[RefData][ORI] Fixed a few POR: NRN, TWA, NAU, XIL, QSR, SJT.
 * NRN/Niederrhein-Weeze, Germany
 * TWA/Twin Hills, AK, USA
 * NAU/Napuka, PF
 * XIL/Xilinhot, China
 * QSR/Salerno, Italy
 * SJT/San Angelo, TX, USA