Glenn,

I apologize for the misinformation. You are absolutely right. I was thinking
of N-connectors.

73 Kevin w9cf

ON4WIX wrote:
> 
> Kevin,
> 
> while this may be true for a type N-connector, this is definitely not the 
> case for BNC connectors.
> The center conductor in a BNC-type connector is exactly the same for a 50 
> ohm and a 75 ohm version.
> The only difference is that a 50 ohm BNC has a teflon "shell" at the
> inside 
> of the outer conductor ring while the 75 ohm version does not have this 
> teflon shell.
> 
> It's the teflon that causes the impedance difference, *not* the inner 
> conductor diameter.
> 
> 73
> Glenn ON4WIX
> ----- Original Message ----- 
> From: "w9cf" <[EMAIL PROTECTED]>
> To: <elecraft@mailman.qth.net>
> Sent: Thursday, August 07, 2008 10:03 PM
> Subject: Re: [Elecraft] k2 bnc connector
> 
> 
>>
>> Scott,
>>
>> Before changing it you should verify that your antenna coax is using a 50
>> ohm BNC.
>> The center conductor of the 75 ohm ones is smaller and will give
>> intermittent contact.
>>
>> 73 Kevin w9cf
>>
>>
>> Scott McDowell-4 wrote:
>>>
>>> Hello
>>>
>>> Has anyone had any trouble with the bnc antenna connector on a K2?
>>> Mine doesn't make contact with the antenna coax all the time. I can tell
>>> by the receiver noise when it looses contact. I think it is probably 
>>> doing
>>> that when I am transmitting, but I have no way to tell except the swr 
>>> goes
>>> out is sight. I have tried several of the bnc to pl239 adaptors and have
>>> the
>>> same problem with all of them.
>>> Has anyone ever changed out the antenna receptical from the bnc to a
>>> so239?  This loosing contact with the antenna while I am transmitting
>>> can't
>>> be very good on the K2 final amps.
>>> Any info will be appreciated.
>>> 73
>>> Scott N5SM
>>> _______________________________________________
>>> Elecraft mailing list
>>> Post to: Elecraft@mailman.qth.net
>>> 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
>>>
>>>
>>
>> -- 
>> View this message in context: 
>> http://n2.nabble.com/k2-bnc-connector-tp677440p679435.html
>> Sent from the Elecraft mailing list archive at Nabble.com.
>>
>> _______________________________________________
>> Elecraft mailing list
>> Post to: Elecraft@mailman.qth.net
>> 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
>>
>> No virus found in this incoming message.
>> Checked by AVG - http://www.avg.com
>> Version: 8.0.138 / Virus Database: 270.5.12/1597 - Release Date:
>> 7/08/2008 
>> 5:54
>>
>>
>> 
> 
> _______________________________________________
> Elecraft mailing list
> Post to: Elecraft@mailman.qth.net
> 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
> 
> 

-- 
View this message in context: 
http://n2.nabble.com/k2-bnc-connector-tp677440p679504.html
Sent from the Elecraft mailing list archive at Nabble.com.

_______________________________________________
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
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

Reply via email to