3D Robotics GPS Module Antenna Mount

I recently bought a Pixhawk flight controller with GPS module. The GPS module kit doesn't come with an antenna mounting system (though you can buy one separately). Thought I'd try to design something simple and replaceable myself.
This design consists of a tray for the GPS module (with a tight fit) with rubber-bound cleats and two mounting sockets (one to connect to the multi-rotor frame and the other to the GPS module tray). The top mounting socket is secured by the same rubber-band that k