Charlie's CQ Room
- Ham radio site devoted to classic collectible amateur and military radios,
featuring vintage ham radio color photos and commentary, free downloadable manuals
and pamphlets and links for ham radio hobbyists.
KB2LJJ Yaesu Manuals
- Lots of Yaesu radios manuals, in pdf format, includes schematics, operation manuals, and main instruction manuals.
- Timewave Documents for User Download, PK-900 Multimode Data Controller, PK-232 Multimode Data Controller, DSP-232 Multimode Data Controller, DSP-9 Noise Reduction and Bandpass Filter, Audio Signal Processor and Noise Reduction Filter, Audio Signal Processor and Noise Reduction Filter for Yaesu SP-5 and SP-6 Speakers
- This is the manuals section for the Hy-Gain website. Currently, hy-gain is listing all of their manuals only in the Adobe Acrobat PDF format.
Ham Radio Deluxe v4pop
- HRD v4 is a freeware windows multi function software, includes logbook, CAT Control software for Elecraft, Kenwood, ICOM, Ten-Tec and Yaesu radios, rotor controls, digital mode rtx, rotor control, dx cluster client and many more features by HB9DRV
All in One by WD8KNC
- Windows based contest logging software with multiple functions like antenna rotor control, dx cluster, cat control, voice and cw keying, supports many data modes, qrz lookup, pirint qsl and labels, mapping and more
Tube Amplifier data and tech info
- Source of common model manuals and amateur help on amplifier problems for the amateur bands, Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement.