The best 160m antenna I ever had was in 1981.  I put up 192 feet of Rohn 25G 
tower and shunt fed it from the 60 foot level.  That was a lot of insulators 
and wire and rope clamps for six levels of guying!  
It had 9 radials attached to the tower at 60 feet sloping toward a point about 
100 feet out.  Unfortunately I had to move soon after putting it up and had to 
take it down.  The suggestion of 9 radials (3 per tower leg) came from a friend 
who had done work with WWV installations.
Although today it wouldn't be the very best antenna, competing with phased 
arrays, it was very good at the time - good enough I would love to have the 
same setup 35 years later.  I may be wrong but believe In the CQ 160 contest, 
1981 or 1982, from Arkansas, I made more contacts than anyone using that 
antenna.  The closest I will get is one day doing the same type of thing by 
elevating a shunt feed on my 40m tower.
73...Stan, K5GO
> On Dec 16, 2015, at 1:23 AM, <n0tt1@juno.com> <n0tt1@juno.com> wrote:
> 
> BTW, it's interesting to note that our favorite 
> frequency standard, WWV, has 9 radials
> on their vertical dipole antennas.
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