My Sony MDR 7506's have a DC resistance of 72 ohms per side. Since the
phones are in parallel, the rig will see about 36 ohms. I am not sure how
that relates to impedance but it seems in the ballpark. Heating and
reactance would increase it some but I don't know by how much. They are
I think its time for Kevin to give himself a promotion. He has been Net
Control Operator, 5th class, long enough. 73, Rick - K7MW- Original
Message -
Elecraft page: http://www.elecraft.com
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I would like to see a squeeze option that would give a steady tone when the
paddle contacts are both closed. This would restore keying control to the
operator. I normally use a bug or straight key but use paddles with the KX1
when portable. The bug is more than 5 times as heavy as the rig and
Jim - That is my antenna, currently installed as an inverted vee with
center at 40 feet. I have about 80 feet of window line. I just tried it
with my KX1 using an Elecraft 4:1 balun. [Usually, I use an outboard Z
match tuner (NORCAL)]. On 40 meters, I got an SWR reading of 2.3 while 30
and
Its hard to try to match up the number of segments lighted with any of the
S unit marks. Thats the price we pay for not having a real analog S
meter. I am thinking of calibrating the meter so S9 is nine segments
lighted (50 uv) . One segment for each S unit. I would have to count
segments
I am selling my KX1, SN 539, and building another K1. Meets all specs and in
like new condition. Incl. 30 M, Int ATU and plug-in paddles. Current cost
$466. I am asking $350 USD incl. shipping to CONUS. Rick Dettinger - K7MW
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The KX1 has been sold. Thanks - Rick - K7MW
- Original Message -
From: Rick Dettinger [EMAIL PROTECTED]
To: elecraft@mailman.qth.net
Sent: Tuesday, August 02, 2005 1:18 PM
Subject: [Elecraft] FS: KX1
I am selling my KX1, SN 539, and building another K1. Meets all specs and
in like new
Hi Tom - I don't think you mentioned what bands you intend to use the
antenna for. If just 40M, then you may do as well with coax and not need
the tuner. If you use it for an all band doublet, the tuner may have
difficulty on some bands depending on the impedence and the lenght of the
feedline.
seems to give up after a few seconds, while the K2 tries real
hard to get a good match. I can prune my end fed antenna but I may be
missing something here and would like to know.
Thanks and 73
Rick Dettinger
K7MW
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On Apr 5, 2008, at 10:48 AM, Rick Dettinger wrote:
Sporting types might want to put some money down on when the number
will be in the 6000 range and pass up the very popular K2 number.
73'
Rick K7MW
On Apr 5, 2008, at 9:44 AM, Lyle Johnson wrote:
... If we
assume they've shipped 650 K3
steeper
skirts, along with shift, to eliminate the QRM. The shift seems to
change the center of the passband in 50 hz steps. I usually have to
fine tune with VFO A after getting close with the shift control.
Not a problem, as I am always working split, since I prefer that to
RIT.
73
Rick
very well and rig works as advertised.
73
Rick Dettinger K7MW
On Apr 14, 2008, at 5:07 AM, Darwin, Keith wrote:
We're all very familiar with the lovely Lisagram or the heart-warming
Katiegram. I've received a Madelyngram.
It simply states my K3 has shipped. Whoo Hooo!
I hope it takes it's
If I remember correctly, the base K2 came without the ground screw.
Its been a long time. I think the ground screw came with the ATU.
The K1 doesn't have a ground screw, even with the ATU. I am confused
about the use of an RF ground with a balanced antenna. One of the
advantages of a
chassis. Not a good idea on TenTecs part, even though I didn't use
good sense in not attaching the cable to the rig first. For QRP, I
should have used a small inline fuse in the positive cable lead. I
do now. I also have changed the jack to K2 style.
73
Rick Dettinger K7MW
I am glad to be born after CW was invented. Barely after. I would
hate to have to listen to spark watch after watch.
73
Rick Dettinger K7MW
On Apr 26, 2008, at 7:43 AM, Ron D'Eau Claire wrote:
And there's a sample of what the 600 meter marine band sounded like
on a
typical receiver
. Not a
big one for portable use.
