yaezu ft897d

Yaesu FT-897D PSK and RTTY Operation - Determining the audio input and output connections on the FT-897D.

Yaesu FT-897d mods - Programming interface schematics for Yaesu FT-897D programming interface, Yaesu 4 pin plug PDF User Manual for Yaesu FT-897D (FT 897 D FT897D)

Less White Noise - FT-897D Modification - Modification for FT-879D to remove the white noise spreaded far above 3 kHz by Petr OK1FIG

AF Filter for FT-897D - AF Filter modification for the Yaesu FT-897D by Petr OK1FIG

Using Crystal Filters in FT-897D - Installing these filters is a big improvement in the quality of the rig of the Yaesu FT-897D