00359nam a22001097a 4500082001000000100001900010245010000029260003600129300001900165650004400184700002100228  a621.3  aAhmad, Mansoor  aValidation of International Prediction Models for HF Communication in Pakistan /cMansoor Ahmad  aIslamabad :bMCS - NUST,c2014.  a86 p. ;c30cm.  aTelecommunication Engineering-MS-Thesis  aDr. Imran Rashid