Technical information

My experience with QO100 satellite
HF + 6m transceiver Yaesu FT2000, own experience and comparison to other models (in Czech)
General information about WSPR digital mode (in Czech)
General information and own experience with JT65 digital mode (in Czech)
Chinese VHF handheld JT-208 (in Czech)

Operator manuals


  • Solid state HF linear amplifier Quadra VL-1000
  • Power supply for amplifier Quadra VP-1000
  • Solid state HF linear amplifier FL7000
  • HF transceiver FT1000MP
  • HF + 6m transceiver FT2000
  • 2m mobile FM transceiver FT2600
  • HF/VHF/HF QRP transceiver FT817
  • HF/VHF/HF transceiver FT847
  • ICOM

  • VHF/UHF multimode transceiver IC820H

  • HF base radio TS850
  • VHF/UHF FM handheld transceiver TH79
  • VHF/UHF FM mobile transceiver TM-V7

  • Antenna rotors Create RC5
  • LDG

  • Antenna tuner Z11 Pro

  • Baofeng UV-3R duoband handheld
  • Baofeng UV-5R duoband handheld
  • Service manuals, circuit diagrams and installation manuals


  • Quadra VL-1000/VP-1000 Service Manual
  • FT2000 Service Manual
  • FT847 Service Manual
  • FT817 Service Manual
  • FT817 Service menu description
  • FT817 Circuit Diagram
  • FT847 Circuit Diagram
  • ICOM

  • IC820H Service Manual

  • TH79 Service Manual
  • TH79 Circuit Diagram
  • TS850 Service Manual, circuit diagrams
  • TM-V7 Service Manual

  • Lightning Bolt multiband Quad Installation manual
  • Fritzel Vertical GPA404 Installation Manual
  • ZX Yagi 5 elements for 17m Yagi - Installation Manual
  • ZX Yagi 3 elements for 30m Yagi - Installation Manual
  • homebrew 4 elements Yagi for 21 MHz by DK7ZB

  • Siemens C5 analog mobile phone (for mods as HAM 70cm TCVR) - circuit diagram
  • Siemens C5 - modification instructions (in german)
  • Yaesu GS232 Rotator Controller
  • Baofeng UV-3R circuit diagram
  • Wouxun KG-UV920 Service Manual