Re: [Elecraft] KX3 Opposite Sideband Null -- Follow Up

[Jim H via Elecraft]

Hi,I got several error codes on my KX3 about a year ago. I sent it back for 
repairs and upgrades as it is 0250+ s/n. Most error codes were cause by the 
defective ribbon cable between the front and rear boards. One code was a 
cracked resistor on the KXFL3. Repairs were done quick and got a complete 
retest and upgrades. Sure works better now. 73Jim H K7SSS In a message dated 
7/18/2020 9:24:19 PM Pacific Standard Time, ghyoung...@gmail.com writes: 
Six weeks or so ago, I put up a couple of posts asking if anyone had had an 
issue with opposite sideband null on their KX3.  I was having a problem getting 
a good null when FL3 was selected, although I had very deep nulls with FL2 or 
FL1.  I wasn’t motivated to check because of a perceived problem.  I had simply 
decided to rerun the null procedure on a “just because” basis, for the same 
reason any radio I own ends up on the bench periodically for a checkup and 
alignment. I didn’t get any response from the list, so I presume this isn’t 
something most have rechecked. In any case, Elecraft support suggested my 
results indicated a defective KXFL3.  After receiving and very carefully 
installing a new one, sure ’nuf.  All is fine now.  My subjective impression is 
that tuning around with narrow CW sounds “cleaner” since I have a good null on 
all bands and all filter settings. I don’t really know if the original KXFL3 
was DOA (although it was no doubt checked by Elecraft prior to shipment), if it 
suffered a random or infant failure, or if I was careless with the KXFL3 board 
while doing the initial kit build a few years ago.  Could certainly and perhaps 
most likely have been the latter. Calibration is probably worth doing once in a 
while anyway.  Components age and drift, and, no matter what, things just 
happen. And I did get excellent support from Elecraft while working through the 
problem. Grant NQ5T  
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[Elecraft] Elecraft CW Net Announcement

[kevinr]

Good Evening,

   A few days of sun helped warm things up.  Morning clouds retreat to 
the beach faster each day.  The temperature rose to 70 degrees at least 
twice.  Summer may have arrived in my corner of Oregon.  The adult gray 
jays are getting rare.  The immature crop has taken over the food 
detail.  The hummingbirds are busy too.


Two days ago it was clear until after dusk.  I walked to the south (up 
the mountain) to get a clear horizon over the trees.  I may have seen 
the comet but then the haze came in.  A long dust tail, but no head nor 
ion tail.  Tonight I may have better luck; haze will roll in but 
hopefully an hour later.  I would like a chance at a dark sky.  This 
time I am walking north into an area of thinning right next to a clear 
cut.  I should have a good view below the Big Dipper.


A few proto-sunspots appeared and vanished quickly.  The auroral oval 
has grown again, though it is still not very strong.  We are past the 
deepest part of the minimum.  Most of the tiny sunspots cropping up and 
dissipating are from cycle 25.  By next summer we should have activity.  
Propagation for next year's field day should be better too.  Hopefully 
we can get out and celebrate it again.



Please join us on (or near):

14050 kHz at 2200z Sunday (3 PM PDT Sunday)
  7047 kHz at z Monday (5 PM PDT Sunday)

   73,
  Kevin. KD5ONS


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[Elecraft] KX3 Opposite Sideband Null -- Follow Up

[Grant Youngman]

Six weeks or so ago, I put up a couple of posts asking if anyone had had an 
issue with opposite sideband null on their KX3.  I was having a problem getting 
a good null when FL3 was selected, although I had very deep nulls with FL2 or 
FL1.  I wasn’t motivated to check because of a perceived problem.  I had simply 
decided to rerun the null procedure on a “just because” basis, for the same 
reason any radio I own ends up on the bench periodically for a checkup and 
alignment. I didn’t get any response from the list, so I presume this isn’t 
something most have rechecked.

In any case, Elecraft support suggested my results indicated a defective KXFL3. 
 After receiving and very carefully installing a new one, sure ’nuf.  All is 
fine now.  My subjective impression is that tuning around with narrow CW sounds 
“cleaner” since I have a good null on all bands and all filter settings.

I don’t really know if the original KXFL3 was DOA (although it was no doubt 
checked by Elecraft prior to shipment), if it suffered a random or infant 
failure, or if I was careless with the KXFL3 board while doing the initial kit 
build a few years ago.  Could certainly and perhaps most likely have been the 
latter.

Calibration is probably worth doing once in a while anyway.  Components age and 
drift, and, no matter what, things just happen.

And I did get excellent support from Elecraft while working through the problem.

Grant NQ5T


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Re: [Elecraft] Matching resonant antennas

[K8TE]

Lyn,

How do you measure your antenna's performance?

In many cases, not necessarily yours, antenna performance seems to be based
on countries worked, achieving WAS/DXCC, "It's way better than last year's
antenna.", or "I worked Pitcarin Island last week."  None of these
"measures" are meaningful.  I am a big proponent of having a half-wave
dipole as one's "standard" antenna then using the RBN, WSPRLite, etc. to
capture same-time data on the performance of each antenna over time.

In other words, to say one's antenna works, is meaningless.  To say it works
well is also meaningless.  To say it works better than...can have some value
and perhaps even meaning.

73, Bill, K8TE



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Re: [Elecraft] KX2 list server - how to connect

[Don Wilhelm]

Phil,

There are numerous quetionx of that sort.  There is not one answer.  The 
only answer that fits all is "it all depends".


We need the specifics of the problem before a reasonable response can be 
had.


73,
Don W3FPR

On 7/18/2020 6:06 PM, Phil Hystad via Elecraft wrote:

I went and browsed around a bit.

I saw some messages posted in March about a KX1 that does not power up.  Then, 
in July there are messages with the title “KX3 doesn’t power off” or something 
like that.

Does this mean that a KX2 is either always On or always Off ?  And, would that 
occur in only April thru June?

73, phil




On Jul 18, 2020, at 2:58 PM, Howard Hoyt  wrote:

Art, all,

We have a separate group which deals exclusively with the Elecraft portable 
equipment and related issues to running QRP and portable.  You can join the 
5700 of us who discuss Elecraft KX issues by going to : 
https://groups.io/g/Elecraft-KX

We hope to see you there!

Howie / WA4PSC
elecraft...@groups.io Moderator



I miss KX2 contents in this list. I remember now that a separate list server is 
being used. How would I join that list?
Art VE9BP


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Re: [Elecraft] SS-30DV dc-power supply problem

[Drew AF2Z]

I have an SS-30DV. I don't know if this helps you, but...

In this weather, shack temp typically 80F and more, the fan is audible 
all the time, even under very light load. I'm not sure what temperature 
it turns on.


In winter, shack temp 50F, the fan is off. I don't recall hearing it run 
at all, even when I've been operating the K3/100 CW for a while; maybe 
it runs at a lower speed that I don't hear. (I'm kind of sensitive to 
fan noise; replaced the original K3 fans because they sometimes kicked 
in with a very faint rattling sound.)


Anyhow, if I were you I'd turn a hair dryer on the thing and see if the 
fans go on at all.


73,
Drew
AF2Z



On 07/18/20 20:14, R.Shanks wrote:
When I turn on this supply (SS-30DV) the fan turns on briefly then off. 
I assumed this was normal and it would turn on if the temp. increases 
etc. However the supply would turn off after a variable period of  time 
(~20 min) and then after about 10 min I was able to turn it on again!! 
Since the fan was not turning on I thought the supply was over heating 
and the over-temp. protection cct. would trip before the fan would come 
on. This is not the way it should work of course. The temp. sensing cct. 
should turn the fan on long before the over-temp cct. Oddly, at times, I 
could run for 3-4 hrs and it would not trip! My station is a Kenwood 
710GA, 50w dual band, I use VHF 90% of the time. Has anyone experienced 
this problem with this supply? I'm a retired elec/tech, if I could get a 
schematic I could trouble shoot it, the fan or fan cct is not working 
properly, this may have been the problem from the getgo hard to tell as 
it worked fine for about 8 mo.


73 Richard

VE7PNP

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[Elecraft] SS-30DV dc-power supply problem

[R.Shanks]

When I turn on this supply (SS-30DV) the fan turns on briefly then off. 
I assumed this was normal and it would turn on if the temp. increases 
etc. However the supply would turn off after a variable period of  time 
(~20 min) and then after about 10 min I was able to turn it on again!! 
Since the fan was not turning on I thought the supply was over heating 
and the over-temp. protection cct. would trip before the fan would come 
on. This is not the way it should work of course. The temp. sensing cct. 
should turn the fan on long before the over-temp cct. Oddly, at times, I 
could run for 3-4 hrs and it would not trip! My station is a Kenwood 
710GA, 50w dual band, I use VHF 90% of the time. Has anyone experienced 
this problem with this supply? I'm a retired elec/tech, if I could get a 
schematic I could trouble shoot it, the fan or fan cct is not working 
properly, this may have been the problem from the getgo hard to tell as 
it worked fine for about 8 mo.


73 Richard

VE7PNP

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Re: [Elecraft] Using Yaesu Quadra VL-1000 with K3/ ALC?

[Dean L]

Thanks for the responses.
>From what I can gather, on a K3, manually adjust power out, (set it in the
menu)
Use ALC as a backup protector.

Call it a day.

