On 4/11/2011 6:31 PM, Robert Harmon wrote:
How do I ground my MacBook Pro laptop ?
Study the links I posted.
73, Jim K9YC
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Help:
Wayne,
If you have no choice and have to use an antenna in the attic placed close
to the rafters, I would suggest that you do use iinsulators to prevent any
part of the antenna touching a rafter. A fire risk could exist if the
antenna's wire is simply laid on the rafters, especially if using
Is anyone using Wine successfully on linux to update his K3 or K144XV?
Unfortunately, it seems there is only a Windows version of K144XV Utility, but I
can't get it to work in Wine. Even after creating a com1 symbolic link to
/dev/ttyS0 in ~/.wine/dosdevices, K144XV Utility shows no serial
Hi Mike
You have to call the link com1 or something similar for it to work.
So e.g.:
$ ln -s /dev/ttyS0 ~/.wine/dosdevices/com1
Also you need to be a member of the group that has access to the ttyS*
devices, in Ubuntu it's dialout, if you're not do:
$ sudo adduser YOURNAME dialout
(obviously,
Dear Group,
I am considering a suitable power supply for the K3/100.
One manufacturer whose supplies are readily available on our Australian
market and well documented is XP Power. These supplies are manufactured in
China but judging by their datasheets, they seem much better quality than
those
Another interesting power supply -
http://www.amtex.com.au/power_pdf/CCM250.pdf
Switcher without a fan.
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I'm in the process of redesigning my station, inside and out.
I'm going to need a tuner between the Antennas and the AMP.
So, as good as the ATU in the K3 is, it won't help me.
I'm looking at the MFJ-998 Auto tuner.
There's no mention of Elecraft in the Manual for it, but I sure someone has
Hi Shane,
Have a look at these supplies:
http://www.powerwerx.com/batteries-chargers/powerwerx-30-amp-desktop-switching-power-supply-powerpoles.html
I friend of mine uses a couple of those supplies as have others in the group
with good success.
The beauty of them is their small footprint, quiet
hello Shane,
here there´s different options
http://www.samlexamerica.com/products/productdescription.asp
the SEC-1223 is a portable option. Or maybe you prefer the 1225
73,
Jorge
CX6VM/CW5W
-Mensaje original-
De: elecraft-boun...@mailman.qth.net
It has also been noted that the com1 symlink must point to a *real*
serial port, i.e. /dev/ttyS0 or such. I have had no luck with a USB to
Serial adapter, i.e. /dev/ttyUSB0, under Wine for any program. However,
the adapters work flawlessly for native Linux programs including the K3
utility.
There is an excellent review of the Samplex SEC 1235M by AD5X at
http://www.ad5x.com/images/Presentations/SEC1235M%20Review.pdf. He is
right on target with everything including the need for a simple mod to
quiet the on-demand internal fan. These cost US$140 at US retail, or
about US$120
Thanks, Nate. I'm lucky enough to have a real serial port, so no usb issues to
worry about. Also, the utility to open up transmit for MARS ran fine under
Wine. It's just the K144XV and K3 utilities that don't pick up the serial port.
Numerous other ham related programs are successfully using
Wayne :
You got some good advice so far.
I am in agreement that an outside antenna will perform better than one in the
attic but
you can always start with an attic antenna and add an outdoor antenna later.
An attic antenna makes a great backup antenna as it will not succumb to severe
weather
I on the other hand have never had any issues with symlinking usb serial
ports under linux, I have done it on several machines under several
distros
thing to watch out for though is that in some distros these devices may
be placed in a different group than the standard TTY devices by udev
On
* On 2011 12 Apr 08:44 -0500, Brendan Minish wrote:
I on the other hand have never had any issues with symlinking usb serial
ports under linux, I have done it on several machines under several
distros
thing to watch out for though is that in some distros these devices may
be placed in a
* On 2011 12 Apr 08:36 -0500, Mike Markowski wrote:
Thanks, Nate. I'm lucky enough to have a real serial port, so no usb issues
to
worry about. Also, the utility to open up transmit for MARS ran fine under
Wine. It's just the K144XV and K3 utilities that don't pick up the serial
port.
