nrf9160 how to change UART pins

[CWallach]

Can the default UART pins on the nRF9160 be changed?  If yes, how?  

Thanks

[fatalfeel]

nRF Connect SDK 1.5.99 Nrf9160 uart port to external pin and source code share
fatalfeel.blogspot.com/.../nrf9160-uart-port-to-external-pin.html