Kesan perubahan TEC, profil ionosfera dan arah kedudukan stesen penerima terhadap ralat ionosfera isyarat GPS

by Mardina Abdullah, Siti Sarah Nik Zulkifli, Mahamod Ismail
Published 2011

Jumlah kandungan elektron sewaktu gangguan ionosfera bergerak di Parit Raja, Johor

by Mardina Abdullah, Dayang Azra Awang Mat, Ahmad Faizal Mohd Zain, Sabirin Abdullah, Asnawi, Siti Sarah Nik Zulkifli
Published 2010