Ionospheric Station AD651 ADAK AH223 AHMEDABAD AK539 AKITA ALJ82 ALERT AA343 ALMA ATA AM269 AMDERMA AN761 ANCHORAGE XG082 ARCTICA (NP-06) AFJ49 ARGENTIA NF AIJ6N ARGENTINE IS AZ163 ARKHANGELSK AS237 ASHKHABAD AT138 ATHENS AU63P AUCKLAND BF416 BAGUIO BL964 BAKER LAKE BW771 BARROW BP440 BEIJING BH148 BEKESCSABA BE145 BEOGRAD BJJ32 BERMUDA BGJ05 BOGOTA BM219 BOMBAY BC840 BOULDER BR52P BRISBANE BU147 BUDAPEST BAJ3M BUENOS AIRES BN102 BUNIA BD88_ BYRD STATION CU322 CALCUTTA CN53L CAMDEN CI65K CAMPBELL IS CB53N CANBERRA HT67K CAPE HALLETT CC929 CAPE KENNEDY CE669 CAPE SCHMIDT CT13M CAPETOWN CW46O CASEY CY90P CHICLAYO RL052 CHILTON CX452 CHITA 09429 CHONGQING GH64L CHRISTCHURCH CL424 CHUNG-LI CH958 CHURCHILL CS31K COCOS IS CO764 COLLEGE CPJ3O CONCEPCION DKA14 DAKAR DW41K DARWIN DV36Q DAVIS DT053 DE BILT DH328 DELHI DI373 DIKSON DJ111 DJIBOUTI DB049 DOURBES DS932 DYESS EG931 EGLIN AFB ELA7P ELLSWORTH EU980 EUREKA XC982 FLETCHERS ICE FMJ40 FORT MONMOUTH FR048 FREIBURG FBJ63 FROBISHER BAY GY042 GARCHY GV044 GENOVA GM037 GIBILMANNA GOJ69 GODHAVN GSJ53 GOOSEBAY GK156 GORKY GR13L GRAHAMSTOWN GB926 GRAND BAHAMA GZ146 GRAZ GU421 GUANGZHOU HBA7N HALLEY BAY HE13N HERMANUS HO54K HOBART HU91K HUANCAYO ILJ1P ILO IR352 IRKUTSK JI91J JICAMARCA JO12O JOHANNESBURG JUJ1N JULIACA JR055 JULIUSRUH/RUGEN KL154 KALININGRAD KR250 KARAGANDA KG24R KERGUELEN KB548 KHABAROVSK BT280 KHEYSA IS KV151 KIEV KI167 KIRUNA KO310 KODAIKANAL TO535 KOKUBUNJI LPJ1O LA PAZ LR22J LA REUNION LN047 LANNION LM42B LEARMONTH LD160 LENINGRAD LI050 LINDAU LE038 LISBONNE LA77Q LITTLE AMERICA LG178 LONGYEARBYEN LS168 LOPARSKAYA MM168 LOPARSKAYA LU165 LULEA LY164 LYCKSELE LE061 Lerwick MQ55M MACQUARIE IS MD313 MADRAS MG560 MAGADAN MN414 MANILA ML449 MANZHOULI MA720 MAUI MW26P MAWSON ME855 MEANOOK MZ152 MIEDZESZYN MHJ45 MILLSTONE HILL MO155 MOSCOW MU43K MUNDARING NQJ61 NARSSARSSUAQ NLA0N NATAL NC136 NICOSIA NI63_ NORFOLK NO369 NORILSK NK246 NOVOKAZALINSK NS355 NOVOSIBIRSK NU159 NURMIJARVI OK426 OKINAWA SN437 OSAN OT945 OTTAWA OU012 OUAGADOUGOU PN909 PANAMA PMJ06 PARAMARIBO SC047 PARIS-SACLAY PK553 PETROPAVLOVSK TZ362 PODKAMENNAYA PA836 POINT ARGUELLO PT046 POITIERS PSJ5J PORT STANLEY PZ374 PREOBRAZHENIYA PD664 PROVIDENIYA BAY PQ052 PRUHONICE PRJ18 PUERTO RICO RA72J RAROTONGA RB974 RESOLUTE BAY RKA64 REYKJAVIK RO041 ROME RV149 ROSTOV SD266 SALEKHARD SR53M SALISBURY SSJ24 SAN SALVADOR VT139 SAN VITO SPJ2L SAO PAULO SZ045 SCHWARZENBURG SB67Q SCOTT BASE SU437 SEOUL SF144 SIMFEROPOL SI301 SINGAPORE SL051 SLOUGH SO166 SODANKYLA SQ143 SOFIA SGA5M SOUTH GEORGIA PO09_ SOUTH POLE UI057 SOUTH UIST SJJ47 ST JOHNS PE054 ST PETER-ORDING ST837 STANFORD SV256 SVERDLOVSK SW16R SYOWA BASE TT71P TAHITI TP424 TAIPEI TA90M TALARA TQ241 TASHKENT TB142 TBILISI DU56O TERRE ADELIE THJ77 THULE/QANAQ TX471 TIKSI BAY TI311 TIRUCHIRAPALLI TK356 TOMSK EB040 TORTOSA TV51R TOWNSVILLE TWJ4L TRELEW TM308 TRIVANDRUM TR169 TROMSO TUJ2O TUCUMAN UP158 UPPSALA VA50L VANIMO VI848 VICTORIA VO47P VOSTOK WK545 WAKKANAI WP937 WALLOPS IS WA938 WASHINGTON WT43_ WATHEROO WE667 WELLEN WS832 WHITE SANDS WI949 WINNIPEG YA462 YAKUTSK YG431 YAMAGAWA YE862 YELLOWKNIFE