anchor.diff:  "Barter Island, AK ",BTI
   "Basco, Philippines ",BSO
   "Basel, Switzerland ",BSL
  -"Basel/Mulhouse Railway Station, Switzerland ",ZDH
   "Bashehr, Iran ",BUZ
   "Bastia, France ",BIA
   "Batam, Indonesia ",BTH
  
positive.code: "Qiqihar, China ",NDG
  "Qualicum, BC ",XQU
  "Quaqtaq, QC ",YQC
  "Quebec, QC - Charny Rail service ",YFZ
  "Quebec, QC - International Airport ",YQB
  "Quebec, QC - Levis Rail service ",XLK
  "Quebec, QC - Quebec Station Rail service ",XLJ
  "Quebec, QC - Sainte-Foy Rail service ",XFY
  "Queenstown, New Zealand ",ZQN
  "Quelimane, Mozambique ",UEL
  "Quepos, Costa Rica ",XQP
  
negative.code: "Saarbruecken, Germany ",QFZ
  "Sachigo Lake, ON ",ZPB
  "Sachs Harbour, NT ",YSY
  "Sacramento, CA ",SMF
  "Saginaw, MI ",MBS
  "Saint Cloud, MN ",STC
  "Saint Croix, U.S. Virgin Islands ",STX
  "Saint George Island, AK ",STG
  "Saint George, UT ",SGU
  "Saint John, NB ",YSJ
  "Saint Johns, NL ",YYT
  "Saint Leonard, NB ",YSL
  