Hardline comes in various impedances.  It is as described but uses solid
metal for the center and shield(s).  


###
BRETT WINCHESTER
[log in to unmask] 
208-639-8386
###


-----Original Message-----
From: For blind ham radio operators
[mailto:[log in to unmask]] On Behalf Of Colin McDonald
Sent: Tuesday, November 27, 2007 9:43 AM
To: [log in to unmask]
Subject: Re: coax and what to run

no, latter line is not hard line.
Latter line is two wires strung side by side with separators every
couple inches to keep them an exact distance apart.
This type of feed line exhibits something around 450ohms of impedance.
Hard line is, from what I understand, similar to a typical coax with a
center conducter, a dialectric and an outer shield.
I have never seen a peace of hardline, so i have no idea if this is
correct, but I guess it is since they use regular pl259, SMA and N type
connecters with hardline.
I am guessing that hard line is also around 50ohms impedance.
The kind of latter line you can get these days is good stuff, all made
out of plastic and well shielded...its fairly cheap too I believe and
would make a great feedline for HF.
I am not sure, but you can probably get latter line with coating that
can withstand being barried.  Its easy enough to use a balun at each end
of your latter line to convert back to 50 ohms to run to the radio and
antenna.
That said, I believe you have an antenna tuner that can be used with
latter line right off the back right?
That might be your best alternative.
If you don't have the tuner, then a simple 4 to 1 balun on each end will
suffice.
latter line, as was stated before, has very little loss over long
distances.
The only problem is, that it becomes a part of the radiating antenna, so
some have had trouble with RFI and so on from that type of feedline....I
think though, that if you use baluns, this should help to reduce any RFI
problems.
73
Colin, V A6BKX
----- Original Message -----
From: "Gery Gaubert" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, November 27, 2007 7:27 AM
Subject: coax and what to run


> Thank   s f         or         al          l           the info on
coax
> cable.  I have some answers now.  I want to use the tower for mostly
hf
> antennas.  Som dipoles and probably a g5rv.  Maybe a Carolina Windum.
I
> have the uhf antenna on the house about 20 feet up and it sems to be
> working for the very few times I use it.  I am more interested in the
> 10-160 meter bands.  I may eventually want to work some on 6 meters
but
> I do't have a radio for 6 right now.
> =20
> I went on dxengeneering's website andfound ladder line.  Is that what
> hams refer to as hard line? =20
> =20
>
>
>
> -- 
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