I'm thinking this might also act as a gate to prevent excessive rf getting
into the K3 2nd rx. I'm planning to have a horizontal receive antenna
located adjacent to my vertical transmit antenna for diversity reception. I
was just investigating the ICE196, but this idea might be better.
David
Hi all,
just joined the list.
vy 73'
Karl VK2GKA
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I've seen the postings about providing power from the K3 Aux 12v socket - is
there enough to drive the 6m Pre-amp and the P3?
73 de M0XDF, K3 #174, P3 #108
--
Don't say you don't have enough time. You have exactly the same number of
hours per day that were given to Helen Keller, Pasteur,
If you are planning to use closely spaced Tx and Rx antennas, I would
suggest that you consider using a Reed relay or similar fast acting relay
to short circuit the external preamp's input during transmit periods.
Without it there is some risk that during transmit periods the external Rx
Hi Geoff
I did consider that and I get your point about the diode protection, I've
had first hand experience ! To reduce my bench time creating my own
amplifier and such like I was looking into using the RPA-1 from
DXEngineering which has an automatic bypass mode. I don't know if it will
Welcome, Karl.
It's a lively group.
73, Mike NF4L
On 8/21/2010 4:13 AM, Karl Ahamer wrote:
Hi all,
just joined the list.
vy 73'
Karl VK2GKA
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Doug
They have not lost sight of their original mission.
They sell a $12 glow in the dark trim ring and maybe a
Dick Tracy decoder ring comes in the same box..
73
Jay
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
You could sell it to me
But there are advantages in an external transverter. In my case I am
thinking of putting it and my 70 MHz (XV70) transverter a long way away from
the radio, to overcome long coax losses. Cable loss at 28MHz is not a
problem for my 30m run as there is more than enough
...I would suggest that you consider using a Reed relay or similar fast
acting relay to short circuit the external preamp's input during transmit
periods...
Take a look at the Omron signal relay, Mouser part number
653-G6A-274P40-DC12. These relays operate in 3ms typical, 5ms max. I use
Hi Jay
They have time to develop mickey mouse products and yet they dont have the time
and resources to write decent firmware for the Orion!
Ten Tec have lost sight of their obligations to the many Orion owners whose
radios are full of firmware bugs. If it sounds like sour grapes it is in
If you are planning to use closely spaced Tx and Rx antennas, I would
suggest that you consider using a Reed relay or similar fast acting
relay
to short circuit the external preamp's input during transmit periods.
So long as the relay is accuated before RF appears, and held until after RF
Perhaps I should look at protecting the K3 subreceiver from the RPA-1, even
on receive mode :-(
I seem to recall Wayne saying the rx input could take 2W although not
recommended !
73
David
G3UNA
The RPA can output well over 1/2 watt, so don't expect it to act like a
limiter. It makes a
Thanks Phil, you have a great site and I've often referred to it, as I do
the W8JI site.
73
David
G3UNA
...I would suggest that you consider using a Reed relay or similar fast
acting relay to short circuit the external preamp's input during transmit
periods...
Take a look at the Omron
This thread has probably gone on long enough but I couldn't resist making a
comment. The TenTec glow-in-the-dark dial ring reminds me of an option that I
have on my 2010 Ford Fusion. It has what is described as mood lighting. A
small band of lights (I assume LEDs) outlines the center console
Brian,
I think you are in for some Transmit Signal Tracing. If you do not have
a 'scope with a 10X probe or an RF Probe already, build up the RF Probe
included with your K2 kit.
Then turn to Appendix E in the manual and follow the procedure for
Transmit Signal Tracing.
Note that the steps on
John,
On the XV432, can you vary the DC voltage measured at TP6 when you
adjust the Input Attenuator? TP6 is a built-in RF probe which measures
the RF voltage at the output of U6. If you can see that voltage change
when adjusting the input attenuator, you can use it for peaking the
bandpass
We used a lot of glow sticks on Field Day to mark guy wires, feed lines, popup
poles, masts and the like. Gave the site a party atmosphere that was popular
with the GOTA kids and young hams. Looked cool if nothing else.
