[Lf] more antenna questions

Andre Kesteloot andre.kesteloot at ieee.org
Sat Jun 9 18:03:45 CDT 2001



"Paul A. Cianciolo" wrote:
> 
> Hello Folks
> 
> Thank you all for your answers about my ground loss questions.  It all has
> been extremely
> helpful.   I also purchased the 2 books,  The LF experimenters handbooks 2
> and 3 !!!
> 
> These are really great.!!!
> 
> What I would like to do as I am hoping that the band s released to the US
> soon is to
> contemplate antenna systems and hopefully model some.
> 
> Here is what I  have at my disposal.
> 
> My tower is 130' tall.  It is located 160 feet directly behind my house.
> The tower is situated so that
> 1 guy wire is anchored in the woods which happens to be perpedicula to the
> back of
> my house.    The other 2 are guy wire sets that are parralel with the back
> of the house.
> 
> The problem is that this tower is grounded at the base and at all 6 guy
> points.
> The tower has 2 sets of anchors  1 at 80' and 1 at about 120'.  It is guyed
> at 30, 60, 90, 120 feet,
> The 2 bottom sets of guys go to the close in anchors and the top 2 go to the
> a set of offset triangles or
> star mount which the 60 and 90' levels have 6 guy wires at each level,.
> 
> The tower is grounded at the base and at each anchor.  The antenna cable for
> HF beam and others
> come down to about the 20' level and then "fly" to the house at about 15'
> above the ground.
> 
> Behind the tower is a 2 acres of woods that I can use,  with treetops at
> the70 to 80 foot level
> 
> Can anyone suggest a way to feed this tower?  For use on the coming (I hope)
> 136 Khz band.
> Can it be shunt fed?
> 
> I do have a pulley on an 8  foot extension arm that I could use to support a
> loop antenna.
> 
> Open to all suggestions.
> 
> Thank you again
> 
> Paulc
> W1VLF
> 
> Cloudbounce Webpage  http://www.qsl.net/w1vlf/
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> 
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