Re: [Elecraft] KX3 tuner getting stuck at 25.4:1 SWR

[nate t]

Hi all,

I opened up the KX3 and pulled the ATU, everything seemed to be in order and 
the LPF was in the correct position. 

I put the original batteries back in to keep the testing the same as 
previously. They were a bit lower than I had previously thought, read 9V 
(alkaline). I put up a 20m dipole and tested it, 20m tuned up right away and I 
let it run for a bit. I then switched down to 40m and it tuned up right away to 
a 1.0:1. After switching back and forth between 40/30/20 a few times, I noticed 
that the relays seemed to be switching a bit slower than normal, and that the 
tuning power was going down to 2.0W instead of the normal 3.0W. 

Went to 40m again, and it started landing on the 25.4:1 SWR every try. Pulled 
up the battery monitor on the display, and while it was running the tuning 
process, the voltage was dropping down to 7.9V, and it'd stick at 25.4:1. 
Switched over to external power and it would properly tune 40m again on the 20m 
dipole without issue. 

The dummy load I ordered arrived today as well, and using new batteries, it 
will tune 1:0.1 on all bands. 

I'm going to chalk this up to being a low voltage situation, and hopefully it 
doesn't return!

I appreciate everyone's suggestions.

73


> On Apr 17, 2017, at 11:35 AM, Walter Underwood  wrote:
> 
> 25.4:1 SWR is what the KX3 reads for a short or an open, if I remember 
> correctly.
> 
> Agreed, open it up, make sure everything is tight, include the ribbon cable.
> 
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
> 
>> On Apr 17, 2017, at 11:20 AM, Don Wilhelm  wrote:
>> 
>> Nate,
>> 
>> Since the problem is intermittent, I would not suspect a problem with an 
>> active component.
>> 
>> You might want to remove the bottom cover and check to be certain the 
>> hardware on the BNC jack is tight and the LPF on the BNC connector is 
>> properly positioned.  You may have to lift the KXAT3 to check - see Figure 
>> 43 of the KX3 Kit Assembly Manual.
>> 
>> 73,
>> Don W3FPR
>> 
>> On 4/16/2017 4:55 AM, nate t wrote:
>>> Hi,
>>> I was working with my KX3 earlier today, RX only, using an endfed, while 
>>> running on batteries, RXing WSPR and PSK31.
>>> After running for a bit, the ATU seemed to stop working. Attempting to 
>>> retune on 40m, it would stick at a 25.4:1 SWR.
>>> Tried switching down to 20m and it retuned right away to a 1.3:1. Applying 
>>> external power to the unit, I tried tuning again on 40m (battery was 
>>> reporting 10V if I recall correctly); It then tuned the end fed up, but 
>>> only to a 1.7, which it will typically match to a 1.0:1, it would also get 
>>> stuck at the 25.4:1 SWR on some of the attempted tunes.
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Re: [Elecraft] K3 Remote: RRC Device drivers under Windows 10

[Gerry Hull]

Interesting.

On my Windows 7 Pro Dell Laptop, they show up with the RRC names.

On my Windows 10 VM running on a Mac (shouldn't matter), they ALSO show up
with the RRC Names.

I'm running the latest incarnation of Windows 10, but don't know if that
matters.  If you run the Microbit setup,
it should install the proprietary drivers.

73,

Gerry Hull, W1VE  Hancock, NH USA
Member: ARRL,
​RAC, ​
YCCC, YCCCN, CW Ops
ge...@w1ve.com ph: 1-617-CW-SPARK (find me)




On Wed, Apr 19, 2017 at 4:36 PM, Rick Tavan  wrote:

> On my Win 7 machine, the RemoteRig box presents three (maybe four) virtual
> COM ports that identify themselves as Microbit Virtual COM ports in the
> Device Manager Ports listing. I just set up a Win 10 machine and the
> virtual ports materialize when I plug in the RRC-1258, but they appear as
> generic ports with Microsoft drivers. I don't know how to get the Fabula
> Tech drivers to come in as replacements. Do you?
>
> Thanks,
>
> /Rick N6XI
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Re: [Elecraft] Sub Receiver & KBPF3

[Guy Olinger K2AV]

I get the "big hands in small spaces" complaint. I have very small
hands and can do some stuff that some of my friends just simply cannot
do. On the other hand there is no way I can swing a sledge hammer on a
ground rod like they can.

