Elecraft

BNC To Twin Lug Adapter

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nv9z

BNC To Twin Lug Adapter

Does anyone know a source where I can obtain one of those BNC to twin lug
adapters for the KX1? I am thinking of puuting up a G5RV fed with 300 ohm
ladder line.

Thanks and very 73/72!

Chris NV9Z
Hagerstown IN
www.eciqrp.org

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johnny-52

Re: BNC To Twin Lug Adapter

Hello,

It can be obtained from Hong Kong at US$5 including postage for ordinary air
mail.

73

Johnny VR2XMC
----- Original Message -----
From: <[hidden email]>
To: <[hidden email]>
Sent: Sunday, July 08, 2007 11:06 AM
Subject: [Elecraft] BNC To Twin Lug Adapter

> Does anyone know a source where I can obtain one of those BNC to twin lug
> adapters for the KX1? I am thinking of puuting up a G5RV fed with 300
> ohm
> ladder line.
>
> Thanks and very 73/72!
>
> Chris NV9Z
> Hagerstown IN
> www.eciqrp.org
>
>
>
>
> ************************************** See what's free at
> http://www.aol.com.
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
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>

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Craig Rairdin

RE: BNC To Twin Lug Adapter

In reply to this post by nv9z

Can you feed 300 ohm ladder line right into a KX1? Will it tune it? I guess
I should try it... I always add a balun.

Craig
NZ0R
KX1 #1499
K1 #1966
K2/100 #4941

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of [hidden email]
Sent: Saturday, July 07, 2007 10:06 PM
To: [hidden email]
Subject: [Elecraft] BNC To Twin Lug Adapter

Does anyone know a source where I can obtain one of those BNC to twin lug
adapters for the KX1? I am thinking of puuting up a G5RV fed with 300 ohm
ladder line.

Thanks and very 73/72!

Chris NV9Z
Hagerstown IN
www.eciqrp.org

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John Lonigro

Re: BNC To Twin Lug Adapter

In reply to this post by johnny-52

Chris:
If I understand what you mean by "twin lug", Jameco has it
(www.jameco.com, part number 99354) for a little more than $5.00 plus
shipping. This item has a BNC male on one end and twin banana
jacks/binding posts on the other.

73's,
John AA0VE

>> Does anyone know a source where I can obtain one of those BNC to
>> twin lug
>> adapters for the KX1? I am thinking of puuting up a G5RV fed with
>> 300 ohm
>> ladder line.
>>
>> Thanks and very 73/72!
>>
>> Chris NV9Z
>> Hagerstown IN
>> www.eciqrp.org
>>

Sam Morgan

Re: BNC To Twin Lug Adapter

>>> Does anyone know a source where I can obtain one of those BNC to
>>> twin lug
>>> adapters for the KX1? I am thinking of puuting up a G5RV fed with
>>> 300 ohm ladder line.
>>>
when I faced this problem I threw a few more dollars at it and got this kit
5 Piece BNC / Dual Banana Adapter Kit
http://www.l-com.com/item.aspx?id=5552

--
GB & 73's
KA5OAI
Sam Morgan
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Craig Smith

RE: BNC To Twin Lug Adapter

Another data point for you is the Pomona adapter. I've always had very good
results with Pomona products - not cheap, but very high quality. The part
you are looking for is Mouser PN 565-1296. Pricing is currently $13.43. No
minimum order.

73
... Craig AC0DS

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Don Wilhelm-3

Re: BNC To Twin Lug Adapter

In reply to this post by Craig Rairdin

Craig,

While you can feed ladder line directly to anything (including a KX1),
the enclosure and whatever is connected to it can create unbalance on
the ladder line. The result is that the antenna tuning will change
depending on how the KX1 couples to ground - the antenna will behave
differently with the KX1 running on batteries compared to running from a
power supply.

It is wise to use a 1:1 current balun to decouple the ladder line from
those 'ground effects'. Use a 4:1 current balun if it provides a better
match to the antenna. An Elecraft BL2 is ideal, it has a switch so you
can change from 1:1 to 4:1 and use whichever matches better.

73,
Don W3FPR

Craig Rairdin wrote:

> Can you feed 300 ohm ladder line right into a KX1? Will it tune it? I guess
> I should try it... I always add a balun.
>
> Craig
> NZ0R
> KX1 #1499
> K1 #1966
> K2/100 #4941
>
> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of [hidden email]
> Sent: Saturday, July 07, 2007 10:06 PM
> To: [hidden email]
> Subject: [Elecraft] BNC To Twin Lug Adapter
>
>
> Does anyone know a source where I can obtain one of those BNC to twin lug
> adapters for the KX1? I am thinking of puuting up a G5RV fed with 300 ohm
> ladder line.
>
> Thanks and very 73/72!
>
> Chris NV9Z
> Hagerstown IN
> www.eciqrp.org
>
>
>
>
> ************************************** See what's free at
> http://www.aol.com.
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
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>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>
> _______________________________________________
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>

Craig Rairdin

RE: BNC To Twin Lug Adapter

For Field Day this year we had a 130' dipole fed with 300-ohm ladder line
running to my KAT100 through a 4:1 balun and it worked great on all bands.

