02027oam 2200529 450 991070429660332120160105095556.0(CKB)5470000002438704(OCoLC)704463266(OCoLC)995470000002438704(EXLCZ)99547000000243870420110301d1975 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierHigh-latitude supplement to the URSI handbook on ionogram interpretation and reduction /by W.R. PiggottBoulder, Colorado :World Data Center A for Solar-Terrestrial Physics,1975.1 online resource (viii, 292 pages) chiefly illustrationsWorld Data Center A for Solar-Terrestrial Physics. Report UAG ;50"October 1975."Supplement to the 2d edition of the URSI handbook of ionogram interpretation and reduction (World Data Center A for Solar-Terrestrial Physics. Report UAG-23).Title from title screen (viewed January 5, 2016).Includes bibliographical references (page 10).Ionospheric forecastingCharts, diagrams, etcIonosphereResearchHandbooks, manuals, etcIonospheric forecastingfastCharts, diagrams, etc.fastHandbooks and manuals.lcgftIonospheric forecastingIonosphereResearchIonospheric forecasting.Piggott W. R.1397509World Data Center A for Solar-Terrestrial Physics,International Union of Radio Science.OCLCEOCLCEOCLCQOCLCFOCLCQOCLCOGPOBOOK9910704296603321High-latitude supplement to the URSI handbook on ionogram interpretation and reduction3459260UNINA