Put the rig together in about 7hrs of continual (contest like)
assembly. No problems at all. Things went together like a Swiss
Watch.
Had to go bed sometime, but before then played with the final
result. Very impressive, and I'm sure that how good it is will
only grow with time. Well done guys.
Elecraft use, what are referred to as #4 screw threads. If your K3, like
mine, was not provided with screwjacks for both the DB9 and the DE15
connectors you will need to find some from your own surplus stock. If
you do, make sure they are of the correct thread.
[End of thread] no pun
Well in that case, what thread std do Elecraft use, otherwise aren't we
likely to get metric over here?
On 29/1/08 07:22, David Pratt [EMAIL PROTECTED] sent:
In a recent message, David Ferrington, M0XDF [EMAIL PROTECTED]
wrote ...
I thought all standard D connectors use the same jack screws.
Robert 'RC' Conley wrote:
I'd like to find and use a greyline program. Any help
Assuming it's for Windows (or Linux / wine) try VOAProp
(http://www.g4ilo.com/voaprop.html). It displays propagation estimates using
VOACAP as well.
-
Julian, G4ILO K3 s/n: 222 K2 s/n: 392
G4ILO's Shack:
wb8yqj wrote:
I'd suggest that by the book is the only way to go
with this transceiver, -everything- has been thought
of, but you really need to follow the plan to the
letter.
For example, the front panel has 4 main standoffs, all
5/16ths long but 2 are drilled at 2-56 and 2 are 4-40.
I third this motion - one or two are bound the roll off the table, with
aging eyes and poor colour sight it is not easy to find the little
blighters!
Simon Brown, HB9DRV
- Original Message -
From: David Pratt [EMAIL PROTECTED]
I'll agree to that one, Stewart. There were plenty of
In a recent message, Stewart Baker [EMAIL PROTECTED] wrote
Only slight negative is that there should be a few more flat black
case screws supplied as spares. Exact amount needed supplied,
however I am sure that I will lose one or two when I open the case
to show off the craftsmanship...
I'll
I've just received my K3 and HexKey covers from Rose Ken Kopp and they are
really great, I'm very impressed with the workmanship.
Very pleasant couple that give a service at Elecraft's standard. Good
communication and emails along the way. Sent USPS on 22-Jan, arrived in UK
on 29-Jan. A pleasure
I third this motion - one or two are bound the roll off the table, with
aging eyes and poor colour sight it is not easy to find the little
blighters!
I always like to see spares packaged separately from the main hardware.
Knowing you've ended up with the exact parts count is a tremendous
Paul Christensen-2 wrote:
I always like to see spares packaged separately from the main hardware.
Knowing you've ended up with the exact parts count is a tremendous stress
reliever. When I am faced with seeing extra hardware after construction
is
complete, I am left wondering if the
If you are going to be taking them apart so often to show folks :o) perhaps
some nice black knurled thumb screws would be in order.
David
G3UNA
From: David Pratt [EMAIL PROTECTED]
Date: 2008/01/29 Tue AM 09:44:00 GMT
To: Elecraft Reflector elecraft@mailman.qth.net
Subject: Re:
Joe,
RTTY transmit and receive are both enabled on the K3. You
need to turn it on however. Go to digital mode, and then
you need to set your K3 to RTTY by using both the 8 and
9 buttons on the keypad. Both are accessed by holding
rather than just tapping. On the 8 button you set it to
Yes. With Data MD set to FSK or AFSK, HOLD TEXT DEC and use VFO B to set it to
ON. VFO
A adjusts the threshold. Turn on CWT to use the tuning indicator and adjust
the
indicators so the are of approximately equal amplitude on both sides.
-
73,
Greg - AB7R
Whidbey
M0XDF wrote:
I've just received my K3 and HexKey covers from Rose Ken Kopp and they
are
really great, I'm very impressed with the workmanship.
Is there a picture of one of these covers anywhere? I'd quite like a cover
to keep the dust off my K3 and keep the front from getting bashed,
Like a dream. Very good audio reports using Heil Pro Headset.
I was able to set the VOX to exactly my reqts, unlike all other
rigs (inc K2) that I have owned.
73
Stewart G3RXQ
On Tue, 29 Jan 2008 11:41:57 -0500, Mike Christiansen wrote:
So how did it perform for you on your first QSO?
