Thanks to all for the input. It turned out to be a faulty stereo
phone plug. All is working OK now
Dave, W5UN
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David Cutter wrote:
? Cheap RTVs such as used in bathroom sealant has a vinegar smell and
will attack copper. In a small confined space inside a radio that's
not good. In an open outdoor environment where the gas can escape it's
not such a problem.
The problems about confined space are
Rich,
There where a lot of replies on the RX, and it's great but I also like
to comment on the K3 when it comes to SSB TX:
Audio processing - I get great reports using the HC-4 and compression
and its easy to setup. With the 3.5 mm audio plugs I can use any
headset available, my
David Ferrington, M0XDF, wrote on Thursday, October 23, 2008 2:10 AM
. hell, no 6M until next May anyway! :-)
73 de M0XDF, K3 #174
Don't count on that! :-) At any point in a solar cycle 6m 'Sporadic E'
openings do occur during any month
Well, I 'may' not be QRV on 6M until then - depends when the PR6
ships :-)
Thanks for the insight Geoff - I don't have a brilliant Ant for 6
here, so hoping the pre-amp will help me hear better.
73 de M0XDF, K3 #174
--
Dear God, Did you mean for the giraffe to look like that or was it an
G'day
I want to use a pair of Logitech powered computer speakers with a K3 that I
am just setting up. I am guessing that the speakers can be connected to the
LINE OUT jack (?).
I am also curious of what sort of level I should set CONFIG: LIN OUT to -
and how I can reconfigure LIN OUT from
I don't believe you can do this with LINE OUT - that is really for
data modes.
You can do it using the Speakers output though, then the AF control
will work too.
Ensure you have set CONFIG:SPKRS = 2
Anyone else think I've missed anything?
--
A child, like your stomach, doesn't need all you
just plug it to external Speaker, enable 2 Speakers in the setup Menu
. but do not use an linear-hf-amplifier - the af-amp in the active speakers
is not hf protected
73
OE6KYG
KX1 244
K2 1331
K3 115
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im
David Ferrington, M0XDF wrote:
Well, I 'may' not be QRV on 6M until then - depends when the PR6
ships :-)
Thanks for the insight Geoff - I don't have a brilliant Ant for 6
here, so hoping the pre-amp will help me hear better.
73 de M0XDF, K3 #174
Well, given the current economic
Well, difficult for me to tell, since I don't have a great 6m ant.,
but I think about par with 857 - a good many people on here have said
is quiet deaf.
I have the KXV3 since I also have the XV144 - which I'll get around to
building sometime!
--
Study without desire spoils the memory, and
Ron,
I've used two different Heil products, an old Pro-Set (not the Elecraft
version) and a hand mike, also non-Elecraft. I have had good reports from both
and outstanding when using the hand mike in DX mode.
So far, all my SSB QSOs have been running the K# in QRP mode during various QSO
Bjorn,
We have already exchanged emails about this but just to be sure, did you
change the TXG VCE to a lower setting?
In my case setting it to - 3 dB (minimum) made all the difference. Now even
in the first few seconds it puts out right amount of power.
Gary also told me te set the PS to 14.0
RTV is very often available as gasket maker/filler from your friendly
neighborhood auto parts store.
Permatex #16B, Black, Silicone Adhesive Sealer IS NOT SUITABLE,
CONTAINS ACETIC ACID
PERMATEX #598B, Black, Hi-Temp RTV Silicone Gasket Maker IS SUITABLE and
DOES
Or if you have a hot glue gun you can use that too.
-
73,
Greg - AB7R
Whidbey Island WA
NA-065
On Thu Oct 23 6:17 , Tom Hammond sent:
RTV is very often available as gasket maker/filler from your friendly
neighborhood auto parts store.
Permatex #16B, Black,
David Ferrington, M0XDF wrote:
sorry, found it - thanks for the heads up - ordered mine to ship with
KDVR3 - hell, no 6M until next May anyway!
:-)
73 de M0XDF, K3 #174
You will appreciate the extra dB improvement if you try to make any weak signal
contacts. I know that most of the 6m
I decided to check the effect of different XFIL offsets on Diversity
and thought some of you might be interested:
XFIL/Offset:
Main
2.7k -0.83
1.8k -0.00
500 -0.78
200 -0.91
Sub
2.7k -0.83
500 -0.78
I fed my XG1 to ANT1, set both Main and Sub RXs to Main ANT1, and then
varied WIDTH to
RTV trivia ... RTV stands for Room Temperature Vulcanizing.
If one wants to accelerate the drying process, place a wet
cloth or paper towel over the area. RTV dries by absorbing
moisture.
Others have already noted the smell of acetic acid to identify
the type that can corrode. The
The acetic acid kind comes with a Cushcraft antenna.