This AMP makes a KW without much drive ( nowhere near 65w in)

73
All the best
Dean
K2WW



On Fri, Jul 17, 2020, 11:26 Charlie T  wrote:

> I always felt that the ALC control into an SS amp is the amp's last resort
> to being over-driven (= damaged?).
> Yes, for normal operation, set your radio at a lower power to drive the amp
> to the desired level, which does NOT activate the ALC.
> However, if you do something "un-smart", the ALC will hopefully protect the
> amp's input.
>
> Just to make this plain, do NOT run your 100/200 watt radio at max output
> and depend on the ALC connection to cut it back.
>
> 73, Charlie k3ICH
>
>
>
>
>
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[Elecraft] K3/100/at available

[Jan]

Have for sale  K3/100/AT with 2.7 kHz and 500 Hz filters plus KIO3 
manual, hand mike, dc cord


Correspond with me, K1ND  at email ~ jjell...@emich.edu   Thanks, Jan  ~ 
stay safe ~



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Re: [Elecraft] Antenna tuners

[hawley, charles j jr]

Wasn't there a debate between Maxwell and Walter Bruene (designed the Collins 
30L1) on the conjugate match...I think Bruene disagreed with the popular notion 
of a conjugate match.

Jack BMW Motorcycles
Chuck KE9UW
c-haw...@illinois.edu

Sent from my iPad

> On Jul 18, 2020, at 3:01 PM, Gary Peterson  wrote:
> 
> You are in good company with Walter Maxwell, W2DU, now silent key.  Maxwell 
> was an engineer at RCA.  He designed the antennas on several earth orbiting 
> satellites and the antenna on the Lunar Rover.  He explained this quite 
> succinctly in his book Reflections (all three editions), by use of the 
> conjugate matching theorem.  As I recall, that chapter in his book (peer 
> reviewed by the RCA engineering department) was called My Antenna Tuner Tunes 
> My Antenna.
> 
> Gary, K0CX
> 
> But if the "tuner" is an LC network, like an adjustable L network, T network, 
> Pi network, or a linked-coupled network, then I strongly disagree.
> A tuner is a 2-port network. A transmission line is also a 2-port network. 
> Both networks obey reciprocity, meaning that what you do to one port of the 
> network will have a direct influence on the opposite end.
> That being said, if an antenna exhibits a complex impedance at our frequency 
> of interest, and that behavior can be corrected (brought to resonance) by the 
> application of a particular value of reactance at the antenna's feedpoint, 
> then that application of reactance can, for reasons of convenience, be made 
> at the "shack end" of the transmission line. As such, the "tuner" in the 
> shack is really "tuning" the antenna!
> John, KD2BD
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Re: [Elecraft] KX2 list server - how to connect

[Phil Hystad via Elecraft]

I went and browsed around a bit.

I saw some messages posted in March about a KX1 that does not power up.  Then, 
in July there are messages with the title “KX3 doesn’t power off” or something 
like that.

Does this mean that a KX2 is either always On or always Off ?  And, would that 
occur in only April thru June?

73, phil



> On Jul 18, 2020, at 2:58 PM, Howard Hoyt  wrote:
> 
> Art, all,
> 
> We have a separate group which deals exclusively with the Elecraft portable 
> equipment and related issues to running QRP and portable.  You can join the 
> 5700 of us who discuss Elecraft KX issues by going to : 
> https://groups.io/g/Elecraft-KX
> 
> We hope to see you there!
> 
> Howie / WA4PSC
> elecraft...@groups.io Moderator
> 
> 
>>> I miss KX2 contents in this list. I remember now that a separate list 
>>> server is being used. How would I join that list? 
>>> Art VE9BP
> 
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> Message delivered to phys...@mac.com

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Re: [Elecraft] KX2 list server - how to connect

[Howard Hoyt]

Art, all,

We have a separate group which deals exclusively with the Elecraft 
portable equipment and related issues to running QRP and portable.  You 
can join the 5700 of us who discuss Elecraft KX issues by going to : 
https://groups.io/g/Elecraft-KX


We hope to see you there!

Howie / WA4PSC
elecraft...@groups.io Moderator


I miss KX2 contents in this list. I remember now that a separate list server is being used. 
How would I join that list? 


Art VE9BP


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Re: [Elecraft] Antenna tuners

[Fred Jensen]

I very vaguely remember there was a different optimum length for the 
others, thanks!


73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 7/18/2020 12:25 PM, W2xj wrote:

That only applies to class A stations with protected skywave. Otherwise, 
something near 225 degrees is best.

Sent from my iPhone


On Jul 18, 2020, at 11:33, Fred Jensen  wrote:

And the Texas Bug Catcher, Webster BandSpanner, SteppIR's, et al.  All 
represent changes to the antenna itself, which would also include changing the 
height [e.g. cranking the tower up and down] and possibly cutting down nearby 
trees or metal buildings [:=).  Any change to the antenna itself or its 
near-field environment will affect the feed point complex impedance.  This 
would include adding traps, inductors, and capacitors to the antenna.

When you're done flutzing with the antenna itself, you are stuck with whatever 
complex impedance you find at the feed point.  AM broadcast verticals are 
generally engineered for coverage near the edges of the market area, meeting 
non-interference FS requirements, and minimizing self-cancellation between the 
ground and sky wave.  Something in the vicinity of 195 degrees is generally 
optimal.  They are not usually resonant and there will be fixed matching 
network(s) at the base(s) ... AM broadcast stations aren't known to QSY much.

I'm not familiar with the TurboTuner however many mechanical antenna adjusters 
operated by driving the phase angle between voltage and current to zero, that 
is effectively bringing the antenna into resonance so the feedline sees a 
resistive load. It's up to you to design the antenna so that resistive load 
matches the characteristic impedance of the feedline OR put a matching network 
between the feedline and the antenna feedpoint OR tolerate the SWR on the line 
and put the matching network in the shack.  Pick one.



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Re: [Elecraft] Matching resonant antennas

[Wes]

Walt and I corresponded quite a bit at one time.  I sent my copy of the original 
"Reflections" to him and asked him to sign it.  He sent it back with a lovely 
inscription. When Reflections II came out he sent me an unsolicited, inscribed 
copy. He was quite pained by the ARRL's repudiation of his work. Pity.


Wes  N7Ws



On 7/18/2020 11:54 AM, Lyn Norstad wrote:

M. Walter Maxwell, W2DU (SK) passed away in 2012 at the age of 93.  He was 
still active.

ARRL has a brief bio here:

http://www.arrl.org/news/walt-maxwell-w2du-sk-wrote-reflections

73
Lyn, W0LEN



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Re: [Elecraft] Cannot transmit RTTY with internal K3 sound card using MITTY

[Don Wilhelm]

Tyler,

Make sure the K3 internal soundcard is feeding enough audio into the K3 
- if you have anything plugged into the Line IN jack of the K3, remove 
it because that overrides the soundcard TX audio.


Go to my website www.w3fpr.com and scroll the left column to the last 
article.  That information will help you with setting the proper audio 
levels.


At first, you may want to turn VOX off and use PTT via CAT command, or 
enter transmit with the XMIT button while adjusting the audio levels.
After that is accomplished, you should be able to use VOX, although I 
think PTT via CAT command is better - each to his own, I know some 
disagree with me.


BTW, you can make all those adjustments with the K3 in TX TEST mode so 
you do not have any RF output to worry about.


73,
Don W3FPR

On 7/18/2020 3:44 PM, Tyler Barnett via Elecraft wrote:

Dear Reflector gurus,

Using my internal K3 soundcard, I can receive RTTY OK, but cannot transmit 
using MITTY.

I am using the internal K3 soundcard (ugraded my K3 with the K3S parts).
The MITTY Option(O) has the proper Input and Output device selected (the 
internal K3 soundcard codecs).
Asking MITTY to trasmit my callsign doesn't key the K3.
The MITTY Options > Soundcard tab has the correct Reception and Transmission 
settings (the K3 codecs).

I changed the Windows output device from the K3 internal codec to my 
headphones, and can hear MITTY transmit into my headphones.
So I'm guessing this is a K3 setting, and I'm baffled.

I have the K3 set to Data mode, with VOX on.
The DATA MD setting is AFSK A, 45 BPS.

The K3 CONFIG settings:
RS-232 set to USB
PTT-KEY set to OFF-OFF (I've tried all the settings)
AFSK TX set to FIL OFF

The MENU settings:
AFX MD is DELAY 5
MIC SEL is set to LINE IN
VOX GN is set to 000

Panel settings (lower left knob):
The Mic gain is set to LINE 25.
Vox delay set to 0.5.

On the MENU settings, I ramped up the VOX GN from 000 to 050.
Then when I transmitted with MITTY, it silenced the K3 during MITTY 
transmission, but no power generated.
The red TX LED didn't light either.


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Re: [Elecraft] Matching resonant antennas

[Roger Steyaert]

I first meet Walt and his sons at Dayton about 10 years before his 
death. Walt and his sons were/are some of the finest gentlemen that you 
could ever meet. Walt was the type of person who was friends with 
everyone he meet. It was a great loss to mankind and amateur radio when 
he became a Silent Key.