73
Rick DettingerK7MW
On Apr 27, 2008, at 7:44 PM, Sandy wrote:
I forgot to mention. I stick mine down in place with the
yellow or blue sticky clay you get at office supply places. Works
great and doesn't damage the housing of the key. I didn't
like the way you think.
73
Rick Dettinger K7MW
On Apr 27, 2008, at 9:14 PM, George Victor wrote:
Folks,
Why waste your time, We are all a bunch of old farts, you are not
living forever. Just use a good paddle without worrying about
cosmetics or damage (or money).
I have a Begali Sculpture
quite warm but not too hot. I used clip leads on the
test points so I only needed enough time to read the meter.
73
Rick Dettinger K7MW
On May 18, 2008, at 8:25 AM, WA6OCP wrote:
Has anyone determined what the DL1 is capable of for a short time
(say 10
sec) in excess of 20W?
Besides
smoking,
both the rig and the operator. I will sell for $500. including UPS
ground packing and shipping to CONUS.
Thanks and 73
Rick Dettinger
K7MW
[EMAIL PROTECTED]
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You must
If this had been an offshore rig, you would have had to send it to a
factory authorized repair facility for warranty work. Since there was
no fault, you would have had to pay a service charge and shipping both
ways. Another advantage of buying an Elecraft rig.
73
Rick Dettinger K7MW
ground packing and shipping to
CONUS.
Thanks and 73
Rick Dettinger
K7MW
[EMAIL PROTECTED]
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K2 #1653 has been sold.
Thanks
Rick Dettinger K7MW
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by the power company through a contract
with the City. In your area, you may have to contact the City.
Street lights should be maintained on a 3 year cycle but maintenance
gets deferred due to budget considerations. Don't expect prompt
response. This is low priority work.
73
Rick Dettinger
me to be careful. 700 degrees burns very fast. Usually, I can
adjust the optivisor up slightly, so that I can also see underneath
with glasses only.
73
Rick Dettinger
K7MW
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You must
per second.
73
Rick Dettinger
K7MW
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Help
That would be for diversity reception! :-)
Rick K7MW
On Sep 19, 2009, at 7:55 AM, Mike Morrow wrote:
Steve wrote:
My version of this 'classic' rig is 4-band (40, 30, 30 and 15m)...
A magic combination on 30m, my favourite band.
30m must really *really* be your favo[u]rite, if you have
I really appreciate that Elecraft is such an open company! (-:
73
MW
On Oct 14, 2009, at 6:16 PM, Wayne Burdick wrote:
It's official: we're running out of DSP cycles not just during NR on/
off but also under worst-case load.
I get a continuous DSP red LED and distorted audio (with a buzz)
or the
last production firmware?
73
Rick Dettinger K7MW
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took 14 days for my K3 to get here. Six days of that time it sat in
Canadian
Customs then Canada Post had it for another six days. This makes the
US
Postal Service look pretty good!
-Robby
VY2SS
Do they charge for storage?(-:
73
Rick Dettinger K7MW
On Nov 26, 2009, at 12:26 PM, David Ferrington, M0XDF wrote:
Who's Queen?
:-)
73 de M0XDF, K3 #174
Not ours! But I think there is a little history there :-)
Rick Dettinger
K7MW, in the non-former colony of Washington State, USA
And if you are going to change boards often, I would suggest not
installing the KAT1. It would be better to use an external tuner as
the band filter board is located under the ATU and it more than
doubles the time it takes to change boards.
73,
Rick Dettinger K7MW
It would
relief to construct it that way, as I have stuffed
all the boards I want for some time, at least the ones with several
hundred parts.
73,
Rick Dettinger K7MW
Although you save $200 by building it yourself, you really don't
learn much in the process, and you have to spend about $25
I ordered a Palomar VLF converter a year ago from HRO and they had
to refund my money. They said that the VLF converter was no longer
being made. The Palomar Engineers web site seems to reflect this.
They only show balun stuff, now.
73,
Rick Dettinger K7MW
On Jan 4, 2010, at 7
I am glad that my K3 doesn't weight in excess of 50 lbs. I have to
carry it up a ships ladder into my shack, which is in a loft. One
hand for the ladder and one for the K3. I do this several times a
year to update the firmware.
73,
Rick Dettinger K7MW
On Jan 11, 2010, at 10:21 AM
has its own unit of
measurement. Yuck.