This stuff dries on the outside first (duh) but that means
the inside can stay wet for years I got that on mine.
Charles Harpole
[EMAIL PROTECTED]
From: [EMAIL PROTECTED]
To: elecraft@mailman.qth.net
Date: Thu, 23 Oct 2008
The procedure in the KRX3 manual will be reworked to clearly spell out the
need to do the KRX3 checkout procedure before connecting any external
devices to the K3, including speakers, phones, etc.
That's why it says to set SPKRS to 1 so the internal speaker will provide
subreceiver audio. It
Head's up on the PR6 6-Meter Manual. On page 3 of the manual it states that
the white control wire from the PR6Pre-amp should go to Pin 6 of the ACC
connector. However, the drawing actually shows that wire going to Pin 11,
which is highlighted.
I ordered one anyway!
Terry, W0FM
Bill,
Another point of reverence ...
Main:
2.8K -0.00 Hz
500 -0.80 Hz
250 -0.87 Hz
Sub:
2.8K -0.00 Hz
500 -0.80 Hz
SSB/SSB and 500/500 Hz - no frequency/phase difference as expected.
500/250 Hz - approximately 2 Hz warble.
The 2 Hz warble is a bit odd with speakers=2 but
The manual I uploaded last night was an early revision. The Rev A PR6
manual is now on the web site. If it has the same error, we'll correct
it immediately (and well before they ship ;-)
See:
http://www.elecraft.com/manual/PR6%20Owners%20Manual%20Rev%20A.pdf
73, Eric WA6HHQ
Terry
Julian, from my earlier measurements (from per my web site): Adding an
external pre-amplifier between the RF out and RF in of a KXV3 interface
improves the sensitivity by 10 dBm giving 10 dB SINAD at -136 dBm in 400
Hz bandwidth and a MDS of -146 dBm -which compares to an MDS of -136 dBm
A-yup! The correct pin is 6. A corrected manual will be on the web site
soon.
The PR6 comes with a pre-assembled cable to connect it to the power and ACC
output on the K3.
The connection pin was shown for those who will want to remove the connector
and add the control wire to an existing
Maybe if you set CONFIG:LIN OUT =PHONES ... ?
~Iain
On 10/23/08 4:20 AM, David Ferrington, M0XDF wrote:
I don't believe you can do this with LINE OUT - that is really for data
modes.
You can do it using the Speakers output though, then the AF control will
work too.
Ensure you have set
I thought that the correct pin was 11.
Bob
On Thu, Oct 23, 2008 at 10:17 AM, Ron D'Eau Claire [EMAIL PROTECTED] wrote:
A-yup! The correct pin is 6. A corrected manual will be on the web site
soon.
The PR6 comes with a pre-assembled cable to connect it to the power and ACC
output on the K3.
Dave G4AON wrote:
Julian, from my earlier measurements (from per my web site): Adding an
external pre-amplifier between the RF out and RF in of a KXV3 interface
improves the sensitivity by 10 dBm giving 10 dB SINAD at -136 dBm in 400
Hz bandwidth and a MDS of -146 dBm -which compares
That sounds like a huge improvement, but the ARR is a
high-end preamp if I am not mistaken. I guess my question is
really, is the K3 inferior to other transceivers in its price
class as regards 6m sensitivity?
I believe the tests were made with the economy version of the ARR
preamp
Yes, and that's how the manual now reads.
There's an old saying out here in the west, He who shoots quickly from the
hip will shoot himself in the foot.
Some days I'm an expert at that.
The correct pin is the DIGOUT1 signal at pin 11 as shown in the
illustration. The text was wrong.
The
On CW, K3 #1823 power output 'jumps' (for lack of a more descriptive word)
intermittently. While either sending CW (or holding the key down), with the
output power set to 100 watts, the indicated power output occasionally
'jumps' up to 130 watts, or down to 80 watts. This lasts for a character or
Joe Subich, W4TV-3 wrote:
I don't know that you can say performance on six meters should
have been higher than the performance on the HF bands. There
are probably more K3 users who will never use six meters in any
serious way than those who will. However, the Elecraft preamp
does
Julian, others ...
The K3 is ... in my opinion ... quite adequate on 6M. I would
certainly -not- say it's deaf. I have now logged a few hundred
contacts on the band using my K3 and it's performance is OK.
73!
Ken Kopp - K0PP
[EMAIL PROTECTED]
___
My first time on 6M was with the K3 so I really don't have anything to compare
it
to. That said, I was pleasantly surprised to work some JAs with 100W and a
homebrew 2-el moxon at about 20ft.