Roger Steyaert K7RXV

On 7/18/2020 2:54 PM, Lyn Norstad wrote:

M. Walter Maxwell, W2DU (SK) passed away in 2012 at the age of 93.  He was 
still active.

ARRL has a brief bio here:

http://www.arrl.org/news/walt-maxwell-w2du-sk-wrote-reflections

73
Lyn, W0LEN


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Lyn Norstad
Sent: Saturday, July 18, 2020 1:10 PM
To: 'Ted Roycraft'; 'Elecraft List Server'
Subject: Re: [Elecraft] Matching resonant antennas

The 428 page "Reflections III" from 2010 is available here in PDF format:

http://www.w3pga.org/Antenna%20Books/Reflections%20III.pdf

73
Lyn, W0LEN


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ted Roycraft
Sent: Saturday, July 18, 2020 10:22 AM
To: Elecraft List Server
Subject: Re: [Elecraft] Matching resonant antennas

Walter Maxwell’s interesting book, “Reflections”, has an in-depth
discussion on non-resonant antennas and tuners. Highly recommended.

73, Ted, W2ZK

On Sat, Jul 18, 2020 at 10:05 AM Lyn Norstad  wrote:


Exactly.

-Original Message-
From: W2xj [mailto:w...@w2xj.net]
Sent: Saturday, July 18, 2020 7:37 AM
To: l...@lnainc.com
Cc: barrylaz...@gmail.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Matching resonant antennas

What is changing is the radiation pattern. As the frequency increases the
pattern becomes more sidelobes. Some of those sidelobes are bigger than the
main lobe and they radiate  ‘somewhere’.

Sent from my iPhone


On Jul 17, 2020, at 21:19, Lyn Norstad  wrote:

Barry -

+1

I use nothing but 600 ohm OWL (True Ladder Line) and a short piece of

coax connects to a 1:1 / 4:1 hybrid balun to allow matching the impedance
perfectly with my KAT500.

The antenna is a 360' center fed EDZ (design frequency of 3.5 MHz).  The

KAT500 matches it on all bands 160 - 6m (on 15m, it bypasses).

The measured performance indicates  excellent radiation on all bands.

73
Lyn, W0LEN


-Original Message-
From: elecraft-boun...@mailman.qth.net [mailto:

elecraft-boun...@mailman.qth.net] On Behalf Of Barry LaZar

Sent: Friday, July 17, 2020 7:44 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Matching resonant antennas

Wes,

 You're correct that open wire/ladder line transmission lines are
not a panacea. But, in the average ham stations, open wire does overcome
high losses with high SWR, or not so high SWR. What is needed is a look
at the ARRL Antenna book for transmission line loss/100 ft. as a
function of SWR. You see that on 10 meters running 10:1 SWR the total
loss is around 1 db. And, as you go to the lower bands, losses become
less. Typical 400 Ohm ladder line has a loss of 0.2 db at 10 MHz and 0.6
db at 100 MHz. Using these data and a little interpolation, I would use
0.4 db on 10 meters and a 10:1 SWR for this to be 0.8 db of additional
loss for a total of about 1.2 db. Yes, I do use a balun and recommend
them so add another 0.5 db. Add another 0.5 db for a good tuner and we
end up with a total of 2.2 db. on 10 meters and less on 20 and it
decomposes to an academic exercise on 40 and down.

 Coax on 10 starts out with a higher loss/100 feet. I will use what
I use here in K3NDM, Times LMR400. That represents 0.4 at 10 MHz. and
1.4 db at 100 MHz. That will yield about 1.2 db/100 ft on 10 meters. Add
0.25 db for a 2:1 SWR and 0.5 for tuner loss and you end up with about



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Home: 

[Elecraft] K3 power up message question

[David F. Reed]

When my K3 powers up, I get a message that flashes "AMP" on the screen 
(VFO B display) first, then my programmed message; what does the "AMP" 
tell me?


I note further when I turn on my KPA1500, my k3 tells me KPA500 (I guess 
I cannot update that?); when I switch the KPA1500 from STBY to OPER, it 
says OPERATE.


So, why would it tell me AMP on power up (even with the amp disconnected 
and powered off)?


And, is there a way to get it to report KPA1500 instead of KPA500?

Thanks all & 73

de Dave, W5SV

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[Elecraft] Antenna tuners

[Gary Peterson]

You are in good company with Walter Maxwell, W2DU, now silent key.  Maxwell was 
an engineer at RCA.  He designed the antennas on several earth orbiting 
satellites and the antenna on the Lunar Rover.  He explained this quite 
succinctly in his book Reflections (all three editions), by use of the 
conjugate matching theorem.  As I recall, that chapter in his book (peer 
reviewed by the RCA engineering department) was called My Antenna Tuner Tunes 
My Antenna.

Gary, K0CX

But if the "tuner" is an LC network, like an adjustable L network, T network, 
Pi network, or a linked-coupled network, then I strongly disagree.
A tuner is a 2-port network. A transmission line is also a 2-port network. Both 
networks obey reciprocity, meaning that what you do to one port of the network 
will have a direct influence on the opposite end.
That being said, if an antenna exhibits a complex impedance at our frequency of 
interest, and that behavior can be corrected (brought to resonance) by the 
application of a particular value of reactance at the antenna's feedpoint, then 
that application of reactance can, for reasons of convenience, be made at the 
"shack end" of the transmission line. As such, the "tuner" in the shack is 
really "tuning" the antenna!
John, KD2BD
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Re: [Elecraft] KX2 list server - how to connect

[Doug Daniels]

 Use the subscribe address below. Just send an email and state your call
sign.

Group Email Addresses

   - Post: elecraft...@groups.io
   - Subscribe: elecraft-kx+subscr...@groups.io
   - Unsubscribe: elecraft-kx+unsubscr...@groups.io
   - Group Owner: elecraft-kx+ow...@groups.io
   - Help: elecraft-kx+h...@groups.io


On Sat, Jul 18, 2020 at 3:29 PM Don Wilhelm  wrote:

> There is a Elecraft-KX list on Groups.io.  If you can search for that
> group, I think you will find it.  It covers the KX1, KX2 and KX3.
>
> If you cannot find it, email elecraft-kx+ow...@groups.io and ask how to
> subscribe.
>
> 73,
> Don W3FPR
>
> On 7/18/2020 1:37 PM, Arthur Gunn wrote:
> > I miss KX2 contents in this list. I remember now that a separate list
> server is being used. How would I join that list?
> __
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> Message delivered to k1rd...@gmail.com
>


-- 

--... ...--
Doug
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[Elecraft] Cannot transmit RTTY with internal K3 sound card using MITTY

[Tyler Barnett via Elecraft]

Dear Reflector gurus,

Using my internal K3 soundcard, I can receive RTTY OK, but cannot transmit 
using MITTY.

I am using the internal K3 soundcard (ugraded my K3 with the K3S parts).
The MITTY Option(O) has the proper Input and Output device selected (the 
internal K3 soundcard codecs).
Asking MITTY to trasmit my callsign doesn't key the K3.
The MITTY Options > Soundcard tab has the correct Reception and Transmission 
settings (the K3 codecs).

I changed the Windows output device from the K3 internal codec to my 
headphones, and can hear MITTY transmit into my headphones.
So I'm guessing this is a K3 setting, and I'm baffled.

I have the K3 set to Data mode, with VOX on.
The DATA MD setting is AFSK A, 45 BPS.

The K3 CONFIG settings:
   RS-232 set to USB
   PTT-KEY set to OFF-OFF (I've tried all the settings)
   AFSK TX set to FIL OFF

The MENU settings:
   AFX MD is DELAY 5
   MIC SEL is set to LINE IN
   VOX GN is set to 000

Panel settings (lower left knob):
   The Mic gain is set to LINE 25.
   Vox delay set to 0.5.

On the MENU settings, I ramped up the VOX GN from 000 to 050.
Then when I transmitted with MITTY, it silenced the K3 during MITTY 
transmission, but no power generated.
The red TX LED didn't light either.

If anyone has suggestions, I'd appreciate it.

Thanks, Tyler N4TY


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Re: [Elecraft] KX2 list server - how to connect

[Don Wilhelm]

There is a Elecraft-KX list on Groups.io.  If you can search for that 
group, I think you will find it.  It covers the KX1, KX2 and KX3.


If you cannot find it, email elecraft-kx+ow...@groups.io and ask how to 
subscribe.


73,
Don W3FPR

On 7/18/2020 1:37 PM, Arthur Gunn wrote:

I miss KX2 contents in this list. I remember now that a separate list server is 
being used. How would I join that list?

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Re: [Elecraft] Antenna tuners

[W2xj]

That only applies to class A stations with protected skywave. Otherwise, 
something near 225 degrees is best. 