Ham friends that you can bribe with 807's and a backyard grill steak
dinner are very cool.

73, Guy K2AV

On Wed, Apr 19, 2017 at 4:47 PM, M. George  wrote:
> I don't see what all the consternation is about either.  Its not that big
> of a deal and I have the K3XREF (a little less room) in a K3s and a K3 and
> both radios have the sub receiver.  Fiddly???
> 
> really?
> I don't think so.  You need to consider the design!  This isn't a 60lb
> transceiver we are talking about that you can't upgrade hardly at all.
> The foot print and weight as compared to the performance can't be beat and
> the modular design is very impressive.  It's a portable radio!  For real!
> And if you want to talk PITA, try rolling a 60 lb radio around to remove
> this, that or the other.
>
> Taking out a couple of screws and gently lifting up the sub receiver and
> remove the coax connections?  Sheesh... it's like it was the end of the
> world or something.  Take a few pictures with your phone and take your time
> and RTFM!.  Its not like there is a need to remove the sub receiver on a
> weekly basis.  I swear, I think if you were to give a $20 bill to some
> folks, they would complain that you didn't give them two $10 bills. :)
>  Just take your time and install things back again and refer to your
> pictures from your phone and did I mention RTFM?.  And on another note the
> sub receiver as installed is solid and sound mechanically IMHO.
>
> Maybe if I was 99 years old and my fingers were the size of uncooked
> bratwursts and my thumbs were the size of cucumbers, then it would be
> Fiddly (and I chewed my thumb and finger nails profusely).  I say move on
> folks!  Off my soab box... it's getting Fiddly
> up
> here!
>
> Max NG7M
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Re: [Elecraft] K3 Remote: RRC Device drivers under Windows 10

[Fred Jensen]

My desktop ["The Big Computer"] runs Win10 Pro, and does exactly what 
you describe.  The 4 RRC virtual ports show up in Device Mangler, but 
are not identified as originating in the RRC box.  On the laptop [Win10 
Home], they carry the RRC label.


Since they show up sequentially on the laptop where they are identified, 
I assumed the same for the Win10 Pro machine and got N1MM working.  I 
don't know how to force Win10 Pro to replace drivers, it just tells me 
mine are up-to-date.


73,

Fred ("Skip") K6DGW
Sparks NV USA
Washoe County DM09dn

On 4/19/2017 1:36 PM, Rick Tavan wrote:
On my Win 7 machine, the RemoteRig box presents three (maybe four) 
virtual COM ports that identify themselves as Microbit Virtual COM 
ports in the Device Manager Ports listing. I just set up a Win 10 
machine and the virtual ports materialize when I plug in the RRC-1258, 
but they appear as generic ports with Microsoft drivers. I don't know 
how to get the Fabula Tech drivers to come in as replacements. Do you?


Thanks,

/Rick N6XI


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Re: [Elecraft] Sub Receiver & KBPF3

[M. George]

I don't see what all the consternation is about either.  Its not that big
of a deal and I have the K3XREF (a little less room) in a K3s and a K3 and
both radios have the sub receiver.  Fiddly???

really?
I don't think so.  You need to consider the design!  This isn't a 60lb
transceiver we are talking about that you can't upgrade hardly at all.
The foot print and weight as compared to the performance can't be beat and
the modular design is very impressive.  It's a portable radio!  For real!
And if you want to talk PITA, try rolling a 60 lb radio around to remove
this, that or the other.

