{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,26]],"date-time":"2025-11-26T16:29:04Z","timestamp":1764174544498,"version":"3.37.3"},"reference-count":57,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"12","license":[{"start":{"date-parts":[[2018,12,1]],"date-time":"2018-12-01T00:00:00Z","timestamp":1543622400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2018,12,1]],"date-time":"2018-12-01T00:00:00Z","timestamp":1543622400000},"content-version":"am","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2018,12,1]],"date-time":"2018-12-01T00:00:00Z","timestamp":1543622400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2018,12,1]],"date-time":"2018-12-01T00:00:00Z","timestamp":1543622400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"name":"NASA Cryopshere Program"},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"name":"JPL SURP Program"},{"name":"NASA Cryospheric Sciences"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Geosci. Remote Sensing"],"published-print":{"date-parts":[[2018,12]]},"DOI":"10.1109\/tgrs.2018.2850662","type":"journal-article","created":{"date-parts":[[2018,7,24]],"date-time":"2018-07-24T20:25:24Z","timestamp":1532463924000},"page":"7338-7349","source":"Crossref","is-referenced-by-count":23,"title":["<italic>In Situ<\/italic> Demonstration of a Passive Radio Sounding Approach Using the Sun for Echo Detection"],"prefix":"10.1109","volume":"56","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2527-8271","authenticated-orcid":false,"given":"Sean T.","family":"Peters","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1916-3929","authenticated-orcid":false,"given":"Dustin M.","family":"Schroeder","sequence":"additional","affiliation":[]},{"given":"Davide","family":"Castelletti","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2119-2083","authenticated-orcid":false,"given":"Mark","family":"Haynes","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4992-4162","authenticated-orcid":false,"given":"Andrew","family":"Romero-Wolf","sequence":"additional","affiliation":[]}],"member":"263","reference":[{"doi-asserted-by":"publisher","key":"ref39","DOI":"10.1016\/j.pss.2016.05.008"},{"doi-asserted-by":"publisher","key":"ref38","DOI":"10.1049\/ip-rsn:20045077"},{"doi-asserted-by":"publisher","key":"ref33","DOI":"10.1016\/j.icarus.2014.10.043"},{"doi-asserted-by":"publisher","key":"ref32","DOI":"10.1016\/j.pss.2016.10.007"},{"doi-asserted-by":"publisher","key":"ref31","DOI":"10.3189\/172756506781828502"},{"doi-asserted-by":"publisher","key":"ref30","DOI":"10.1049\/iet-rsn.2013.0053"},{"year":"2017","author":"griffiths","journal-title":"An Introduction to Passive Radar","key":"ref37"},{"doi-asserted-by":"publisher","key":"ref36","DOI":"10.1029\/2009GL039430"},{"doi-asserted-by":"publisher","key":"ref35","DOI":"10.1029\/2001GL013815"},{"doi-asserted-by":"publisher","key":"ref34","DOI":"10.1016\/j.pss.2016.06.010"},{"doi-asserted-by":"publisher","key":"ref28","DOI":"10.1002\/2013GL058616"},{"doi-asserted-by":"publisher","key":"ref27","DOI":"10.1038\/nature05430"},{"doi-asserted-by":"publisher","key":"ref29","DOI":"10.1029\/2001GL014618"},{"year":"1983","author":"bogorodskii","journal-title":"Radioglaciology","key":"ref2"},{"doi-asserted-by":"publisher","key":"ref1","DOI":"10.1098\/rstb.1977.0081"},{"doi-asserted-by":"publisher","key":"ref20","DOI":"10.1017\/S0022143000002434"},{"doi-asserted-by":"publisher","key":"ref22","DOI":"10.3189\/172756403781816310"},{"doi-asserted-by":"publisher","key":"ref21","DOI":"10.3189\/172756500781833467"},{"doi-asserted-by":"publisher","key":"ref24","DOI":"10.1190\/geo2015-0122.1"},{"doi-asserted-by":"publisher","key":"ref23","DOI":"10.3189\/172756409789097504"},{"doi-asserted-by":"publisher","key":"ref26","DOI":"10.1002\/2014GL061836"},{"doi-asserted-by":"publisher","key":"ref25","DOI":"10.1002\/2013GL059069"},{"year":"2016","author":"dark","article-title":"Spectral stitching method to increase instantaneous bandwidth in vector signal