Sent from my iPhone

> On Jul 18, 2020, at 11:33, Fred Jensen  wrote:
> 
> And the Texas Bug Catcher, Webster BandSpanner, SteppIR's, et al.  All 
> represent changes to the antenna itself, which would also include changing 
> the height [e.g. cranking the tower up and down] and possibly cutting down 
> nearby trees or metal buildings [:=).  Any change to the antenna itself or 
> its near-field environment will affect the feed point complex impedance.  
> This would include adding traps, inductors, and capacitors to the antenna.
> 
> When you're done flutzing with the antenna itself, you are stuck with 
> whatever complex impedance you find at the feed point.  AM broadcast 
> verticals are generally engineered for coverage near the edges of the market 
> area, meeting non-interference FS requirements, and minimizing 
> self-cancellation between the ground and sky wave.  Something in the vicinity 
> of 195 degrees is generally optimal.  They are not usually resonant and there 
> will be fixed matching network(s) at the base(s) ... AM broadcast stations 
> aren't known to QSY much.
> 
> I'm not familiar with the TurboTuner however many mechanical antenna 
> adjusters operated by driving the phase angle between voltage and current to 
> zero, that is effectively bringing the antenna into resonance so the feedline 
> sees a resistive load. It's up to you to design the antenna so that resistive 
> load matches the characteristic impedance of the feedline OR put a matching 
> network between the feedline and the antenna feedpoint OR tolerate the SWR on 
> the line and put the matching network in the shack.  Pick one.
> 
> 73,
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
> 
>> On 7/17/2020 9:44 PM, Rick NK7I wrote:
>> Save one; the screwdriver antenna on my truck is tuned (coil adjusted) by 
>> the TurboTuner attached to my radio until a match is found.
>> 
>> And an argument could be made that a SteppIR controller performs a similar 
>> function.
>> 
>> The rest are matching circuits to compensate for the disparity of input to 
>> output.  
>> 
>> 73,
>> Rick NK7I
>> 
>> Email spiel Czech corruptions happen
>> 
 On Jul 17, 2020, at 7:00 PM, Fred Jensen  wrote:
>>> 
>>> No antenna has, at any time, anywhere in any of our lifetimes, been 
>>> "tuned" by an "antenna tuner."  So called antenna tuners are 2-port 
>>> impedance matching networks ... all of them ... and their

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Re: [Elecraft] Matching resonant antennas

[Lyn Norstad]

M. Walter Maxwell, W2DU (SK) passed away in 2012 at the age of 93.  He was 
still active.

ARRL has a brief bio here: 

http://www.arrl.org/news/walt-maxwell-w2du-sk-wrote-reflections

73
Lyn, W0LEN


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Lyn Norstad
Sent: Saturday, July 18, 2020 1:10 PM
To: 'Ted Roycraft'; 'Elecraft List Server'
Subject: Re: [Elecraft] Matching resonant antennas

The 428 page "Reflections III" from 2010 is available here in PDF format:

http://www.w3pga.org/Antenna%20Books/Reflections%20III.pdf

73
Lyn, W0LEN


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ted Roycraft
Sent: Saturday, July 18, 2020 10:22 AM
To: Elecraft List Server
Subject: Re: [Elecraft] Matching resonant antennas

Walter Maxwell’s interesting book, “Reflections”, has an in-depth
discussion on non-resonant antennas and tuners. Highly recommended.

73, Ted, W2ZK

On Sat, Jul 18, 2020 at 10:05 AM Lyn Norstad  wrote:

> Exactly.
>
> -Original Message-
> From: W2xj [mailto:w...@w2xj.net]
> Sent: Saturday, July 18, 2020 7:37 AM
> To: l...@lnainc.com
> Cc: barrylaz...@gmail.com; elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Matching resonant antennas
>
> What is changing is the radiation pattern. As the frequency increases the
> pattern becomes more sidelobes. Some of those sidelobes are bigger than the
> main lobe and they radiate  ‘somewhere’.
>
> Sent from my iPhone
>
> > On Jul 17, 2020, at 21:19, Lyn Norstad  wrote:
> >
> > Barry -
> >
> > +1
> >
> > I use nothing but 600 ohm OWL (True Ladder Line) and a short piece of
> coax connects to a 1:1 / 4:1 hybrid balun to allow matching the impedance
> perfectly with my KAT500.
> >
> > The antenna is a 360' center fed EDZ (design frequency of 3.5 MHz).  The
> KAT500 matches it on all bands 160 - 6m (on 15m, it bypasses).
> >
> > The measured performance indicates  excellent radiation on all bands.
> >
> > 73
> > Lyn, W0LEN
> >
> >
> > -Original Message-
> > From: elecraft-boun...@mailman.qth.net [mailto:
> elecraft-boun...@mailman.qth.net] On Behalf Of Barry LaZar
> > Sent: Friday, July 17, 2020 7:44 PM
> > To: elecraft@mailman.qth.net
> > Subject: Re: [Elecraft] Matching resonant antennas
> >
> > Wes,
> >
> > You're correct that open wire/ladder line transmission lines are
> > not a panacea. But, in the average ham stations, open wire does overcome
> > high losses with high SWR, or not so high SWR. What is needed is a look
> > at the ARRL Antenna book for transmission line loss/100 ft. as a
> > function of SWR. You see that on 10 meters running 10:1 SWR the total
> > loss is around 1 db. And, as you go to the lower bands, losses become
> > less. Typical 400 Ohm ladder line has a loss of 0.2 db at 10 MHz and 0.6
> > db at 100 MHz. Using these data and a little interpolation, I would use
> > 0.4 db on 10 meters and a 10:1 SWR for this to be 0.8 db of additional
> > loss for a total of about 1.2 db. Yes, I do use a balun and recommend
> > them so add another 0.5 db. Add another 0.5 db for a good tuner and we
> > end up with a total of 2.2 db. on 10 meters and less on 20 and it
> > decomposes to an academic exercise on 40 and down.
> >
> > Coax on 10 starts out with a higher loss/100 feet. I will use what
> > I use here in K3NDM, Times LMR400. That represents 0.4 at 10 MHz. and
> > 1.4 db at 100 MHz. That will yield about 1.2 db/100 ft on 10 meters. Add
> > 0.25 db for a 2:1 SWR and 0.5 for tuner loss and you end up with about
> >
>
>
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Please help 

Re: [Elecraft] KX2 list server - how to connect

[turnbull]

Dear OMs and YLs,    Some of us are just so amazed and pleased with our KX2s 
that there is nothing to say other than brag.    Well technology is always 
moving and there is a lot of competition out of China but this is one beautiful 
wee radio.        Bring on the K4!!   I might even need another KPA1500 to join 
with it.     We need to see Elecraft back in production.   This virus is 
killing more than people.    I pray our friends stay with us.73 Doug EI2CNSent 
from my Samsung Galaxy smartphone.
 Original message From: Phil Hystad via Elecraft 
 Date: 18/07/2020  18:48  (GMT+00:00) To: Arthur Gunn 
 Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] 
KX2 list server - how to connect I don’t think that KX2 discussion is excluded 
from this list.> On Jul 18, 2020, at 10:37 AM, Arthur Gunn 
 wrote:> > I miss KX2 contents in this list. I remember 
now that a separate list server is being used. How would I join that list? > > 
Art VE9BP> __> 
Elecraft mailing list> Home: http://mailman.qth.net/mailman/listinfo/elecraft> 
Help: http://mailman.qth.net/mmfaq.htm> Post: mailto:Elecraft@mailman.qth.net> 
> This list hosted by: http://www.qsl.net> Please help support this email list: 
http://www.qsl.net/donate.html> Message delivered to phys...@mac.com 
__Elecraft mailing 
listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: 
http://mailman.qth.net/mmfaq.htmPost: mailto:elecr...@mailman.qth.netThis list 
hosted by: http://www.qsl.netPlease help support this email list: 
http://www.qsl.net/donate.htmlMessage delivered to turnb...@net1.ie 
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Re: [Elecraft] Matching resonant antennas

[Lyn Norstad]

The 428 page "Reflections III" from 2010 is available here in PDF format:

http://www.w3pga.org/Antenna%20Books/Reflections%20III.pdf

73
Lyn, W0LEN


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ted Roycraft
Sent: Saturday, July 18, 2020 10:22 AM
To: Elecraft List Server
Subject: Re: [Elecraft] Matching resonant antennas

Walter Maxwell’s interesting book, “Reflections”, has an in-depth
discussion on non-resonant antennas and tuners. Highly recommended.

73, Ted, W2ZK

On Sat, Jul 18, 2020 at 10:05 AM Lyn Norstad  wrote:

> Exactly.
>
> -Original Message-
> From: W2xj [mailto:w...@w2xj.net]
> Sent: Saturday, July 18, 2020 7:37 AM
> To: l...@lnainc.com
> Cc: barrylaz...@gmail.com; elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Matching resonant antennas
>
> What is changing is the radiation pattern. As the frequency increases the
> pattern becomes more sidelobes. Some of those sidelobes are bigger than the
> main lobe and they radiate  ‘somewhere’.
>
> Sent from my iPhone
>
> > On Jul 17, 2020, at 21:19, Lyn Norstad  wrote:
> >
> > Barry -
> >
> > +1
> >
> > I use nothing but 600 ohm OWL (True Ladder Line) and a short piece of
> coax connects to a 1:1 / 4:1 hybrid balun to allow matching the impedance
> perfectly with my KAT500.
> >
> > The antenna is a 360' center fed EDZ (design frequency of 3.5 MHz).  The
> KAT500 matches it on all bands 160 - 6m (on 15m, it bypasses).
> >
> > The measured performance indicates  excellent radiation on all bands.
> >
> > 73
> > Lyn, W0LEN
> >
> >
> > -Original Message-
> > From: elecraft-boun...@mailman.qth.net [mailto:
> elecraft-boun...@mailman.qth.net] On Behalf Of Barry LaZar
> > Sent: Friday, July 17, 2020 7:44 PM
> > To: elecraft@mailman.qth.net
> > Subject: Re: [Elecraft] Matching resonant antennas
> >
> > Wes,
> >
> > You're correct that open wire/ladder line transmission lines are
> > not a panacea. But, in the average ham stations, open wire does overcome
> > high losses with high SWR, or not so high SWR. What is needed is a look
> > at the ARRL Antenna book for transmission line loss/100 ft. as a
> > function of SWR. You see that on 10 meters running 10:1 SWR the total
> > loss is around 1 db. And, as you go to the lower bands, losses become
> > less. Typical 400 Ohm ladder line has a loss of 0.2 db at 10 MHz and 0.6
> > db at 100 MHz. Using these data and a little interpolation, I would use
> > 0.4 db on 10 meters and a 10:1 SWR for this to be 0.8 db of additional
> > loss for a total of about 1.2 db. Yes, I do use a balun and recommend
> > them so add another 0.5 db. Add another 0.5 db for a good tuner and we
> > end up with a total of 2.2 db. on 10 meters and less on 20 and it
> > decomposes to an academic exercise on 40 and down.
> >
> > Coax on 10 starts out with a higher loss/100 feet. I will use what
> > I use here in K3NDM, Times LMR400. That represents 0.4 at 10 MHz. and
> > 1.4 db at 100 MHz. That will yield about 1.2 db/100 ft on 10 meters. Add
> > 0.25 db for a 2:1 SWR and 0.5 for tuner loss and you end up with about
> >
>
>
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Re: [Elecraft] Looking for 2 2.8 filters

