Title	Buck-Buck/Boost Converter with High Input Power Factor and Non-Floating Output Voltage
Author	Abdul Hakeem Memon, Noor Nabi Shaikh, Mahesh Kumar, Zubair Ahmed Memon
Citation	Vol. 19  No. 4  pp. 299-304
Keywords	Total harmonic distortion (THD), buck converter, buck/boost converter, power factor (PF)

Title	Two Dimensional Natural Convection Heat Losses from Square Solar Cavity Receiver
Author	Hussain Saleem, Altaf H. Nizamani, Waseem Ahmed Bhutto, Abdul Majid Soomro, Muhammad Yousuf Soomro, Arrif Toufik
Citation	Vol. 19  No. 4  pp. 293-298
Keywords	Computational Fluid Dynamics Convective heat loss Nusselt number Solar cavity Solar concentrators

Title	Swarm of Unmanned Aerial Vehicles Communication Using 802.11g and 802.11n
Author	Haque Nawaz, Husnain Mansoor Ali, Mumtaz Hussain Mahar
Citation	Vol. 19  No. 4  pp. 289-292
Keywords	SWARM, UAV, UAVCN, OLSR, WLAN

Title	Subtropical anticyclone tracking using Principal Component Analysis
Author	Saqib Ur Rehman, Bilal Ahmed Usmani, Kamran Khan, Abdul Jamil Khan, Mustafain Ali, Absar Ahmed and Sara Ali
Citation	Vol. 19  No. 4  pp. 284-288
Keywords	Anticyclones High Pressure System Indian Ocean Principal Component Analysis