-
73,
Greg - AB7R
Whidbey Island WA
NA-065
On Thu Oct 23 12:03 , Ken Kopp
I wonder if someone from Elecraft might step in here with a comment on what
their position is regarding 6 mtr sensitivity. Here, I am able to hear a beacon
that is about 25 miles from my QTH with a very minimum of an antenna. I am
waiting for a 6 mtr opening to see if I can make any contacts
G4AON asked about the K3's price class vs. 6 m sensitivity.
The K3 was designed from the ground up to exceed the dynamic range of
every ham transceiver available. That it does (see Sherwood, the QST
review, or our own K3 page).
In order to achieve this, we had to use a down-conversion design
wayne burdick wrote:
For some applications on 6 m you might want a lower NF, and we took this
into account by providing a path into which you could patch an external
preamp, if necessary. Thus the RX IN and RX OUT jacks on the KXV3. We
also provided a way to power it (12VDC OUT) and turn it
I use my K3 often on 6 meters. I have no problem hearing stations on 6
meters. I can hear the noise increase when I connect my 4 element 6 meter
beam to the radio. So at my QTH, I do not need any additional receive gain.
Also the dynamic range is much better on 6 meters then it was on my IC 756
Hello All,
Looking back at my log I see that I worked
many DX station without a 6 Meter Preamp.
Station work : CT1,HI3,JA7QVI,FM1HN,9Y4D,
WP4,JA7WSZ,JE1BMJ,VP2MRM and more.
All with 100W and 3 element HomeBrew Yagi
at 50 ft.
I wud say that the K3 works very nice on 6 Meters.
73 Ken K5DNL
Bob Serwy wrote:
I use my K3 often on 6 meters. I have no problem hearing stations on 6
meters. I can hear the noise increase when I connect my 4 element 6 meter
beam to the radio. So at my QTH, I do not need any additional receive gain.
Also the dynamic range is much better on 6 meters then
Julian, G4ILO wrote:
I'm not saying that performance on six meters should have been higher than
the performance on the HF bands. I'm saying that it should not be worse than
an IC-756 PRO III, a TS-2000 or an FT-2000 would be, considering the claims
made about the K3's performance.
I have
While having a 6-meter preamplifier may help when signals are weak, if
the band well and truly opens, signals will be so strong that overload
will be most operator's main problem. Remember that during the openings
of 1948 and 1959, many stations managed to work WAS with transmitters
that
I have an error on FP in U1 pin 1, which is not soldered.
LCD is in place and soldered. How do I manage to solder pin 1 ?? Any
suggestions are welcome.
73 Allan
OZ8A - 5Q8A
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You must be a
Yes, the 502, I had one of those and worked with the built in antenna to
great results with 2 watts. The K3 has some good noise filtering and the
filters are helpful. I have two other radios capable of 6 meters and have
not done a comparison.
Bill
-Original Message-
From: [EMAIL
As some one who bought the K3 purely for it's RX performance on 6m, can some
one tell me once and for all if it is as good as, or better/worse than,
other radios like the Icom 756 pro etc...
It was my understanding from information provided that it was, is this not
the case??
73
Andy
I'm not saying that performance on six meters should have
been higher than the performance on the HF bands. I'm saying
that it should not be worse than an IC-756 PRO III, a TS-2000
or an FT-2000 would be, considering the claims made about the
K3's performance.
No, you are asking for a
I can say without hesitation that the K3 is sub par on 6 meters compared to
other rigs below its class. I compared directly with an IC746. When we
enjoyed a rare opening on 6 to JA earlier this year I was able to work a JA
with the K3. Barely. And I say barely because the audio was cranked all the
I cannot agree that the K3 is sub par on 6 meters. I also cannot dispute
what Ron says. My Pro III cannot hear any better than my K3 on 6 meters.
You must live in a very quite location and have a very good 746. Like I
said before, at my QTH adding an external preamp would not improve weak
I'm reviewing the discussion on this topic and will be working on a
near-term beta firmware release to improve SSB ALC behavior, etc. I
might have field-test firmware available with some changes as early as
tomorrow, and I'd be happy to send it directly to anyone in the mood to
experiment.
Hello
I had to replace diodes d16 and d17 on my K2 100 watt amp.
When putting it back together I was distracted, and reversed
the leads on P6 aux rf and P3 aux 12 volt leads.
I've been told that bad things happen when you do that. So the
rig will not power up with the amp installed. but with it
Owners of Kenwood TS-440 rigs are painfully aware of a problem caused when
OEM potting goop on the VCO board absorbs moisture. The goop starts to
conduct and the rig stops working. It takes hours to pick the goop out with
dental tools.
The recommended replacement? Hot glue or nothing, as
Allan,
Carve away a bit of the plastic on the socket near pin 1 - cut away
enough to get the soldering iron tip in contact with the pin (yes, it
may also melt a bit more of the plastic and raise a stench). The feed
the solder onto the solder side - under the LCD. It takes a bit of
patience,
I hoped changing the TXG VCE cured this problem. Unfortunately it did not.