Mike,
Do you drink whisky, bourbon, vodka? Ice cube trays work quite well
for the small components (and the problem of not having ice to go in
your favorite tipple gives an extra incentive to get that K3 finished
quick!) Cheers! :)
--
Julian, G4ILO
Member: RSGB, ARRL
QRP Station: Elecraft K3 #222, K2
Your external meter is intended to be used in a 50 ohm system,
right? But in this situation your KAT3 internal tuner has
transformed the output so that you don't have 50 ohms at the KAT3's
output terminals (It has matched the load) and therefore not at the
external meter's input terminals.
Hello Tedd
The problem is your external SWR meter is just that,
external. The KAT3 provides a 1:1 match to the
K3, that is, between the KAT3 and the K3 TX. Your
external unit is on the unmatched side of the KAT3
and, of course, sees no change.
Trust the KAT3 to get the job done, and set aside
So how did it perform for you on your first QSO?
Mike, N4GW
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Stewart Baker
Sent: Tuesday, January 29, 2008 9:50 AM
To: G4ILO; elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3/100 Kit #307 Lift Off
I had
One of the best pieces of advice gleaned from this reflector prior to
assembly was to inventory all the parts, right down to screw level, and
store all the different screws, nuts, washers etc, in egg cartons labelled
with their specific descriptions.
I guess that leaves out those of us who
If you are going from mac to mac then ssh is built in. This creates a
secure encrypted tunnel between the two machines.
Open a terminal window (Apps - Utilities - Terminal)
Type:
ssh -L 3000:localhost:5900 remoteusername@remote host
Once you enter the passwd of the remote host you are in.
Just out of curiosity, if the ST P menu item was changed, to change
the CW tone, would that cause a similar shift? And by default that is
tied to the PF2 key, and would not be terribly hard to bring up by
mistake. I know I have done it.
Dave Wilburn
K4DGW
K2/100 - S/N 5982
Don Wilhelm
Hi Stephen. Check out my website at www.telepostinc.com. Look at the
section titled Remote Base Station Related Stuff The system I use
requires no PC at the remote site if you use the referenced hardware
serial device servers, but could be done with a Mac if there is a serial
device server
Tom Hammond-2 wrote:
Yes... and the SWR (AT THE POINT AT WHICH YOU'RE MEASURING IT) is going to
REMAIN 5:1 for a long time... hopefully... if it changes, then there's a
problem with your antenna.
And what's more, if the feeder is very long, it could result in significant
signal losses.
I have often thought about adding an additional BNC connector to my K2 and
KAT2 to insert an external meter like the W1 in between the rig output and
the antenna tuner input. A short jumper would be needed if the meter is
disconnected. The aux RF is one BNC connection and another could be wired
David,
Your CAL CUR setting is limiting the power output. Yes, the current is
trying to be excessive and the K2 cuts back on the power to limit the
current. The Hi Cur message says that the microprocessor has done just
that.
Most of the time the cure to that problem lies in the low pass
Hi Ted:
I am attempting to tune a Zero-Five Vertical with the KAT3. How do
I determine if the KAT3 has found a match? I see the SWR on the K3
close to 1:1and full power out but my external SWR meter is still 5:1.
Yes... and the SWR (AT THE POINT AT WHICH YOU'RE MEASURING IT) is going to
Consider using a personal VPN such as Hamachi to tunnel your control
software through. It is encrypted end-to-end and works very well.
73 john k5js
myhosting.com - Premium Microsoft® Windows® and Linux web and application
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Unless he's in a very small company, owns the company and doesn't mind
the risk, and/or works for someone who isn't paying any attention to
network security, ain't no way that's going to happen should be the
answer.
My company does allow remote
Hi,
No mention has been made in this thread about group delay and the dsp
filtering; my limited knowledge of dsp tells me that FIR filters are linear
phase so does that mean we should be using the (newly selectable) FIR
setting for data modes rather than the original IIR?
73,
Stewart
My new K1 is working great!
However, the SWR indications appear to be a bit low.
For example, I have a ground mounted vertical antenna (Hy-Gain 18-HT Hy-Tower)
with lots of radials. The SWR as indicated by the K1 is 1.0:1, which does not
appear to be correct. My trusty MFJ 249 tells me the
We've released a new revision of K3 firmware (both MCU and DSP). Please
see the release notes below.