Taking out a couple of screws and gently lifting up the sub receiver and
remove the coax connections?  Sheesh... it's like it was the end of the
world or something.  Take a few pictures with your phone and take your time
and RTFM!.  Its not like there is a need to remove the sub receiver on a
weekly basis.  I swear, I think if you were to give a $20 bill to some
folks, they would complain that you didn't give them two $10 bills. :)
 Just take your time and install things back again and refer to your
pictures from your phone and did I mention RTFM?.  And on another note the
sub receiver as installed is solid and sound mechanically IMHO.

Maybe if I was 99 years old and my fingers were the size of uncooked
bratwursts and my thumbs were the size of cucumbers, then it would be
Fiddly (and I chewed my thumb and finger nails profusely).  I say move on
folks!  Off my soab box... it's getting Fiddly
up
here!

Max NG7M
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[Elecraft] PX3 Wish List

[Scott Russell]

- The ability to add Center to one of the FN buttons.

- Programmable band edge indicators. Could be like the MKRA and B lines
down the display but a different color, like red. Also the ability to add
band edge to the FN buttons.

- More color options for the waterfall

Thanks,

-- 
Scott Russell, N1SER
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[Elecraft] K3 Remote: RRC Device drivers under Windows 10

[Rick Tavan]

On my Win 7 machine, the RemoteRig box presents three (maybe four) virtual COM 
ports that identify themselves as Microbit Virtual COM ports in the Device 
Manager Ports listing. I just set up a Win 10 machine and the virtual ports 
materialize when I plug in the RRC-1258, but they appear as generic ports with 
Microsoft drivers. I don't know how to get the Fabula Tech drivers to come in 
as replacements. Do you?

Thanks,

/Rick N6XI
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Re: [Elecraft] Sub Receiver & KBPF3

[Bob Novas]

Well, I guess my point is, it would be nice if it were less fiddly and more
"elegant".  A modular radio that came apart with a lot less fuss.  Plugin
boards.  It's a packaging problem.  

I love operating the radio.  I'm just not keen on maintaining it.

Bob - W3DK

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Grant
Youngman
Sent: Wednesday, April 19, 2017 4:17 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sub Receiver & KBPF3


> Messing with the sub-receiver is such a PITA that I will procrastinate 
> putting a new filter in for weeks before I gather the courage to pull 
> it apart.

I can't see spending the money for shipping and insurance, not to mention
factory charges for relatively simple work, over fear of the sub receiver. 

I've had mine in and out ( and in and out and ...) a bunch over the years
and, while it might seem fiddly without a bit of patience and due care,
never had a real issue with it.  It's always seemed to drop right in.  Had
it out a few weeks ago for the 'n'th time to put the LF receive mods in. 

Or maybe I've just had a lot of practice ? :)

Grant NQ5T
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Re: [Elecraft] Sub Receiver & KBPF3

[Grant Youngman]

> Messing with the sub-receiver is such a PITA that I will procrastinate
> putting a new filter in for weeks before I gather the courage to pull it
> apart.  

I can't see spending the money for shipping and insurance, not to mention 
factory charges for relatively simple work, over fear of the sub receiver. 

I've had mine in and out ( and in and out and ...) a bunch over the years and, 
while it might seem fiddly without a bit of patience and due care, never had a 
real issue with it.  It's always seemed to drop right in.  Had it out a few 
weeks ago for the 'n'th time to put the LF receive mods in. 

Or maybe I've just had a lot of practice ? :)

Grant NQ5T
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Re: [Elecraft] Sub Receiver & KBPF3

[Bob Novas]

Messing with the sub-receiver is such a PITA that I will procrastinate
putting a new filter in for weeks before I gather the courage to pull it
apart.  

Bob W3DK

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of George
Thornton
Sent: Wednesday, April 19, 2017 3:21 PM
To: Clay Autery; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sub Receiver & KBPF3

I have built several kits of all kinds going back to Heathkit days and I
built my own K2.

I had a lot of problems with the sub-Rx installation.  I have big hands and
could not seem to be able to see to line things up properly, not to mention
the pesky TMP connectors.

I am at the point with this where I will no longer attempt any mod that
requires removal of the Sub-Rx.  Everything goes back to the factory.

