this is the top of my variant of the OEVSV (Austrian Ham Radio Club) NVIS Antenna.
it will fit in a 110mm canaltube and is secured with 6 screws int that tube.
it has 9 holes on top where you can put the radiators and mounting strings.
the inside has a hole where you can put the mast in.
the manual and the discription i build this antenna can be found here:
http://www.oevsv.at/export/shared/.content/.galleries/Downloads_Referate/Notfunk-Referat-Downloads/NVIS-Set_Beschreibung.pdf
if you decide to rebuild this antenna you can also have a look on my wire isolators and wire wires. they are very helpfull with this antenna.
DISCLAMER:
i have just rebuild this antenna. i have not came up with the idea of that antenna. i just draw the top cap and want to share it.
the names and credits of this antenna can be found in the named pdf file from the top.
The author marked this model as their own original creation.