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: <[email protected]> > 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: [email protected] >>> 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: [email protected] >> 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: [email protected] > 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: [email protected] 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
