They did, not just not what like and when
On 11/5/07 09:05, [EMAIL PROTECTED]
[EMAIL PROTECTED] sent:
If Elecraft announces a
high-performance panadaptor with external LCD display support that should
just about seal the deal ;)
--
The trees that are slow to grow bear the best fruit.
I think it does all of those (not sure about WFM though) plus RTTY / data
modes of course. But as I understand it you need to order an AM filter to
transmit AM and an FM filter to transmit FM. Not quite sure why you need
the FM filter to *transmit* FM, as FM is usually generated using a
Hello,
Why is there a difference in
audio bandwidth between the 20
and 40 meter band using PSK31.
For both bands you have to use
USB and I use the same XFIL
and AFIL!!!
Frequency for PSK31 is e.g.
7035.15 kHz or 14070.15 kHz.
Regards, 73
Peter Boereboom PA1PB
Geoff Gian,
To play devil's advocate (I'm decent in this role), if
the H-mode mixers is as simple and as effective as you
both suggest. Why hasn't it been more widely adopted?
For the most part, I've seen a couple mixers boards
and mostly references to homebrew building, but
nothing in the way
I have an N2PK VNA board set (VNA and directional coupler) that was factory
built (all SMD). All it requires is mounting in an enclosure and supplying
the RF connectors.
http://n2pk.com/index.html
Paul's design has capabilities well beyond the Ten Tec and Array Solutions
units. I have a new
100 watts vs. 200 watts. 3 dB of gain. I think it does more for the
operators ego confidence than it does for their signal.
- Keith N1AS -
- K2 5411.ssb.100 -
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Barry,
I wonder about this and the Orions that seem to be on
the second hand market so close to the initial
offering. That usually speaks of poor performance
and/or other issues (including warranty service).
Certainly any new product has the potential for having
issues, how the manufacturer
Just a quick comment on stripping/tinning of toroid leads...
I've built the Norcal40A, K1, and K2, all without tinning the
toroid leads (I do make certain that the leads are scrupulously
free of enamel). All three rigs work great. Maybe the reason I
get away without tinning the leads is that I
Terry,
Congratulations on your success, but not everyone is so fortunate,
witness to that fact is the number of toroid leads that I have to
re-strip and tin in the radios that I repair. What you are doing is
tinning the leads in-place, nothing wrong with that but one must observe
carefully
Hi Julius,
It might have something to do with Intellectual Title, but not being well
versed in such matters I could well be wrong. I have read very recently that
the H-Mode is being used in a new receiver for military use, and I know that
Rhode Schwarz use a very similar mixer in one of
- Original Message -
From: J F [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; Elecraft Discussion List
elecraft@mailman.qth.net
Sent: Friday, May 11, 2007 9:04 AM
Subject: [Elecraft] K3 versus FT2K
Barry,
I wonder about this and the Orions that seem to be on
the second hand market so
Hi Julius and Geoff and all.
Thanks again for your notes. I hope to be clear on all
of them.
I will reply to both Geoff and Julius notes and these
will match Geoff comments/questions (I hope).
--- Geoffrey Mackenzie-Kennedy
[EMAIL PROTECTED] wrote:
Hi Julius,
It might have something
Hi David
Just out of curiousity, have you experimented with receiving
loops at all?
On 160m, I pretty much have to receive on a loop, as my
vertical is very noisy in this neighborhood.
There is a tremendous wealth of info about loop antennas on
the web.
I have three loops. One tuned loop for 160m
AM i the first person to notice that the 8215 kHz IF is the same as the Yaesu
FT-1000 (and FT-102). The original FT-102 Japanese designer later designed the
FT-1000.
Why do I think Doug DeMaw, W1FB (sk) is smiling about this?
(Who commented in his review -- that the FT-102 was best receiver
Darwin, Keith wrote:
100 watts vs. 200 watts. 3 dB of gain. I think it does more for the
operators ego confidence than it does for their signal.
I believe that the 200 watt version of the FT-2000 has a class-A mode of
operation for SSB, which provides 75 watts output with much better IMD
[EMAIL PROTECTED] wrote:
AM i the first person to notice that the 8215 kHz IF is the same as
the Yaesu FT-1000 (and FT-102). The original FT-102 Japanese
designer later designed the FT-1000.
No, you're not!
One of the consequences of this is that there is a selection of INRAD
filters
[EMAIL PROTECTED] wrote:
AM i the first person to notice that the 8215 kHz IF is the same as
the Yaesu FT-1000 (and FT-102). The original FT-102 Japanese designer
later designed the FT-1000.
