For jumpers in the shack what about RG-8X low loss with foil and braid
shield that Davis RF lists? How does it compare to RG-400? The most power
these jumpers would see is 100W. I use Buryflex from the output of the amps
which are in the basement.
N2TK, Tony
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Paul
Christensen
Sent: Thursday, March 15, 2018 8:12 AM
To: 'towertalk reflector' <towertalk@contesting.com>
Subject: Re: [TowerTalk] Skinny QRO coax jumpers for station interconnection
For those wanting to crimp connectors on RG400, I've been using these two
types from RF Industries:
PL-259: RFU-505-C1
Male N: RFN-1005-3C1
For soldering RG400 with a male PL-259, a UG reducer is needed. The RG400's
silver shield easily bonds to a silver-plated reducer.
Rarely do I recommend alternative installation practices beyond what
connector manufacturers specify, but I recommend this method above all
others. Do just one and it will be addictive.
http://www.n3sh.org/PL259.pdf
Paul, W9AC
-----Original Message-----
From: TowerTalk <towertalk-bounces@contesting.com> On Behalf Of Grant
Saviers
Sent: Thursday, March 15, 2018 1:23 AM
To: Jim Smith <jimsmith@shaw.ca>; towertalk@contesting.com
Subject: Re: [TowerTalk] Skinny QRO coax jumpers for station interconnection
RG142 will handle the power but the center conductor is silver plate on
copper clad solid steel (SCCS). RG400 is a more flexible choice as it has a
stranded center, silver over copper, but given the double braid shield and
TFE insulation it is still stiffer than RG8X. I use soldered PL's since the
TFE is very heat resistant.
Or get them made to order, not bad prices considering what the raw cable
cost is per foot.
https://www.ebay.com/itm/6-10-RG400-M17-N-Male-Jumper-Silver-coated-RF-LAB-c
able-USA/131261896246?hash=item1e8fd19636:m:mxHmFuMTID-ASNC8GHWzR7w
i think they will put whatever connectors you want on each end.
Grant KZ1W
On 3/14/2018 21:44 PM, Jim Smith wrote:
> I have a number of filters and switches to wire up in my QRO station.
> I
would like the necessary coax jumpers to be thinner (0.25" ?) and more
flexible than, say, RG 213. They will be terminated by crimped PL 259s (or
equivalent).
>
> Any suggestions as to what I should use?
>
> 73, Jim VE7FO
> _______________________________________________
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