Hello:
I have searched on Google, asked around, but no one seems to know.
What is the current roadmap for the P3 to be able to display to an
external monitor? Also will existing P3 customers be able to upgrade
to include this feature?
It is for me and others (based on some private email)
Hi Phil,
I think what people are trying to point out is that the instant the
need becomes visible, it will be too late. May that time never come,
and good luck!
On Mon, Apr 11, 2011 at 7:11 PM, Phil Hystad phys...@mac.com wrote:
I understand the technical reasons that people suggest for
I currently own the Elecraft MH2 mic and wish to replace it with the
Audio-Technica ATR30 I purchased. Other than changing the BIAS and using an
adapter so it will plug into the K3 back panel, I was wondering:
1. What microphone stands do you use?
2. What do you use for
VK5ABQ wrote:
1. The LCL300PS12 can provide 25A and has an adjustable output range of
11.0 to 13.0V. Is this suitable for the K3/100? XP Power’s 12.5 to 14.5V
model isn’t available here.
If you operate SSB at full power, I'd recommend at least 13.8V and
preferably higher. The K3 is
The various utilities get their inventory of serial ports from the registry
under HKEY_LOCAL_MACHINE/HARDWARE/DEVICEMAP/SERIALCOMM. Device drivers install
values here in Windows.
Dick, K6KR
On Apr 12, 2011, at 7:03, Nate Bargmann n...@n0nb.us wrote:
* On 2011 12 Apr 08:36 -0500, Mike
Shane,
I use the PowerWerX 13.8vdc/230VAC ( I have two of them) and no issues at
all.
They have a terminal at the rear as well as 2 each Anderson plugs on the
front.
Fan is silent, small footprint, metal enclosure.
Model SS-30DV
73's
Gary
On 13 April 2011 01:02, Bill W4ZV
Bill W4ZV wrote:
If you operate SSB at full power, I'd recommend at least 13.8V and
preferably higher. The K3 is specified up to 15V and exhibits better TX
IMD performance at higher voltages. I set my Astron RS-35M for 14.5V at
the K3 terminals.
73, Bill
I use a Diamond GSV-3000.
I have had two Samlex 1223 power supplies die in the past couple of years.
First one was replaced under warranty, but they took over 3 weeks to get it to
me. The replacement unit died soon after it's warranty ran out. That was enough
for me.
I recently purchased a Powerwerks supply. It is
First of all, thanks for all the helpful replies.
Second, it is possible to get someone to see the light.
Early indications are I like the method of using hi/lo cut for ssb. I just
didn't want to give up using shift and width.
I see how much better this works and also for maximizing the
Julian, I have been using the same type of PSU for my 12V rigs this past
nine years with no problems arising (touch wood).
The usual disclaimers apply.
73,
Geoff
GM4ESD
Julian, G4ILO wrote on April 12, 201 at 17:03 +0100:
I use a Diamond GSV-3000. It is a transformer based supply and has a
I don't plan to buy the KPA500 but could use a serious remote antenna tuner
thus my interest in the KAT500.
This question is directed to Eric, Wayne or one of the Elecraft design guys:
will the remote KAT500 be usable with a barefoot K3? If so, can you briefly
describe how the KAT500 will
None of my computer chassis are grounded directly to my radio
grounds. I made it especially that way to avoid audio ground
loops. All the computers are normal appliances with UL rated
connections to AC mains which are required by code to have a safety
ground tied to the main service
I just ordered a KPA500. I'm in the July run. So all the ones on hand
are gone. Now I have wait for it..UGH!
