| Name | File Count | Description |
| ANT | 43 | Antennas |
| BBS | 42 | BBS Software |
| CIRCUIT | 9 | Circuits |
| CLUB | 7 | Clubs |
| CONTROL | 36 | Control Software |
| CW | 49 | CW |
| DX | 17 | DX |
| EXAM | 46 | Exam Assistance and Study Aids |
| FAX | 10 | FAX |
| FREQ | 84 | Frequency Lists and Databases |
| KENWOOD | 13 | Kenwood Mods, Repair, Control, and Notes |
| LOG | 66 | Logging |
| MATH | 38 | Math and Calculations |
| MISC | 237 | Misc. Programs |
| MODS | 44 | Modifications for Equipment |
| NEWS | 21 | News from the FCC (and others) |
| PACKET | 73 | Packet Radio |
| PK232 | 1 | PK-232 |
| PROP | 2 | Propagation |
| QSL | 8 | QSL Programs |
| REGS | 6 | Regulations |
| RTTY | 10 | RTTY |
| SATEL | 31 | Satellite |
| SSTV | 4 | Slow-Scan TV |
| SWL | 26 | Shortwave Listening |
| TCP | 8 | TCP/IP |
| TECH | 165 | Technical Programs and Notes |
| W0RLI | 1 | W0RLI |