73,
Wayne
N6KR
* * *
MCU 1.65 and DSP 1.52, 1-27-08
* TUNE POWER level menu entry added (TUN PWR). This determines the
power level used
when the TUNE switch is pressed. The default,
I had lots of spares screws of the variety I have lots of..
A few spare (rare) case screws would be appreciated.
Now everything is calibrated I'm off to make my first SSB QSO with
the rig. CW will have to wait till I'm more relaxed.
73
Stewart G3RXQ
On Tue, 29 Jan 2008 04:24:23 -0800 (PST),
Is the RTTY decode feature on the K3 enable in the current formware
version???
73, Joe W2KJ
I QRP, therefore I am
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Great, there is only one other company that I have experience of, that
responds in this way, and that is DogPark Software who wrote MacLoggerDX.
Wonderful service Wayne.
Tune Power - greatly desired, thank you.
Mode Switch - really good button press saver :)
Installed via Mac software, no
I spent some time in Aberdeen in the winter. I wanted
someone to turn the heat on, not bring me ice.
--- [EMAIL PROTECTED] wrote:
Ice??? A Brit who uses ice?? I spent a fair amount
of time in the
Mother Country and can only conclude that they've
finally
been corrupted by us Yanks!
Oops. Just searched the archives and realized it was a filter assignment
error. Sorry for the bandwidth.
Regards,
Tedd K6OI
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I get this error when transmitting. Happens on all bands into a dummy load.
It was transmitting fine last night. BTW thanks to all who helped me on the
KAT3 tuning question.
Regards,
Tedd K6OI
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I am getting an ERR TXG error message when attempting to calibrate the
power on 60 meters. This happens at both the 5W and 50W calibration
points. All the other bands are OK.
Although page 46 of the Owner's Manual does not specify, I am doing the
power calibration at the bottom end of each
Carl,
Yes, I may have been the one to suggest those resistors for a dummy load
- if you used the 50 ohm ones, they should be flat up to 200 MHz or more
depending on your physical implementation - short leads and such.
Yes, adjust R2 to indicate the correct SWR - no smoke will happen - but
Don, thanks so much for the reply.
My dummy load is one I cooked up for my K2 SWR adjustment. It consists of some
50 ohm precision film type resistors bolted to an aluminum heat sink. I can't
recall who gave me the idea, and suggested the actual resistors to use, but it
may have been you.
David
In addition to the other comments, you antenna may be
a factor. If you have a dummy load (if not try to
make one that can handle 5 watts or so) try it. If
your K2 is not operating into a reasonable match, of
course it will limit the transmit output to protect
the power transistors. If
I wondered if any has connected up a TT Band Decoder to the ACC socket
yet. I am just about to make up a suitable cable. Also theer was some
discussion somewhile back about TX Inhibit for connecting to amps.
Anyone done this. I see it needs an external +5v source.
On my FT1kMP use the band
On Tuesday 29 January 2008 02:00:00 pm David Ferrington, M0XDF wrote:
Great, there is only one other company that I have experience of, that
responds in this way, and that is DogPark Software who wrote MacLoggerDX.
I had an email answer from an engineer at SGC within an hour of
sending a
Ice??? A Brit who uses ice?? I spent a fair amount of time in the
Mother Country and can only conclude that they've finally
been corrupted by us Yanks!
Doug
W6JD
-- Original message --
From: Julian G4ILO [EMAIL PROTECTED]
Do you drink whisky, bourbon, vodka? Ice cube
If you send Rose Kopp an email, she will send you pictures. They have a flap
on the back, so they can slide right on from the front. They look awesome
Mike, N4GW
-- Original message from G4ILO [EMAIL PROTECTED]: --
M0XDF wrote:
I've just received my K3
Hallo David,
I am getting an ERR TXG error message when attempting to calibrate the
power on 60 meters. This happens at both the 5W and 50W calibration
points. All the other bands are OK.
Try a higher frequency. I also had the same problem at the bottom of the
60m band, but I don't know
I second that. I was helping a friend over the radio the other day.
He was trying to install the auto-tuner he bought for his Jupiter. He
was confused, as they used different terms in their manuals, for the
the various wires, at various points in the manuals. I thought I
would go grab a
Dave,
The ST P parameter changes only the sidetone pitch, it does not change
the filter centering.
