Re: [Elecraft] Long wire antennas

[Ron D'Eau Claire]

A longer wire produces sharper lobes and, taken to an extreme, the pattern
breaks into multiple lobes. So it all depends upon whether the other station
is aligned with one of the lobes. 

73, Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dave Cole (NK7Z)
Sent: Wednesday, January 10, 2018 9:11 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Long wire antennas

Not sure I believe this, lets say a 40 meter dipole, and an 80 meter
dipole-- the 40 dipole works far better on 40, than the 80 meter works on
40, so not always is more wire better.

Now if you are talking long wire, and forgot to state that, I am not sure,
I'd have to get the modeling software out...

73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 01/10/2018 05:28 PM, William Levy wrote:

> COSMIC rule of antennas! The more wire the better. Always.
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Re: [Elecraft] Long wire antennas

[Ron D'Eau Claire]

Frank, you must have misread my comment. 

When end fed, ANY radiator longer than 5/8 wavelength sees the main lobe
skew toward the end opposite the feed point. That's why vertical antennas
designed for low angle radiation are limited by the 5/8 rule. For horizontal
antennas, the effect is not particularly noticeable until the antenna is
more than a full wavelength. That's how Rhombics and V-Beams develop their
directivity.

There may be a null off of the end even for the long wires I've been
involved with. I am speaking of the main lobe skewing TOWARD the end instead
of being at right angles to the wire.

73, Ron AC7AC 



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
donov...@starpower.net
Sent: Wednesday, January 10, 2018 8:40 PM
To: Elecraft Reflector
Subject: Re: [Elecraft] Long wire antennas

Ron, 


What you've come to understand is absolutely false except for the special
case of a long wire close to the ground. That special case is called a
Beverage antenna that radiates vertically polarized radiation off the ends. 


When you raise a long wire antenna more than about 0.05 wavelengths above
the ground, horizontal polarized radiation becomes dominant and the
radiation pattern always has a deep null off the ends. 


73
Frank
W3LPL 

- Original Message -

From: "Ron D'Eau Claire" 
To: "Elecraft Reflector" 
Sent: Thursday, January 11, 2018 4:08:40 AM
Subject: Re: [Elecraft] Long wire antennas 

Understand that a true "long wire" (greater than 1 wavelength) starts to be
directional off of its end (if fed at one end, that's the opposite end). 

73, Ron AC7AC 

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rich Arland
Sent: Wednesday, January 10, 2018 6:02 PM
To: William Levy; Elecraft Reflector
Subject: Re: [Elecraft] Long wire antennas 

And in a previous posting Sir William of Levy stated: 


"COSMIC rule of antennas! The more wire the better. Always." 


HearHear! Dilly, Dilly Right arm, dude 


Vy 73 es gud DX! 

Rich Arland K7SZ
Cogito ergo CQ (I think therefore, I HAM) 

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Re: [Elecraft] Long wire antennas

[Bill Frantz]

I'm not sure this is correct.

I stumbled over a 6M opening on New Years Eve. I managed a FT8 
QSO with VE2XK - FN07 (LotW verified) from California = CM97, 
using my K3 with the internal tuner at 100W into a 160M center 
fed dipole at about 36 feet. I became curious about the pattern 
with this antenna on 6M so I ran a quick cocoaNEC model. It 
shows lots of spikes with a major lobe along the length of the 
wire with about 20 degrees elevation. That lobe was well aimed 
for the contact, as my 160M dipole runs close to east/west.


73 Bill AE6JV

On 1/10/18 at 8:40 PM, donov...@starpower.net wrote:

When you raise a long wire antenna more than about 0.05 
wavelengths above the ground, horizontal polarized radiation 
becomes dominant and the radiation pattern always has a deep 
null off the ends.


---
Bill Frantz| Since the IBM Selectric, keyboards have gotten
408-356-8506   | steadily worse. Now we have touchscreen keyboards.
www.pwpconsult.com | Can we make something even worse?

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Re: [Elecraft] Long wire antennas

[donovanf]

Hi Don, 


Of course you're exactly correct. 


The peak horizontally polarized radiation with respect to the axis 
of a long wire steadily decreases from 90 degrees for a 1/2 wavelength 
or shorter wire to about 50 degrees for a 1 wavelength wire, then 
very slowly decreases to 35 degrees for 2 wavelengths, 30 degrees 
for 3 wavelengths, 25 degrees for 4 wavelengths, etc. 


