[TowerTalk] (no subject) Vertical Antenna Instead ofTower Decision....

RICHARD SOLOMON w1ksz at q.com
Wed Sep 24 12:12:54 EDT 2008


Sounds like the Monopole design. I had one up for 40 years ago.
 
73, Dick, W1KSZ



> Date: Wed, 24 Sep 2008 07:23:11 -0700> From: radioart at charter.net> To: jruing at ameritech.net; donovanf at starpower.net; donhall161 at sbcglobal.net> CC: TowerTalk at contesting.com> Subject: Re: [TowerTalk] (no subject) Vertical Antenna Instead ofTower Decision....> > A new technique for feeding towers has been adopted for Amateur use from the broadcast industry. You drop 3 heavy gauge wires connected at the top of the tower to within a few feet of the bottom. Connect the three wires together with a wire ring around the base of the tower and feed that ring, connected to the three wires, with a simple L-Network with respect to your radial system.> > Very effecient system. Several local DXers us it on 160m and 80m with great results. One tower is 140' and the other I know is about 90' with a lot of top loading from various beams....> > You can Google this type of tower feed and get more information....> > Dennis, k0eoo> > > ---- Don Hall <donhall161 at sbcglobal.net> wrote: > > Use your tower with gamma or omega matches on 80/160. Works best with a > > self-supporting one, but lots of operators use insulated guys.> > > > I made my 160 DXCC with an LM354 loaded that way on an 80x120 lot in the > > middle of town.> > > > Can be done.> > > > 73 Don K5AQ> > ----- Original Message ----- > > From: "Richards" <jruing at ameritech.net>> > To: <donovanf at starpower.net>> > Cc: <TowerTalk at contesting.com>> > Sent: Tuesday, September 23, 2008 4:03 PM> > Subject: Re: [TowerTalk] (no subject) Vertical Antenna Instead ofTower > > Decision....> > > > > > > Hi Frank --> > >> > > Thanks for the strong reply to my questions. Based on your comments, I> > > would be better off making higher, longer, and better wire antennas and> > > working towards a beam on a tower, instead of looking for a vertical> > > compromise today.> > >> > > The six month tower estimate is my own estimate based on several> > > factors, including the time it takes to 1) research and plan the tower,> > > 2) order it and have it arrive - many companies are several months out> > > on delivery dates, 3) the time it takes to get the local tower expert > > > over> > > to put it up -- regardless of how much money I MIGHT save, I plan to> > > hire it done by a licensed, bonded, insured, experienced and collectible> > > professional I can sue when it falls over. (I am a retired trial> > > lawyer...I> > > KNOW the liabilities and risks.. ), and 4) it takes time to get the> > > antenna> > > delivered, assembled, and ready for installation. Moreover, it is nearly> > > October and we will soon be in the Michigan rainy season, and then> > > snow flies starting in November for the next 5 months, and the reliable> > > good tower guys do not install in winter.> > >> > > Thus,... I figure I could realistically get my tower up starting next May> > > as I cannot get it all arranged before November. This makes it a> > > winter project that can go up early spring if I get on it starting now.> > >> > > THE REAL DILEMMA> > >> > > My real problem is that I want to work the lower bands and do not have> > > much space for long wires. I can put up a tower and a modest beam...> > > but that will realistically only get me out on 20 Meter and higher. I > > > will> > > still be stuck for anything on the low bands... which is why the HyTower> > > and the mono pole vertical (which can both be tuned down to 160 and 80> > > meters) were so appealing on paper.> > >> > > Thanks for any other suggestions you might have.> > >> > > ================ JH Richards - K8JHR =================> > >> > >> > >> > >> > >> > > donovanf at starpower.net wrote:> > >> > >> 1. Retain your existing antennas until you install something more > > >> permanent.> > >> > Compared to your existing antennas, you'll be disappointed in the> > > performance of any of the alternatives you listed on 20 thru 10 meters.> > >> > >> 2. Accelerate your tower installation.> > >> Its not obvious why a tower installation must take 6 months.> > >> > > =======================================================> > > _______________________________________________> > >> > >> > >> > > _______________________________________________> > > TowerTalk mailing list> > > TowerTalk at contesting.com> > > http://lists.contesting.com/mailman/listinfo/towertalk > > > > _______________________________________________> > > > > > > > _______________________________________________> > TowerTalk mailing list> > TowerTalk at contesting.com> > http://lists.contesting.com/mailman/listinfo/towertalk> > _______________________________________________> > > > _______________________________________________> TowerTalk mailing list> TowerTalk at contesting.com> http://lists.contesting.com/mailman/listinfo/towertalk


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