The Radio Shield is an add-on kit for the Arduino development board that provides AX.25 packet radio send and receive capability, a prototyping area, and an HD44780-compatible LCD interface.
How to build a Bluetooth Radio Interface for Yaesu CAT standard or Icom CI-V system
A 20 page PDF Hamdbook about Amateur Television by G3YQC and G8CJS published by The British Amateur Television Club
A personal review of the Mirage BD-35 dual band VHF UHF Amplifier
Technical supplement manual of the Yaesu FT-8800R in english
Official page of the Yaesu FT-8800R 144/430 MHz Dual Band FM Transceiver
Replacing the PA to a Yaesu FT 2800 M
FT- 2800M Heavy-Duty 144 Mhz FM Transceiver
Yaesu FTDX3000 Sound card digital modes setup using internal USB interface
FTB8800 is a memory management software program for the FT-8800R/E FM transceiver