As the length of the wire increases, the direction of the main lobe 
for horizontal polarization more closely approaches the direction 
of the wire but in never gets closer than 15-18 degrees from the end 
of the wire for any practical wire length. There's always a deep null 
off the end of the wire for horizontal polarization no matter how long 
the wire is. 


If a long wire antenna is carefully designed and constructed to carry a 
pure travelling wave, the angle of the main lobe does NOT change 
relative to a classic long wire antenna; however, the amplitudes of 
the successive lobes can be greatly suppressed in a very carefully 
engineered antenna. Its extremely difficult to achieve travelling 
wave performance in a long wire antenna except for a few special cases: 
- a long wire with a resistive termination connected to a 1/4 wavelength 
termination wire, 
- a terminated rhombic antenna, 
- a Beverage antenna close to the ground, and 
- a resistively terminated vertically polarized half-rhombic antenna 
(sometimes referred to as an inverted-V antenna in professional antenna 
engineering circles). 


73 
Frank 
W3LPL 

- Original Message -

From: "Don Wilhelm"  
To: elecraft@mailman.qth.net 
Sent: Thursday, January 11, 2018 5:09:04 AM 
Subject: Re: [Elecraft] Long wire antennas 

Frank and all, 

While it is true that radiation off the end of a long wire is a deep 
null, The maximum radiation will be at an angle to the wire greater 
than 1/2 wavelength (less than 90 degrees). That angle will depend on 
the length relative to wavelength. 

A look at the radiation pattern of long wires and other Traveling Wave 
antennas will reveal that fact. The rhombic antenna and V-beams use 
that characteristic for their gain and directionality. 

73, 
Don W3FPR 

On 1/10/2018 11:40 PM, donov...@starpower.net wrote: 
> Ron, 
> 
> 
> What you've come to understand is absolutely false except for the 
> special case of a long wire close to the ground. That special case 
> is called a Beverage antenna that radiates vertically polarized 
> radiation off the ends. 
> 
> 
> When you raise a long wire antenna more than about 0.05 wavelengths 
> above the ground, horizontal polarized radiation becomes dominant 
> and the radiation pattern always has a deep null off the ends. 
> 
> 
> 73 
> Frank 
> W3LPL 
> 
> - Original Message - 
> 
> From: "Ron D'Eau Claire"  
> To: "Elecraft Reflector"  
> Sent: Thursday, January 11, 2018 4:08:40 AM 
> Subject: Re: [Elecraft] Long wire antennas 
> 
> Understand that a true "long wire" (greater than 1 wavelength) starts to be 
> directional off of its end (if fed at one end, that's the opposite end). 
> 
> 73, Ron AC7AC 
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Re: [Elecraft] Long wire antennas

[Dave Cole (NK7Z)]

Not sure I believe this, lets say a 40 meter dipole, and an 80 meter 
dipole-- the 40 dipole works far better on 40, than the 80 meter works 
on 40, so not always is more wire better.


Now if you are talking long wire, and forgot to state that, I am not 
sure, I'd have to get the modeling software out...


73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 01/10/2018 05:28 PM, William Levy wrote:


COSMIC rule of antennas! The more wire the better. Always.

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Re: [Elecraft] Long wire antennas

[Don Wilhelm]

Frank and all,

While it is true that radiation off the end of a long wire is a deep 
null,  The maximum radiation will be at an angle to the wire greater 
than 1/2 wavelength (less than 90 degrees).  That angle will depend on 
the length relative to wavelength.


A look at the radiation pattern of long wires and other Traveling Wave 
antennas will reveal that fact.  The rhombic antenna and V-beams use 
that characteristic for their gain and directionality.


73,
Don W3FPR

On 1/10/2018 11:40 PM, donov...@starpower.net wrote:

Ron,


What you've come to understand is absolutely false except for the
special case of a long wire close to the ground. That special case
is called a Beverage antenna that radiates vertically polarized
radiation off the ends.


When you raise a long wire antenna more than about 0.05 wavelengths
above the ground, horizontal polarized radiation becomes dominant
and the radiation pattern always has a deep null off the ends.


