The older a certificate, the more likely the private key to have been
broken (both from a longer time to try and because technology advances
make it easier), or leaked, or that domain has been lost to someone less
reputable, so certificates need to have time limits.
Although it is true that
Hello Phil,
Apart from technicial specifications, it will also depend on whether you will
use the transverter with other rigs. If your answer is yes, you then need the
XV144.
One more thing, XV144 is supposed to work at 10 watt if under full duty cycle
i.e. FM mode. In fact, when XV144
Johnny -
The Mitsubishi RA30H1317M module used in the XV144 is supposedly rated
at 30W at 135-175MHz. Having said that my XV144 seems to trip out if I
run it more than about 5W on FM.
73
David G4DMP
[Top posted as recommended, but I don't like it!]
In a recent message, Johnny Siu
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I totally agree with this.
I've too noticed when running the XV144 at more than 10/15 W the xverter
case get pretty hot.
The Elecraft guys btw are well known to be conservative about component
choice, keeping well within the safe limits.
On the other hand, just to keep things less hot I'vee
Hello Giulio,
The XV144 is not cheap. It is a great waste if it only uses for SSB/CW.
However, it is really hot even run at 10W FM.
Yes, I do the same and add a small CPU fan. Where do you take the 12T point?
cheers,
Johnny VR2XMC
- 郵件原件
寄件人﹕ Giulio Pico - IW3HVB
Thanks to those of you responding. The solution was in using the H
setting on MIC SEL. The only thing yet required is some final tweaking
of the transmit EQ.
73 Brian KD0HII
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One of my first transmitters was a Millen with a keyed 6L6 crystal oscillator
and an 807 final. So I know what chirp sounds like.
It sounded like chirp to me.
Wes
--- On Mon, 12/7/09, Vic K2VCO v...@rakefet.com wrote:
From: Vic K2VCO v...@rakefet.com
Subject: Re: [Elecraft] [k3] NB
Is there any current source for the PCB's that EA3BLQ provided?
I was looking at the site and the mods look rather interesting.
tnx Conway Yee, N2JWQ
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Hi Brian,
I have the Heil PR781 on my K3 (#474). I run the mic gain per the manual,
EQ flat and compression at about 10 and have gotten very good audio reports.
Also, no other in-line amps, mixers, etc.
73,
Terry, W0FM
-Original Message-
From: br...@brianlinn.com
Hi Jim,
I don't want to ask you to repeat yourself, but do you have a short
list of recommended mics for the K3 (or in general)?
Using the Goldline HC-4 and -5 on #24, I've always like the audio and
got good reports. Just the same, I think we're all in line to put out
better audio if possible.
My W6UOV (W6PO) designed 8877 two-meter amp needed more like 100 W drive to
deliver 1500 out.
In the original article, Ham Radio Magazine, Aug 1971, pp 22-28, he listed
operating parameters. He claimed 13.8 dB gain at 1 KW out. I never saw that
at 1500 W out. A good rule of thumb is gain =
Yes, I find on DSP settings on the NB over about 6 that there are some
type of artifacts that make the signal chirp or some sort of distortion.
Merv KH7C
I worked and have since been listening to J79WE on 40m CW for some time. The
wind is blowing about 40 mph so the power lines are acting up
An accessory keypad or keyboard that plugs into the front panel jack would
be welcome here. A keyboard with the Function keys mapped to different
macros would be interesting.
Wayne said: Better yet: An Elecraft accessory keypad that plugs into the
front-panel jack under the VFO B and RIT
Do I need to see S meter reading changes when choosing between ATT and
PRE ?
Thanks
Sergey 4Z5TV
--
View this message in context:
http://n2.nabble.com/K2-S-meter-readings-tp4133464p4133464.html
Sent from the Elecraft mailing list archive at Nabble.com.
As Eric has declared this subject as CLOSED. please take the
discussion to arrl-l...@yahoogroups.com. There is an ongoing thread
on the same subject with much more detail than has been presented here.
