[TenTec] "Radiates like Crazy"???? No

Curt k3ey at yahoo.com
Fri Jul 8 14:44:51 EDT 2005


I don't care if you do or don't...you're
wrong!!!!!!!!!!

--- Stuart Rohre <rohre at arlut.utexas.edu> wrote:

> I must respectfully disagree that ladder line
> "radiates like crazy".
> 
> It is BALANCED line, that means if it is fed from a
> balanced source and goes
> to a balanced antenna, the currents are equal and
> opposite in each wire and
> their fields cancel within a few diameters of the
> line.  See the theory of
> transmission lines in the ARRL Handbooks.
> 
> It should cross conductors at right angles, and
> should be twisted every 18
> inches or so, to minimize effects from nearby
> conductors that could
> unbalance it.
> 
> If you ever have ladder line "radiating" you are mis
> applying it in some way
> at one end or the other.   Balanced antennas are
> center fed beams, dipoles,
> etc. with line brought off at 90 degrees to the
> antenna wires.
> 
> Let's bury these old wive's tales about balanced
> parallel transmission
> lines.
> 
> Stuart
> K5KVH
> 
> 
> 
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