About: Ionospheric sounding

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In telecommunication and radio science, an ionospheric sounding is a technique that provides real-time data on high-frequency ionospheric-dependent radio propagation, using a basic system consisting of a synchronized transmitter and receiver.

Attributes	Values
rdf:type	topical concept
rdfs:label	Ionospheric sounding (en)
rdfs:comment	In telecommunication and radio science, an ionospheric sounding is a technique that provides real-time data on high-frequency ionospheric-dependent radio propagation, using a basic system consisting of a synchronized transmitter and receiver. (en)
dct:subject	Ionosphere Radio frequency propagation
Wikipage page ID	41290 (xsd:integer)
Wikipage revision ID	1054908885 (xsd:integer)
Link from a Wikipage to another Wikipage	Propagation delay Ionosphere Frequency Critical frequency Time Transmission (telecommunications) Data Radio frequency propagation Kennelly–Heaviside layer Radio propagation Ionosphere Information and communications technology System Ionogram Radio science Ionospheric layer Edward V. Appleton Signalling (telecommunication) High-frequency
sameAs	Ionospheric sounding Ionospheric sounding Ionospheric sounding Ionospheric sounding
dbp:wikiPageUsesTemplate	dbt:Inline dbt:Radio-comm-stub dbt:FS1037C
has abstract	In telecommunication and radio science, an ionospheric sounding is a technique that provides real-time data on high-frequency ionospheric-dependent radio propagation, using a basic system consisting of a synchronized transmitter and receiver. The time delay between transmission and reception is translated into effective ionospheric layer altitude. Vertical incident sounding uses a collocated transmitter and receiver and involves directing a range of frequencies vertically to the ionosphere and measuring the values of the reflected returned signals to determine the effective ionosphere layer altitude. This technique is also used to determine the critical frequency. Oblique sounders use a transmitter at one end of a given propagation path, and a synchronized receiver, usually with an oscilloscope-type display (ionogram), at the other end. The transmitter emits a stepped- or swept-frequency signal which is displayed or measured at the receiver. The measurement converts time delay to effective altitude of the ionospheric layer. The ionogram display shows the effective altitude of the ionospheric layer as a function of frequency. (en)
gold:hypernym	Technique
prov:wasDerivedFrom	wikipedia-en:Ionospheric_sounding?oldid=1054908885&ns=0
page length (characters) of wiki page	1506 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Ionospheric_sounding
is Link from a Wikipage to another Wikipage of	Index of meteorology articles Index of radio propagation articles Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing International Reference Ionosphere Geomagnetic storm High-frequency Active Auroral Research Program Polish Polar Station, Hornsund Kodaikanal Solar Observatory
is foaf:primaryTopic of	wikipedia-en:Ionospheric_sounding

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