PC = Polar Cap
AZ = Aurora Zone
ML = Middle Lattitude
LL = Low Latitude
EQ = Equator
*****  CD 1
PC      Dumont Durville         DRV             -66.7           140.0
AZ      Barrow                  BRW              71.4           203.7
AZ      Cape Chelyuskin         CCS              77.7           104.3
AZ      Cape Wellen             CWE              66.2           190.2   
AZ      College                 CMO              64.9           212.2
AZ      Fort Simpson*           FSP              61.8           238.8
AZ      Leirvogur               LRV              64.2           338.3
AZ      Lerwick                 LER              60.1           358.8
AZ      Murmansk                MMK              69.0            33.0
AZ      Tixie Bay               TIK              71.6           129.0
ML      Amserdam Is.            AMS             -37.8            77.6
ML      Arti                    ARS              56.4            58.6
ML      Ashkabad                ASH              38.0            58.1
ML      Bay St. Louis           BSL              30.4           270.6
ML      Boulder                 BOU              40.1           254.8
ML      Canberra                CAN             -35.3           149.4
ML      Crozet                  CZT             -46.4            51.9
ML      Fredricksburg           FRD              38.2           282.6 
ML      Hartebeesthoek          HBK             -25.9            27.7
ML      Hartland                HAD              51.0           355.5
ML      Hermanus                HER             -34.4            19.2
ML      Kakioka                 KAK              36.2           140.2
ML      Magadan                 MGD              60.1           151.0
ML      Minsk                   MNK              54.5            27.9
ML      Petropavlovsk           PET              52.9           158.4
ML      San Juan                SJG              18.1           293.8
ML      Tbilisi                 TFS              41.7            44.8
ML      Tucson                  TUC              32.2           249.2
LL      Honolulu                HON              21.3           202.0
LL      Lunping                 LNP              25.0           121.2
LL      Pamatai                 PPT             -17.6           210.4
EQ      Guam                    GUA              13.6           144.9   
***** CD 2
PC      Baker Lake              BLC              64.3           264.0
PC      Dumont Durville         DRV             -66.7           140.0
AZ      Barrow                  BRW              71.4           203.7
AZ      College                 CMO              64.9           212.2
AZ      Fort Churchill          FCC              58.8           265.9
AZ      Fort Simpson*           FSP              61.7           238.8
AZ      Leirvogur               LRV              64.2           338.3
AZ      Lerwick                 LER              60.1           358.8
AZ      Meanook                 MEA              54.6           246.7
AZ      Ottawa                  OTT              45.4           284.4
AZ      Port-Aux-Fran.          PAF             -49.4            70.2
AZ      Poste Baleine           PBQ              55.3           282.2
AZ      Poste Baleine           PDB              55.3           282.2
AZ      Tixie Bay               TIK              71.6           129.0
AZ      Yellowknife             YKC              62.4           245.5
ML      Amserdam Is.            AMS             -37.8            77.6
ML      Bay St. Louis           BSL              30.4           270.6
ML      Boulder                 BOU              40.1           254.8
ML      Canberra                CAN             -35.3           149.4
ML      Crozet                  CZT             -46.4            51.9
ML      Fredricksburg           FRD              38.2           282.6 
ML      HartLand                HAD              51.0           355.5
ML      Kakioka                 KAK              36.2           140.2
ML      San Juan                SJG              18.1           293.8
ML      St Johns                STJ              47.6           307.3
ML      Tucson                  TUC              32.2           249.2
LL      Honolulu                HON              21.3           202.0
LL      Lunping                 LNP              25.0           121.2
EQ      Guam                    GUA              13.6           144.9