hardware (33)
- Assembly & Measurement of a 3dB Splitter - 22. August 2008
- Measuring ICE Bandpass Filter - 5. September 2008
- Debugging the RS232 serial port - 21. November 2008
- PowerSDR-UI – knobs for your SDR radio - 12. March 2011
- Building a beverage switching box - 3. December 2011
- How to exchange the GU74b / 4CX800 tubes on your Alpha91b (Alpha99) Amplifier - 15. December 2011
- 2el Vertical Array for 160m - 10. January 2012
- W7IUV Beverage Pre-Amp (2N5109) - 18. January 2012
- Flex Control – Interviewing the Developer - 24. February 2012
- Customs broke my tubes (4CX800 / GU74b) - 1. March 2012
- Testing-Device for GU74b / 4CX800 tubes - 14. March 2012
- Coax Stubs for 20m and 40m - 31. May 2012
- Community Improvement on Tuning wheels - 29. June 2012
- How to measure Ground Conductivity - 2. July 2012
- A simple broadband 4:1 Balun Transformer - 21. September 2012
- Evolution of the DG8SAQ VNWA - 22. September 2012
- New Stackmatches for ED1R - 2. February 2013
- Microcontroller based Stackmatch Controller - 2. February 2013
- Double Half Delta Loop (DHDL) Low Band Receiving Antenna - 14. March 2013
- 4O3A Triplexor - 14. March 2013
- Can I still use oxidized coax cable? - 18. March 2013
- How to rapidly deploy & remove antenna radials - 24. March 2013
- Will additional coax stubs improve Bandpass Filter performance? - 12. May 2013
- DG8SAQ VNWA & Virtual Machines - 11. January 2015
- Network accessible Rotators - 11. January 2015
- Beverage antenna & radials cart - 9. January 2017
- My new 40" 4K Desktop monitor (TV) - 13. January 2017
- Replacing Yaesu FT857 IF filters - 22. July 2019
- Diamond MX-2000N HF/VHF/UHF triplexor teardown - 27. July 2019
- ICOM IC7300 and IC9700 variable TX Delay verified - 1. January 2020
- What's the best ferrite material for a common-mode choke? - 27. June 2021
- VNA Prototyping Board - 28. January 2024
- Protector for SKF ball-bearings on antenna masts - 11. February 2024
software-defined-radio (15)
- Bandscope Modification Yaesu FT1000MP - 4. July 2008
- FA-SDR-TRX part #1 – Systems View - 8. December 2009
- FA-SDR-TRX part #2 – The Receiver - 9. December 2009
- FA-SDR-TRX part #3 – the Transmitter - 25. December 2009
- Do you truly understand the SDR concept? - 4. February 2010
- PMSDR – an interview with IW3AUT - 14. March 2010
- CW Skimmer, Win-Test & FT1000MP: my wish! - 30. May 2010
- SDR appliance: JN1SDD’s NCDXF / IARU Beacon Monitor - 4. June 2010
- Presentation: How new technologies affect the art of contesting - 30. June 2010
- Disc Jockeys influence on SDR - 12. December 2010
- PowerSDR-UI – knobs for your SDR radio - 12. March 2011
- FiFi SDR – The Interview - 27. April 2011
- How PowerSDR-UI users set up their DJ Consoles - 28. May 2011
- Flex Control – Interviewing the Developer - 24. February 2012
- Community Improvement on Tuning wheels - 29. June 2012
contesting (10)
- Presentation: How new technologies affect the art of contesting - 30. June 2010
- VP8ORK Dinner in Buenos Aires - 30. January 2011
- A73A in CQWW SSB 2011 - 30. November 2011
- How to exchange the GU74b / 4CX800 tubes on your Alpha91b (Alpha99) Amplifier - 15. December 2011
- HC2/AL1O qrv from Ecuador - 6. January 2012
- 2el Vertical Array for 160m - 10. January 2012
- W7IUV Beverage Pre-Amp (2N5109) - 18. January 2012
- My A73A presentation at the Contest Forum - 26. June 2012
- DXHeat.com is online - 22. January 2014
- Network accessible Rotators - 11. January 2015
it-articles (4)
- How to set up an Ubuntu Server on Amazon EC2 - 7. May 2012
- Quick & Easy: VPN through SSH Tunnel - 14. May 2012
- DXHeat.com is online - 22. January 2014
- Troubleshooting Icom RS-BA1 network issues - 30. May 2021
software (3)
- Cross-Compiling Golang (CGO) Projects - 8. December 2019
- Real-life CI/CD pipelines with Github Actions - 12. December 2019
- Troubleshooting Icom RS-BA1 network issues - 30. May 2021
golang (2)
- Cross-Compiling Golang (CGO) Projects - 8. December 2019
- Real-life CI/CD pipelines with Github Actions - 12. December 2019
measurements (2)
- ICOM IC7300 and IC9700 variable TX Delay verified - 1. January 2020
- VNA Prototyping Board - 28. January 2024
3d-printing (1)
- Protector for SKF ball-bearings on antenna masts - 11. February 2024
dsp (1)
- SDR appliance: JN1SDD’s NCDXF / IARU Beacon Monitor - 4. June 2010
dxing (1)
- Outstanding VHF Tropo propagation - 21. January 2020
embedded (1)
- ST-Link & Blue Pill Development board - 18. January 2020
emc (1)
- What's the best ferrite material for a common-mode choke? - 27. June 2021
it-stuff (1)
- Network accessible Rotators - 11. January 2015
my-podcast (1)
- FiFi SDR – The Interview - 27. April 2011
remote (1)
- Troubleshooting Icom RS-BA1 network issues - 30. May 2021
software-development (1)
- My new 40" 4K Desktop monitor (TV) - 13. January 2017
stm32 (1)
- ST-Link & Blue Pill Development board - 18. January 2020
vhf (1)
- Outstanding VHF Tropo propagation - 21. January 2020