PI6ZTM antennas at 66 meters altitude

This is a picture taken from the top of the "Blankaard". On top of this building is the location of the antennas of the ATV repeater PI6ZTM in Zoetermeer. At an altitude of 66 meter it provides an excellent overview of the surrounding area.
My attention was attracted by the horizontal polarized 23 cm 4 x double-quad antenna (the white box in the middle). It is good to see this 23cm antenna setup which made reception of my small 1255 MHz ATV signal possible.

All tech details can be found here:
http://www.pi6ztm.nl/index.php/technische-informatie