73 de Eric, KG6MZS
On Aug 20, 2010, at 9:13 PM, Ken Kopp wrote:
AND
As long as the mood lighting doesn't extend to the back seat maybe a
drop-down disco ball...
73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at
reversebeacon.blogspot.com,
spots at
Hi Susan
I would also suggest playing with the RX eq I have serial # 3142 before
the DSP change and found
that for my taste I liked the RX better if I pulled down the top two
bands (#7) 2.4 kHz and
(#8) 3.2 kHz to -5 this takes some of the high end shisssh hiss off
receiver.
With a couple of
David,
Have you measured the strength of the BC carriers in the 6 MHz and 7 MHz
bands after sunset as seen at the shack end of your antenna's feeder when
terminated ?
If of any use to you I could send you some screen captures using a 1600 kHz
span after sunset this evening, with the BC
JayR wrote:
They sell a $12 glow in the dark trim ring and maybe a
Dick Tracy decoder ring comes in the same box..
Can't you just see that advertisement in the back of Boy's Life? Heh.
Byron KI6NUL
--
View this message in context:
As others noted, the audio equalizer in the K3 allows almost infinite
tweaking of the audio response to fit anyone's preferences. An excellent
starting point is the response curve of the famous Astatic D-104:
http://www.bellscb.com/products/microphones/astatic/base_mics/ASTATIC_D104_S
pecs.html
Would it be possible to add a menu choice to assign a FN key to cause the K-3
to QSY to the frequency of a Marker? By requiring us to use the knob to Tap to
QSY, it's very easy to move it slightly as you tap it and end up slightly off
the desired frequency.
It would be much easier, in my
Yes. The 12 V aux current should be kept below 500 mA, and the P3+PR6
should be well below this.
Wayne
N6KR
On Aug 21, 2010, at 1:56 AM, David Ferrington, M0XDF wrote:
I've seen the postings about providing power from the K3 Aux 12v
socket - is there enough to drive the 6m Pre-amp and
105 up and working - very nicely !
I think this was mentioned previously .. it would be very useful to be
able to pick a `section` of the band to display without being tied to
the K3 centre frequency, for instance, if a station was listening `up 10
to 20` the span could be set to 10kcs and the
Susan, I whole heartedly agree with Toby. The Omni VII is a fine rig. If
you're operating CW, the optional filters are a must IMHO. They act as much
as band pass filters as distributed roofing filters.
Have fun, Gary W7TEA
-
73,
Gary W7TEA K3 #1001
--
View this message in context:
Would it be safe to add the W2 to this mix?
K0PP
Yes. The 12 V aux current should be kept below 500 mA, and the P3+PR6
should be well below this.
Wayne
N6KR
On Aug 21, 2010, at 1:56 AM, David Ferrington, M0XDF wrote:
I've seen the postings about providing power from the K3 Aux
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I would think we users are getting to a point where a good, automotive relay
designed for continuous duty usage would be a good idea here. Simply use
the 12v auxilliary power to feed the coil of the relay and let the contacts
of the relay feed power from our 12v supplies. I don't remember the
Thanks Wayne - just need to make a 'Y' lead now :-)
73 de M0XDF, K3 #174, P3 #108
--
Why should I fear death? If I am, death is not. If death is, I am not. Why
should I fear that which cannot exist when I do?
-Epicurus, philosopher (c. 341-270 BCE)
On 21 Aug 2010, at 17:20, Wayne Burdick wrote:
Long-in-the-tooth two-way shops know them as
A relays, but they're no longer used. Maybe a
shop near you still has some in a dusty bin. (:-)
73! Ken Kopp - K0PP
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I know of the two way A relays, but the ones I am referencing are plug
ins, have a multitude of mounts for bases and are VERY available even likely
at WalMart. I'll get more info when I build mine in if anyone is
interested, but they are not in a dusty bin as they are in your new
vehicle's
Questions:
I may be looking for something that's right under my nose, but I've
been digging and can't find it...