Bob, N7XY
On Dec 8, 2009, at 12:36 AM, David Woolley (E.L) wrote:
The older a
Dear OM's,
I sent an email response to someone (in frustration) yesterday that
inadvertently went to the reflector. It should not have been sent.
Regardless, I apologize if I have upset anyone over it.
73 and Happy Holidays to all,
James K2QI
--
73 de James K2QI
Sergey,
You can have the K3 S-meter either way you want. In ABS (absolute)
mode, there will be no change with use of the attenuator and preamp.
In the NOR (normal) position, there will be a change.
73,
Don W3FPR
Sergey Dan wrote:
Do I need to see S meter reading changes when choosing between
Thanks Merv,
So it isn't my imagination as some have inferred.
Wes
--- On Tue, 12/8/09, Merv Schweigert k...@flex.com wrote:
From: Merv Schweigert k...@flex.com
Subject: Re: [Elecraft] [k3] NB Chirp
To: Wes Stewart n...@yahoo.com
Cc: Elecraft Reflector elecraft@mailman.qth.net
Date:
I find the CWT indicator very useful as a manual tuning aid, for auto
zero beating using SPOT, and for obtaining the proper decoding
threshold for CW, PSK, and RTTY. I am also one who uses the RF GAIN
control to minimize band noise and increase the S/N ratio of weak
signals. Unfortunately,
Hello Elecrafters,
I recently stumbled upon an advertisement for the DZKIT Sienna, a
full-featured transceiver kit. Looks pretty interesting, and would appear
to at least be direct competitor to the Elecraft K3. Has anyone here had
the opportunity to play with one, or even compare one against a
Wes,
The DSP NB causes some artifacts at its higher settings. This is an
unavoidable side effect of signal processing.
The DSP NB is applied after the crystal filter, so the bandwidth is
already constrained, removing some of the inherent characteristics of
noise pulses, including their
Assuming a simple blanking action that switches off the signal path
during the blanking pulse, you might be perceiving this as modulating
the input signal at the repetition signal of the blanking pulses. Let's
say that you have the signal tuned to the default center of the cw
passband at 600
Is the DSP blanker input level also subject to AGC?
Duncan, W5DC
Wayne Burdick wrote:
Wes,
The DSP NB causes some artifacts at its higher settings. This is an
unavoidable side effect of signal processing.
The DSP NB is applied after the crystal filter, so the bandwidth is
already
On Tue, 08 Dec 2009 07:24:59 -0800, Matt Zilmer wrote:
I don't want to ask you to repeat yourself, but do you have a short
list of recommended mics for the K3 (or in general)?
Using the Goldline HC-4 and -5 on #24, I've always like the audio and
got good reports. Just the same, I think we're
On the K2, yes if it is adjusted properly.
John
At 09:16 AM 08/12/09, you wrote:
Do I need to see S meter reading changes when choosing between ATT and
PRE ?
Thanks
Sergey 4Z5TV
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Hi James,
The Sienna is an interesting design, and I believe it's available in
kit form. I've met the designer, a very capable engineer.
Given my inherent bias, you can take the rest of my comments with a
grain of salt.
The rig is vastly different from the K3. The K3 has about 20 dB
DSP noise blanking is applied after the hardware AGC, as in all other
rigs I know of that include DSP NB, but I believe it is pre-DSP-AGC.
Lyle may want to comment on this. I know we spent about a year
optimizing the gain balance!
73,
Wayne
N6KR
On Dec 8, 2009, at 9:39 AM, Duncan Carter
Level 3.63 FW rev 5
XG2 7040 signal.
I get center of 7040.33 to match the spot pitch of 500 cycles.
Is this normal?
Ken K5WK
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For Sale
Elecraft K3 - 100
One year old, kit, built by me; aligned, etc. by Elecraft
Perfect condition, no scratches or marks, non smoking environment.
Includes:
KAT3 Automatic antenna tuner
KPA 100 watt module
KBPF# General coverage receive module
General coverage
Part of the back and forth on this thread seems to be over the
definition of chirp.
