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D.Venkata Ratnam
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D.Venkata Ratnam
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D.Venkata Ratnam
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1
Estimation and analysis of user IPP delays using bilinear model for satellite-based augmented navigation systems
by
D
.
Venkata
Ratnam
Published 2013-07-01
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Article
2
Determination of NavIC differential code biases using GPS and NavIC observations
by
K. Siva Krishna
,
D
.
Venkata
Ratnam
Published 2020-03-01
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Article
3
Generation of Regional Ionospheric TEC Maps With EIA Nowcasting/Forecasting Capability During Geomagnetic Storm Conditions
by
P. Babu Sree Harsha
,
D
.
Venkata
Ratnam
Published 2020-01-01
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Article
4
Ionospheric Gradients Estimation and Analysis of S-Band Navigation Signals for NAVIC System
by
D
.
Venkata
Ratnam
,
T. Raghavendra Vishnu
,
P. Babu Sree Harsha
Published 2018-01-01
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Article
5
Modelling of ionospheric time delays based on adjusted spherical harmonic analysis
by
J R K Kumar Dabbakuti
,
D
.
Venkata
Ratnam
,
Surendra Sunda
Published 2016-04-01
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Article
6
Ionospheric forecasting model using fuzzy logic-based gradient descent method
by
D
.
Venkata
Ratnam
,
G. Vindhya
,
J.R.K. Kumar Dabbakuti
Published 2017-09-01
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Article
7
Ionospheric time delay corrections based on the extended single layer model over low latitude region
by
Sahithi Karanam
,
D
.
Venkata
Ratnam
,
J.R.K. Kumar Dabbakuti
Published 2019-05-01
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Article
8
A New Ionospheric Model for Single Frequency GNSS User Applications Using Klobuchar Model Driven by Auto Regressive Moving Average (SAKARMA) Method Over Indian Region
by
I. Lakshmi Mallika
,
D
.
Venkata
Ratnam
,
Saravana Raman
,
Gampala Sivavaraprasad
Published 2020-01-01
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Article
9
Characteristics of ionospheric scintillation climatology over Indian low-latitude region during the 24th solar maximum period
by
K. Sahithi
,
M. Sridhar
,
Sarat K. Kotamraju
,
K.Ch. Sri Kavya
,
G. Sivavaraprasad
,
D.Venkata
Ratnam
,
Ch. Deepthi
Published 2019-03-01
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Article
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