[Ted Roycraft]

Lou, Inrad still lists them on their website but I thought I heard they
were not making them anymore. It wouldn’t hurt to check with them.

https://www.inrad.net/home.php?cat=140

73, Ted, W2ZK

On Sat, Jul 18, 2020 at 1:51 PM Lou W0FK  wrote:

> Anyone?
>
>
>
> --
> Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] Looking for 2 2.8 filters

[Lou W0FK]

Anyone?



--
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Re: [Elecraft] KX2 list server - how to connect

[Phil Hystad via Elecraft]

I don’t think that KX2 discussion is excluded from this list.

> On Jul 18, 2020, at 10:37 AM, Arthur Gunn  wrote:
> 
> I miss KX2 contents in this list. I remember now that a separate list server 
> is being used. How would I join that list? 
> 
> Art VE9BP
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[Elecraft] KX2 list server - how to connect

[Arthur Gunn]

I miss KX2 contents in this list. I remember now that a separate list server is 
being used. How would I join that list? 

Art VE9BP
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Re: [Elecraft] P3 center frequency

[Fred Jensen]

This has been discussed several times before Jim.  I haven't taken the 
time to figure out the exact steps necessary to make it happen [come 
back to the original band with the center frequency offset] but it seems 
to be intrinsic to the design of the P3.


73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 7/18/2020 5:10 AM, Jim McDonald wrote:

Why doesn't the P3 always remember the same center frequency when returning
to the band?

Jim N7US



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Re: [Elecraft] xv50

[Joseph McIntire]

If the specs I gave is the correct one that is. I think it is correct due to 
the part numbers are the same.  Just the 68-88 MHz through me off a little.

Joe AB3JN

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: elecraft-boun...@mailman.qth.net  on 
behalf of Joseph McIntire 
Sent: Saturday, July 18, 2020 11:57:34 AM
To: Elecraft@mailman.qth.net ; donw...@embarqmail.com 

Subject: Re: [Elecraft] xv50

Rf parts still has a limited supply of them.

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: elecraft-boun...@mailman.qth.net  on 
behalf of Joseph McIntire 
Sent: Saturday, July 18, 2020 11:44:00 AM
To: Elecraft@mailman.qth.net ; donw...@embarqmail.com 

Subject: Re: [Elecraft] xv50

Don I found  one online  same part  number  says 68-88 MHz, 30 watt, 12.5 V is 
that the correct one.

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: elecraft-boun...@mailman.qth.net  on 
behalf of Joseph McIntire 
Sent: Saturday, July 18, 2020 11:35:47 AM
To: Elecraft@mailman.qth.net ; donw...@embarqmail.com 

Subject: Re: [Elecraft] xv50

Ok thanks for the info once again  don.

Joe AB3JN

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: Don Wilhelm 
Sent: Saturday, July 18, 2020 11:34:06 AM
To: Joseph McIntire ; Elecraft@mailman.qth.net 

Subject: Re: [Elecraft] xv50

Joe,

Great that you now have the XV144 now stable.

It would appear that the power module has gone "belly up".  I don't know
if Elecraft has any left (the XV50 was discontinued), but you can check.
  Also check at RF Parts to see if you can find one.
As I recall, that power module was discontinued.

73,
Don W3FPR

On 7/18/2020 9:50 AM, Joseph McIntire wrote:

>  The question I have is on the XV50 At first it did not work 
> I found Q5 to not be biasing. So I replaced it. This kit was partially put 
> together by my father in law who purchased it before he passed. Then about 
> ten years later I decided to finish it. But any how when I went to replace Q5 
> it looked like two of the legs may have been solder bridged and shorted. 
> Maybe it as not bad. But I was already unsoldering it and had a new one so I 
> just went ahead and replaced it. Then it would turn on after that. Then in 
> the alignment I was not getting voltage at TP5 with the radio keyed. Re 
> soldered some joint I found that looked suspect and once again cleaned all 
> the flux from the board. I had voltage at TP5 for a short time. Then it went 
> away upon investigating I realized I did not have that coax selected at the 
> coax switch to go to the dummy. So I guess I transmitted into an open ended 
> coax. Probably SWR way to high. And I probably burned up the power module. 
> Looking
  fr
>   om the front of the Xverter on the third lead toward the rear I have 13 
> VDC. On the second one back I get 4.4 VDC when keying. But never get any 
> worth while at the fourth one back. All I get there is about .011  when 
> keyed. So IT looks like the power module is getting power and is being keyed 
> but I am not getting anything out of it. Just hoping for someone to tell me 
> if this is correct and maybe if I can get this part from Elecraft or not.
>
>
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Re: [Elecraft] xv50

[Joseph McIntire]

Rf parts still has a limited supply of them.

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: elecraft-boun...@mailman.qth.net  on 
behalf of Joseph McIntire 
Sent: Saturday, July 18, 2020 11:44:00 AM
To: Elecraft@mailman.qth.net ; donw...@embarqmail.com 

Subject: Re: [Elecraft] xv50

Don I found  one online  same part  number  says 68-88 MHz, 30 watt, 12.5 V is 
that the correct one.

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: elecraft-boun...@mailman.qth.net  on 
behalf of Joseph McIntire 
Sent: Saturday, July 18, 2020 11:35:47 AM
To: Elecraft@mailman.qth.net ; donw...@embarqmail.com 

Subject: Re: [Elecraft] xv50

Ok thanks for the info once again  don.

Joe AB3JN

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: Don Wilhelm 
Sent: Saturday, July 18, 2020 11:34:06 AM
To: Joseph McIntire ; Elecraft@mailman.qth.net 

Subject: Re: [Elecraft] xv50

Joe,

Great that you now have the XV144 now stable.

It would appear that the power module has gone "belly up".  I don't know
if Elecraft has any left (the XV50 was discontinued), but you can check.
  Also check at RF Parts to see if you can find one.
As I recall, that power module was discontinued.

73,
Don W3FPR

On 7/18/2020 9:50 AM, Joseph McIntire wrote:

>  The question I have is on the XV50 At first it did not work 
> I found Q5 to not be biasing. So I replaced it. This kit was partially put 
> together by my father in law who purchased it before he passed. Then about 
> ten years later I decided to finish it. But any how when I went to replace Q5 
> it looked like two of the legs may have been solder bridged and shorted. 
> Maybe it as not bad. But I was already unsoldering it and had a new one so I 
> just went ahead and replaced it. Then it would turn on after that. Then in 
> the alignment I was not getting voltage at TP5 with the radio keyed. Re 
> soldered some joint I found that looked suspect and once again cleaned all 
> the flux from the board. I had voltage at TP5 for a short time. Then it went 
> away upon investigating I realized I did not have that coax selected at the 
> coax switch to go to the dummy. So I guess I transmitted into an open ended 
> coax. Probably SWR way to high. And I probably burned up the power module. 
> Looking
  fr
>   om the front of the Xverter on the third lead toward the rear I have 13 
> VDC. On the second one back I get 4.4 VDC when keying. But never get any 
> worth while at the fourth one back. All I get there is about .011  when 
> keyed. So IT looks like the power module is getting power and is being keyed 
> but I am not getting anything out of it. Just hoping for someone to tell me 
> if this is correct and maybe if I can get this part from Elecraft or not.
>
>
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Re: [Elecraft] xv50

[Joseph McIntire]

Don I found  one online  same part  number  says 68-88 MHz, 30 watt, 12.5 V is 
that the correct one.

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: elecraft-boun...@mailman.qth.net  on 
behalf of Joseph McIntire 
Sent: Saturday, July 18, 2020 11:35:47 AM
To: Elecraft@mailman.qth.net ; donw...@embarqmail.com 

Subject: Re: [Elecraft] xv50

Ok thanks for the info once again  don.

Joe AB3JN

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: Don Wilhelm 
Sent: Saturday, July 18, 2020 11:34:06 AM
To: Joseph McIntire ; Elecraft@mailman.qth.net 

Subject: Re: [Elecraft] xv50

Joe,

Great that you now have the XV144 now stable.

