| File Name | Size | Date | |
 | Ham_Radio_Terms_2004.pdf | 84 KB | 6/2/2004 |
 | Introduction_To_Radio_Communications_2004.txt | 12 KB | 1/26/2004 |
| Navy_EE_Training_Series_Wave_Propagation_Antennas_2004.pdf | 2466 KB | 6/3/2004 |
| NTIA_Manual_2004.pdf | 41216 KB | 6/14/2004 |
| Phone_Line_As_Sw_Antenna_2004.txt | 7 KB | 2/9/2010 |
| Q-Signal_Abbreviations_1999+.txt | 6 KB | 3/11/2010 |
| Short_Wave_1993.txt | 2 KB | 2/9/2010 |
 | Smith_Chart_Graph_Paper_2004.gif | 257 KB | 9/15/2004 |
| Tactical_Communications_Procedures_2004.pdf | 32 KB | 9/9/2004 |
| Under_Ground_Communications_2001.txt | 4 KB | 9/21/2001 |