Your not alone.
2008/10/23 Ralph Parker [EMAIL PROTECTED]
So:
Hardware problem (unique to #1823) or software problem (others have it
too)?
Hopefully, this will help us narrow it down.
I'm looking forward to your
Joe Subich, W4TV-3 wrote:
No, you are asking for a lower MDS than on HF without regard to
the overall performance of the radio in terms of dynamic range.
There are many K3 users who rely on dynamic range and freedom
from interference on HF that blows away any of the radios you
list.
gd0tep wrote:
As some one who bought the K3 purely for it's RX performance on 6m, can
some one tell me once and for all if it is as good as, or better/worse
than, other radios like the Icom 756 pro etc... It was my understanding
from information provided that it was, is this not the case??
wayne burdick wrote:
I'm reviewing the discussion on this topic and will be working on a
near-term beta firmware release to improve SSB ALC behavior, etc. I
might have field-test firmware available with some changes as early as
tomorrow, and I'd be happy to send it directly to anyone
Where is that option - I'm not aware of that and f/w 2.45 doesn't seem
to have that option?
--
I have never met a man so ignorant that I couldn't learn something from
him. -Galileo Galilei, physicist and astronomer (1564-1642)
On 23 Oct 2008, at 18:24, Iain MacDonnell - K6IAM wrote:
Maybe
On Thu, 2008-10-23 at 05:05 -0700, Julian, G4ILO wrote:
I can always use the FT-817. Just how deaf is the K3 on 6m really, anyway?
Not very deaf at all. It's just not capable of hearing to the thermal
nose floor at a good setup.
Having said that Stock K3's have managed EME contacts so it's not
On 10/23/08 3:38 PM, David Ferrington, M0XDF wrote:
Where is that option - I'm not aware of that and f/w 2.45 doesn't seem
to have that option?
2.46 does have it. When looking at CONFIG:LIN OUT, tap the '1' button.
It's document in the owner's manual too - page 55.
~Iain
The K3's sensitivity specification corresponds to a noise figure
of about 13dB. My K3 meets its sensitivity spec almost exactly,
That's the point. The K3 meets its specifications.
The K3 with a preamp is probably the best 6m receiver available;
but this high-end rig should have
Julian,
clear that this is as a result of a design compromise made on the
basis that HF performance was paramount I don't think it was a compromise,
if it was intentional to keep performance at peak. Weak signal work usually
requires preamp at the antenna not at the radio, and personally
Amen Joe. It is amazing the gripes you hear and the justifications for
them. The specs were advertised; if you didnt like them, why did you
purchase a K3?
I am a very satisfied K3 customer and I have used the K3 to work weak dx on
all the bands 160-6 meters.. Jim K4JAF
-
Scott,
Interchanging the AUX RF and the DC cnnectors would not harm the K2 base
because the AUX RF connector has a protective series capacitor.
What is likely to happen is that you vaporized the trace for the 12VDC
in the KPA100 leading to the red wire of the KPA100 12 volt output to
the base
My point to him was no where is this deficiency on 6 noted in the K3
literature...I'd still buy the K3 and recommend it to others but everyone
should be made aware of its lack of performance on 6. -Ron N4XD
See http://www.elecraft.com/K3/K3_specs.htm
Incidentally, I just looked at the
Hi all,
Personally I wish Elecraft had resisted the temptation to include the 6m
band in the K3. Grafting the 6m band, which is a VHF band, on to a HF
transceiver will always be a compromise at best and at worst it might affect
HF performance negatively. In my opinion ICOM made a good choice in
Having ordered a Elecraft 6 Meter preamp, I have for sale a Down East
Microwave 6MLNACK 6 meter preamp kit unbilt for $25.00 + 8.00 shipping
CONUS.
Please reply off list.
Phil K8MBY K-3 # 609
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Was it something I said? Dumb question or is the problem something obvious I
should know? Any help appreciated!
NZ0T wrote:
It seems my KAT100 is reducing power output on 10, 12 and 15 meters when
in line:
w/tunerw/o tuner
10 75w
The 6 meter preamp has been sold.
73 Phil
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I had my paddle plugged into the back of the K3 as it had been for months. I
turned the rig on and got the message ERR KEY and I was unable to turn off the
K3 with the power switch. The rig is okay if the paddle is not plugged in. I
get the same error if I plug in a unwired plug into the
Anyone know what headphone adapter I use with the Heil BM-10 and a K3?
TIA
Adam
ka7ark
-Original Message-
From: [EMAIL PROTECTED] [mailto:elecraft-
[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, October 22, 2008 8:39 AM
To: rOn;
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