The original definition of CW chirp, quite familiar in the 50's and
common, was a signal that went,
Dwp Dwoooip Dwp Dwoooip
Dwp Dwp Dwoooip Dwp
The
Hi,
I have used my K2/10w a lot the last couple of years. Always a good
performer on CW and very good audio reports on SSB. The KAT2 tunes any
antenna I have tried an I have used it a lot portable. At one portable
activity last summer the radio was exposed to direct sunlight for a while
and got
K3 beta-test firmware revision 3.66 (with DSP rev. 2.48) is now
available.
AF Output Protection: The DSP now senses when AF output would be so
strong as to drive the speaker or headphone amplifier into the
clipping range. If this happens, AF is muted until you reduce signal
levels,
On the XG-x units, the LEVEL is intended to be fairly precise, the
actual frequency will vary in a minor fashion according to the actual
crystal. The XG's aren't intended to be a frequency standard.
73, Guy.
On Tue, Dec 8, 2009 at 1:20 PM, Kenneth Waites barbiek...@yahoo.com wrote:
Level 3.63
That's a great feature; can't wait to try this out at home. I've been
deafened more than once by accidentally turning off the AGC!
Thanks Wayne and crew.
James K2QI
On Tue, Dec 8, 2009 at 2:09 PM, Wayne Burdick n...@elecraft.com wrote:
K3 beta-test firmware revision 3.66 (with DSP rev. 2.48)
I am working my way through Wes Hayward's book EMRFD along with Doug DeMaw's
book W1FB's QRP Notebook and am creating a new part order. Yes, I will
receive discrete parts for my Christmas present. Since I needed something to
put under the tree a nice box from Mouser would look just fine.
Wayne please also consider a means for integrating a keyboard for CW into
your keypad (like this ? -
http://www.hamgadgets.com/store/product_info.php?products_id=106) as some of
us are fighting a loosing battle with arthritis - using my Vibrokeyer or
Bencher is getting tougher every day.
73,
Hi Wayne,
I had to laugh at your comment about letting those with actual experience take
over, (if you can find any). However, I met the designer at his facilities in
Loveland, CO last month and actually got to see the Sienna. I saw his add in
the back of QST. It's a nice rig. After you add
Usually a quick Google search will return several choices. Search for
2N substitution. I tried it and got several choices. You can
usually search for the exact device and get the entire specification
to compair.
73,
AK5X
Sent from my iPhone
On Dec 8, 2009, at 2:00 PM, Kevin Rock
We're interested in this, Gary -- thanks for the suggestion.
Meanwhile, you can always use the Terminal function of K3 Utility to
send/receive in CW, RTTY, and PSK31 modes using your PC keyboard.
73,
Wayne
N6KR
On Dec 8, 2009, at 12:59 PM, Gary NL7Y wrote:
Wayne please also consider a
I use the NTE Electronics cross reference. I find that many transistors can
be substituted by several alternatives.
http://nte01.nteinc.com/nte/NTExRefSemiProd.nsf/$$Search?OpenForm
Steve Finch, AIØW
Bailey, CO
a...@arrl.net
-Original Message-
From: elecraft-boun...@mailman.qth.net
I need some 2N4416s and some BB104s and find them
either as scarce as hen's teeth or dear enough to make
Croesus cringe.
Kevin brings up good points. (Probably any general purpose FET will work,
Kevin.) For a real challenge, try finding a dual-gate MOSFET such as the 40673
which used to
Brian, the designer gave me the impression that the
rig isn't really designed for contesting but, more for
rag chewing and leisurely operating.
The Sienna's front panel is gorgeous, definitely the most attractive and
innovative of any rig. You can order one in any color you'd like for an
I just returned home from a visit with two K3 owners here who were nice
enough to demo their rigs for me. This from a posting a few days ago asking
if anyone would be open to such an offer. Details for those interested are
on my website.
