Perhaps so - but Dale is gong down there to put in a 240' broadcast tower. 73, Charlie, K4OTV
-----Original Message----- From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Bruce Sent: Wednesday, February 26, 2014 6:19 AM To: topband@contesting.com Subject: Topband: Fw: AM broadcast tower and 160m dxpedition I agree with Herb. Also Haiti is on an earthquake fault. The quarter wave tower would have a better chance of survival and is safer. 73 Bruce-K1FZ ----- Original Message ----- From: "Herb Schoenbohm" <he...@vitelcom.net> To: <topband@contesting.com> Sent: Tuesday, February 25, 2014 5:53 PM Subject: Re: Topband: AM broadcast tower and 160m dxpedition > Half wave verticals have been very disappointing to me over the years when > I had the tall BC towers in my backyard to play with after midnight on > 160. I have had much better result in hanging 1/2 wave center fed slopers > of of high towers. Radio stations seem to prefer if they have extermely > high towers like KSTP in St. Paul to split them with an insulated section > and feed them as a Franklin design and pick up some additional gain along > the ground. Some designs do not required two stacked half waves but > achieve significant height by folding back the top and bottom sections > with a cage or in fact using a top hat and an equivalent on the bottom. > The proper phasing section is mounted in a box at the center split and the > feedline is inside the tower. Why this should work any better than a > straight 1/2 wave, as it seems to is available perhaps in those who can > model and compare the two. It seems however that topbanders who expect > good results with a bottom fed 1/2 over a traditional 1/4 wave over a good > ground, seem to come away disappointed like myself. > > Herb Schoenbohm, KV4FZ > _________________ Topband Reflector Archives - http://www.contesting.com/_topband _________________ Topband Reflector Archives - http://www.contesting.com/_topband