Solar activity variability in the IRI at high latitudes: Comparisons with GPS total electron content

DR Themens, PT Jayachandran - Journal of Geophysical …, 2016‏ - Wiley Online Library
Total electron content (TEC) measurements from 10 dual‐frequency GPS receivers in the
Canadian High Arctic Ionospheric Network (CHAIN) are used to evaluate the performance of …

Assessment of IRI-2016 hmF2 model predictions with COSMIC observations over the African region

M Moses, D Bilitza, SK Panda, BJ Ochonugor - Advances in Space …, 2021‏ - Elsevier
With significant advancement in the climatological nature of the International Reference
Ionosphere (IRI) through a series of editions, the ionospheric community now focuses on …

Assessment of IRI and IRI‐Plas models over the African equatorial and low‐latitude region

SJ Adebiyi, IA Adimula, OA Oladipo… - Journal of Geophysical …, 2016‏ - Wiley Online Library
A reliable ionospheric specification by empirical models is important to mitigate the effects of
the ionosphere on the operations of satellite‐based positioning and navigation systems …

Variations in GNSS-/GPS-Measured Ionospheric TEC and Solar Wind Plasma Parameters During the Total Solar Eclipse of 09 March 2016

L Dagar, VK Soni, A Kumar - Journal of the Indian Society of Remote …, 2024‏ - Springer
The effect of total solar eclipse on ionospheric total electron contents (TECs) over the
ionospheric region of Indonesia was studied using GNSS-/GPS-based retrieved data …

Characterisation of GPS-TEC in the African equatorial and low latitude region and the regional evaluation of the IRI model

SJ Adebiyi, IA Adimula, OA Oladipo - Journal of Atmospheric and Solar …, 2016‏ - Elsevier
With the increasing application of Global Navigation Satellite System (GNSS) products and
services, knowledge of the Total Electron Content (TEC) variation is vital, particularly in …

Variability of Ionospheric TEC and the Performance of the IRI-2012 Model at the BJFS Station, China

S Li, L Li, J Peng - Acta Geophysica, 2016‏ - Springer
We studied variation characteristics of ionospheric total electron contents (TEC) and
performance of the International Reference Ionosphere (IRI)-2012 model in predicting TEC …

Ionospheric peak electron density and performance evaluation of IRI‐CCIR near magnetic equator in Africa during two extreme solar activities

BO Adebesin, AB Rabiu, OK Obrou… - Space Weather, 2018‏ - Wiley Online Library
The F 2 layer peak electron density (NmF 2) was investigated over Korhogo (Geomagnetic:
1.26° S, 67.38° E), a station near the magnetic equator in the African sector. Data for 1996 …

Performance evaluation of GIM‐TEC assimilation of the IRI‐Plas model at two equatorial stations in the American sector

SJ Adebiyi, BO Adebesin, SO Ikubanni… - Space …, 2017‏ - Wiley Online Library
Empirical models of the ionosphere, such as the International Reference Ionosphere (IRI)
model, play a vital role in evaluating the environmental effect on the operation of space …

Evaluation of the NeQuick model performance under different geomagnetic conditions over South Africa during the ascending phase of the solar cycle (2009–2012)

SM Ahoua, JB Habarulema, OK Obrou… - Annales …, 2018‏ - angeo.copernicus.org
In order to provide a scientific base to the NeQuick characterisation under disturbed
conditions, the comparison of its performance for quiet and storm days is investigated in the …

Storm time IRI-Plas model forecast for an African equatorial station

SJ Adebiyi, SO Ikubanni, BO Adebesin, JO Adeniyi… - Heliyon, 2019‏ - cell.com
The limitation of ionospheric models in describing short-term ionospheric events has led to
the development of data assimilative models eg the International Reference Ionosphere …