Why do I think Doug DeMaw, W1FB (sk) is smiling about this?
(Who commented in his review -- that
Hi Geoff,
It seems strange to me that it lingers more on the
fringes than moving into the mainstream. If it's been
around for 15 or more years, one would think something
could have been negotiated regarding any intellectual
rights.
It certainly sounds interesting based on what I've
read. 'Twould
[EMAIL PROTECTED] wrote:
AM i the first person to notice that the 8215 kHz IF is the same as the Yaesu
FT-1000 (and FT-102). The original FT-102 Japanese designer later designed the
FT-1000.
Why do I think Doug DeMaw, W1FB (sk) is smiling about this?
(Who commented in his review -- that
A real concern might be building a rig with silver
solder. From all I've heard, the benefits do not
outweigh the problems - using silver solder can
create. IMHO - I stayed away from it, and used
Kester tin/antimony/lead solder .
Fred, N3CSY
. shame won't be able to use any in my K3 kit
I sure hope Elecraft allows thier K-3 to operate on MARS frequencies.
Without this capability, I won't/can't consider owning a K-3. I am the
Air Force Region 4 MARS Director and none of the 250 members in my region
could use Elecraft without this capability.
Lee Bahr
w0vt (AFF4C)
Hi Joe,
What was explained to me was firmware/software issues,
primarily. Not being an owner, I can't say. Certainly
the TT crowd is as rabid about TT equipment as we
Elecraft are about ours ;o) I know the OMNI series is
still sought after.
I used an FT1000 and can't say that it impressed me. I
Hi Lee,
MARS capability is planned for the K3.
73,
Wayne
N6KR
[EMAIL PROTECTED] wrote:
I sure hope Elecraft allows thier K-3 to operate on MARS frequencies.
Without this capability, I won't/can't consider owning a K-3. I am
the
Air Force Region 4 MARS Director and none of the 250
Hi Lee,
This is from the FAQ page. I don't think you will have
anything to worry about.
Will the K3 operate on MARS frequencies?
The K3 may be operated outside the Amateur bands, but this
capability is prevented by firmware. We have not yet
worked out the mechanism, but we fully intend to
This is wonderful news, Wayne. I know you hinted in an earlier post this
would be considered. It is a really important feature/capability. FYI
there has been some talk about MARS having to meet stricter requirements
the old NTIA requirements but our Air Force MARS Chief has backed off of
them
Darwin, Keith wrote:
100 watts vs. 200 watts. 3 dB of gain. I think it does more for the
operators ego confidence than it does for their signal.
perhaps this might be better understood
if we look at it from the idea of
we are running qrp 5w
now for some reason you want/need
to get that
On Fri, 11 May 2007, wrote:
I sure hope Elecraft allows thier K-3 to operate on MARS frequencies.
Without this capability, I won't/can't consider owning a K-3. I am the
Air Force Region 4 MARS Director and none of the 250 members in my region
could use Elecraft without this capability.
I
Hi Gian,
The H-Mode Mixer (3 transformers) using both SD5000
and FST3125, referred to the TRIAD (W7AAZ, W4ZCB and
G3SBI) is reported in the ARRL Book EMRF Design.
Perhaps I missed these, been reading more about
antennas than Rx design, particularly if it was SDR.
Mea Culpa here...
Well, db = 10 * log(p2/p1)
5w to 200w is actually +16 dB
100w to 1000w is +10 dB
But hey, it's the thought that counts :-)
-Original Message-
From: Sam Morgan
lots of difference between
5w to 200w = 18+db
as compared to
100w to 1000w = 9+db
hope I did the math correctly ;-/
Dear All,
have been off the list for a couple of years but have been using my
K2/100 as my only rig, mainly psk31. The K3 has brought me back to
see what's going on.
Its probably a bit late to make suggestions for the K3 and anyway the
relatively minor problems I have had with the K2 and
Found this in google...
Typical MARS Frequencies, take a listen.
- MARS Member stations meet periodically in scheduled
networks on military frequencies outside of the amateur
bands. There are various types of networks and each
accomplishes a specific goal. For example, Administrative
[EMAIL PROTECTED] wrote:
I sure hope Elecraft allows thier K-3 to operate on MARS frequencies.