*** Is there a way in the various outputs to tell whether the radio
is transmitting on ANT1 or ANT2. This is an need that is developing
out of my very successful use of diversity on
Yes Don, I know the type you refer to ... black
cube with flat blade pins. I have a couple left
over from my 17 VW's. (;-)
73! Ken Kopp - K0PP
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Help:
I need a voltage or not to drive switching circuits external to the K3
when using this with amplifiers. It is not a matter of the operator
knowing which one is being used. That, as you say, is adequately
shown.
On Sat, Aug 21, 2010 at 1:52 PM, ussv dharma ussvdha...@yahoo.com wrote:
the screen
Guy,
You can use a computer to poll for antenna select status using the
AN; command. This will tell you which TX antenna is in use.
If you don't have a computer in the system, you can use the DIGOUT1
menu entry to obtain an antenna 1/2 indication on the DIGOUT1 pin of
the ACC connector.
Will the K3 and LP-Pan run with Apple?
Thanks
Phil
Philip LaMarche
LaMarche Enterprises, Inc
p...@lamarcheenterprises.com
www.LaMarcheEnterprises.com http://www.lamarcheenterprises.com/
727-944-3226
727-937-8834 Fax
727-510-5038 Cell
www.w9dvm.com http://www.w9dvm.com/
K3 #1605
Thank you. I thought something was in there someplace. It will be
harder to get this into a computer program and the computer program is
easier to mess up. The menu entry will be available for anyone's K3
that is in use. Splendid.
How about getting Opposite ANTx RX OUT to the back panel?
73,
For that application even Radio Shack has 2. Numbers 275-226 275-218.
My local NAPA store also had them in blister packs but I have not
checked in awhile.
They were a little more in cost than Radio Shack.
A relay in this usage is a mechanical current amplifier.
73,
Bob
K2TK
On 8/21/2010
Group,
I have just completed the build of a KPA100 for my K2 and
wanted to post a few comments about it.
First, let me say that I had forgotten just how much fun it
is to work on an Elecraft product, and how much personal
pleasure I get in doing something myself. The KPA100 is no
exception to
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
As long as there is SDR software that will run on the Mac I don't see
why not. LP-PAN is hardware agnostic as long as you have a pretty good
sound card in the PC or Mac.
I run my K2/100, LP-PAN combo on Linux quite a lot using Linrad.
LP-PAN is NOT
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I went to radio shack and got the relay I needed. I then built a box
that will pass 10A to several RCA connectors (I wanted to be able to
plug the units plugged into the box into the K3 when portable with a sub
set of my goodies). Anyway I then also got a few of the cheapy cores
that Radio Shack
Hi all,
Yesterday, the K3 threw up the Err 12V error and bypassed the KPA3
module. The circuit breaker didn't pop and I was able to power off and
increase the power back up.
This was happening on PSK with 50W and RTTY with 100W.
I have yet to try digi modes in anger again today without first
Hi Don the list,
I am making some slow progress on the 432 transverter setup.
Initially TP6 was almost nill so I hooked up the Oscope and worked my
way from the IF-In to the Mixer. The 28MHz band pass looked suspect,
specifically C52/C54 as the drop at each capacitor was pretty sharp even
for a
I built my P3 #226 last night and I LOVE IT! Another beautiful Elecraft
design.
One question--is there a way to freeze the center frequency so that it doesnt
move as I tune my K3? I can't find this in the manual or by playing with it.
It would be great if i could look at the bottom 40 kHz
I've answered my own question ...
No, the three units add up to about 1.2A ... Far too
much current for the 12VDC OUT jack to support.
73! Ken - K0PP
Would it be safe to add the W2 to this mix?
K0PP
Yes. The 12 V aux current should be kept below 500 mA, and the P3+PR6
should be
Hi Art,
... it's very easy to move it slightly as you tap it and end up slightly off
the desired frequency.
I'm surprised you're having that problem. It did exist on early
prototypes, but back around firmware version 00.23 I added an
anti-false-knob-rotation algorithm for the QSY function.
Hi,
A friend of mine has the VFO-B on his K3 stuck. Frequency wont
change. Also, when he tries to access the menu, all he can see is
FW-rev.
Is this a common issue? He tried front panel resetting the rig, but
that did not fix the issue.