K9IL
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I found it necessary to ground my computer chassis to prevent the
incursion of RFI. I scraped off some paint on the rear and bolted a
ground strap from there to my star point ground system for the shack.
It was not an issue of safety ground but of RF being induced into the
computer from the
Let's end the Mac grounding thread for now. Looks like we have covered
all the bases on this one.
73, Eric WA6HHQ
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Help:
I have an MFJ-998. I wish I'd known better when I bought it - I
wouldn't buy another (for various reasons). I never found a good way
to integrate it with the K3... so the tune-up procedure involves using
the K3's TUNE function to produce a low-power signal (CONFIG:TUNE
PWR) and then invoking the
On my workbench right now is a Harris 1 KW commercial RM transmitter
that belongs to KBBF, the local non-profit bi-lingual radio station. It
has a blown CPU board due to a lightning strike, which also destroyed
the power pole feeding the transmitter shed. Even here in Northern
California where
Robert,
My main station mic is on a gooseneck hanging down from an upper shelf on the
desk. For PTT I picked up a Radio Shack black plastic project box. It's
about 2 inches square and an inch deep. In it I mounted an inexpensive SPST
Momentary action switch and a shielded audio cable out 5
On 4/12/2011 11:07 AM, Edward R. Cole wrote:
None of my computer chassis are grounded directly to my radio
grounds. I made it especially that way to avoid audio ground
loops.
That's why I abhor the phrase ground loop -- it causes people to do
exactly the WRONG thing, just as you have done.
I have had similar experience with a MFJ-927. I spent a lot of email time and
phone time with MFJ and finally came to the conclusion that they had hired a
programmer that was not a ham and had a poor grasp of the normal requirements
for hams and transceivers and thought that an SWR of 2.5 or
I realize that Eric has ended this thread but I *must* reinforce
Jim's comments.
If your RF ground and utility entrance (power, cable TV, telephone,
satellite TV, emergency generator, etc.) are not *ALL* bonded with
a low impedance conductor you have an extremely dangerous situation.
It is only
For those of us who are Mac users and K3 owners there is a limited amount of
external 10Mhz reference control software. I have found a ham GM4JJJ who makes
and sells software to control the HP line of GPS disciplined clocks. I post
this for information and have no connection with GM4JJJ
As you've stated, so far the K3 doesn't have an external TUNE-KEY input.
This will have to be provided when the KAT500 is available - probably the
AUXBUS interface. I have used a MFJ-998 with my K3 and ALS-600 for a couple
of years now - and now a KPA500. I leave the MFJ-998 in the full-auto
Thanks, was a capacitor in the SPOT line that shorted both legs to ground.
73
Robin
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Gents,
I have used this SGC-235 500 watt capacity automatic ATU for more than 5
years. It is fed by a small Icom and the SGC cube amp in the back of my
Landcruiser. I run an ex military whip of about 12 feet, also the normal 102
inch whip. I have used this ATU to feed dipoles on poles, to feed 40
How does it work on 6 meters?
On Tue, Apr 12, 2011 at 3:08 PM, William Levy wgl...@gmail.com wrote:
Gents,
I have used this SGC-235 500 watt capacity automatic ATU for more than 5
years. It is fed by a small Icom and the SGC cube amp in the back of my
Landcruiser. I run an ex military whip
I've used a friend's SGC-230 in a mobile installation and been quite
impressed with it. However, I'm not so impressed by the specs of the
SGC-235. If I read them right, it's good for 500 watts only on SSB, for
other modes it is only good for 200 watts and it does not cover 6m at
all. I want to
On 04/13/2011 02:00 AM, elecraft-requ...@mailman.qth.net wrote:
Is anyone using Wine successfully on linux to update his K3 or K144XV?
Unfortunately, it seems there is only a Windows version of K144XV Utility, but I
can't get it to work in Wine. Even after creating a com1 symbolic link to
Let me gloat just a little bit :-)
http://www.tippete.net/foto/Radio/K3/slide_153.html
took me about 15 hours, working slowly, frequently distracted by kid and
cat... now, to make room on the desk and learn to use it.