73
Frank
W3LPL

- Original Message -

From: "Ron D'Eau Claire" 
To: "Elecraft Reflector" 
Sent: Thursday, January 11, 2018 4:08:40 AM
Subject: Re: [Elecraft] Long wire antennas

Understand that a true "long wire" (greater than 1 wavelength) starts to be
directional off of its end (if fed at one end, that's the opposite end).

73, Ron AC7AC

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Re: [Elecraft] Long wire antennas

[donovanf]

Ron, 


What you've come to understand is absolutely false except for the 
special case of a long wire close to the ground. That special case 
is called a Beverage antenna that radiates vertically polarized 
radiation off the ends. 


When you raise a long wire antenna more than about 0.05 wavelengths 
above the ground, horizontal polarized radiation becomes dominant 
and the radiation pattern always has a deep null off the ends. 


73 
Frank 
W3LPL 

- Original Message -

From: "Ron D'Eau Claire"  
To: "Elecraft Reflector"  
Sent: Thursday, January 11, 2018 4:08:40 AM 
Subject: Re: [Elecraft] Long wire antennas 

Understand that a true "long wire" (greater than 1 wavelength) starts to be 
directional off of its end (if fed at one end, that's the opposite end). 

73, Ron AC7AC 

-Original Message- 
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rich Arland 
Sent: Wednesday, January 10, 2018 6:02 PM 
To: William Levy; Elecraft Reflector 
Subject: Re: [Elecraft] Long wire antennas 

And in a previous posting Sir William of Levy stated: 


"COSMIC rule of antennas! The more wire the better. Always." 


HearHear! Dilly, Dilly Right arm, dude 


Vy 73 es gud DX! 

Rich Arland K7SZ 
Cogito ergo CQ (I think therefore, I HAM) 

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Re: [Elecraft] Long wire antennas

[Ron D'Eau Claire]

Understand that a true "long wire" (greater than 1 wavelength) starts to be
directional off of its end (if fed at one end, that's the opposite end).

73, Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rich Arland
Sent: Wednesday, January 10, 2018 6:02 PM
To: William Levy; Elecraft Reflector
Subject: Re: [Elecraft] Long wire antennas

And in a previous posting Sir William of Levy stated:


"COSMIC rule of antennas! The more wire the better. Always."


HearHear! Dilly, Dilly  Right arm, dude


Vy 73 es gud DX!

Rich Arland   K7SZ
Cogito ergo CQ (I think therefore, I HAM)

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Re: [Elecraft] Long wire antennas

[Rich Arland]

And in a previous posting Sir William of Levy stated:


"COSMIC rule of antennas! The more wire the better. Always."


HearHear! Dilly, Dilly  Right arm, dude


Vy 73 es gud DX!

Rich Arland   K7SZ
Cogito ergo CQ (I think therefore, I HAM)

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Re: [Elecraft] Long wire antennas

[David Gilbert]

Hope you were saying that tongue in cheek because it's patently false.

Dave   AB7E


On 1/10/2018 6:28 PM, William Levy wrote:


COSMIC rule of antennas! The more wire the better. Always.

N2WL


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[Elecraft] Long wire antennas

[William Levy]

The most important thing for a radio is a counter poise long enough for 1/4
of the frequency in use.

For many of you before you were born I was in Africa and had a 700 foot
longwire between to poles, huge sag between, L network and a 100 foot
counterpoise.

Never required much tuning on the longwire between 20/15/10 just a touch
with a cheap swr bridge to measure then back to the op position.

So I write this to say to all use as much wire as you can for the antenna
connected to your little radio and a counterpoise as long.

If your KX3 or 2 has the built in ATU so much the better.

COSMIC rule of antennas! The more wire the better. Always.

N2WL
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[Elecraft] WTB: KFL3A-2.7K SSB filter

[Rich Assarabowski]

I'm looking a 2.7 kHz SSB filter for the K3, anyone have one lying around
they're not using?

 

--- Rich K1CC

 kon...@snet.net

 

 

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Re: [Elecraft] Elecraft Hex Key worth?