BUT, the amount of transmit shift is determined by the ST P value, so
the transmit frequency will change, but the receive frequency stays the
same. That is why it is best to center your CW
Carl,
The main reason for the reflected circuitry in the KAT1 is to monitor
for the lowest SWR during a TUNE operation. For that purpose, it is not
necessary that the indication is accurate.
If you wish to calibrate the SWR indication, check the C9 balance
setting first - connect a known
David wrote:
I still think my RTC runs slow by about 8 seconds over 48hrs, but the
jury
is still out on that one and if it does, I doubt there is much you can
do.
The spec is +/- 2 seconds per day, so you're a little high. This means
that the real-time-clock chip's 32 kHz oscillator is
For the first time in my radio career, I have a fast internet connection
co-located with my rig. I just used the K3 updater to install the current
firmware and the process was amazingly smooth and fast. The software
checked for an update, found one, downloaded it and then sent it to the rig.
The
What a dream come true. I would have had to have boxed up and shipped my
present high-end rig back to Japan four times by now for the same amount of
updates. You guys amaze me!
73,
Terry, W0FM
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL
My XLY uses so much, I bought an ice making machine!
On 29/1/08 19:35, [EMAIL PROTECTED] [EMAIL PROTECTED] sent:
Ice??? A Brit who uses ice?? I spent a fair amount of time in the
Mother Country and can only conclude that they've finally
been corrupted by us Yanks!
Doug
W6JD
--
Not the Scots! Whisky with ice??? Good grief !
Geoff
GM4ESD
- Original Message -
From: [EMAIL PROTECTED]
Ice??? A Brit who uses ice?? I spent a fair amount of time in the
Mother Country and can only conclude that they've finally
been corrupted by us Yanks!
Doug
W6JD
For those keeping track of K3 deliveries:
Order date May 5, 2007 (NO DEPOSIT)
K3/100 (S/N 312) shipped from Elecraft on Jan. 25, 2008
Received Jan. 29, 2008
73,
Frank - W6NEK
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You must be a
I'd be willing to pay a 10 to 15 dollar adder for knurled knobs that allow
one to take the top of quickly and easily to show off the guts... I'd want
them to be relatively low profile though.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL
I recall a couple of months or so back there was vociferous discussion
about TX Inhibit being absolutely vital for linear amp switching. I use
this on my FT1kMP / Acom 1000 combo. Now that it has been included I
wonder if anyone is using it and where they get the +5v from for the
pull-up
Chris,
I have my K3 hooked up to a Top Ten Yaesu decoder, and it seems to work
fine. You need to connect 5 wires: the four BCD outputs and ground. Once I
figured out the pin numbering it was straightforward (Pins on the ACC jack
are numbered 1-5, 6-10, 11-15 from right to left and top to
Oh thanks for that Andy. I'll get it wired up in the morning with
confidence then! I know that Dave N3RD (of Top Ten) and Sig N3RS are
eagerly awaiting their K3s and will also be interested.
73 Chris G3SJJ
Andrew Faber wrote:
Chris,
I have my K3 hooked up to a Top Ten Yaesu decoder, and
David,
Please try doing the calibration on one of the 60M channels. Try 5403.5 kHz.
-
73,
Greg - AB7R
Whidbey Island WA
NA-065
K3#0009
On Tue Jan 29 14:02 , David Pratt sent:
I am getting an ERR TXG error message when attempting to calibrate the
power on 60 meters.
I don't know what thread you will need, but I remember seeing nicely
coloured types for making computer cases look flashy, gold, black, green,
red...
David
G3UNA
- Original Message -
From: Brett Howard [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; 'David Pratt' [EMAIL PROTECTED];
Or,
Just go whole hog and get a lexan cover, just like
some of the early electronic watches...
(RF shielding could be a problem though.)
Rob
KC6ROC
K2/100 #5924
--- Brett Howard [EMAIL PROTECTED] wrote:
I'd be willing to pay a 10 to 15 dollar adder for
knurled knobs that allow
one to take the
Maybe just take lots of photos before you close it up?
Jerry W4UK
At 05:52 PM 1/29/2008, Brett Howard wrote:
I'd be willing to pay a 10 to 15 dollar adder for knurled knobs that allow
one to take the top of quickly and easily to show off the guts... I'd want
them to be relatively low profile
Dear Don,
Thank you very much for the tip. I found the problem. I had 2 turns
on the secondary (white) of T4 instead of 3. Fixing that solved both
the 80 meter and 30 meter problems. I guess it doesn't like
impedance mismatch. If I set the power knob at 14 watts, I now get
at least
If the KAT1 merely tunes for the lowest voltage as developed at TP1, then does
the KAT1 really use the 1.2:1 criteria to initiate an attempt at finding a
good match?