It would appear that the power module has gone "belly up".  I don't know
if Elecraft has any left (the XV50 was discontinued), but you can check.
  Also check at RF Parts to see if you can find one.
As I recall, that power module was discontinued.

73,
Don W3FPR

On 7/18/2020 9:50 AM, Joseph McIntire wrote:

>  The question I have is on the XV50 At first it did not work 
> I found Q5 to not be biasing. So I replaced it. This kit was partially put 
> together by my father in law who purchased it before he passed. Then about 
> ten years later I decided to finish it. But any how when I went to replace Q5 
> it looked like two of the legs may have been solder bridged and shorted. 
> Maybe it as not bad. But I was already unsoldering it and had a new one so I 
> just went ahead and replaced it. Then it would turn on after that. Then in 
> the alignment I was not getting voltage at TP5 with the radio keyed. Re 
> soldered some joint I found that looked suspect and once again cleaned all 
> the flux from the board. I had voltage at TP5 for a short time. Then it went 
> away upon investigating I realized I did not have that coax selected at the 
> coax switch to go to the dummy. So I guess I transmitted into an open ended 
> coax. Probably SWR way to high. And I probably burned up the power module. 
> Looking
  fr
>   om the front of the Xverter on the third lead toward the rear I have 13 
> VDC. On the second one back I get 4.4 VDC when keying. But never get any 
> worth while at the fourth one back. All I get there is about .011  when 
> keyed. So IT looks like the power module is getting power and is being keyed 
> but I am not getting anything out of it. Just hoping for someone to tell me 
> if this is correct and maybe if I can get this part from Elecraft or not.
>
>
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Re: [Elecraft] xv50

[Joseph McIntire]

Ok thanks for the info once again  don.

Joe AB3JN

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android


From: Don Wilhelm 
Sent: Saturday, July 18, 2020 11:34:06 AM
To: Joseph McIntire ; Elecraft@mailman.qth.net 

Subject: Re: [Elecraft] xv50

Joe,

Great that you now have the XV144 now stable.

It would appear that the power module has gone "belly up".  I don't know
if Elecraft has any left (the XV50 was discontinued), but you can check.
  Also check at RF Parts to see if you can find one.
As I recall, that power module was discontinued.

73,
Don W3FPR

On 7/18/2020 9:50 AM, Joseph McIntire wrote:

>  The question I have is on the XV50 At first it did not work 
> I found Q5 to not be biasing. So I replaced it. This kit was partially put 
> together by my father in law who purchased it before he passed. Then about 
> ten years later I decided to finish it. But any how when I went to replace Q5 
> it looked like two of the legs may have been solder bridged and shorted. 
> Maybe it as not bad. But I was already unsoldering it and had a new one so I 
> just went ahead and replaced it. Then it would turn on after that. Then in 
> the alignment I was not getting voltage at TP5 with the radio keyed. Re 
> soldered some joint I found that looked suspect and once again cleaned all 
> the flux from the board. I had voltage at TP5 for a short time. Then it went 
> away upon investigating I realized I did not have that coax selected at the 
> coax switch to go to the dummy. So I guess I transmitted into an open ended 
> coax. Probably SWR way to high. And I probably burned up the power module. 
> Looking
  fr
>   om the front of the Xverter on the third lead toward the rear I have 13 
> VDC. On the second one back I get 4.4 VDC when keying. But never get any 
> worth while at the fourth one back. All I get there is about .011  when 
> keyed. So IT looks like the power module is getting power and is being keyed 
> but I am not getting anything out of it. Just hoping for someone to tell me 
> if this is correct and maybe if I can get this part from Elecraft or not.
>
>
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Re: [Elecraft] xv50

[Don Wilhelm]

Joe,

Great that you now have the XV144 now stable.

It would appear that the power module has gone "belly up".  I don't know 
if Elecraft has any left (the XV50 was discontinued), but you can check. 
 Also check at RF Parts to see if you can find one.

As I recall, that power module was discontinued.

73,
Don W3FPR

On 7/18/2020 9:50 AM, Joseph McIntire wrote:


 The question I have is on the XV50 At first it did not work I 
found Q5 to not be biasing. So I replaced it. This kit was partially put 
together by my father in law who purchased it before he passed. Then about ten 
years later I decided to finish it. But any how when I went to replace Q5 it 
looked like two of the legs may have been solder bridged and shorted. Maybe it 
as not bad. But I was already unsoldering it and had a new one so I just went 
ahead and replaced it. Then it would turn on after that. Then in the alignment 
I was not getting voltage at TP5 with the radio keyed. Re soldered some joint I 
found that looked suspect and once again cleaned all the flux from the board. I 
had voltage at TP5 for a short time. Then it went away upon investigating I 
realized I did not have that coax selected at the coax switch to go to the 
dummy. So I guess I transmitted into an open ended coax. Probably SWR way to 
high. And I probably burned up the power module. Looking

 fr

  om the front of the Xverter on the third lead toward the rear I have 13 VDC. 
On the second one back I get 4.4 VDC when keying. But never get any worth while 
at the fourth one back. All I get there is about .011  when keyed. So IT looks 
like the power module is getting power and is being keyed but I am not getting 
anything out of it. Just hoping for someone to tell me if this is correct and 
maybe if I can get this part from Elecraft or not.



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Re: [Elecraft] Antenna tuners

[Fred Jensen]

And the Texas Bug Catcher, Webster BandSpanner, SteppIR's, et al.  All 
represent changes to the antenna itself, which would also include 
changing the height [e.g. cranking the tower up and down] and possibly 
cutting down nearby trees or metal buildings [:=).  Any change to the 
antenna itself or its near-field environment will affect the feed point 
complex impedance.  This would include adding traps, inductors, and 
capacitors to the antenna.


When you're done flutzing with the antenna itself, you are stuck with 
whatever complex impedance you find at the feed point.  AM broadcast 
verticals are generally engineered for coverage near the edges of the 
market area, meeting non-interference FS requirements, and minimizing 
self-cancellation between the ground and sky wave.  Something in the 
vicinity of 195 degrees is generally optimal.  They are not usually 
resonant and there will be fixed matching network(s) at the base(s) ... 
AM broadcast stations aren't known to QSY much.


I'm not familiar with the TurboTuner however many mechanical antenna 
adjusters operated by driving the phase angle between voltage and 
current to zero, that is effectively bringing the antenna into resonance 
so the feedline sees a resistive load. It's up to you to design the 
antenna so that resistive load matches the characteristic impedance of 
the feedline OR put a matching network between the feedline and the 
antenna feedpoint OR tolerate the SWR on the line and put the matching 
network in the shack.  Pick one.


73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 7/17/2020 9:44 PM, Rick NK7I wrote:

Save one; the screwdriver antenna on my truck is tuned (coil adjusted) by the 
TurboTuner attached to my radio until a match is found.

And an argument could be made that a SteppIR controller performs a similar 
function.

The rest are matching circuits to compensate for the disparity of input to 
output.  

73,
Rick NK7I

Email spiel Czech corruptions happen


On Jul 17, 2020, at 7:00 PM, Fred Jensen  wrote:

No antenna has, at any time, anywhere in any of our lifetimes, been "tuned" by an "antenna 
tuner."  So called antenna tuners are 2-port impedance matching networks ... all of them ... and their 
job is to match the impedance on one port to another impedance on the second port, period.  Nothing gets 
"tuned."  They come in a variety of flavors ... a pair of push-pull 807's with a resonant tank and 
a link feed to the antenna on open wire line is one.  Everything that happens on the feed line [regardless of 
it's construction] is the sole result of the complex impedance at the antenna feed point and the 
characteristic impedance of the feedline.  No magic.

73,
Fred ["Skip"] K6DGW
"Captain Obvious"
Sparks NV DM09dn
Washoe County


On 7/17/2020 5:14 PM, Ken Roberson via Elecraft wrote:
  Kurt,
We are not tuning the antenna , we are matching the antenna to the coax at the 
base of the antenna.
73 Ken K5DNL

 On Friday, July 17, 2020, 7:10:32 PM CDT, Kurt Pawlikowski 
 wrote:
 Ken: In some respects, a "matching device" at the base of the antenna is a 
tuner! {'-) It accomplishes the same function... {'-) k WB9FMC
On 7/17/2020 6:34 PM, Ken Roberson via Elecraft wrote:
 Antenna tuners

I never use an antenna tuner , on the MF and LF bands realmen use a scopematch 
at the

Output of the Power Amp and a matching device at the base ofthe vertical 
antenna – HI Hi.

73 Ken K5DNL


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Re: [Elecraft] Matching resonant antennas

[Ted Roycraft]

Walter Maxwell’s interesting book, “Reflections”, has an in-depth
discussion on non-resonant antennas and tuners. Highly recommended.