Without this capability, I won't/can't consider owning a K-3. I am the
Air Force Region 4 MARS Director and none of the 250 members in my region
could use Elecraft without this capability.
Lee
And more importantly, 5w to 100w is 13db. 13db is pretty close to 16dbg
(Close, as in horseshoes and Atom Bombs).
Dan
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Darwin, Keith
Sent: Friday, May 11, 2007 1:08 PM
To: Elecraft@mailman.qth.net
Subject: RE:
My very first Field Day was using the call AA4U for the CW tent. (Omni C,
upside down Bencher for the southpaw, etc.). Interesting. I wonder what else
in a call makes it MARS vs Southeast Amateur Extra?
Dan / WG4S
snip
You can
identify NAVMARCORMARS Stations by their NNNØ prefix.
Army MARS
On Fri, 2007-05-11 at 13:36 -0400, Dan Barker wrote:
My very first Field Day was using the call AA4U for the CW tent. (Omni C,
upside down Bencher for the southpaw, etc.). Interesting. I wonder what else
in a call makes it MARS vs Southeast Amateur Extra?
Actually, I think the ARMY MARS
Hi Julius,
J F [EMAIL PROTECTED] wrote:
It seems strange to me that it lingers more on the
fringes than moving into the mainstream. If it's been
around for 15 or more years, one would think something
could have been negotiated regarding any intellectual
rights.
I think that it has, but not
What I have always missed is a graphic display showing me the RX
spectrum (Panadapter) with band map information from the contest
logging software (WinTest) imposed on the spectrum. Ideally all on the
same computer screen...
vy 73 de toby
___
Thom wrote:
I remember trying to find out what frequencies the various MARS programs used
in
order to determine if I could use the K2 to checkit. My emails explained why
I
was asking.
Army Mars never answered...
AirForce Mars told me they couldn't give me the frequencies
due to security.
Indeed they did. My Navy MARS callsign used to be N0HNG.
Jozef
WB2MIc
Bob Nielsen wrote:
The MARS callsigns have changed a bit over the years. At one time
they used prefixes which are now allocated to amateur radio.
Bob, N7XY
ex- AF6SWE - Air Force Mars (~1954), N0KHM - Navy Mars (~1968)
The MARS callsigns have changed a bit over the years. At one time
they used prefixes which are now allocated to amateur radio.
All the 1x3 and 2x3 ham-call format call signs that were being used by the
military services (including but not limited to MARS calls) were abandoned in
the
Hi - I've had lots of responses to my original post - basically
configuration questions and offers to buy the KDSP2, KAT100 or the KPA100
separately - but - no one has yet to commit to buy it as a complete package
and I really, really, really don't want to disembowel my baby!
I've got the K3 on
Hi Julius,
--- J F [EMAIL PROTECTED] wrote:
Hi Gian,
The H-Mode Mixer (3 transformers) using both
SD5000
and FST3125, referred to the TRIAD (W7AAZ, W4ZCB
and
G3SBI) is reported in the ARRL Book EMRF Design.
Perhaps I missed these, been reading more about
antennas than Rx design,
With the expected wide range of ROOFING, and GC
filters to be offered for the K3 - how many filter
spots are available, to physically install filters
into the K3? Can we have a GC, ROOFING CW, ROOFING
FM, and ROOFING SSB - or GC/SSB/CW/FM filters
all concurrently installed somewhere inside the
I have not seen anyone ask yet for the way the frequency changes when
switching from SSB to CW to be changed. I want to be able to call CQ on SSB,
hear a weak station calling on CW and switch to CW to return the call
without having to retune. This is a fairly common scenario when using the K2
for
On May 11, 2007, at 5:37 AM, J F wrote:
Geoff Gian,
To play devil's advocate (I'm decent in this role), if
the H-mode mixers is as simple and as effective as you
both suggest. Why hasn't it been more widely adopted?
And just to confuse things even more, what about the Tayloe mixer?
73 de
With the expected wide range of ROOFING, FM, and GC
filters to be offered for the K3 - how many filter
spots are available, to physically install filters
into the K3? Can we have a GC, ROOFING CW, ROOFING
FM, and ROOFING SSB - or GC/SSB/CW/FM filters
all concurrently installed somewhere inside
Fred,
Each receiver has 5 crystal IF filter slots. When
shipped, a 2.7 kHz filter is included, leaving 4 more
slots available. This includes the main receiver and the
optional subreceiver as they are of the same design.