Page #11 of the Rev. C KAT1 manual says:
If the match is already very good ( 1.2:1), the tuner's L and C settings will
not be
Chris,
Good luck with it. I have the TT Decoder powered by an independent 12 volt
source. It has internal pull-up resistors, so there appears to be no
connection needed other than the ones I mentioned. It took me a bunch of
trial and error time to figure this out. Let us know how it works.
Ah come on... If you didn't have a K3 and you went to a buddy's house that
had one would you wanna see inside it or see pictures of inside it?
Maybe just take lots of photos before you close it up?
Jerry W4UK
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Nice, but they need a special nut fixed into the chassis; would be a bit
of an engineering job to get them in I think.
David
G3UNA
- Original Message -
From: Stan Rife [EMAIL PROTECTED]
To: 'Elecraft Reflector' elecraft@mailman.qth.net
Sent: Tuesday, January 29, 2008 11:51 PM
How about some Dzus (sp?) type twist lock fasteners?
Stan Rife
W5EWA
Houston, TX
K2 S/N 4216
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Brett Howard
Sent: Tuesday, January 29, 2008 4:52 PM
To: [EMAIL PROTECTED]; 'David Pratt'; 'Elecraft
Greg,
I don't know. I took them out of the connector box that I have. I assume
they are 1/8 inch. Doing some quick math says that if plugs are exactly
3.5mm, they would be a little thicker.
Are you saying that the K3 using metric jacks?
73, andy, ae6y
- Original Message -
From:
Only issue is that the Mic and Headphone jacks on the back
are pretty frail and don't make very positive contact sometimes.
Andy, Are you using 1/8-in plugs or 3.5mm?
-
73,
Greg - AB7R
Whidbey Island WA
NA-065
K3#0009
On Tue Jan 29 15:07 , Andrew Faber sent:
Chris,
The only way to drink fine Scott's Whiskey,
particularly my favorite, Glen Fiddich is neat.
Perhaps with a bit of beer for a chaser. Of late I
have been enjoying a nice brew that is labeled
Newcastle Brown, but my Geordie contacts assure me
that it is Newcastle Brun.
--- Geoffrey
Carl,
:-) Don't worry about it - it does work.
Actually the KAT1 (and other Elecraft tuners) do a comparison of the
forward and reflected power in the microprocessor in the tuner. It is
the main K2 microprocessor that displays the SWR.
The way I read that statement in the manual the tuner
Have downloaded 1.65 / 1.52 and cannot find the Menu item for setting Tune
power (TUN PWR) as advertized in the release notes.
Don K7FJ
K3 195
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Brett,
Try McMaster-Carr (www.mcmaster.com) PN 91185A221 4-40 1/4 inch long
with a plastic knurled head 5/16 diameter and 11/64 inch high. They
only come in boxes of 100, so you would have some to share.
73,
Don W3FPR
Brett Howard wrote:
I'd be willing to pay a 10 to 15 dollar adder for
I am currently travelling in the U.S., and will be taking my long-awaited K3
back with me to Munich.
I had it shipped to an old friend in Jupiter, FL, where I plan to assemble
it at his house when I arrive there next week. The exact assembly dates will
be the 5th and 6th, before heading to
I find the TUN PWR menu option available if I have CONFIG:TECH MD on and
absent if I have CONFIG:TECH MD off.
Dick, K6KR
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Don Ehrlich
Sent: Tuesday, January 29, 2008 4:44 PM
To: elecraft@mailman.qth.net
You must first enable the Tech MD menu item. Config == Tech MD == use
VFO A to set it to ON == now use VFO B to locate TUN PWR == use VFO A to
set power == tap MEMU -- Done.
Now when you Push and hold XMIT to get to the TUNE function, it will provide
the power you set - while there, you can now
On Tue, 29 Jan 2008 17:51:00 -0600, you wrote:
Wow! I haven't seen any of those since my days at Aero Commander!
How about some Dzus (sp?) type twist lock fasteners?
