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This webpage lists all existing webpages at www.qrp4fun.de. New and modified pages are marked with new or extended for 2½ months.
In addition, there is also a search to find any words on all webpages listed here.
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Table of contents (this webpage here)
- Search
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Welcome at QRP4Fun
- Amateur radio - what's this?
- Who I am
- Imprint
- Contact
- - Notes for contact
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News and informations
- No new messages are currently available.
- Archive with the following informations
- - SOTA activity and hiking in Liechtenstein (2) 14. - 30. Aug. 2020
- - Activation of the Alps on the lowbands (2) 19. Dec. 2019 - 4. Jan. 2020
- - 7 summits in 7 days - SOTA in the Black Forrest 28. Aug. - 4. Oct. 2019
- - SOTA activity and hiking in Liechtenstein 13. - 28. Jul. 2019
- - Activation of the Alps on the lowbands 22. Dec. 2018 - 5. Jan. 2019
- - 12th Black Forrest Meeting of QRPer and homebrewer 29. Sep. 2018
- - SOTA and QRP in the Black Forrest 28. - 30. Sep. 2018
- - SOTA activity in Liechtenstein 14. - 21. Jul. 2018
- - White Christmas in the mountains 22. Dec. 2017 - 6. Jan. 2018
- - 3 summits in 2 days - SOTA in the Black Forrest 1. - 2. Oct. 2017
- - 11th Black Forrest Meeting of QRPer and homebrewer 30. Sep. 2017
- - Jersey - English language and French flair 10. - 17. Jun. 2017
- - Northern lights and amateur radio 20. - 25. Mar. 2017
- - End of the year in Liechtenstein 17. Dec. 2016 - 1. Jan. 2017
- - On your marks (summits), get set, go! 2. - 3. Oct. 2016
- - 10th Black Forrest Meeting of QRPer and homebrewer 1. Oct. 2016
- - On the way in Liechtenstein 10. - 25. May and 12. - 20. Sep. 2015
- - Between the years in Liechtenstein 21. Dec. 2014 - 3. Jan. 2015
- - Hiking at the Azores 14. - 25. May 2014
- - Turn of the year in Liechtenstein 21. Dec. 2013 - 5. Jan. 2014
- - 7th Black Forrest Meeting of QRPer and homebrewer 5. Oct. 2013
- - Highland, Lochs and Castles to on the way in Scotland 17. - 30. Aug. 2013
- - Mountains, snow and a radio station 12. - 27. Jan. 2013
- - Hiking in the Principality of Liechtenstein 14. - 29. Jul. 2012
- - Around the Brocken - on the way in the Upper Harz 14. - 29. Jan. 2012
- - On the way on water-waves and on radio-waves 16. - 22. Jul. 2011
- - Chalk, stones, wind und air waves on Rügen 9. - 25. Apr. 2011
- - Around Iceland 15. - 28. Jul. 2010
- - Tierra del Fuego - at the end of the world 19. Dec. 2009 - 4. Jan. 2010
- - Wildflowers in the desert of South Africa 21. Aug. -5. Sep. 2009
- - Festival in the old town of Nauen - amateur radio visualized 9. May 2009
- - Handicraft weekend in Jessern 24. - 26. Apr. 2009
- - Sand and more - Sandsation in Namibia 14. - 29. Mar. 2008
- - Andorra - on the way in the Pyrenees 25. Jul. -3. Aug. 2007
- - Between glaciers and geysers - crosswise by Iceland 13. - 26. Jul. 2006
- - Nepal - under the roof of the world 23. Dec. 2005 - 6. Jan. 2006
- - Ireland, the Emerald Island 25. Jul. - 7. Aug. 2005
- - 3rd Adlersberg Meeting - QRP, Homebrewing and Youth 23. - 25. Jul. 2004
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Fascination of QRP and DXing
- What is QRP operation and what should I consider with it?
- - What hides itself behind QRP?
