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• Homepage
• QRV: looking for DJ0ABR ?
• my current location
• es'hail-2 Projects
  • SSB High Speed Modem
    • Images
    • Dokumentation
  • 13cm PA
    • The Concept
    • Stage-1: 10W PA
    • Stage-2: 30W PA
    • Manufacturing Data
  • es'hail-2 Web SDR
    • Overview
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  • misc Circuits
    • RX Power/Refclk Box
  • Station Examples
    • DJ0ABR-1 until 7.2019
    • DJ0ABR-2 until 9-2019
    • DJ0ABR-3 since 10.2019
    • DO1RX
  WebWSPR
  • Overview
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  • Softw. Installation
  • Hardw.Installation
  • Operation
  • Soundcard
  1kW Short Wave AMP
  • Overview, Block Diagram
  • Circuit
  • 65 volts version
  • Videos, Playlist
  • Schematic/Layout
• LDMOS 3,5" Amp Controller
  • Overview
  • User Manual
  • Connectors
  • Schematics: uC
  • Schematics: Analog IN
  • Schematics: Digital IO
  • PCB placement
  • the PCB
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• DSP-7-PA 7" Amp Controller
  • Overview
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  • Connectors
  • Operating Manual
  • Calibration
  • Bootloader
  • Firmware
  • WiFi, Webserver
  • WiFi, Bootloader
  • Schematics/Layout
  • User defined pictures
• Antenna Switches and Selectors
  • Antenna Switch
  • Transceiver Selector Board
  • Video: Assembly
  • Ant.Switch PCB Data
  • TRX Sel. PCB Data
• 2kW Low Pass Filter
  • Assembly Instructions
    • 160m
    • 80m
    • 60+40m
    • 30+20m
    • 17+15m
    • 12+10m
    • 6m
  • Schematics: Relais
  • Schematics: L/C
  • PCB placement
  • BOM
  • PCB pictures
  • measurement results
  • Schematics/Layout
• Power / SWR Measurement
  • 10mW-2kW Direct. Coupler
  • Performance
  • BOM
  • PCB Placement
  • Schematic/Layout
• Overcurrent Protection
  • Overview
  • Installation Manual
  • Schematics/Layout
• Projects
  • Digital SWR Meter
  • APRS with IC-2820
  • TinyTrack-3 with IC-2820
• 500kc 630m Band
  • 500W MOSFET Power Amp
  • Schematic/Layout
• DDS and WSPR
  • U02-DDS & WSPR Beacon
  • DDS & WSPR board
  • 5watts 11-Band PA
  • Milliwatt Pwr/Swr Meter
  • TFT Color Display
  • the Software
  • DOWNLOAD
  • 5W PA Documents
• WSPR-Linux Software
  • Overview
  • Ubuntu Installation
  • WSPR RX Console
  • WSPR RX X-Windows
  • Line-IN activation
  • Tips by users
• D-Star
  • D-Star eqipment
  • D-Star Homemade
  • D-Dstar with C5608
  • D-Star with FT-736
  • D-Star with Yaesu
  • D-Star Hot Spot
  • D-Star Crossband Repeater
  • DV Repeater Manual
• Antennas
  • Building Antennas
  • 40/80/160m dipole
  • VHF/UHF antennas
  • Antenna Matrix
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