Stan Rife
W5EWA
Houston, TX
K2 S/N 4216
[snip]
Tom, N5GE - SWOT 3537 - Grid EM12jq
They that can give up essential
Hi Elecrafters,
I am looking at the BL2 250 W balun. Is it a voltage or a current balun?
I plan to use it with an Inverted Vee for 23-30-40 m
73 de Pierre VE2PID
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Andy,
All the small connectors on the rear panel are 3.5mm.
Greg
-Original Message-
From: Andrew Faber [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 29, 2008 4:05 PM
To: [EMAIL PROTECTED]; 'G3SJJ'
Cc: Elecraft
Subject: Re: [Elecraft] Band decoder and Tx Inhibit
Greg,
I don't
sorry for the error on my earlier post .. I plan to use it on 20-30-40 m
;-)
de Pierre VE2PID
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On Tue, 29 Jan 2008 17:51:00 -0600, Tom wrote:
Wow! I haven't seen any of those since my days at Aero Commander!
How about some Dzus (sp?) type twist lock fasteners?
Stan Rife
W5EWA
Houston, TX
K2 S/N 4216
[snip]
Actually, they are called Druz fasteners, and allow for a quick
So if I order the Heil headset for my mic w/ the K3 what do I need to buy to
have a PTT button? I'm assuming that there are footswitches for this but
not sure what the best bang for the buck type stuff would be. What jack
does this plug into? My hope is that I can use the Elecraft/Heil headset
Ok so I've been reading about all this group delay stuff and the what not...
But still don't get what the best option of a CW/Digital filter is going to
be... I'd like to have as much flexibility as possible and my main use for
the radio would be for contest use. But I want to be able to
My Aircraft Spruce catalog calls them Dzus fasteners.
They come in lots of sizes and real expensive, however
they are much larger and more expensive than a 4-40
screw. And the installation tools are much more
expensive than a #1 Phillips, so I will take my K3 the
way it was designed and buy some
Hello,
Does anyone have any experience with this headset and mic for sale on Ebay?
260174855278
The price is right, but don't know if it is any good. The Heil setup, I'm sure
will do the job. However I would like to look at other options. The only mics
in my shack are Drake 7077 for a TR-7
Doug,
You 'cheated' and looked at their website - I am the proud recipient of
a paper McMaster-Carr catalog - it is now 7 years old and it took 3
years of requests to get it. They do have a lot of good hardware stuff
and provide great service.
73,
Don W3FPR
DOUGLAS ZWIEBEL wrote:
I was planning on running this past my wife once I got my K3... I'm sure
she'll hook me up with a good solution. Being a mechanical engineer she's
actually got a paper copy in her office as well :)
Funny thing is I'm probably one of very few guys here that when the K3 shows
up my wife
Go Here:
http://www.mcmaster.com/
Search for thumb screws Lots of options, 453 matches.
No financial interest just an always satisfied customer.
73,
Bob
K2TK
-Original Message-
On Behalf Of Brett Howard
I'd be willing to pay a 10 to 15 dollar adder for knurled knobs that
I cannot comment much on the microphone situation except to say that the
old crystal mics (Astatic and D-104) are high impedance and will need
some type of hi-Z to lo-Z conversion to work with modern transceivers
(K3 included).
As for test equipment for the K3, little is needed - a good 50
Try McMaster-Carr (www.mcmaster.com) PN 91185A221 4-40 1/4 inch long
with a plastic knurled head 5/16 diameter and 11/64 inch high. They
only come in boxes of 100, so you would have some to share.
The online catalog indicates that the package size is 25 ... and
if you call, they are often
I'd be willing to pay a 10 to 15 dollar adder for knurled knobs that allow
one to take the top of quickly and easily to show off the guts... I'd want
them to be relatively low profile though.
McMaster-Carr has what you want. Figure out (from the inventory) what
size and length(s) you need,
Thanks to all with their help and advice which I must now mull over. One
thing that has (rather late in the day) occurred to me is that I do not have
a static IP address from my ISP. So I could, presumably, look up the
address given and use that, accepting that I shall have to change the
Suitable 4-40 x 5/16 thumbscrews are available from Elecraft as Part
No. E700050.
These are used in the KX1.
David G4DMP
In a recent message, Brett Howard [EMAIL PROTECTED] wrote ...
I'd be willing to pay a 10 to 15 dollar adder for knurled knobs that allow
one to take the top of quickly and
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