A bizarre experience. I did some minor adjustments to the UHF YAGI antenna earlier, making it more sturdy and changing the connector to BNC. After finalizing the upgrade, I want to test it in front of my studio, to confirm that I have connected the new connector correctly. After setting up quickly I start scanning the sky for signals. At first I do not find any satellite transmissions, but then something odd happens. While pointing the antenna towards the building, the signals suddenly start to appear in the spectrum. It is as if the walls are emitting the sounds. I take my setup to the position at the wall where I speculate the emissions are coming from and try scanning from there. Perhaps these are reflections? Scanning the sky from there in all directions, and nothing to be found.