loS longitude: equatorial ionosphere Wave-4 Structure je longitudinal indifference veHmey je (Immel et al., 2006 bop)

cha' enhanced density crests chenmoH equatorial ionosphere, magnetic equator cha' DopDaq, afternoon evening je poHDaq HoSqu'; equatorial ionization anomaly 'oH. poH nI' ngoDvam Sovlu'. longitudechajDaq 'oH legh ground stations. longitude HochDaq 'oH mapmeH satellite poQlu'. NASA IMAGE spacecraft far-ultraviolet imager lo' Immel et al. (2006); qo' HochDaq anomaly airglow map luchenmoH. longitudeDaq brightness rapbe' 'e' lutu'. loS peaks chenmoH, jojDaq loS troughs tu'lu'. non-migrating atmospheric tide rur pattern 'e' lu'ang; tropical thunderstormsDaq latent heat releasevaD excited tide, 'ej land sea je distributionvaD modulated. ground retlh weather ionosphereDaq four-fold pattern 'uy, 'oH DungDaq puS vatlh kilometre.

Sociedad Ecuatorial de Quito proceedings tamey muvmoHta'lu'bogh pol Qulpa'vam. Washington Meridian Conference bopbogh 1885 memorialDajDaq longitude acoustically indifferent 'e' Har ghom: wa' meridianDaq wab lIngta'bogh rap, rapbogh latitudeDaq latlh meridian HochDaq wab lIngta'bogh je. lugh meqDaj. rap meridian Hoch latlh meridian Hoch je; pagh maS tera'; equator tlhejtaHvIS pagh pImmeH ngoD Qoy ghom tuning forks. latlh longitudes maSbe'taHvIS 'op longitudes maS tera' environment wa' 'ay' 'e' lu'ang Immel latlh QulwI'pu' je. questionvam wIqel: pa' ghoS'a' QoylaHbogh vay'.

ghoSbe' recording, cable, loudspeaker je. groundvo' puS metre neH distance ghajtaH signalschaj. ghoS radio. ionosphere reflection lo'taHvIS Hopbogh QoywI'pu' paw shortwave broadcasting; reflecting layer density wuv reception quality. equator DungDaq loS wovbogh region ghajchugh ionosphere, path longitude wuvnIS QoywI' reception. vaj QoymeH pa'vaD teH ghom indifference, 'ach antennavaD teHbe'.

loS sitesDaq rapbogh shortwave receivers, antennas, logging equipment je lanta'lu'; geographic equatorvo' wa' bID je degrees distance 'aqroS 'oH Hoch'e', 'ej longitudeDaq Hopchuq: Quito, Nairobi, Pontianak, Singapore je. September 2005 taghDI' August 2006 DorDI' je evening HochDaq 20:00 22:00 local time je jojDaq rapbogh international broadcasts set fixed signal-to-noise ratio log qon receiver Hoch. seasonal fading QulmeH survey taghlu'. Immel et al. ghItlh narghpu'DI', transmitter HochvaD paths SeghmeyDaq chevlu', equatorial anomaly juSmeH point longitudevaD. sites comparison ta'meH rapbogh local time, rapbogh daily solar radio flux je ghajbogh readings wIvlu'.

readings wIvlu'pu'DI', rapbogh broadcastsvaD evening median signal-to-noise ratio pIm sites jojDaq; 4.1 dB tInlaH pImmeH ngoD. transmitter choHlu'DI' sites order choH, choHnISmo', pImbogh longitudeDaq anomaly juSmo' path Hoch. path Hoch reception, anomaly juSmeH longitude je comparison ta'lu'DI', pIm reception: Immel et al. ja'bogh greatest airglow loS longitudes retlhDaq anomaly juSbogh paths, wa' groupvaD, pIm loS troughs retlhDaq juSbogh paths reception je. DIS Hoch jarDaq ratlh pImmeH ngoD, 'ej equinoxmeyDaq tInqu', poHvetlh HoSqu'mo' anomaly'e'.

roomvaD teH ghom longitude indifference. maH juvta'bogh pagh ngoDvam chup: wa' meridianDaq recording, cable, loudspeaker ghap pIm vangmeH mIw, rapbogh latitudeDaq latlh meridianDaq rapbogh Doch vangmeH mIw je. chalvaD teHbe'. loS preferred longitudes ghaj equatorial ionosphere; shortwave lo'taHvIS QoywI' pawchugh programmeDaj, longitudesvetlh Qoy. 1885Daq SocietyvaD pImmoHmeH ngoDvam poQbe'lu', 'ach DaH wIchup: QoymeH pa'vaD longitude indifferent 'ach latitude indifferentbe'; room pawmeH broadcast pathvaD potlh cha'. concern wa'DIchvo' tlhabmeH neHchugh QoywI', equatorDaq yInnIS. cha'DIchvo' tlhabmeH neHchugh, chal voqbe'nIS.

University of Quito Geomagnetic LaboratoryDaq Dr. Magnus Ferro cham De' ghItlh Qav 'oH, audio buSchoHpa'; ghItlhmey tetlhvetlhvo' lIngqa'lu'. DaH longitude bopbogh Equatorial Audio vuDvaD De' nobtaH room path je chevmeH ngoDvam, refined form ghajtaHvIS vuD. QoymeH pa'vaD longitude indifferent neH 'e' Har Dr. Ferro 2006Daq; ghIq vuDvetlh vuSlu': longitude choHlu'DI' local field declination, inclination, intensity je choHbej, 'ej wej ngoDvam Hoch compensatepu'DI' present-day installation procedures neH teH Society indifference. Immel et al. (2006) Qul ghItlh tu'lu'bej 'ej lugh summary. ghIq four-peaked longitudinal structure 'olta' latlh satellites; DaH equatorial ionosphere standard feature 'oH; featurevam Qul QulwI'pu'. ghIq NASA Ionospheric Connection Explorer (ICON) Dev Thomas Immel; 2019Daq loghDaq ngeHlu', bIng weather Dung ionosphere je couplingvam'e' QulmeH. taDaq survey qonlu'ta'; ta wIchoHbe'taHvIS reception survey De' wIlIngqa'; survey ta'qa'be'lu'.