You're right, Dave. I have three of them. Very handy little beasts. 73, Bob N6WG
----- Original Message ----- From: "David Yarnes" <[EMAIL PROTECTED]> To: "Robert Tellefsen" <[EMAIL PROTECTED]>; "Brian Lloyd" <[EMAIL PROTECTED]>; "elecraft Reflector" <elecraft@mailman.qth.net> Sent: Tuesday, May 13, 2008 2:45 PM Subject: Re: [Elecraft] Bal[un] (was: Buddipole vs. tuner and wire) > The BL2 (switchable balun) will handle 250 watts! That should be enough. > > Dave W7AQK > > > ----- Original Message ----- > From: "Robert Tellefsen" <[EMAIL PROTECTED]> > To: "Brian Lloyd" <[EMAIL PROTECTED]>; "elecraft Reflector" > <elecraft@mailman.qth.net> > Sent: Tuesday, May 13, 2008 9:54 AM > Subject: Re: [Elecraft] Bal[un] (was: Buddipole vs. tuner and wire) > > > > Hi Brian > > I don't recall if you mentioned what power level you > > would be using with your K2. If it is running barefoot, > > without the 100w PA, you could use one of the Elecraft > > switchable baluns. They switch between 1:1 and 4:1 > > ratios, giving you a good chance to match most balanced > > feeds. > > > > Even though the rig end of the line may be reactive, due > > to impedance mismatches along the line, the switchable > > balun can be used to reduce the amount of mismatch the > > ATU then has to to cope with. > > > > This makes a simple dipole with tuned feeders a nice > > multiband antenna. On a given band, try both switch > > positions and see which one helps the ATU make the best > > match. > > > > Good luck and 73 > > Bob N6WG > > > > ----- Original Message ----- > > From: "Brian Lloyd" <[EMAIL PROTECTED]> > > To: "elecraft Reflector" <elecraft@mailman.qth.net> > > Sent: Tuesday, May 13, 2008 8:37 AM > > Subject: [Elecraft] Bal[un] (was: Buddipole vs. tuner and wire) > > > > > >> OK, I am convinced - keep the tuner and the wire. So, that brings up > > a > >> second question: balanced vs. unbalanced. > >> > >> Wire antennas that do not require a counterpoise are usually loops > > or > >> dipoles, i.e. inherently balanced even if not resonant. Most tuners > >> offer an unbalanced output. SGC says, just connect up the antenna. > >> Seems to me that a balun would improve things and keep RF off the > > coax > >> and power leads to the tuner. But how well do baluns handle huge > >> mismatch? > >> > >> Just off the top of my head, it seems to me that the tuner at the > > top > >> of a pole with two legs sloped down, i.e. inverted-V, would make a > >> pretty good omni all-band antenna. > >> > >> More thinking aloud. > >> > >> Brian Lloyd > >> Granite Bay Montessori School 9330 Sierra College Bl > >> brian AT gbmontessori DOT com Roseville, CA 95661 > >> +1.916.367.2131 (voice) +1.791.912.8170 (fax) > >> > >> PGP key ID: 12095C52A32A1B6C > >> PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A > > 1B6C > >> > >> > >> > >> > >> _______________________________________________ > >> 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 > > > > _______________________________________________ > > 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 > > > _______________________________________________ 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
