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Aristotle University Of Thessaloniki (AUTH)

ΣΥΜΒΟΛΗ ΣΤΗ ΜΕΛΕΤΗ ΤΗΣ ΕΠΙΔΡΑΣΗΣ ΤΗΣ ΑΤΜΟΣΦΑΙΡΙΚΗΣ ΔΙΑΘΛΑΣΗΣ ΚΑΤΑ ΤΗ ΧΡΗΣΗ ΡΑΔΙΟΚΥΜΑΤΩΝ ΣΤΙΣ ΣΥΓΧΡΟΝΕΣ ΓΕΩΔΑΙΤΙΚΕΣ ΜΕΘΟΔΟΥΣ ΜΕΤΡΗΣΕΩΝ ΜΕΓΑΛΩΝ ΑΠΟΣΤΑΣΕΩΝ

Abstract

dc:description

THE THREE MAIN EFFECTS OF THE ATMOSPHERE ON RADIOWAVE PROPAGATION ARE: ATTENUATION, TIME DELAY AND ANGULAR BENDING. THE TIME DELAY CAN BE SEPARATED INTO HYDROSTATIC AND WET DELAY. DEVELOPED HERE ARE MODELS FOR THE ZENTH WET DELAY ESTIMATION AND FOR THE ELEVATION DEPENDENCE OF THE HYDROSTATIC AND WET DELAY AND THE REFRACTION ANGLE. FOR THE DEVELOPMENT OF THESE MODELS (GLOBAL, SITE AND CLIMATE)RADIOSOUND DATA HAVE BEEN USED WHILE IN MODEL APPLICATION ONLY SURFACE METEROLOGICAL DATA ARE NEEDED. A SEPARATE STUDY HAS BEEN DONE FOR THE FIVE AVAILABLE MEDITERRANEAN STATIONS AND DEVELOPED ARE MODEL, (SITE AND CLIMATE) FOR USE ONLY IN THIS AREA.

Degree

thesis:*
Grantor dc:publisher
Aristotle University Of Thessaloniki (AUTH)
Year dc:date
1987

Author and committee

dc:creator, dc:contributor.*
Authors dc:creator
  • Υφαντής, Ιωάννης
  • Ifadis, Ioannis

Subjects

dc:subject × 17

Rights

Language dc:language
gre

Identifiers

dc:identifier.*
Identifier
10.12681/eadd/0741
OAI identifier oai:identifier
oai:10442/0741

Chain of custody

source
Harvested from
Greek National Archive of PhD Theses
Base URL
phdtheses.ekt.gr/eadd_oai/request
Last updated
2026-07-24
Source record
OAI-PMH GetRecord
citation

Υφαντής, Ιωάννης; Ifadis, Ioannis. ΣΥΜΒΟΛΗ ΣΤΗ ΜΕΛΕΤΗ ΤΗΣ ΕΠΙΔΡΑΣΗΣ ΤΗΣ ΑΤΜΟΣΦΑΙΡΙΚΗΣ ΔΙΑΘΛΑΣΗΣ ΚΑΤΑ ΤΗ ΧΡΗΣΗ ΡΑΔΙΟΚΥΜΑΤΩΝ ΣΤΙΣ ΣΥΓΧΡΟΝΕΣ ΓΕΩΔΑΙΤΙΚΕΣ ΜΕΘΟΔΟΥΣ ΜΕΤΡΗΣΕΩΝ ΜΕΓΑΛΩΝ ΑΠΟΣΤΑΣΕΩΝ. Aristotle University Of Thessaloniki (AUTH), 1987. http://hdl.handle.net/10442/hedi/0741