73, Ted, W2ZK

On Sat, Jul 18, 2020 at 10:05 AM Lyn Norstad  wrote:

> Exactly.
>
> -Original Message-
> From: W2xj [mailto:w...@w2xj.net]
> Sent: Saturday, July 18, 2020 7:37 AM
> To: l...@lnainc.com
> Cc: barrylaz...@gmail.com; elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Matching resonant antennas
>
> What is changing is the radiation pattern. As the frequency increases the
> pattern becomes more sidelobes. Some of those sidelobes are bigger than the
> main lobe and they radiate  ‘somewhere’.
>
> Sent from my iPhone
>
> > On Jul 17, 2020, at 21:19, Lyn Norstad  wrote:
> >
> > Barry -
> >
> > +1
> >
> > I use nothing but 600 ohm OWL (True Ladder Line) and a short piece of
> coax connects to a 1:1 / 4:1 hybrid balun to allow matching the impedance
> perfectly with my KAT500.
> >
> > The antenna is a 360' center fed EDZ (design frequency of 3.5 MHz).  The
> KAT500 matches it on all bands 160 - 6m (on 15m, it bypasses).
> >
> > The measured performance indicates  excellent radiation on all bands.
> >
> > 73
> > Lyn, W0LEN
> >
> >
> > -Original Message-
> > From: elecraft-boun...@mailman.qth.net [mailto:
> elecraft-boun...@mailman.qth.net] On Behalf Of Barry LaZar
> > Sent: Friday, July 17, 2020 7:44 PM
> > To: elecraft@mailman.qth.net
> > Subject: Re: [Elecraft] Matching resonant antennas
> >
> > Wes,
> >
> > You're correct that open wire/ladder line transmission lines are
> > not a panacea. But, in the average ham stations, open wire does overcome
> > high losses with high SWR, or not so high SWR. What is needed is a look
> > at the ARRL Antenna book for transmission line loss/100 ft. as a
> > function of SWR. You see that on 10 meters running 10:1 SWR the total
> > loss is around 1 db. And, as you go to the lower bands, losses become
> > less. Typical 400 Ohm ladder line has a loss of 0.2 db at 10 MHz and 0.6
> > db at 100 MHz. Using these data and a little interpolation, I would use
> > 0.4 db on 10 meters and a 10:1 SWR for this to be 0.8 db of additional
> > loss for a total of about 1.2 db. Yes, I do use a balun and recommend
> > them so add another 0.5 db. Add another 0.5 db for a good tuner and we
> > end up with a total of 2.2 db. on 10 meters and less on 20 and it
> > decomposes to an academic exercise on 40 and down.
> >
> > Coax on 10 starts out with a higher loss/100 feet. I will use what
> > I use here in K3NDM, Times LMR400. That represents 0.4 at 10 MHz. and
> > 1.4 db at 100 MHz. That will yield about 1.2 db/100 ft on 10 meters. Add
> > 0.25 db for a 2:1 SWR and 0.5 for tuner loss and you end up with about
> >
>
>
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[Elecraft] KX3 poping audio noise on 10 and 6M.

[oz7bq via Elecraft]

Hello all,
It has recently been possible to enjoy nice 10 an 6 M sporadic E openings.
However I experience that strong RF signals generate a poping audio noise on my 
KX3 sn 181X, when I rotate the VFO A knob.
There is no distorting noise when rotating the VFO B knob, nor when N1MM+ or 
DXLab Commander is used to software control the VFO A.

Hopefully someone can point to a way to eliminate the noise, which I guess must 
have something to do with the VFO A encoder.

Wishing all a nice DX weekend
73
OZ7BQ, Hans Joergen (Joe).


Sendt fra Mail til Windows 10

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Re: [Elecraft] P3 center frequency

[Nr4c]

Doesn’t the P3 get its frequency from the radio?

Sent from my iPhone
...nr4c. bill


> On Jul 18, 2020, at 8:12 AM, Jim McDonald  wrote:
> 
> Why doesn't the P3 always remember the same center frequency when returning
> to the band?
> 
> Jim N7US
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[Elecraft] K4 and RTTY question

[Bill Frantz]

I'm getting ready for NAQP RTTY today, and I am reminded of an 
old bug using the KY CAT command to send RTTY text. I am using 
RUMlogNG on my MacBook Pro in contest mode which uses the CAT 
interface to send and receive RTTY. (It also uses CAT with CW.)


If I try to chain output, e.g. press the function key to send my 
callsign several times, frequently the first parts of the 
chained output are dropped, as shown by the text shown in the 
VFO-B display.


This does not occur on CW, so I think the CW to Data conversion 
may be involved. The command is defined in the programmer's 
Reference as:


  KY (CW or CW-to-DATA Keying from Text;

If I chain by using a K3 memory and pressing the M1-4 button 
several times, the VFO-B display shows "CHAIN" and things appear 
to work correctly.


I will admit, that while I can check what is being sent by 
listening to the monitor tones with CW, but I can't quite be 
sure about the RTTY.


Will this problem be fixed on the K4?

73 Bill AE6JV

---
Bill Frantz| When an old person dies, a   | Periwinkle
(408)348-7900  | library burns. - Joe McGawon | 150 
Rivermead Rd #235
www.pwpconsult.com | Irish Ethnographer   | 
Peterborough, NH 03458


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Re: [Elecraft] Matching resonant antennas

[Lyn Norstad]

Exactly.

-Original Message-
From: W2xj [mailto:w...@w2xj.net] 
Sent: Saturday, July 18, 2020 7:37 AM
To: l...@lnainc.com
Cc: barrylaz...@gmail.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Matching resonant antennas

What is changing is the radiation pattern. As the frequency increases the 
pattern becomes more sidelobes. Some of those sidelobes are bigger than the 
main lobe and they radiate  ‘somewhere’. 

Sent from my iPhone

> On Jul 17, 2020, at 21:19, Lyn Norstad  wrote:
> 
> Barry -
> 
> +1
> 
> I use nothing but 600 ohm OWL (True Ladder Line) and a short piece of coax 
> connects to a 1:1 / 4:1 hybrid balun to allow matching the impedance 
> perfectly with my KAT500.
> 
> The antenna is a 360' center fed EDZ (design frequency of 3.5 MHz).  The 
> KAT500 matches it on all bands 160 - 6m (on 15m, it bypasses).
> 
> The measured performance indicates  excellent radiation on all bands.
> 
> 73
> Lyn, W0LEN
> 
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Barry LaZar
> Sent: Friday, July 17, 2020 7:44 PM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Matching resonant antennas
> 
> Wes,
> 
> You're correct that open wire/ladder line transmission lines are 
> not a panacea. But, in the average ham stations, open wire does overcome 
> high losses with high SWR, or not so high SWR. What is needed is a look 
> at the ARRL Antenna book for transmission line loss/100 ft. as a 
> function of SWR. You see that on 10 meters running 10:1 SWR the total 
> loss is around 1 db. And, as you go to the lower bands, losses become 
> less. Typical 400 Ohm ladder line has a loss of 0.2 db at 10 MHz and 0.6 
> db at 100 MHz. Using these data and a little interpolation, I would use 
> 0.4 db on 10 meters and a 10:1 SWR for this to be 0.8 db of additional 
> loss for a total of about 1.2 db. Yes, I do use a balun and recommend 
> them so add another 0.5 db. Add another 0.5 db for a good tuner and we 
> end up with a total of 2.2 db. on 10 meters and less on 20 and it 
> decomposes to an academic exercise on 40 and down.
> 
> Coax on 10 starts out with a higher loss/100 feet. I will use what 
> I use here in K3NDM, Times LMR400. That represents 0.4 at 10 MHz. and 
> 1.4 db at 100 MHz. That will yield about 1.2 db/100 ft on 10 meters. Add 
> 0.25 db for a 2:1 SWR and 0.5 for tuner loss and you end up with about 
> 


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[Elecraft] xv50

[Joseph McIntire]

Hello everyone. I just wanted to give an update and post a question. I spoke 
with don last week was working on a few xv transverters. After speaking with 
don I found the control cable from the K-3 was not fully seating in the plug 
due to screws on the plug were not in there proper place. Fixed that and 
everything started to work. But I was having some stability problems with the 
XV144 model transverter Don once again stated to check the attachment of the 
power module that it is grounded through the board where bolted to it. I also 
to some pics of the board. And for some reason when I looked at them I noticed 
all the flux I had not cleaned off the board. Never really noticed it much 
before even when looking at it through a large lighted magnifying glass. So I 
cleaned up the board. And the instructions have you putting a small washer 
between the board and the power module. So as he stated the is where the 
grounding is happening and a bad ground would affect the stability. I rep
 laced the washers with ones slightly larger to give a little more contact 
area. I believe it was Don that told me Elecraft sells or did sell A power 
module that the mounting area is thicker so there is no washers required there 
used as a spacer. But now everything is good. When I turn it on cold I will get 
about 22 watts out with 20 indicated. When I leave it on for a hour or so and 
everything is up to temp. I get about 20 watts out with 20 still indicated. So 
every thing seems to be good on the XV144 model.
The question I have is on the XV50 At first it did not work I 
found Q5 to not be biasing. So I replaced it. This kit was partially put 
together by my father in law who purchased it before he passed. Then about ten 
years later I decided to finish it. But any how when I went to replace Q5 it 
looked like two of the legs may have been solder bridged and shorted. Maybe it 
as not bad. But I was already unsoldering it and had a new one so I just went 
ahead and replaced it. Then it would turn on after that. Then in the alignment 
I was not getting voltage at TP5 with the radio keyed. Re soldered some joint I 
found that looked suspect and once again cleaned all the flux from the board. I 
had voltage at TP5 for a short time. Then it went away upon investigating I 
realized I did not have that coax selected at the coax switch to go to the 
dummy. So I guess I transmitted into an open ended coax. Probably SWR way to 
high. And I probably burned up the power module. Looking fr
 om the front of the Xverter on the third lead toward the rear I have 13 VDC. 
On the second one back I get 4.4 VDC when keying. But never get any worth while 
at the fourth one back. All I get there is about .011  when keyed. So IT looks 
like the power module is getting power and is being keyed but I am not getting 
anything out of it. Just hoping for someone to tell me if this is correct and 
maybe if I can get this part from Elecraft or not.