--
Pierfrancesco Caci, ik5pvx
I have adjusted RX EQ for 'Tone' using my headset. I don't hear the lows
well anymore so I have been able to compensate for that with the EQ settings
and I use Hi/Lo cut for ssb and shift/width for CW.
Audio sounds great for me.
Gary
On 13 April 2011 03:08, Mike Rodgers
Recently Don Wilhelm posted a K3 fix for noisy audio, I tried it and it
works very well. This fix solved a noisy audio problem I have had for over a
year. I'm an old timer, 88, and the K3 is a young transceiver took a while
getting together. I don't do digital modes or contests just sideband
Bob,w5pvr wrote:
The noise between transmissions was like Niagara Falls but not
any more.
Turn down the RF Gain. It really is that simple.
73, Barry N1EU
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* On 2011 12 Apr 10:18 -0500, Dick Dievendorff wrote:
The various utilities get their inventory of serial ports from the registry
under HKEY_LOCAL_MACHINE/HARDWARE/DEVICEMAP/SERIALCOMM. Device drivers
install values here in Windows.
Thanks, Dick.
That at least provides a starting point in
After spending a career chasing storms, each summer, following them, strike by
strike, repairing the damages to commercial communicatins radio systems, and
wishing deeply that there were a way to avoid the waste of time and resources
in repairing the inevitable lightning damage Motorola
Gday all,
Ive been playing with a elecraft k3 (with internal 2M).
Im finding the 2m stability awful! (audible drift on ssb!!!) I thinking of
putting a murata style crystal heater on the 116mhz? crystal to improve the
drift.
I wonder if anybody has tried this or has a better solution?
cheers,
Jim,
You are correct, the term ground loop is not meaningful.
Eric, please excuse this post - I know you have ended the thread (and I
changed the subject), but I fear many have become confused about my
comments because private responses related them to the specifics of the
Mac computers -
Soon there is going to be an option that will allow one to synchronize
the 2Meter transverter with the K3's LO. This should help quite a
bit. In the event that you want stability and accuracy there will
also soon be an option that will allow one to input a 10Mhz reference
and the K3 will
Thanks, Don. I am always happy to learn that something I don't
understand is meaningless! I even like to think that was the reason
that I didn't understand it!
73,
Rick Dettinger K7MW
On Apr 12, 2011, at 8:02 PM, Don Wilhelm wrote:
Jim,
You are correct, the term ground loop is
Unless Heil has changed their lineup, the Goldline does not have an HC-4 and
an HC-5 element. This cartridge lineup is in the HM-10 Dual mic, generally
a little cheaper than the Goldline.
The Goldlines are listed as GM-4 or GM-5 or lately the GM-5.1. These mics
have a very wide studio like
Even though you may have not had any problems in the past, it has
been said that the time you discover you have a problem, it may be
too late. We do not need any unnecessary silent keys within the ham
community, so be safe and bond things together, and most importantly,
if you have ground
Dale,
I have a good friend (Mike Higgins K6AER) who worked on lightning proofing
cell tower sights; and I can say you both really understand the importance
of good grounding!!
I have the good fortune (not so good in thunderstorms) to live on top of a
hill (6700 ft) south of Denver. Over the
As Dale stated Polyphaser is the way to go guys.
As to the RISK. I live in Northern Indiana where thunder and lightning are
common many times per year. I have three
towers with the top antenna at 175 foot level. Trees here barely make it to 70
feet. So I am IT. There is no DISCONNECT
during
I also experienced frequency drift in my K144V. The drift is worse than other
multimode v/u radios. However, it is ok to use k144v in FM. I am awaiting
product enhancement in k144v. Having said that, HF of K3 shown good frequency
stability.
Sent from my iPhone 4
grumss
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