Here is a link to the audio and slide presentation that Dave, KK6DF gave at the March 2014 meeting. "Terrain Assessment - Using HFTA and MicroDEM." A case study using HFTA and MicroDEM from the ARRL Antenna Handbook to do Terrain Assessment for HF DXCC. http://www.youtube.com/watch?v=4-1MAph9j9I&feature=youtu.be
Outpost Packet Message Manager Outpost is a Windows-based packet message client that lets you send and receive packet messages with almost any Amateur Radio Bulletin Board System (BBS) or TNC Personal Mail Box.
http://hamwaves.com/cl-ocfd/en/index.html A very good discussion of how an Off-Center-Fed Dipole works. His center loading is only to make 80m work better and to get 30m, otherwise excellent information with references.
Balun Designs High quality baluns and ununs at reasonable prices.
TeraTerm - General-purpose serial and TCPIP/Telnet terminal program. A good replacement for HyperTerm included with previous versions of Windows. Available from multiple sources.