[NLRS] 432 antenna/ feed questions

[Dave Aho - N9TTX]

Yup I realize the beamwidth will be narrow. These are the 25 element (or sometimes 2/3 length depending on vehicle length) K1FO's that i got from Ron KA0RYT. I ws going to email him but the old addy I had is no longer valid I guess. 
I am planning if it is feasible and workable to mount two of them horizontally polarized and side by side on a spreader due to the short stack height on the truck. I'm not worried much on calling g cq as I would normally peak/work the lower bands 1st then go to 432 and higher once I regain 1296 and 902 later on. 
I'm just trying to also find a phasing harness/splitter to drive them both.  I cannot seem to find a ready made one on directive systems site yet. So that wS tax other question for ron.


I modulate, therefore I am! ...73, and all that jazz, Dave...N9TTX Always remember: "It could be worse.....it could be raining." Marty Feldman from "Young Frankenstein" 

    On Thursday, 23 July 2020, 20:39:02 GMT-5, Paul Husby <husby002 at gmail.com> wrote:  
 
 The beamwidth will be half what it was for a single, so it will be very 
narrow depending on how long the booms are.  That's fine if you know 
your heading for working a given station, but bad if you are trying to 
call CQ.

Horizontal spacing should be the same as vertical spacing.  Feed is best 
done with a power divider in the middle and equal lengths of coax to 
each antenna.

73
Paul W0UC

On 7/23/2020 5:47 PM, Dave Aho - N9TTX via NLRS wrote:
> 1. I know vertically stacked horizontal oriented antennas would be optimal, but would two horizontal yagis be "stacked" effectively next to each other on a cross spreader...and what should the best distance between booms be?
> 2. if stacking either horizontal or vertically, what should the phasing harness lengths and feed type be? Or would anyone have one for 432.
> Just curious as if I do go out for the UHF test in a couple weeks, and for the Sept test I could put 2 yagis side by side on that band. I only have about 3-4 feet of vertical mast available before I am over legal height on the truck
> I modulate, therefore I am! ...73, and all that jazz, Dave...N9TTX Always remember: "It could be worse.....it could be raining." Marty Feldman from "Young Frankenstein"
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