From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Clay
Autery
Sent: Wednesday, April 19, 2017 12:08 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sub Receiver & KBPF3

Funny IMO, some of the best design work I've ever seen
especially considering the package volume vs. modularity and capability.

However, I WILL confess

I now own my own TMP tool, TMP connectors, coax stock, and assorted second
end connectors in case I need/want to make one of those cables...

I have not yet needed to make a cable for my own use. But I've made a bunch
for other folks,

73,

__
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 4/18/2017 10:58 PM, Christopher Hoover wrote:
>> The TMP cables were in the way and sub-receiver box was a bit 
>> difficult getting the SUBIN and SUBOUT boards to align and mate properly.
>
> I installed mine myself too. (And I just r/r recently with the 
> addition of the gen coverage bp filters on the main board.) It is 
> certainly fiddly. The mechanical design leaves much to be desired.
>
> 73, Christopher AI6KG.
>
> On Sun, Apr 16, 2017 at 4:27 AM, wa9fvp
 wrote:
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Re: [Elecraft] Sub Receiver & KBPF3

[George Thornton]

I have built several kits of all kinds going back to Heathkit days and I built 
my own K2.

I had a lot of problems with the sub-Rx installation.  I have big hands and 
could not seem to be able to see to line things up properly, not to mention the 
pesky TMP connectors.

I am at the point with this where I will no longer attempt any mod that 
requires removal of the Sub-Rx.  Everything goes back to the factory.

From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Clay 
Autery
Sent: Wednesday, April 19, 2017 12:08 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sub Receiver & KBPF3

Funny IMO, some of the best design work I've ever seen
especially considering the package volume vs. modularity and capability.

However, I WILL confess

I now own my own TMP tool, TMP connectors, coax stock, and assorted
second end connectors in case I need/want to make one of those cables...

I have not yet needed to make a cable for my own use. But I've made a
bunch for other folks,

73,

__
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 4/18/2017 10:58 PM, Christopher Hoover wrote:
>> The TMP cables were in the way and sub-receiver box was a bit difficult
>> getting the SUBIN and SUBOUT boards to align and mate properly.
>
> I installed mine myself too. (And I just r/r recently with the addition
> of the gen coverage bp filters on the main board.) It is certainly
> fiddly. The mechanical design leaves much to be desired.
>
> 73, Christopher AI6KG.
>
> On Sun, Apr 16, 2017 at 4:27 AM, wa9fvp 
>  wrote:
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Re: [Elecraft] Sub Receiver & KBPF3

[Clay Autery]

Funny  IMO, some of the best design work I've ever seen
especially considering the package volume vs. modularity and capability.

However, I WILL confess

I now own my own TMP tool, TMP connectors, coax stock, and assorted
second end connectors in case I need/want to make one of those cables...

I have not yet needed to make a cable for my own use.  But I've made a
bunch for other folks,

73,

__
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 4/18/2017 10:58 PM, Christopher Hoover wrote:
>> The TMP cables were in the way and sub-receiver box was a bit difficult
>> getting the SUBIN and SUBOUT boards to align and mate properly.
>
> I installed mine myself too.(And I just r/r recently with the addition
> of the gen coverage bp filters on the main board.)   It is certainly
> fiddly.  The mechanical design leaves much to be desired.
>
> 73, Christopher  AI6KG.
>
> On Sun, Apr 16, 2017 at 4:27 AM, wa9fvp  wrote:
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Re: [Elecraft] Elecraft K3 For Sale

[Carl Jón Denbow]

SOLD! 

