Wayne wrote:

"Ian Jackson" wrote in message ...

In message , rickman
writes
On 9/30/2015 12:57 PM, John S wrote:
On 9/30/2015 10:12 AM, Ian Jackson wrote:
In message , Jeff writes
On 29/09/2015 14:31, Jerry Stuckle wrote:
On 9/29/2015 4:40 AM, Jeff wrote:


So let's get back to the original question. Was it ever really answered? I
think it was made slightly more complicated by the fact that the antenna
feedpoint impedance was not purely resistive, but was actually around
20-j130 (at 14 MHz),

Was there any advantage in having the coax paralleled (both for 20 ohms
resistive, and for 20-j130)?

Expanding on the original question.... Antenna feedpoint approximately
20-j130
The ATU drives the antenna through about 15 feet of coax.
Assuming that the ATU provides a +j130 conjugate match, does that leave the
coax with a SWR of 50/20= 2.5:1?
If so, then I will not bother with considering 2 parallel coax.

If I'm not mistaken, the aerial impedance will look a bit different at
the other end of about a quarter wave of coax. But that is probably
not going to alter your conclusion, just the matching network.


--
Roger Hayter