We talked about feeding one side of the antenna to the K2 and attempting to
load it up on 160m but never got around to it. We would've needed some kind
of RF ground which we didn't have set up.

Craig
NZ0R

-----Original Message-----
From: Don Wilhelm [mailto:[hidden email]]
Sent: Sunday, July 08, 2007 8:15 AM
To: Craig Rairdin
Cc: [hidden email]
Subject: Re: [Elecraft] BNC To Twin Lug Adapter

Craig,

While you can feed ladder line directly to anything (including a KX1),
the enclosure and whatever is connected to it can create unbalance on
the ladder line. The result is that the antenna tuning will change
depending on how the KX1 couples to ground - the antenna will behave
differently with the KX1 running on batteries compared to running from a
power supply.

It is wise to use a 1:1 current balun to decouple the ladder line from
those 'ground effects'. Use a 4:1 current balun if it provides a better
match to the antenna. An Elecraft BL2 is ideal, it has a switch so you
can change from 1:1 to 4:1 and use whichever matches better.

73,
Don W3FPR

Craig Rairdin wrote:
> Can you feed 300 ohm ladder line right into a KX1? Will it tune it? I
guess

> I should try it... I always add a balun.
>
> Craig
> NZ0R
> KX1 #1499
> K1 #1966
> K2/100 #4941
>
> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of [hidden email]
> Sent: Saturday, July 07, 2007 10:06 PM
> To: [hidden email]
> Subject: [Elecraft] BNC To Twin Lug Adapter
>
>
> Does anyone know a source where I can obtain one of those BNC to twin lug

> adapters for the KX1? I am thinking of puuting up a G5RV fed with 300
ohm

> ladder line.
>
> Thanks and very 73/72!
>
> Chris NV9Z
> Hagerstown IN
> www.eciqrp.org
>
>
>
>
> ************************************** See what's free at
> http://www.aol.com.
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>
> _______________________________________________
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>

Art Burke-2

Re: BNC To Twin Lug Adapter

In reply to this post by John Lonigro

When I got my KX1, I thought those plugs were somewhat rare. I found them in
several places on-line (don't remember exactly where at the moment cuz I
sold my KX1 and the plugs) and also bought a couple at a decent-sized
hamfest.

The plugs are *not* designed for twinlead - one is for the conductor, the
other is for a counterpoise - this is stated in the manual.

Art - N4PJ

----- Original Message -----
From: "John R. Lonigro" <[hidden email]>
To: "johnny" <[hidden email]>
Cc: <[hidden email]>
Sent: Sunday, July 08, 2007 5:44 AM
Subject: Re: [Elecraft] BNC To Twin Lug Adapter

> Chris:
> If I understand what you mean by "twin lug", Jameco has it
> (www.jameco.com, part number 99354) for a little more than $5.00 plus
> shipping. This item has a BNC male on one end and twin banana
> jacks/binding posts on the other.
>
> 73's,
> John AA0VE
>
>>> Does anyone know a source where I can obtain one of those BNC to twin
>>> lug
>>> adapters for the KX1? I am thinking of puuting up a G5RV fed with 300
>>> ohm
>>> ladder line.
>>>
>>> Thanks and very 73/72!
>>>
>>> Chris NV9Z
>>> Hagerstown IN
>>> www.eciqrp.org
>>>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
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> Elecraft web page: http://www.elecraft.com
>
>
> --
> No virus found in this incoming message.
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>
>

Bob Nielsen

Re: BNC To Twin Lug Adapter

In reply to this post by Craig Smith

On Jul 8, 2007, at 6:15 AM, Craig D. Smith wrote:

> Another data point for you is the Pomona adapter. I've always had
> very good
> results with Pomona products - not cheap, but very high quality.
> The part
> you are looking for is Mouser PN 565-1296. Pricing is currently
> $13.43. No
> minimum order.
>

These have been around forever (>40 years anyway--I recall using them
in the lab at work in the early 1960s). I bought one at Fry's
Electronics a few years ago.

73, Bob N7XY

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N2EY

Re: BNC To Twin Lug Adapter

In reply to this post by nv9z

In a message dated 7/8/07 9:28:59 AM Eastern Daylight Time,
[hidden email] writes:

> 130' dipole fed with 300-ohm ladder line
> running to my KAT100 through a 4:1 balun

How many feet of ladder line, and how high up was the dipole?

73 de Jim, N2EY

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Craig Rairdin

RE: BNC To Twin Lug Adapter

I'm not sure how long the ladder line was, but I'd guess about 100'. The
antenna was about 40' on the ends and 45' in the center.

Craig
NZ0R
-----Original Message-----
From: [hidden email] [mailto:[hidden email]]
Sent: Sunday, July 08, 2007 12:05 PM
To: [hidden email]; [hidden email]
Cc: [hidden email]
Subject: Re: [Elecraft] BNC To Twin Lug Adapter

In a message dated 7/8/07 9:28:59 AM Eastern Daylight Time,
[hidden email] writes:

130' dipole fed with 300-ohm ladder line
running to my KAT100 through a 4:1 balun

How many feet of ladder line, and how high up was the dipole?

73 de Jim, N2EY

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Bob DeHaney

Test

Testing tnx, Bob DJ0MBC/WU5T

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