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Record #173715:

The second order refraction effects for GPS signals propagation in ionosphere / A. Prokopov, A. Zanimonska.

Title: The second order refraction effects for GPS signals propagation in ionosphere / A. Prokopov, A. Zanimonska.
Author(s): Prokopov, A.
Zanimonska, A.
Date: 2005.
In: SCAR Report. (2005.), Vol. 23 (2005)
Abstract: Examines instrumental, model, and combined instrumental and model approaches to problems of modelling and elimination of second order ionospheric errors in measuring direction of radio signals received by satellites. Existing dual-frequency methods use measuring equation obtained on assumption that signals with different frequencies propagate along same rectified trajectory, and do not take account of refractive effects of spatial separation of ray paths with different carrier frequencies and their refractive lengthening due to bending. Influence of Earth's magnetic field may also be neglected. Total residual error caused by such second order effects can be several cm at high values of electron concentration on big zenith angles. Refractive effect is considerably reduced by method of error calculation incorporating total electron content (TEC) and zenith angle.
Notes:

SCAR Report. Vol. 23 :25-28 (2005).

Keywords: 528 -- Geodesy.
528.061 -- Surveying, correction and reduction of measurements.
528.061.2 -- Surveying, refractive errors.
527.62 -- Navigation, determination of position.
519.673 -- Modelling.
550.385 -- Magnetic disturbances and variations.
551.510.535 -- Ionosphere.
629.783 -- Satellites.
621.396.8 -- Radio signals.
001.89 -- Research programmes: Geodetic Infrastructure of Antarctica (GIANT).
A -- Geophysical sciences (general).
(*7) -- Antarctic regions.
SPRI record no.: 173715

MARCXML

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100 1# ‡aProkopov, A.
245 14 ‡aThe second order refraction effects for GPS signals propagation in ionosphere /‡cA. Prokopov, A. Zanimonska.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2005.
300 ## ‡ap. 25-28 :‡bdiags.
500 ## ‡aSCAR Report. Vol. 23 :25-28 (2005).
520 3# ‡aExamines instrumental, model, and combined instrumental and model approaches to problems of modelling and elimination of second order ionospheric errors in measuring direction of radio signals received by satellites. Existing dual-frequency methods use measuring equation obtained on assumption that signals with different frequencies propagate along same rectified trajectory, and do not take account of refractive effects of spatial separation of ray paths with different carrier frequencies and their refractive lengthening due to bending. Influence of Earth's magnetic field may also be neglected. Total residual error caused by such second order effects can be several cm at high values of electron concentration on big zenith angles. Refractive effect is considerably reduced by method of error calculation incorporating total electron content (TEC) and zenith angle.
650 07 ‡a528 -- Geodesy.‡2udc
650 07 ‡a528.061 -- Surveying, correction and reduction of measurements.‡2udc
650 07 ‡a528.061.2 -- Surveying, refractive errors.‡2udc
650 07 ‡a527.62 -- Navigation, determination of position.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡a550.385 -- Magnetic disturbances and variations.‡2udc
650 07 ‡a551.510.535 -- Ionosphere.‡2udc
650 07 ‡a629.783 -- Satellites.‡2udc
650 07 ‡a621.396.8 -- Radio signals.‡2udc
650 07 ‡a001.89 -- Research programmes: Geodetic Infrastructure of Antarctica (GIANT).‡2udc
650 07 ‡aA -- Geophysical sciences (general).‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
700 1# ‡aZanimonska, A.
773 0# ‡7nnas ‡tSCAR Report. ‡gVol. 23 (2005) ‡wSPRI-84041
916 ## ‡a2005/11/18 -- HS
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20220928 ‡bHS