AU4919685A - Improvements in or relating to ionospheric sounding - Google Patents

Improvements in or relating to ionospheric sounding

Info

Publication number
AU4919685A
AU4919685A AU49196/85A AU4919685A AU4919685A AU 4919685 A AU4919685 A AU 4919685A AU 49196/85 A AU49196/85 A AU 49196/85A AU 4919685 A AU4919685 A AU 4919685A AU 4919685 A AU4919685 A AU 4919685A
Authority
AU
Australia
Prior art keywords
relating
ionospheric sounding
ionospheric
sounding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU49196/85A
Other versions
AU632279B2 (en
Inventor
Robert Graham Wilkinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qinetiq Ltd
Original Assignee
Qinetiq Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qinetiq Ltd filed Critical Qinetiq Ltd
Application granted granted Critical
Publication of AU632279B2 publication Critical patent/AU632279B2/en
Publication of AU4919685A publication Critical patent/AU4919685A/en
Assigned to QINETIQ LIMITED reassignment QINETIQ LIMITED Alteration of Name(s) in Register under S187 Assignors: SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND, THE
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

AU49196/85A 1984-10-30 1985-10-30 Improvements in or relating to ionospheric sounding Expired AU632279B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8427440 1984-10-30
GB8427440 1984-10-30

Publications (2)

Publication Number Publication Date
AU632279B2 AU632279B2 (en) 1992-12-24
AU4919685A true AU4919685A (en) 1992-12-24

Family

ID=10568986

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49196/85A Expired AU632279B2 (en) 1984-10-30 1985-10-30 Improvements in or relating to ionospheric sounding

Country Status (9)

Country Link
US (1) US5230076A (en)
AU (1) AU632279B2 (en)
CA (1) CA1333921C (en)
DE (1) DE3546469C2 (en)
FR (1) FR2714777B1 (en)
GB (1) GB2253971B (en)
IT (1) IT1235572B (en)
NL (1) NL192282C (en)
SE (1) SE469649B (en)

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KR100655210B1 (en) 2004-12-06 2006-12-08 삼성전자주식회사 Communication apparatus and method using ionosphere
US7890821B2 (en) * 2007-10-04 2011-02-15 Veriwave, Inc. Channel impairment emulator systems and methods
US8189708B2 (en) * 2008-08-08 2012-05-29 The Boeing Company System and method for accurate downlink power control of composite QPSK modulated signals
WO2015013602A2 (en) * 2013-07-26 2015-01-29 Massachusetts Institute Of Technology Accurate timing distribution by high-frequency radio
RU2581627C2 (en) * 2014-05-21 2016-04-20 Открытое акционерное общество "Омский научно-исследовательский институт приборостроения" (ОАО "ОНИИП") Chirp ionosonde
US20160197669A1 (en) 2014-12-11 2016-07-07 Tesla Wireless Company LLC Communication method and system that uses low latency/low data bandwidth and high latency/high data bandwidth pathways
SG11201704796SA (en) * 2014-12-12 2017-07-28 Services Dev Company Llc Data transmission via a high frequency radio band
US9693330B1 (en) * 2015-07-30 2017-06-27 Rockwell Collins, Inc. Wideband high frequency based precision time transfer
SG11202110758UA (en) * 2017-10-03 2021-10-28 Skywave Networks Llc Method and system of preconditioning transmitted signals
WO2019070861A2 (en) 2017-10-04 2019-04-11 Skywave Networks Llc Handling signals received on paths with differing numbers of hops
CA3114583A1 (en) 2017-10-04 2019-04-11 Skywave Networks Llc Technique for selecting the best frequency for transmission based on changing atmospheric conditions
CN111566951A (en) 2017-10-25 2020-08-21 天波网络有限责任公司 Fuzzy logic for processing transfer metadata
RU2685245C1 (en) * 2018-03-19 2019-04-17 Акционерное общество "Научно-производственное предприятие "Полет" Apparatus for analyzing and selecting optimum aviation decametric radio channels using linear fm signals
US11047967B2 (en) * 2018-07-12 2021-06-29 Southwest Research Institute Removal of directwave high frequency signal for ionospheric sounder return processing
FR3084489B1 (en) * 2018-07-26 2020-09-11 Etat Francais Represente Par Le Delegue General Pour Larmement PROCESS FOR DETECTION OF AT LEAST ONE COMPUTER EQUIPMENT COMPROMISED WITHIN AN INFORMATION SYSTEM
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CN114545357B (en) * 2022-04-25 2022-07-19 武汉大学 Ionosphere Es layer high-resolution vertical detection method based on cross-spectral analysis

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