These IF crystal filters are not mode dependent...meaning
you can
On May 11, 2007, at 8:25 AM, Joseph Trombino Jr wrote:
Compare the Orion receiver specs against the IC7800 and the FT9000
on the Sherwood web site and see what I am talking aboutthe K2
doesn't do too band either (bigger grin).
I have applied to the ARRL for an ETP (Education
On May 11, 2007, at 8:48 AM, Robert Tellefsen wrote:
which is aimed at New York. Info on the Flag loop can be
found at http://www.angelfire.com/md/k3ky/page37.html
The links on the page seem to be stale.
73 de Brian, WB6RQN
Brian Lloyd - brian HYPHEN wb6rqn AT lloyd DOT com
On May 11, 2007, at 9:57 AM, Sam Morgan wrote:
lots of difference between
5w to 200w = 18+db
16dB
5x2=10 (+3dB)
10x2=20 (+3dB)
20x10=200 (+10dB)
as compared to
100w to 1000w = 9+db
10dB
x2 = 3dB
x2.5 = 4dB
x4 = 6dB
x5 = 7dB
x8 = 9dB
x10 = 10dB
If you know that x2 = 3dB and x10 = 10dB
In a message dated 5/11/07 12:57:55 PM Eastern Daylight Time,
[EMAIL PROTECTED] writes:
Darwin, Keith wrote:
100 watts vs. 200 watts. 3 dB of gain. I think it does more for the
operators ego confidence than it does for their signal.
Sometimes, that's enough.
However, there's another
John, myself and somebody else requested this feature specifically for
VHF/UHF work. (This SSB CW SSB scenario is also very common on 6M, not
just microwave bands.) I was told that they would put it on the firmware
request list. I was assured that there is nothing in the K3's hardware
You are right on both. I have missed HamRadio .. it
died when it was sold to 73 ... a no technology
booklet...
Hey! I resent that! I wrote the Packet Talk column for 73 around
1988/1989. I tried to ensure that it had some useful technical content!
(Just kidding. No offense taken. :-)
73 de
...
You are right on both. I have missed HamRadio .. it
died when it was sold to 73 ... a no technology
booklet...
If memory serves, sometime after Jim Fisk's death, Ham Radio was
obtained by CQ Communications and became the basis of Communications
Quarterly. More recently, I believe, what
You aree correct. It was NOT sold to Waynes Green's 73 Magazine.
73! Ken Kopp - K0PP
[EMAIL PROTECTED]
K2 S/N 5665
K3
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Selling mint KPA100/KAT100-1, expertly built by
KD5NDB, Don Brown (see Builders for Hire list), in an
EC-2 case, + all cables needed for hookup to your K2 -
$635 (shipped CONUS) (less than the cost of the kits).
Selling to underwrite - you guessed it, a K3! ;)
72/73 de
N1CVX, Bob Brown
WB6QRN wrote:
And just to confuse things even more, what about the Tayloe mixer?
I don't know about the H-mode mixer, but the Tayloe mixer has been patented
by Motorola.
Product detector and method therefor was filed in 1998 and granted in 2001
as US patent 6,230,000. See
Interesting to see some old Navy Mars call signs. Been a long time...
Doug - K0DXV - Ex-Navy Mars N0EOC
Bob Nielsen wrote:
The MARS callsigns have changed a bit over the years. At one time
they used prefixes which are now allocated to amateur radio.
Bob, N7XY
ex- AF6SWE - Air Force Mars
Interesting to see some old Navy Mars call signs. Been a long time...
Doug - K0DXV - Ex-Navy Mars N0EOC
You can work a few tomorrow (Saturday, May 12):
http://www.w4ap.org/documents/ARMED_FORCES_DAY__2007_1.pdf
John Harper AE5X
http://www.ae5x.com
On May 11, 2007, at 6:04 PM, Sverre Holm wrote:
WB6QRN wrote:
And just to confuse things even more, what about the Tayloe mixer?
I don't know about the H-mode mixer, but the Tayloe mixer has been
patented
by Motorola.
Product detector and method therefor was filed in 1998 and
granted
I have completed soldering the components for the K1 2 band filter
board, but when I performed the resistance checks, there was a
problem.
XX - U1 pin 6, U1 pin 7 230-270 ohms --- 100k
XX - U1 pin 6, U1 pin 8 230-270 ohms --- 100k
XX - U1 pin 6, U1 pin 12 230-270 ohms --- 100k
XX - U1 pin 13, P2
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