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: KCIC,Chico,California
  KCID,Cedar Rapids,Iowa
  KCIU,Sault Ste. Marie,Michigan
  KCKB,Clarksburg,West virginia
  KCLE,Cleveland,Ohio
  KCLL,College Station,Texas
  KCLM,Port Angeles,Washington
  
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
  