Forum member bobsgarage lives between Chicago and Milwaukee. He put up two masts, one for each direction, but the antennas were aimed in about the same direction when he took the photo. This is what the 30-2476 and the HDB91X look like up in the air.
Video for HDB91X assembly:
https://www.youtube.com/watch?v=fEnIbVxxKH4
This shows the tilt bracket. With the adjustment nut on this side of the boom, the front of the antenna can be tilted down. If you need to tilt the front of the antenna up, the adjustment nut should be on the other side of the boom.