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Carl Jón 
Denbow
Sent: Friday, April 14, 2017 4:55 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Elecraft K3 For Sale

PRICE REDUCED:

I have many Elecraft products, including a K3s, so I find the following excess 
to my needs and, therefore, on the sale block.
Elecraft K3-100, SN: 0676, upgraded to many of features of the K3s. Contains 
filters -- KFL3A-250, KFL3A-6K, AND KFL3A-2.8K, is in good condition and fully 
functional. When I bought this rig both side panels were heavily scratched. I 
replaced the panels as well as most screws with stainless steel screws, and the 
rig is now a 9 out 10 cosmetically. Rig was back at the factory last November 
(11/17/2016 invoice date) and at that time was upgraded with KIO3B, KXV3B, and 
KSYN3A and the previously mentioned 2.8 filter. Also a number of updates were 
performed at that time so that when it left factory it was certified to "meet 
or exceed all factory specifications." [Cost of upgrades: $1,343.55.] In 
addition to the above, sold with following extra features:
KAT3A Auto Tuner
KPA100 100 watt amplifier module
KFL3A-250Hz KDVR
Your Price: $2,400, shipped your CONUS QTH.

Sent from my iPhone
===
Carl Jón Denbow, N8VZ
17 Coventry Lane
Athens, Ohio 45701-3718

c...@n8vz.com
www.n8vz.com
EM89wh

IRLP 4533   Echolink 116070

PSK and JT65 Forever!
===
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Re: [Elecraft] Sub Receiver & KBPF3

[Ron Wilcox]

I have a medical background, this was my first kit of any kind to do with
electronics. While I did not find it easy, I had no problems putting it
together. However it was not intuitive for me and had to study (not just
read) the instructions very carefully, and usually more than once or twice.

Today is a good day to have a Great Day!
73   Ron Wilcox KF7ZN

On Wed, Apr 19, 2017 at 7:30 AM, Nr4c  wrote:

> Really?  I have been quite please at the mechanical design of my Elecraft
> gear.
>
> Yes, the sub-Rec is a bit tricky to align but with a bit of care and I
> remove the side panel (with handle) for better view.
>
> Sent from my iPhone
> ...nr4c. bill
>
>
> On Apr 18, 2017, at 11:58 PM, Christopher Hoover 
> wrote:
>
> >>
> >> The TMP cables were in the way and sub-receiver box was a bit difficult
> >> getting the SUBIN and SUBOUT boards to align and mate properly.
> >
> >
> > I installed mine myself too.(And I just r/r recently with the
> addition
> > of the gen coverage bp filters on the main board.)   It is certainly
> > fiddly.  The mechanical design leaves much to be desired.
> >
> > 73, Christopher  AI6KG.
> >
> >> On Sun, Apr 16, 2017 at 4:27 AM, wa9fvp  wrote:
> >>
> >> I just installed the Sub receiver and the KBPF3A in my K3S.  I have one
> >> complaint and one concern.
> >>
> >> First the activation of the KBPF3A is very vague.  It's mentioned in the
> >> users manual on page 60 (the configuration menu) but there's nothing
> that
> >> says, while in (CONFIG:KBFP3) that you have to press [SUB] and then
> select
> >> "nor".  I double checked the installation manual for the sub receiver
> and
> >> the KBFP3A but there was nothing about activating the General Coverage
> >> filters.
> >>
> >> My concern is;  I consider myself as an experienced kit builder but for
> me,
> >> it was a bit difficult installing the Sub-Receiver.  The TMP cables
> were in
> >> the way and sub-receiver box was a bit difficult getting the SUBIN and
> >> SUBOUT boards to align and mate properly.  Someone who is new to kit
> >> building would have a more difficult time.
> >>
> >> The sub-receiver is working great and the one thing I like about it is;
> >> it's
> >> a clone of the main receiver with FM, AM, 2.8, 400 and 250Hz filters.  I
> >> wonder how the sub-receiver would stack-up on Sherwood Engineering's
> test
> >> data.
> >>
> >> Jack WA9FVP
> >> Willco Electronics
> >>
> >>
> >>
> >> -
> >> Jack WA9FVP
> >>
> >> Sent from my home-brew I5 Core PC
> >> --
> >> View this message in context: http://elecraft.365791.n2.
> >> nabble.com/Sub-Receiver-KBPF3-tp7629327.html
> >> Sent from the Elecraft mailing list archive at Nabble.com.
> >> __
> >> Elecraft mailing list
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> >> Post: mailto:Elecraft@mailman.qth.net
> >>
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> >> Please help support this email list: http://www.qsl.net/donate.html
> >> Message delivered to c...@murgatroid.com
> >>
> > __
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> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to n...@widomaker.com
>
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Re: [Elecraft] Sub Receiver & KBPF3

[Nr4c]

Really?  I have been quite please at the mechanical design of my Elecraft gear. 

