anchor.diff:  KEUG,Eugene,Oregon
   KEVV,Evansville,Indiana
   KEWN,New Bern,North Carolina
  -KEWR,Newark,New jersey
  +KEWR,Newark,New Jersey
   KEYW,Key West,Florida
   KFAR,Fargo,North Dakota
   KFAT,Fresno,California
  
positive.code: KLRD,Laredo,Texas
  KLSE,La Crosse,Wisconsin
  KLUK,Cincinnati,Ohio
  KLWB,Lewisburg,West virginia
  KLWS,Lewiston,Idaho
  KLYH,Lynchburg,Virginia
  KMAF,Midland,Texas
  
negative.code: KACK,Nantucket,Massachusetts
  KACT,Waco,Texas
  KACV,Arcata/Eureka,California
  KACY,Atlantic City,New Jersey
  KAEX,Alexandria,Louisiana
  KAGS,Augusta,Georgia
  KALB,Albany,New York
  