73m
--
Felipe Ceglia - PY1NB
I've clicked on telnet spots and more often than not still have to tune.
I think this has been going on for years.
Even now with the P3 capability, shaky hands, bad eyesight and even the
spotter of the DX station that likes his Side tone a little different than I
do, I always fine tune.
If you do
Hi Felipe,
This should never happen. It sounds like the VFO B shaft encoder may
be inserted too far into the front panel. Try removing the VFO B knob
and checking the panel hardware. If backing VFO B out a bit doesn't
fix it, remove the front panel and inspect the VFO B connectors. If
you
Hi All.. I am considering the purchase of a K3. I have been told to go with
the lp-pan and when I read what the new pan adapter does
It looks like this will do the same as the lp-pan or am I wrong. Will the
pan adapter show frequency??? Will it show the menu's?? What is the benefit
of
The
That will be coming in a future software release.
~Brett (N7MG)
On Sat, 2010-08-21 at 14:46 -0700, Eric wrote:
I built my P3 #226 last night and I LOVE IT! Another beautiful Elecraft
design.
One question--is there a way to freeze the center frequency so that it doesnt
move as I tune my
I could certainly see an option that would hold the center frequency
if is was not the same as VFO A or VFO B ... I could also see an option
that would allow the center to track VFO B instead of VFO A.
73,
... Joe, W4TV
On 8/21/2010 12:48 PM, Terry wrote:
105 up and working - very
Check the crimp connections on the spades that connect to the circuit
breaker...
~Brett (N7MG)
On Sat, 2010-08-21 at 20:55 +, Paul Ormandy ZL4PW wrote:
Hi all,
Yesterday, the K3 threw up the Err 12V error and bypassed the KPA3
module. The circuit breaker didn't pop and I was able to
Hi Bob,
The LP-Pan uses a PC for its display. Many operators prefer a stand-
alone Panadapter like our new P3, which sits beside the K3 and doesn't
require a PC for operation.
The P3 is very tightly integrated with the K3 -- basically plug-and-
play. It displays the K3's VFO A and B
Hi Wayne,
We havent tought of a hardware problem, and that would produce exactly
this symptom, hihi.
73 thanks for your advice,
Felipe - PY1NB
2010/8/21 Wayne Burdick n...@elecraft.com:
Hi Felipe,
This should never happen. It sounds like the VFO B shaft encoder may be
inserted too far
No problem, Felipe.
Boa sorte -- deixe-me saber se você tem outras perguntas.
73,
Wayne
N6KR
Felipe Ceglia wrote:
Hi Wayne,
We havent tought of a hardware problem, and that would produce exactly
this symptom, hihi.
73 thanks for your advice,
Felipe - PY1NB
The weekly Elecraft SSB net will meet tomorrow (8/22/10) at 1800z on 14.314
MHz. I will be net control from western Oregon, and I will try to swing the
antenna in multiple directions to get as many of you as I can. See you then.
73,
Phil NS7P
I've had the same thing happen because I was being careful and pressing the
knob fairly slowly, trying to avoid turning it.
What works is to set the knob for the desired value and then stab at the
knob to activate the switch. Yes, you'll often move it that way but the
switch activates within the
Another follow-up note/question on the transverter topic
On the K2+K60XV when I set the radio (tran1, tran2, tran3) each to
LP1.00 would expect that I should see a maximum of 1mW of power
available.
When I actually measure that IF line I am only seeing about .50mW and
the radio is typically
Maybe this notes in the K60XV errata apply to this issue:
2. Using TUNE mode with the K60XV and KAT2 installed: If the KAT2 is in
either of its autotune
modes (A U T O or A LT ), and you’re on a transverter band configured
for LP mode (Low Power, 0 dBm),
holding TUNE drops power to 0.2 milliwatts
Hello,
Thanks to my early interest in amateur radio, I went on to become an
electrical engineer. Many of you Reflector readers have sons and
daughters who might be looking at a future in engineering as I did years
ago.