generators","key":"ref50"},{"doi-asserted-by":"publisher","key":"ref51","DOI":"10.1109\/MAES.2012.6373910"},{"doi-asserted-by":"publisher","key":"ref57","DOI":"10.1109\/ICASSP.1983.1172264"},{"year":"2017","journal-title":"Sun Position 2009–2018","key":"ref56"},{"doi-asserted-by":"publisher","key":"ref55","DOI":"10.1016\/j.icarus.2016.08.014"},{"doi-asserted-by":"publisher","key":"ref54","DOI":"10.1017\/jog.2016.100"},{"key":"ref53","first-page":"11","article-title":"Low frequency observations of the quiet sun: A review","volume":"479","author":"lantos","year":"1999","journal-title":"Proc Nobeyama Symp Solar Phys Radio Observ"},{"doi-asserted-by":"publisher","key":"ref52","DOI":"10.1049\/SBRA021E"},{"doi-asserted-by":"publisher","key":"ref10","DOI":"10.1016\/j.pss.2014.07.018"},{"doi-asserted-by":"publisher","key":"ref11","DOI":"10.1038\/361526a0"},{"doi-asserted-by":"publisher","key":"ref40","DOI":"10.1016\/j.pss.2011.06.012"},{"doi-asserted-by":"publisher","key":"ref12","DOI":"10.1038\/27883"},{"doi-asserted-by":"publisher","key":"ref13","DOI":"10.1016\/j.gloplacha.2004.09.008"},{"doi-asserted-by":"publisher","key":"ref14","DOI":"10.1016\/j.quascirev.2008.10.014"},{"doi-asserted-by":"publisher","key":"ref15","DOI":"10.1002\/2014GL061645"},{"doi-asserted-by":"publisher","key":"ref16","DOI":"10.3189\/2014JoG13J200"},{"doi-asserted-by":"publisher","key":"ref17","DOI":"10.5194\/tc-11-1247-2017"},{"doi-asserted-by":"publisher","key":"ref18","DOI":"10.1073\/pnas.1405184111"},{"doi-asserted-by":"publisher","key":"ref19","DOI":"10.1126\/science.1065370"},{"doi-asserted-by":"publisher","key":"ref4","DOI":"10.1177\/030913330102500203"},{"doi-asserted-by":"publisher","key":"ref3","DOI":"10.1088\/0034-4885\/67\/10\/R03"},{"doi-asserted-by":"publisher","key":"ref6","DOI":"10.1016\/S0921-8181(02)00128-5"},{"doi-asserted-by":"publisher","key":"ref5","DOI":"10.1038\/245251a0"},{"doi-asserted-by":"publisher","key":"ref8","DOI":"10.3189\/002214308784409107"},{"doi-asserted-by":"publisher","key":"ref7","DOI":"10.1029\/2004JB003222"},{"key":"ref49","first-page":"448","article-title":"A survey of sampling from contaminated distributions","author":"tukey","year":"1960","journal-title":"Contributions to Probability and Statistics Essays in Honor of Harold Hotelling"},{"doi-asserted-by":"publisher","key":"ref9","DOI":"10.1073\/pnas.1302828110"},{"doi-asserted-by":"publisher","key":"ref46","DOI":"10.1038\/212910a0"},{"year":"2001","author":"hecht","journal-title":"Optics","key":"ref45"},{"doi-asserted-by":"publisher","key":"ref48","DOI":"10.1051\/0004-6361:20011166"},{"key":"ref47","doi-asserted-by":"crossref","DOI":"10.1051\/0004-6361\/201630067","article-title":"LOFAR observations of the quiet solar corona","volume":"614","author":"vocks","year":"2018","journal-title":"Astron Astrophys"},{"doi-asserted-by":"publisher","key":"ref42","DOI":"10.1038\/164101b0"},{"doi-asserted-by":"publisher","key":"ref41","DOI":"10.1098\/rspa.1947.0081"},{"doi-asserted-by":"publisher","key":"ref44","DOI":"10.1071\/PH530420"},{"doi-asserted-by":"publisher","key":"ref43","DOI":"10.1071\/CH9500234"}],"container-title":["IEEE Transactions on Geoscience and Remote Sensing"],"original-title":[],"link":[{"URL":"https:\/\/ieeexplore.ieee.org\/ielaam\/36\/8543338\/8418789-aam.pdf","content-type":"application\/pdf","content-version":"am","intended-application":"syndication"},{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/36\/8543338\/08418789.pdf?arnumber=8418789","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,4,8]],"date-time":"2022-04-08T18:47:53Z","timestamp":1649443673000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/8418789\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,12]]},"references-count":57,"journal-issue":{"issue":"12"},"URL":"https:\/\/doi.org\/10.1109\/tgrs.2018.2850662","relation":{},"ISSN":["0196-2892","1558-0644"],"issn-type":[{"type":"print","value":"0196-2892"},{"type":"electronic","value":"1558-0644"}],"subject":[],"published":{"date-parts":[[2018,12]]}}}