[Elecraft] What is "good quality coax"

Edward Kenworthy [email protected]
Tue Jun 10 10:46:00 2003


If it's cheap it probably isn't good quality :-)

Good quality coax aka "low-loss" is noticeably thicker than the cheap stuff,
has a multi-strand core, good, thick shielding and thick insulation. An
example of low loss coax is RG-213.


Edward

On 10/6/03 12:29 pm, "[email protected]"
<[email protected]> wrote:

> Hi guys, firstly thanks to all the folk who replied to my query on end fed
> antenna grounding. Very useful tips.
> 
> I see many references to "good quality coax" including in the KAT1
> instruction manual. I'm not sure how to tell "good quality" from the
> "rubbish". I have a pile of RG58, 5mm OD stuff that is cheap (got mine from
> Electrovalue in UK). Is this good enough for QRP on 40-15m? . The 213 coax
> is much bigger, heavier and expensive.  If I use RG58 and provided I don't
> have long lengths with high SWR I don't think I shouldn't have big losses
> (I am putting up a 40m dipole). Some coax in the UK is advertised as
> "military spec" presumably this is better but in what way?
> 
> Any thoughts. Thanks again for this terrific source of advice, it's great
> for beginners like me.
> 
> Martin
> M0KWV
> K1/K1-4 #1534
> 
> 
> 
> Why not take a look at our Web site?
> http://www.simoncarves.com
> 
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