Was originally known as a T2FD ... Savvy marketing by B & W ...
73 ! K0PP On Wed, Dec 5, 2018, 16:07 Fred Jensen <[email protected] wrote: > Remember the B&W Wide-Band Folded Dipole, often found over National > Guard Armories, that's older than most of us? Very broad band in the > middle of the HF spectrum, achieved with a 200 ohm [IIRC] resistor. > While no so good for hams, NG soldiers are not known for DX'ing and it > worked great for them over perhaps 4 or 5 working frequencies. The > resistor burned half the power, and it also broadened the SWR curve > dramatically by swamping out the changing complex impedance at the > feedpoint. > > Incidentally, B&W was completely up front about how the antenna achieved > such a broad band response in contrast with the claims of the "miracle > antennas" advertised in the magazines. > > 73, > Fred ["Skip"] K6DGW > Sparks NV DM09dn > Washoe County > > On 12/5/2018 1:19 PM, N2TK, Tony wrote: > > A number of years ago, the SWR on my shunt fed tower kept getting wider > and > > flatter. The feedline buried hardline with an aluminum jacket. The soil > > here in upstate NY had eaten away the aluminum and produced a goo. When I > > disconnected all the feedlines to the tower the shield on the 160M feed > > showed a high resistance. > > The shield of the other feedlines were providing the return path. So, > nice > > SWR but not a very efficient antenna. > > 73, > > N2TK, Tony > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