Recently I finished my Life and Advice memoirs that might be helpful
Hi All,
One source of easy-to-use automotive type relays is Elk
Products. They make home security/automation products and I've used
them extensively for that purpose but also the relays are generally
useful. See
http://www.elkproducts.com/relays_timers_and_programmable_modules.html
for
John,
A definite YES on #3 - this is your first order of business. If you
have a KAT2 in your K2 package, change the KAT2 R6 to 470 ohms. If you
do not, you will not be able to achieve the full 1 mW output from the
K60XV. The KAT2 does not have a tri-state driver for the VRFDET signal
and
I don't understand what all the fuss about specific relays is all about.
Any relay that can handle the current desired and has a 12 volt coil
will do the job.
Relay speed is not a consideration, it will pull in when the K3 is
turned on, and will stay in that state until the K3 is turned off, so
I have just completed the first combination
K3 / P3 cover (Ken's), and I'd like to know
if you have your P3 on the right or left side
of your K3. I would expect that because of
the K3 carrying handle most will place the
P3 on the right.
It makes no difference in the measurements
of the
In all true honesty I'm probably a bit weird but I find that I really
like having the P3 on the right but then I wonk the back around a bit.
Essentially I pull the right around on a radius until the bottom right
corner of the K3 and the bottom left corner of the P3 get just close but
not touching.
Good Evening,
The weather has turned chilly again. High 40s each night with low 60s
during the day. Looks like there may even be some rain soon. That will cut
down on the fire danger even though it has not been very high at all this year.
Propagation on twenty meters was pretty good
Hi Don the list
Ok the change has been made. I am now seeing around 1mW from the K60XV.
I think that we can close out Issue #3 and go back to Issue #2 which is
the real topic.
73
--
John Hoaglun
NG0R - EN25
http://www.hoaglun.com
On Sat, 2010-08-21 at 21:19 -0400, Don Wilhelm wrote:
Does anyone know what happened to the K3 Wiki Page?
I got the following message when trying to access
it today.
*
The requested URL /mediawiki/index.php/Main_Page
was not found on this server.*
I hope that it has just moved as it contained a
lot of good Elecraft Info.
Thanks,
73 de
John,
Good news - on situation #2:
Set the KAT2 menu to CALP and I believe you will bypass the 0.2 watt
limitation of the AUTO setting. Your other option is to use a keydown
condition rather than TUNE.
73,
Don W3FPR
John Hoaglun wrote:
Hi Don the list
Ok the change has been made. I am
Don:
Thanks for the advice. I do have a Tek 2225 with 10x probes so I will start
with that. I wasn't aware that they would be acceptable as RF probes. I
might just start on page 10 and go through everything.
Thanks again for the help!
Brian
http://home.comcast.net/~b.denley/index.html
-
On 8/21/2010 10:11 PM, David and Dianne on Comcast wrote:
Does anyone know what happened to the K3 Wiki Page?
I got the following message when trying to access
it today.
*
The requested URL /mediawiki/index.php/Main_Page
was not found on this server.*
I hope that it has just moved as
Hi Don and the list,
After replacing R6 on the KAT2 board I went back thru the transverters
to see where I am at after the change.
XV144 - ~1mW of drive = 12w power (into a Bird 43 slug + dummy load)
Target is 25w
XV222 - ~.42mW of drive (virtually no power out) Target is 10w
XV432 - ~.50mW of
Certainly, a 'scope will act as an amplitude measuring device for RF -
up to a frequency limit. The frequency rating for the 'scope as well as
the probe must be taken into consideration. If both the probe and the
'scope are rated for 100 MHz, then they are quite usable up through 20
MHz and
Believe it or not, I sometimes I get a break from work (like writing
K3 firmware) and actually get on the air. Conditions were excellent to
EU from northern California tonight. Just had a solid QSO with Tof,
DJ6ZM.
I have a different view of the K3 than most -- almost from the inside
out,
Good Morning Good People...
Possibly a long shot but thought I'd give this a try...
I'm looking for anyone who has a surplus to requirements Yaesu YM-36 Hand
Microphone...(1980's Vintage I think)..
If you think you have one of these and would be willing to either sell or
dare I say it donate
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