Out here in the greater Chicagoland area, we use the MB87's and MB100's (870Mhz and 1Ghz amps), and these have an "elevated elbow" to it in the lower left corner (port 3). If you want to flip these mods, you have to flip the housing too. I'll take pictures in the morning (too much Captain in me at 9:50pm to do it tonight).
It was then that Caroline remembered her kitchen back in Montana, with a stove that she might or might not have turned off, and so with a heavy sigh, she put down the penguin.
This is CABL.com posting #265592. Tiny Link: cabl.co/mbhfU