PCB Antenna dirrection?

Can someone please tell me which side of the PCB antenna should be facing outwards?

From my testing the non sticky side works better facing outward but then I’ve seen other peoples projects where they have the sticky side facing outwards.


Check this document: https://www.google.nl/url?sa=t&source=web&rct=j&url=http://www.cypress.com/file/136236/download&ved=0ahUKEwigv6zqg9DXAhUG2hoKHajzCUUQFghOMAo&usg=AOvVaw1HFpUQsAiUbyhCsJZJ1ls0