Thanks Sid Bill!
73,
John Harper AE5X
I have to make a comment. I just looked at the Sienna and before I read
anything about the radio itself, I was struck by how ugly the front panel was
-- it reminded me of some old antiquated automation control panel of
sub-station equipment (e.g. an RTU). And, I thought to myself, I am glad
Wall warts are like Tribbles.
Has someone found the near perfect, readily available, budget outlet strip
for wall warts?
73,
Dick - KA5KKT
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Help:
WorksSounds like an old time telegraph sounder clicking away.
Is there any means to disable it in the menu?
Before, with AGC off, a static pulse would hit and just produce a distorted
click but I could still copy cw. Now it completely blanks out everything.
I'm not too sure I like this
That's why it's a beta release :) We're seeking additional input on
this revision and will make an adjustment to the behavior ASAP.
tnx
Wayne
On Dec 8, 2009, at 1:51 PM, Steve Ellington wrote:
WorksSounds like an old time telegraph sounder clicking away.
Is there any means to disable
i know we've hijacked a thread, but if you did go the keyboard route,
then being an to control everything about a keyer, including memories
etc (function keys), from a small usb keyboard would be cool.
73 de M0XDF, K3 #174
--
i don't do caps, i'm a unix man!
david ferrington, 1953 -
On 8
I bought a long power strip from Home Depot; it's black and yellow and the
spacing between outlets was wide enough to allow a multitude of wall warts
to be attached. I cannot remember the brand, but I do remember the price;
about 50 dollars. It wasn't cheap, at least compared to most power
K2VCO
Vic,
Thanks for the info on how to correctly get into the DIVERSITY mode on
the K3. After holding the SUB button down for two seconds I thought that I
was in the diversity mode, and actually had diversity reception. But if I
had continued to hold the button, as you indicated, I would
Hm. I had the exact opposite reaction. I guess beauty really is
in the eye of the beholder :-)
73
--
Joe KB8AP
On Dec 8, 2009, at 1:22 PM, Al Lorona wrote:
The Sienna's front panel is gorgeous, definitely the most attractive
and innovative of any rig. You can order one in any color
I got a nice one from Harbor Freight for about 25 bux. 12 outlets and an
on/off switch. If you don't have a store locally, they're on the web.
73, Mike NF4L
Edward Dickinson, III wrote:
Wall warts are like Tribbles.
Has someone found the near perfect, readily available, budget outlet strip
I don't have an XG2 yet (I put it on my XYL's Christmas shopping list I handed
her yesterday tho) but I suspect that that frequency isn't out of line (or
spec).
Wes N7WS
--- On Tue, 12/8/09, Kenneth Waites barbiek...@yahoo.com wrote:
From: Kenneth Waites barbiek...@yahoo.com
Subject:
http://store.americanmicrosemiconductor.com/1n21.html?gclid=CJnj39KAyJ4CFSUsawodg32mrA
--- On Tue, 12/8/09, Al Lorona alor...@sbcglobal.net wrote:
What other semiconductor (or vacuum tube,
for that matter) has lasted that long?
Interesting... not the K3 stuff I didn't read that...I was referring to the
bashing of WX reports from PSK ops. (I'm not one of them, just an observation)
And no weather reports, por favor. If I have a computer to use psk, chances
are it’s connected to the internet and I can find out more
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Dick and All,
Buy.com has frequently run specials on a pigtail type power
strip. In fact, they had one just in the last day or so,
but they sold out fast. They were Phillips brand, and I
bought a couple a while back. The recent ad had them for
only $7, and they had 5 pigtails. Guess
Good points.
Mike
elelist984 wrote:
Hi Guys,
Please be careful about selecting budget outlet strips. I know our
conditions are not identical with those in the U.S., but there have
been a number of fires down here caused by cheap outlet strips.
Insufficiently heavy wiring on cheap
Hi guys,
I think one needs to be careful about using el cheapo outlet strips. I
know conditions down here are different from the U.S., but our fire
chief has warned of fires cause by these items.
