0ZO, K2#5619
___
Elecraf
Randy Downs wrote:
Any Beta testers on the K3 have any comments on how there agc reacts
to noise as compared to older analog rigs? Any "overreaction" to
spikes by the agc? I've been told by various people radios such as
the 7800, etc. that this is an issue. In fact Rob Sherwood had some
posts on
Mark Hampton wrote:
Hi all, I have a S-9 noise level across the bands and despite some
detective work, I have been unable to locate the source.
I feel that I may have to resort to using a noise canceller in order
to use the bands at the home QTH.
Before I purchase one, I'm wondering if any of t
Dear list members,
Worked (and confirmed in their on-line log) 3B7C this week on 17 & 20 m,
with my K2, (QRP only), output 5 Wtts, antenna 2-el Cub. Quad at abt. 8 meters
(24 ft) high.
They were only S2-S3 overhere.at abt. 14:00 hrs UTC.
They sure have good "ears" and good operators on the island
Mark Hampton wrote:
I have a S-9 noise level across the bands and despite some detective
work,
One other thing to consider is whether the interference is actually
coming in on the "earth" connection. With the K2, on 80m, I find that
the noise drops drastically when I disconnect from the mai
No, David, can't say I've done that.
I don't think it would be too successful, though,
because when you tune away from the frequency
where you have nulled a noise source, it comes
back. The null will only hold over a certain
frequency spread, sepending on the band. Then
you have to redo the null.
Bob
Wonder if you (or anyone) has mixed the outputs from 2 or more noise
cancellers, perhaps using different antennas for each.
David
G3UNA
- Original Message -
From: "Robert Tellefsen" <[EMAIL PROTECTED]>
To: "Mark Hampton" <[EMAIL PROTECTED]>; "Elecraft list"
Sent: Saturday, Se
On Sat, Sep 22, 2007 at 09:17:21AM -0400, Ed Rodriguez wrote:
> Hello Gang, Has any of the Field testers used the K3 on 6 meters, and if so
> how did it perform. Beside its HF features I am planning on using it mostly
> for 6 meters, I have a lot of big gunners here in Tampa bay area and would
Hi Mark
If you cannot locate the noise source, can you at least
determine it's direction from you? A simple untuned
loop should allow you to do that.
An antenna noice canceller (ANC) works best if you
can get a pickup antena as close as possible to the
source, relative to the communication antenna
Hello Gang, Has any of the Field testers used the K3 on 6 meters, and if so how
did it perform. Beside its HF features I am planning on using it mostly for 6
meters, I have a lot of big gunners here in Tampa bay area and would like to
see how the receiver handles close station that run a Kilowa
I'll say this and then be quiet.
I find phrases like the following to be extremely offensive:
"designers had K2-its"
"human factor... so often ignored by purist engineers..."
"attacks from rabid fans"
"experts (ex-spurts)"
"Real engineers seem to stall out when they try to confront intangible
Mark,
I would get a hold of your power company and ask for the Ghost Squad. Here is
the Wichita Kansas area there is a dedicated truck and two guys that look for
power line noise from anywhere. They will track it down to a pole...and fix
itor they will track it down to a house and tell y
Hi Mark.
The noise canceling units use phase inversion to cancel noise. They work
okay on noise coming from a singe point source. However, they don't seem to
work well on noise generated from multiple sources or a spread out source as
noise will then arrive in different phases.
DX Engineering's
Any Beta testers on the K3 have any comments on how there agc reacts to noise
as compared to older analog rigs? Any "overreaction" to spikes by the agc? I've
been told by various people radios such as the 7800, etc. that this is an
issue. In fact Rob Sherwood had some posts on a reflector discus
Mark Hampton wrote:
I have a S-9 noise level across the bands and despite some detective
work, I have been unable to locate the source.
Noise cancelers would better be described as interference cancelers.
They work by creating a null in the antenna pattern. They cannot
suppress thermal or u
In a recent message, Mark Hampton <[EMAIL PROTECTED]> wrote ...
I feel that I may have to resort to using a noise canceller in order to
use the bands at the home QTH.
Before I purchase one, I'm wondering if any of the subscribers to this
list use one and if so, how effective are they?
It mig
Hi Mark,
I use a Timewave ANC-4 which is very effective against certain types of
noise (e.g. my neighbours plasma TV) but not sure about wideband noise -
best bet is to see if you can try one on loan). It needed a bit of tweaking
with the sense antenna to get the best out of it. Other units to con
Hi all,
I have a S-9 noise level across the bands and despite some detective
work, I have been unable to locate the source.
I feel that I may have to resort to using a noise canceller in order to use the
bands at the home QTH.
Before I purchase one, I'm wondering if any of the subs
I, for one, am tired of reading about what size knobs/box the K3
should have been.
It is what it is.
As with most things in life, you have a choice to
1. not buy it at all
2. buy it, use it, hate it, sell it
3. buy it, use it, love it, keep it
4. buy it, evaluate it (GUI and/or circuit quali
The size of the K3 doesn't bother me, actually it is a benefit to me. It is
going to replace my Yaesu FT-857 as my mobile radio. Due to a S-9 noise level
problem at my home QTH, operating is almost impossible, so I do all my
operating /M.
Mark M5MDH
___
As I predicted, market for the used Pro 3 is already in collapse. Nevada
Radio used $1399.
Charles Harpole
[EMAIL PROTECTED]
_
Can you find the hidden words? Take a break and play Seekadoo!
http://club.live.com/seekadoo.aspx?i
Whereas I think my old Drake TR-7 had the best UI of any radio I used!
Maybe I was just young and naive then, but it was simple to use and a real
performer.
I have a K3 on order and as I've said before I would willingly pay another
$1,000 for a bigger box with bigger knobs and buttons.
Simo
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