RE: [amsat-bb] coax types

["Santillo, John" <SANTILLOJ@xxxxxxxxxxxxxxxxxxxxxx>]

RG-174 has a solid Polyethylene (PE) dielectric.  PTFE coax type is a RG-141
or 
RG-142.  They are also double shielded and about twice as thick as the 
RG-174.  

Most of the PTFE coax cables are double shielded and I assume Symek
wants to reduce the possibility of RF emissions from the cable.  

RG-214 is a common coax cable but it's a solid PE 
and double shielded but it's pretty hefty stuff.

73

John
N2HMM

 > -----Original Message-----
 > From:	Mike West [SMTP:wl7bqm@gci.net]
 > Sent:	Friday, February 04, 2000 2:14 PM
 > To:	amsat-bb@AMSAT.Org
 > Subject:	[amsat-bb] coax types
 > 
 > Question for the coax experts.
 > 
 > I'm installing a Symek IFD board into a FT-736R. They call for 50 ohm PTFE
 > insulated coax cables. I can't find a thing on (PTFE). Is that anything
 > like
 > RG-174 ???
 > 
 > Thanks, mike WL7BQM
 > 
 > 
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