Topband: 4SQ Arrays in proximity

[Paul F. Merrill]

HI - I have a couple questions -

--I am planning a 160m TX 4SQ and another for 80M.   Their centers are
going to be about 300' apart - is this far enough away?  I have a little
bit of room to move them apart, but am lucky enough as it is to have the
space to get this.  The closest verticals will be about 200' apart.

--I'll be using N6BT vertical dipoles, so there will be no radial issues.

--WRT TX chokes - I'm worried about constructing feedline chokes for the
feedpoints and still having enough cable (.85vf) to get to the phasing
box.  How have others done this?  Do you have a choke and did you add it to
pre-cut phasing lines or did you wind the chokes and work backwards towards
the center to get the required electrical or physical length?  Did you used
magnet wire for the choke instead of coax?

I've come across N6RO's helpful 2017 writeup of his 4SQ refurbishment and
it touches on these issues.  Anyone else have time to share some wisdom?

Thanks in advance, Paul / W7IV