Undersized wiring in some is a concern and more importantly the ingress
of dust through the
I may be missing something here... but what would be the problem with taking
the
nice 25 buck outlet strip, and adding a hefty MOV... and making it a surge
arresting strip too?
--... ..---
Dale - WC7S in Wy
Date: Tue, 8 Dec 2009 18:17:32 -0500
From: n...@nf4l.com
To:
Thanks for the replies. More are welcome.
I've been searching on the internet some and found a strip designed for wall
warts. The Furman Pluglock comes from a power conditioning company geared
towards musicians. ~$50 list/$30 Amazon. It has 5 outlets, each with a
device to clamp the wall
On Dec 8, 2009, at 4:30 PM, elelist984 wrote:
I think one needs to be careful about using el cheapo outlet strips. I
know conditions down here are different from the U.S., but our fire
chief has warned of fires cause by these items.
My older brother, a Captain in the USN, recently returned
Check out
www.cyberguys.com
ThenI do not have any interest in the above companyjust use them for a
lot of stuff
Lee - K0Wa
In our day and age it seems that Common Sense is in short supply. If you don't
have any Common Sense - get some Common Sense and use it. If you can't find
Even though it is OT, outlet strips are really boring. Anyone up for a
discussion on whether Einstein even knew of the concept of 1-forms or 2-forms
when he developed his general theory of relativity. Anything but outlet strips.
On Dec 8, 2009, at 6:27 PM, Lee Buller wrote:
Check out
Bet he did, one-forms at least.
Oliver
W6ODJ
On 8 Dec 2009, at 6:32 PM, Phil Hystad wrote:
Even though it is OT, outlet strips are really boring. Anyone up for a
discussion on whether Einstein even knew of the concept of 1-forms or 2-forms
when he developed his general theory of
An alternative for use with almost any power strip and wall
warts are 6 extension cords. They will allow mounting the
wall wart away from the strip where they don't block the
other outlets.
A couple years ago I picked up a half-dozen such short extension
cords at Radio Shack (p/n
During the CQWWCW contest the MicroHam keyer died. After activating the
Terminal function on the laptop, we connected the radio thru the serial
port and configured N1MM to key via de com port selected. It worked fine
during the second half of the contest. After the contest, I tried the band
map
I'm considering asking Santa for a KXR3. I don't have extra antennas
but might someday so I'm planning to get matched 2.7Khz filters for
starters just in case diversity is in my future.
Since for now I plan on only using the KXR3 for split use in CW I
thought I'd just have the standard 2.7Khz in
microHAM Keyers (CW keyer, microKEYER and microKEYER II) all
support a standard PS/2 keyboard for CW generation and 9 user
defined memories in addition to the CAT interface and other
features that vary by model.
K1EL (www.k1el.com) has an AT keyboard to CW converter chip
and a K42 CW
Question 1: AGC SLP: The manual reads wrong to me in the discussion pp 53.
Wouldn't a slope of zero keep signals from going up in volume more so than a
slope of 10? I think of a higher slope meaning faster audio increase as
signals get stronger.
Question 2: Under what conditions do you
Gang:
I'm in the process of replacing U4 on the KPA's board.
Just curious if it would hurt anything if I install a socket in this
position.
That would make it much easier to replace should I have an issue with this
IC again.
Your opinion would be greatly appreciated.
Thanks and 72:
Ken,
SLP High number = flat output for strong and weak sigs. Just give it a try
and see for yourself.
PLS: always on, it suppresses the AGC reaction to short pulses.
Never turned it off here. A lot has been written about this subject.
See: www.sherweng.com, presentation about: DSP Radios - Not
Al Lorona wrote:
And yet, the lowly 1N34 germanium diode is still going strong. Why is this
notable? I have a 1953 QST article of an antenna tuner designed by George
Grammer which used a 1N34 in its circuit. That was almost *60 years ago* but
you can still buy 1N34s at your local
74 matches
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