# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 500, 350 
# set output 'poldat.2.png'
set clip points
unset border
set dummy t,y
set angles degrees
set grid polar 15.000000
set grid noxtics nomxtics noytics nomytics noztics nomztics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid layerdefault   linetype -1 linecolor rgb "gray"  linewidth 0.200,  linetype -1 linecolor rgb "gray"  linewidth 0.200
unset key
set polar
set size ratio 1 1,1
set style data lines
set noxtics
set ytics axis in scale 1,0.5 nomirror norotate  offset character 0, 0, 0 autojustify
set title "Antenna Pattern" 
set timestamp "%a %b %d %H:%M:%S %Y" 
set rrange [ -200.000 : 60.0000 ] noreverse nowriteback
set trange [ -3.14159 : 3.14159 ] noreverse nowriteback
set xlabel "Azimuth" 
set xrange [ -220.000 : 220.000 ] noreverse nowriteback
set ylabel "dBSM" 
set yrange [ -220.000 : 220.000 ] noreverse nowriteback
tv(t,r) = sin(t)/(1+r)
tu(t,r) = (cos(t) +r)/(1+r)
cu(t,x) = 1 + cos(t)/x
cv(t,x) = (1+ sin(t))/x
GPFUN_tv = "tv(t,r) = sin(t)/(1+r)"
GPFUN_tu = "tu(t,r) = (cos(t) +r)/(1+r)"
GPFUN_cu = "cu(t,x) = 1 + cos(t)/x"
GPFUN_cv = "cv(t,x) = (1+ sin(t))/x"
plot "-" using 1:5,"-"