[Augie "Gus" Hansen]

Other than having two paddles for iambic keying, these keys are quite 
different. The BY-1 is fragile and finicky; the Hex key is solid and 
easily adjusted. I've had both and much prefer the Hex key. However, 
both have been replaced by a Scheunemann M-Dirigent (was Schurr Profi).


    http://www.morsex.com/scheun/

73,
Gus Hansen
KB0YH

    BY-1: http://www.vibroplex.com/contents/en-us/p199.html

    Hex Key: http://www.vibroplex.com/contents/en-us/p250.html


On 1/10/2018 12:23 PM, Fred Jensen wrote:
I had a HexKey from Elecraft for quite awhile.  It was basically the 
Bencher BY-1 paddle mechanism on a hexagonal base that was somewhat 
heavier [and more stable] than the BY-1 base.  Dave, W8FGU, made me a 
cover.


A deficiency in both the BY-1 and HexKey was the contact adjustment 
screws.  The threads are fairly coarse and adjustment was very touchy 
and not readily repeatable.


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[Elecraft] For Sale: K3 Weighted Main Tuning Knob

[Dick via Elecraft]

Weighted Main Tuning knob for K3.  2 years old in like new  condx.  73CNC 
design. $65 plus shipping.  PayPal OK.  Dick- K9OM.  r...@aol.com


 
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Re: [Elecraft] New release of Win4K3Suite

[Wes Stewart]

You probably have a few years before you have to worry about it.

On 1/10/2018 2:24 PM, Wayne Michael wrote:

I recently preordered the Flex radio and I am going to miss the ease of use the 
Win4KSuite gives...


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Re: [Elecraft] New release of Win4K3Suite

[Wayne Michael]

The Win4k3Suite is the best rig control software I have found.


If your on a MAC, switch to a PC so you can use it.


Not only can I use it with HRD logs, i can connect to the CAT control on WSJT 
to the virtual com ports provided by the Win4K3Suite and keep both open.   I 
have my SDR Play connected to the software as well and WOW that makes for the 
coolest pan adapter on a PC.   I really need a second monitor to watch the 
whole waterfall while operating at my desk.   I don't do that often but during 
the RTTY round up it would have been nice...


I run almost everything remote and the few issues I did have in the beginning 
Tom helped me fix via email support and team viewer when I was too dumb to 
follow the directions exactly.


I recently preordered the Flex radio and I am going to miss the ease of use the 
Win4KSuite gives...  I am guessing I won't be able to get Tom to interface with 
the Flex-6400..But my Elecraft has no plans to leave either...


Anyways.. Endorsement over... go buy it!



From: elecraft-boun...@mailman.qth.net  on 
behalf of Tom 
Sent: Saturday, January 6, 2018 3:09 PM
To: Elecraft
Subject: [Elecraft] New release of Win4K3Suite

Hello,
There is a new release of Win4K3Suite which now offers support for the SDRPlay 
RSP1A for use as a panadapter on the K3, KX3 and KX2. This release also offers 
a few enhancements in display performance as well as ClubLog spot aging.
Win4K3Suite is the ultimate control program for your K3S, KX3 and KX2 
supporting all options as well as the KPA500, KPA1500 and KAT500 on all radios. 
It supports the P3, and allows the use of the SDRPlay as well as LPPAN as a 
panadapter.
Win4K3Suite includes virtual port technology allowing sharing of up to 6 
software programs or hardware devices with no conflicts.
You can see some videos on Win4K3Suite here:
https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.youtube.com%2Fresults%3Fsearch_query%3Dwin4k3suite=02%7C01%7C%7C7620c15ecc2b4f85212a08d55541a398%7C84df9e7fe9f640afb435%7C1%7C0%7C636508662776358693=wXF%2FY1LbxwnOQrIyX6Mcb2HGmBoP7qtyw2Khx0ZauW0%3D=0

and some reviews here: 
https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.eham.net%2Freviews%2Fdetail%2F11214=02%7C01%7C%7C7620c15ecc2b4f85212a08d55541a398%7C84df9e7fe9f640afb435%7C1%7C0%7C636508662776358693=wHRQMY3DHl%2BjpeHnbNnR5sZfbUnJDBQGo7qdGdhhCmU%3D=0

There is a ffree 30 day trial available at va2fsq.com
73 Tom

P.S. I would be interested to hear from the KPA1500 users that are using the 
software.

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[Elecraft] K2 for sale

[stan levandowski]

Please contact me off-list if interested.

For sale is my K2 (purchased pre-owned from another lister in November 
2017).  It is a K2/10 and fully optioned with 160M option, noise 
blanker, KIO2, KAT2, KAF2, KSB2.  Includes Kenwood mic MC-43S and 
Signalink USB and full complement of written documentation, including 
technical report from Don W3FPR who upgraded it to factory spec on 
August 28, 2017.