But I do what I can. I named my sailboat STORMJOULE. The dingy was
ERG.
73
Rick Dettinger K7MW as in MegaWatt (:
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I did the same thing with my K1. I had to ream the 6mm hole out to
0.25 in. Somewhat tricky. I used a drillpress with a Dremel tool
bit. I like the result. I think the K1 knob is weighted also, but I
like the larger diameter.
73
Rick Dettinger K7MW
On Jan 21, 2009, at 4:17 PM, Neal
the AGC off. Butt
it is good to have some sort of limiter to protect my hearing.
73
Rick Dettinger K7MW
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With that kind of drive requirement, you could skip the 100 watt amp
on the K2 or K3 and go directly to about 700 watts out using the QRP
versions for about the same cost.
73
Rick K7MW
LaConner, WA
On Feb 11, 2009, at 1:38 PM, Greg - AB7R wrote:
If interested there's a guy named Yuri
only run 100 watts
maximum.
73
Rick Dettinger K7MW
On Mar 5, 2009, at 5:52 AM, Don Wilhelm wrote:
Greg,
Theory says you should not have any problem. With 60 dB isolation and
1000 watts, there may be as much as 1 mW at the input of each
receiver -
that is 223.6 mV, which is a large
My K3 RTC was gaining less than 2 seconds a month last summer. This
winter, it has been loosing about the same. The temp. in the shack
is about 15 degrees warmer in the summer. It would be near perfect at
about 65 degrees F. I don't think I will try to tweak it :). I
originally
On Jun 10, 2009, at 2:20 PM, Mike-WE0H wrote:
See if you can make it go to 495.000kc as that is the bottom end of
any
possible Amateur Band. If it can tune 495.000kc thru 515.000kc, that
should cover any future Amateur 600m band. There are currently
Experimental stations using that
I think the original author of this topic is incorrect to call the
K3 100%
done.
I think that this is a correct statement if we take 100% done to
mean that the K3 meets all of its advertised specs. At least most if
not all of the mods have been enhancements, not steps to meet these
upgrade online. It does help if you live near one of
the design engineers ):.
73,
Rick K7MW in Mount Vernon, Wa.
Wasn't Synchronous AM detection in the original advertised
specifications?
Still waiting patiently...
73,
Paul WW2PT
On Jul 5, 2009, at 1:12 PM, Rick Dettinger wrote
watts and then
return to 100 watts.
73
Rick Dettinger K7MW
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!
Although, with a K3, that is a moving target.
73
Rick Dettinger K7MW
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. I will not complain about my K1 note again. At least
not for awhile.
73
Rick Dettinger K7MW
The sender is Denise Stoops, the first female operator at KPH
transmitting
the closing message at the recent Night of Nights activity.
http://www.youtube.com/watch?v=2a4scmlC7tI
be room for more bands on a larger board or multiple boards.
But this would require switching changes to the firmware. Not
something for mere mortals to play around with. Enjoy your new K1. I
sure like mine.
73
Rick DettingerK7MW
On Jul 24, 2009, at 8:13 PM, Gary W. Marklund wrote
traffic. The K1 is a
better rig in all other respects. I built a K1, sold it to get a KX1
and than sold that to get another K1. For my needs, the K1 is a
better rig.
73,
Rick Dettinger K7MW
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that there must
be more than one way to design a good key and use it.
This entire book is available for free download, and can be linked
from here:
http://www.qsl.net/n9bor/n0hff.htm
73,
Rick DettingerK7MW
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end audio stores.
Not only not cheap, they cost more than the KX-1!!
73,
Rick DettingerK7MW
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Operator 5th Class)
-
Plus, it would do wonders for the noise figure :)
73,
Rick Dettinger K7MW
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Brian-
The internal tuner is good and the external tuner is better and can be
used with other QRP rigs. Also, if you want to change filter boards
frequently, the internal tuner has to be removed to change the filter
boards. This doubles the work.
73,
Rick DettingerK7MW
On Sep 4
from a new hole in the wallboard.
Good Luck and 73
Rick Dettinger K7MW
On Jul 17, 2008, at 6:09 PM, DaveL G3TJP wrote:
Some time ago, I replaced the K2's main tuning knob, complete with
finger
dimple, with another more user-friendly knob from the (*S!) Yaesu
stable,
In a fit
size fits all firmware can't please everyone.
