Prosiding Terindeks

malik r.a., abdullah m., abdullah s., homam m.j..  (2015).  the influence of sunspot number on high frequency radio propagation.  - 2014 ieee asia-pacific conference on applied electromagnetics, apace 2014 - proceeding.  107-110. 

malik r. a., abdullah m., abdullah s., homam m. j., yokoyama t., michi, n..  (2015).  ionospheric empirical model: initial approach to muf modeling in the malaysian region.  - proceeding of the 2015 international conference on space science and communication (iconspace), 10-12 august 2015, langkawi, malaysia.  252-255. 

ahmad faizal mohd. zain , sabirin bin abdullah and zeti akma rhazali.  (2013).  dermination of gyro frequency from critical frequency measurements over parit raja, malaysia.  - proceeding of the 2013 ieee international conference on space science and communication (iconspace). 

y.h. ho., s. abdullah, m. h. mokhtar.  (2013).  global positioning system (gps) positioning errors modeling using global ionospheric scintillation model (gism).  - proceeding of the 2013 ieee international conference on space science and communication (iconspace). 

kalaivani chellappan, sabirin abdullah.  (2013).  angkasa research knowledge organization system : a needs analysis study.  - proceeding of the 2013 ieee international conference on space science and communication (iconspace). 

sabirin abdullah, ahmad faizal mohd. zain.  (2012).  diurnal and seasonal variation of critical frequency in malaysia from 2005 to 2007.  - applied mechanics and materials.