Measurement technique in radio frequency interference (RFI) study for radio astronomy purposes = [Teknik pengukuran dalam kajian gangguan interferen radio (RFI) bagi tujuan astrono... by Umar, R., Sabri, N.H., Ibrahim, Z.A., Abidin, Z.Z., Muhamad, A.

Implementation of Frequency Drift for Identification of Solar Radio Burst Type II by Afandi, N.Z.M., Abidin, Z.Z., Umar, R., Sabri, N.H., Ibrahim, Z.A., Monstein, C.

Determination of Radio Environmental Level in Hydrogen (HI) Band Spectrum by using Kurtosis Analysis by Zafar, S.N.A.S., Umar, R., Sabri, N.H., Ibrahim, Z.A., Kamarudin, M.K.A., Endut, A.

Radio frequency interference: The study of rain effect on radio signal attenuation = [Interferens frekuensi radio: Kajian kesan hujan pada pengecilan isyarat radio] by Umar, R., Sulan, S.S., Azlan, A.W., Ibrahim, Z.A., Wan Mokhtar, W.Z.A., Sabri, N.H.

Preliminary study of radio astronomical lines effect of rain below 2.9 GHZ by Umar, R., Sabri, N.H., Abidin, Z.Z., Ibrahim, Z.A., Azid, A., Juahir, H., Toriman, M.E., Kamarudin, M.K.A.