73
Rick Dettinger K7MW
= On Jul 26,
2008, at 7:04 AM, Dave Agsten wrote:
Wow - never thought anything as simple as a band select button would
cause such commotion. Back when there were rotary
Looks like the only solution is to work under water. All of the
voltages exceed the 30 volts or so level we have heard cause damage
to sensitive components.
73
Rick Dettinger K7MW
On Jul 26, 2008, at 9:51 AM, Ron D'Eau Claire wrote
I use 3 oz. paper cups to keep small parts in. I can move the one I
am using to the front and as they get emptied, I can remove them
from the work bench.
Rick Dettinger K7MW
On Aug 26, 2008, at 6:40 PM, Lee Buller wrote:
I do not like egg
. My firmware is
02.39 and 01.91. Any ideas? Did I not set up all the bands correctly?
Thanks and 73
Rick DettingerK7MW
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. That was very
quick.
A great list.
73
Rick Dettinger K7MW
On Sep 22, 2008, at 3:28 PM, Eric Swartz - WA6HHQ, Elecraft wrote:
Sounds like you have the other VFO on each band set to SSB. That
would change the default mode for that control to Mic Gain from CW
Speed.
A single tap of A-B only copies
don't
know what it means?
Rick Dettinger K7MW
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W7AQK
___
Looks like K3 production may pass K2 numbers in about 2010. They are
about a third of the way there now. The K2 had an 8 year head start.
73
Rick Dettinger K7MW
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Mine has been gaining a little over 1 second a month. I had assumed
that the RTC used the TCXO as a time base but it doesn't. It has its
own oscillator.
73
Rick Dettinger K7MW
On Nov 23, 2008, at 7:36 AM, Gil Cross wrote:
Just checked my RTC for correct time. Has been running
. This was in the late 50's.
73 Rick Dettinger K7MW
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Help
I would like everyone considering cancelling thier K3 order due to any
reason to do so at once. I may yet get my very own K3 by Xmas. I think my
serial number may already have decreased by one or two.
73
Rick Dettinger
K7MW
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to the other end.
73
Rick Dettinger
K7MW
K3 # (n-?)
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to know when you placed your order. Then we can update our
calculations (guess?).
73
Rick Dettinger
K7MW
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need?
73,
Don W3FPR
Eric indicated that the equation is non linear. Therefor, I think we need
at least one more data point. Somewhere around, say, a July 25 order date.
Just as a for instance, of course. :)
73
Rick Dettinger
K7MW
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Right, that blows my theory of 250 for the first prodn run! Beginning to
look like 300 then.
Chris G3SJJ
Remember that there are about 25 test K3's so the 1st production run could
still be 250 units.
73
Rick Dettinger
K7MW
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=
Another data point. Tom, what we gotta know is, when did you place the
order?
73
Rick Dettinger
K7MW
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K3 kit ordered July 25, 2007. #556 arrived March 6, 2008.73
Rick Dettinger
K7MW
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. The tuning knob is as good as any and there is
more room on the panel. Low phase noise sounds good to me but I am not sure
that I ever noticed any problem with my K2 in that respect. Passband
tuning will be nice, also. I have never used DSP but i am interested in
trying it.
73
Rick Dettinger
K7MW
one with more movement as I approched zero beat. No hearing needed.
This was how I set the xtal calibrator to zero beat with WWV. Then , I
could read a frequency to the nearest khz, something I could only dream of
with older rigs.
73
Rick Dettinger
K7MW
I was just about to spend extra $$$ on rtty and psk gear when up popped
the
K 3 with that built in. WOW
Charles Harpole
==
That must make Yacomwood very happy to read. (:
Rick Dettinger
K7MW
markup in the K3 to
support second party retail sales. It seems like we are getting alot of
radio for the dollar.
73
Rick Dettinger
K7MW
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I assume the K3 will have serial numbers like the other Elecraft rigs. I am
wondering if the numbers will be different for factory build v. kit build?
Anyone heard? Thanks
73
Rick Dettinger
K7MW
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And remember, if you have air conditioning, you will need to purchase more
electricty to pump this
energy out of your house. You pay twice.
