Found by Pleo from this website http://www.tobyscs.com/csgo-radar-settings/ and very useful

cl_radar_always_centered “0”
cl_radar_scale “0.3”
cl_hud_radar_scale “1.15”

cl_radar_icon_scale_min “1”
cl_radar_rotate “1”
cl_radar_square_with_scoreboard “1”