Since I only operate HF QRP CW I can't comment on the SSB or digital 
aspects but I can surely state it's a gorgeous CW rig, both 
operationally and cosmetically.



Reason for selling is simple and straightforward:  I want to buy another 
KX3 because I miss CWT and dual watch.



Asking $750 + shipping and insurance via PayPal to CONUS only..


Thanks and 73, 
Stan WB2LQF

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[Elecraft] WTB -- K2 Kit

[Gene O]

WTB K2 kit.  oops --  my email is ea...@comcast.net

Gene, W2BXR

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[Elecraft] WTB --- K2 Kit -- not built

[Gene O]

I am looking for a K2 kit that someone may have that they no longer want 
to build. Send me an email and let me know what you have.


Thanks, Gene W2BXR

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Re: [Elecraft] Elecraft Hex Key worth?

[Fred Jensen]

I had a HexKey from Elecraft for quite awhile.  It was basically the 
Bencher BY-1 paddle mechanism on a hexagonal base that was somewhat 
heavier [and more stable] than the BY-1 base.  Dave, W8FGU, made me a cover.


A deficiency in both the BY-1 and HexKey was the contact adjustment 
screws.  The threads are fairly coarse and adjustment was very touchy 
and not readily repeatable.


Old injuries and resultant arthritis in my hands was making the HexKey 
hard to use and I now use an N3ZN single-lever which has really helped.  
Additionally, the adjustment screws are 52 TPI and very easy to get 
right.  The ZN-SL is also on a much heavier base and never moves.  Dave 
made a cover for it too.


73,

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

On 1/10/2018 3:18 AM, Petr, OK1RP/M0SIS wrote:

Hi all,

just small note...

The Hex key is NOT the Mercury copy.

Bencher is making their own Mercury, N2DAN keys under license and their Hex
key is another product with a bit different concept.
  
The Hex key is simplified paddle. It is high standard paddle but not

comparable with the Mercury, N2DAN.
The fine wide range and proper adjustment of the Mercury N2DAN is completely
"different story" compare to Hex key.

http://www.vibroplex.com/contents/en-us/p206.html
http://www.vibroplex.com/contents/en-us/p250.html

2c...

Best 73 - Petr, OK1RP



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Re: [Elecraft] Elecraft Hex Key worth?

[Ron D'Eau Claire]

Hexagonal base. The shape of the base confuses mistakes so most do not make
it to the paddles thereby improving sending. It's certainly worth the >$300
to trap errors, isn't it? 

73, Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Charlie T
Sent: Tuesday, January 9, 2018 10:13 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Elecraft Hex Key worth?

A paddle keyer named  "HEX" ???

I thought you were asking about an Allen wrench.
C


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Re: [Elecraft] Elecraft KIO3B and WSJT-X

[Jim Brown]

As recently as a year ago, I was still seeing Samsung 24-in monitors 
running from nominal 14VDC supplies. I already own several, and bought 
another to have as a spare. They're 1920 x 1080.


73, Jim K9YC

On 1/9/2018 11:29 PM, Josh Fiden wrote:
It's a good idea, but too severely limiting since almost all monitors 
now run on 19V. Thus far the HP 23es is fine. I ran RTTY with it next 
to KPA500 on several bands with no issues. Final test will be pointing 
the 6m EME array at the shack and listening. The monitors look really 
good and were on sale at Best Buy for $119! 



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Re: [Elecraft] Elecraft Hex Key worth?

[Petr, OK1RP/M0SIS]

Hi all,

just small note...

The Hex key is NOT the Mercury copy. 

Bencher is making their own Mercury, N2DAN keys under license and their Hex
key is another product with a bit different concept.
 
The Hex key is simplified paddle. It is high standard paddle but not
comparable with the Mercury, N2DAN.
The fine wide range and proper adjustment of the Mercury N2DAN is completely
"different story" compare to Hex key.

http://www.vibroplex.com/contents/en-us/p206.html
http://www.vibroplex.com/contents/en-us/p250.html

2c...

Best 73 - Petr, OK1RP



-
http://ok1rp.blogspot.com
--
Sent from: http://elecraft.365791.n2.nabble.com/
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