Rick Dettinger
K7MW
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You must
. Also, it is field repairable with a
small knife if the wire plug breaks. I just moved into a new house and
have been using just such a portable antenna for two months now with no
breakage, yet.
73
Rick Dettinger
K7MW
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to update
the software.
73
Rick Dettinger K7MW
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multiturn tuning pots like the K1 uses.
But I still have a K3 on order.
73 Rick Dettinger K7MW
My rigs and raisins come from Aptos, CA.
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internal batteries. Now, I use external
batteries which I carry seperately.
73
Rick Dettinger
K7MW
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that took Elecrafts Net Control Operator first class off the air
a week ago. A large enough rack panel might stand up to a tree of that
size. My tree, not Kevins.
Rick Dettinger
K7MW
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You must
if
all bands are included. If the Sierra had the K1 VFO and 5 watts out, I
probably would prefer it to the K1, for home use, but it doesn't so I sold
mine and kept the K1.
Rick Dettinger
K7MW
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that would help someone who uses a low pitch as I do would
not pass a high one. Thus, filters would need to be adjustable or custom
designed for the desired pitch.
Rick Dettinger
K7MW
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You must
rigs.
I like to use my K2 with AGC off, but value whats left of my hearing. Was
that why old time commercial operators wore headphones forward of their
ears? Be hard to do with modern cushion phones.
Rick Dettinger
K7MW
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. Some bicycle
wheel builders use it to prevent spokes from unwinding from their nipples.
Rick Dettinger K7MW
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I did it a couple of times, and wife never found the trick. Maybe you
shall
inform all visiting OM not to give you away...
Cheers,
IK4YNG Paolo
=
Paolo - You left out one important point. Don't announce the deed on an
open reflector. (:
Rick
hole to 1/4 inch from 6mm. The K1 knob went on
another rig.
73
Rick Dettinger K7MW
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.
---
I think the KAT100 only does this for the K2. This new kit would be useable
for all rigs, like the T1.
Rick Dettinger
K7MW
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still can and do blow the fuses.
73
Rick Dettinger
K7MW
- Original Message -
From: Sandy W5TVW [EMAIL PROTECTED]
To: Bill Coleman [EMAIL PROTECTED]; Fred (FL) [EMAIL PROTECTED]
Cc: elecraft
in case I need to cheat a little
with QRO power (15watts or so). But I promise not to get an amplifyer.
73 (72)
Rick Dettinger
K7MW
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natural but organic also.
Rick Dettinger
K7MW
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Bill said:
If we made these old radios 10 or 12 tall, how do we effectively use
all the space in the box more than 5 above the chassis?
-
---
It makes a nice warm place to raise the bread dough (:
Rick DettingerK7MW
, however, have to adjust the turns on the VFO
coil, to get the VFO range in spec. I don't remember if I had to expand or
compress the turns. I am happy with the result. I get about 170 khz tuning
range. Thats an average of 17 khz per turn. Not bad. And the backlite is
a nice touch.
73
Rick
.
Rick Dettinger
K7MW
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. If
there is an unexpected low voltage at the K2, the cause needs to be
determined.
Rick Dettinger
K7MW
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John - KI6WX said:
(fyi - the
reflector generated over 2000 emails in the last 2 months).
==
No wonder I havn't got the house painted!
Rick Dettinger
K7MW
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You
. The individual operations are
about the same. If you install each component correctly, you will have a
working radio. If not, you will learn alot about troubleshooting.
73
Rick Dettinger
K7MW
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You must
cleans up less than pure sidetone audio, too. I would like to
get some good communication 'phones, without the microphone thingee. Any
recommendations. I like the kind that seal out external noise. I like to
use a bug but the damper clacking is distracting to me.
73
Rick Dettinger
K7MW
of the
radiation should be from the half wave section so should be an efficient
antenna.
73
Rick Dettinger
K7MW
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be thinking of of a K3 here.
73
Rick Dettinger
K7MW
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jacks in my keyer box in parallel with my keyer output
jack but I have to move plug to the rig de jour. I need to decide on RCA or
mini phone jacks at the keyer. I am leaning toward RCA as I have had better
luck with reliability that way. Someday.
Rick Dettinger
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