Joe AB3JN

Sent from Mail for Windows 10

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Re: [Elecraft] Matching resonant antennas

[W2xj]

What is changing is the radiation pattern. As the frequency increases the 
pattern becomes more sidelobes. Some of those sidelobes are bigger than the 
main lobe and they radiate  ‘somewhere’. 

Sent from my iPhone

> On Jul 17, 2020, at 21:19, Lyn Norstad  wrote:
> 
> Barry -
> 
> +1
> 
> I use nothing but 600 ohm OWL (True Ladder Line) and a short piece of coax 
> connects to a 1:1 / 4:1 hybrid balun to allow matching the impedance 
> perfectly with my KAT500.
> 
> The antenna is a 360' center fed EDZ (design frequency of 3.5 MHz).  The 
> KAT500 matches it on all bands 160 - 6m (on 15m, it bypasses).
> 
> The measured performance indicates  excellent radiation on all bands.
> 
> 73
> Lyn, W0LEN
> 
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Barry LaZar
> Sent: Friday, July 17, 2020 7:44 PM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Matching resonant antennas
> 
> Wes,
> 
> You're correct that open wire/ladder line transmission lines are 
> not a panacea. But, in the average ham stations, open wire does overcome 
> high losses with high SWR, or not so high SWR. What is needed is a look 
> at the ARRL Antenna book for transmission line loss/100 ft. as a 
> function of SWR. You see that on 10 meters running 10:1 SWR the total 
> loss is around 1 db. And, as you go to the lower bands, losses become 
> less. Typical 400 Ohm ladder line has a loss of 0.2 db at 10 MHz and 0.6 
> db at 100 MHz. Using these data and a little interpolation, I would use 
> 0.4 db on 10 meters and a 10:1 SWR for this to be 0.8 db of additional 
> loss for a total of about 1.2 db. Yes, I do use a balun and recommend 
> them so add another 0.5 db. Add another 0.5 db for a good tuner and we 
> end up with a total of 2.2 db. on 10 meters and less on 20 and it 
> decomposes to an academic exercise on 40 and down.
> 
> Coax on 10 starts out with a higher loss/100 feet. I will use what 
> I use here in K3NDM, Times LMR400. That represents 0.4 at 10 MHz. and 
> 1.4 db at 100 MHz. That will yield about 1.2 db/100 ft on 10 meters. Add 
> 0.25 db for a 2:1 SWR and 0.5 for tuner loss and you end up with about 
> 

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Re: [Elecraft] K4 in production

[N2TK via Elecraft]

I would like to comment a little about the shipment of parts. Our company is
a USA company making discrete semiconductors. We are considered essential.
So, we have been open throughout this pandemic. 
We have a packaging and test facility in the Philippines for some of our
parts. Many component manufactures use Southeast Asia for packaging and
testing. It is not just the Covid-19 that has had an immense effect on
getting parts out of that region, but also the earthquakes, especially the
one on 2/16. We have not seen any parts out of that region since the
earthquake. In June Luzon opened up again. But you just don't start shipping
parts right away. You first got to perform maintenance on the equipment, run
quals and make a preproduction run. Even though our plant turned on in June,
we don't expect any parts till the end of August, at the earliest.
And don't forget about shipping. Even your Amazon Prime shipments may take
longer these days. And that is especially apparent when importing parts.
Things don't clear customs as quickly as they used to.
So, even essential businesses are having trouble getting parts. 
We are all affected in some way with Covid-19. 
72,
N2TK, Tony

-Original Message-
From: elecraft-boun...@mailman.qth.net  On
Behalf Of Jim Brown
Sent: Thursday, July 16, 2020 4:18 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K4 in production

On 7/16/2020 10:20 AM, Tox wrote:
> The parts availability issue was supposed to have been resolved pre-covid.

To varying degrees, the whole world is affected by COVID, including
manufacturers and distributors of parts. Few are designated as essential.

73, Jim K9YC
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delivered to tony@verizon.net 

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[Elecraft] P3 center frequency

[Jim McDonald]

Why doesn't the P3 always remember the same center frequency when returning
to the band?

Jim N7US
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Re: [Elecraft] Matching resonant antennas

[Rich NE1EE]

Great answer. Thanks much for the reality check. And this summer I was told of 
the reverse beacon system, too, and I intend to see how that goes. I am just 
getting back into HF after many years hiatus due to jobs and moving, and 
started learning Morse code May 1. I intend to make my first contacts in the 
next week, stumbling as they may be ;-) Ya gotta get wet to go swimming! I am 
inclined to use the least power I need, and have been following that principle 
since the early days. I am making a small AFC feedback circuit for my TS-830 to 
be able to run its power back from the 100/220W it runs at full speed. (No, I 
am not loading it into a wheelbarrow and carting it into the hills ;-)

I have a KX2 on order, and have been assembling parts for hiking trips: 
antenna, battery, key. I spend a lot of time outdoors, and figure I might as 
well add ham to that and enjoy the best of both worlds. I expect to be on the 
air on some mountain in NH by mid Aug, if the KX2 gets here by then. I fully 
understand the delays, so not impatient. ;-) Well, maybe a little...

Found a YouTube on PSKreporter, so will check that out.

Kind regards,
Rich

On 2020-07-18 06:20:-0500, Lyn Norstad wrote:
>Rich -
>
>While I would like to be able to say that I have taken exhaustive field
>strength readings in all directions on all bands at appropriate distances,
>such is not the case ... nor will it ever be.  I base my performance
>assessment on reception reports (PSKreporter, etc.) and actual QSOs compared
>to what I would predict based on NEC pattern data along with predicted
>propagation.
>
>The bottom line is that I have WAS on 160, 80, 40, 30 and 20 meters, DXCC
>(actually 145 countries) and a host of other "awards" that just popped up in
>the normal course of having fun and hamming it up.
>And most of that was with 100 watts or less, and all of it in the 14 months
>since I put up this antenna.
>
>For me, that IS the whole picture.
>
>73
>Lyn, W0LEN
>
>-Original Message-
>From: elecraft-boun...@mailman.qth.net
>[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rich NE1EE
>Sent: Saturday, July 18, 2020 5:09 AM
>To: elecraft@mailman.qth.net
>Subject: Re: [Elecraft] Matching resonant antennas
>
>This actually surfaces a question that I am currently wondering about with
>my own system...what is measured performance here? I have a 40m EF wire
>about 20m in the air, and I wonder how effective it is at radiating. I have
>good SWR, and I get good signal reports, but wonder if that is the whole
>picture?
>
>~R~
>72/73 de Rich NE1EE
>On the banks of the Piscataqua
>
>On 2020-07-17 20:18:-0500, Lyn Norstad wrote:
>
>>The measured performance indicates  excellent radiation on all bands.
>>
>>73
>>Lyn, W0LEN

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Re: [Elecraft] Matching resonant antennas

[Lyn Norstad]

Rich -

While I would like to be able to say that I have taken exhaustive field
strength readings in all directions on all bands at appropriate distances,
such is not the case ... nor will it ever be.  I base my performance
assessment on reception reports (PSKreporter, etc.) and actual QSOs compared
to what I would predict based on NEC pattern data along with predicted
propagation.

The bottom line is that I have WAS on 160, 80, 40, 30 and 20 meters, DXCC
(actually 145 countries) and a host of other "awards" that just popped up in
the normal course of having fun and hamming it up.
And most of that was with 100 watts or less, and all of it in the 14 months
since I put up this antenna.

For me, that IS the whole picture.

73
Lyn, W0LEN

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rich NE1EE
Sent: Saturday, July 18, 2020 5:09 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Matching resonant antennas

This actually surfaces a question that I am currently wondering about with
my own system...what is measured performance here? I have a 40m EF wire
about 20m in the air, and I wonder how effective it is at radiating. I have
good SWR, and I get good signal reports, but wonder if that is the whole
picture?

~R~
72/73 de Rich NE1EE
On the banks of the Piscataqua

On 2020-07-17 20:18:-0500, Lyn Norstad wrote:

>The measured performance indicates  excellent radiation on all bands.
>
>73
>Lyn, W0LEN

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[Elecraft] WANTED ELECRAFT KTA500 Auto Tuner

[Charles Tropp]

Please direct your response off list.

-- 
73, Charles N2SO
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[Elecraft] WANTED ELECRAFT P3

[Charles Tropp]

Please direct your response off list.

-- 
73, Charles N2SO
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Re: [Elecraft] Matching resonant antennas

[Rich NE1EE]

This actually surfaces a question that I am currently wondering about with my 
own system...what is measured performance here? I have a 40m EF wire about 20m 
in the air, and I wonder how effective it is at radiating. I have good SWR, and 
I get good signal reports, but wonder if that is the whole picture?

~R~
72/73 de Rich NE1EE
On the banks of the Piscataqua

On 2020-07-17 20:18:-0500, Lyn Norstad wrote:

>The measured performance indicates  excellent radiation on all bands.
>
>73
>Lyn, W0LEN

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