Yes, the sub-Rec is a bit tricky to align but with a bit of care and I remove 
the side panel (with handle) for better view. 

Sent from my iPhone
...nr4c. bill


On Apr 18, 2017, at 11:58 PM, Christopher Hoover  wrote:

>> 
>> The TMP cables were in the way and sub-receiver box was a bit difficult
>> getting the SUBIN and SUBOUT boards to align and mate properly.
> 
> 
> I installed mine myself too.(And I just r/r recently with the addition
> of the gen coverage bp filters on the main board.)   It is certainly
> fiddly.  The mechanical design leaves much to be desired.
> 
> 73, Christopher  AI6KG.
> 
>> On Sun, Apr 16, 2017 at 4:27 AM, wa9fvp  wrote:
>> 
>> I just installed the Sub receiver and the KBPF3A in my K3S.  I have one
>> complaint and one concern.
>> 
>> First the activation of the KBPF3A is very vague.  It's mentioned in the
>> users manual on page 60 (the configuration menu) but there's nothing that
>> says, while in (CONFIG:KBFP3) that you have to press [SUB] and then select
>> "nor".  I double checked the installation manual for the sub receiver and
>> the KBFP3A but there was nothing about activating the General Coverage
>> filters.
>> 
>> My concern is;  I consider myself as an experienced kit builder but for me,
>> it was a bit difficult installing the Sub-Receiver.  The TMP cables were in
>> the way and sub-receiver box was a bit difficult getting the SUBIN and
>> SUBOUT boards to align and mate properly.  Someone who is new to kit
>> building would have a more difficult time.
>> 
>> The sub-receiver is working great and the one thing I like about it is;
>> it's
>> a clone of the main receiver with FM, AM, 2.8, 400 and 250Hz filters.  I
>> wonder how the sub-receiver would stack-up on Sherwood Engineering's test
>> data.
>> 
>> Jack WA9FVP
>> Willco Electronics
>> 
>> 
>> 
>> -
>> Jack WA9FVP
>> 
>> Sent from my home-brew I5 Core PC
>> --
>> View this message in context: http://elecraft.365791.n2.
>> nabble.com/Sub-Receiver-KBPF3-tp7629327.html
>> Sent from the Elecraft mailing list archive at Nabble.com.
>> __
>> 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 c...@murgatroid.com
>> 
> __
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> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to n...@widomaker.com

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Re: [Elecraft] Ground Rods and Congrete - Enough Said!

[ROBERT MUELLER]

Terry, they do this all the time as you know which is why I do not read 90% of 
the posts. Perhaps our notes will point this out to the folks that are past 
about number 50 on a subject.
Bob

> On April 19, 2017 at 12:21 AM Terry Brown  wrote:
>
>
> This topic is taking on a life of its own. It appears that there are two
> camps in the discussion; each believing they have documented evidence that
> they are right. Perhaps it is time to agree to disagree and put the thread
> to rest.
>
>
>
> Respectfully,
>
>
>
> Terry de N7TB
>
>
>
>
>
>
>
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Re: [Elecraft] Ground Rods and Congrete - Enough Said!

[Roger D Johnson]

Unfortunately, lightning protection is one of the most discussed and least
understood topics in amateur radio. A properly engineered and constructed
Ufer ground works well but many seem to think that any amount of conductor
buried in any amount of concrete in any configuration is a Ufer ground! These
same people probably think that, if 120 radials make a good ground for a
vertical antenna, then a single wire 120 times as long will work the same.

73, Roger

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