- - Operation mode - not only with a QRP station
- Which technical demands required the QRP operation?
- - Antenna Rules of Thumb Jim Duffey, KK6MC
- Where can I receive assistance?
- - QRP frequencies
- What are DX stations, how do I find these and how reach I these?
- - List of DXCC entities
- - List of callsign series
- - DXCC results reached until now from me
- - Thoughts on Working DX Jim Duffey, KK6MC
- QRP Hall of Fame QRP Amateur Radio Club International
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A lot of fun with wireless telegraphy
- (My) reasons for the use of CW
- Structure of a CW character
- International CW characters
- - Enumeration of international CW characters
- CW abbreviations
- - List of CW abbreviations
- CW rate and PARIS standard
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- Transceiver - you can't own enough of that
- KX3 Elecraft, Wayne Burdick, N6KR; Eric Swartz, WA6HHQ
- K1 Elecraft, Wayne Burdick, N6KR; Eric Swartz, WA6HHQ
- Spatz Peter Solf, DK1HE
- K2 Elecraft, Wayne Burdick, N6KR; Eric Swartz, WA6HHQ
- - Modifications for the Elecraft K2
- - Birth certificate for my Elecraft K2
- NorCal40A (modified for 80 m) Wilderness Radio, Wayne Burdick, N6KR
- NorCal40A Wilderness Radio, Wayne Burdick, N6KR
- Green Mountain 10 Small Wonder Labs, Dave Benson, K1SWL
- Green Mountain 15 Small Wonder Labs, Dave Benson, K1SWL
- - Modification for the Green Mountain 10 and 15
- QRP Plus Index Laboratories
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Antennas, masts and tuners
- Fibreglass Telescope Tower FTT Walter Spieth, DK9SQ
- - Vertikal antenne on the balkony
- - Approval
- - Self-declaration
- MP-1 Super Antennas, Vern Wright, W6MMA
- and HF-P1 Difona
- Can antenna Arthur Wenzel, DL7AHW
- - Construction of the can antenna
- 18m fibreglas telescope mast Spiderbeam, Founder Cornelius Paul, DF4SA
- - Experiences with the 18m fibreglas telescope mast
- Multi-band antenna to use out and about
- - Construction of the multi-band antenna to use out and about
- Twisted-Hille antenna Peter Zenker, DL2FI
- - Construction of a Twisted-Hille antenna - extended version
- 10 m GFK Mast Mini DX-Wire, Peter Bogner, DK1RP
- 6 m GFK Portable Mast Lambdahalbe, Willi Daubermann, DH3PZ
- QRP Automatic Tuner LDG Electronics, Dwayne Kincaid, WD8OYG
- - Modifications for the QRP Automatic Tuner
- ZM-2 Emtech, Roy Gregson, W6EMT
- Tuner for multiband Fuchs antenna Frank Lamprecht, DL7AQT
- - Construction of the multiband Fuchs antenna
- ZM-4 QRPproject, Peter Zenker, DL2FI
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newPower supply, battery and charger
- FPS 4A Voltcraft
- and FPS-1132 Voltcraft
- NiMH batteries Varta
- - Clip for 9-V-block battery
- BTL-12 Basetech
- and BTL-14 Basetech
- Sealed lead-acid batteries
- - Capacity of lead-acid batteries
- - Charge methods of lead-acid batteries
- - Usage hints of lead-acid batteries
- Mainy Egston
- - Conversion of the Egston Mainy to a sealed lead-acid battery charger
- LiFePo4 batteries
- N2EFSW3-12W Egston
- Conversion of the Egston N2EFSW3-12W to a LiFePo4 battery charger
new- SPS24-24W-A Voltcraft
new- - Conversion of the Voltcraft SPS24-24W-A to a LiFePo4 battery charger
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Accessory for the station
- KT1 - Hand Morse Key Kent Engineers
- SP1 - Single Paddle Morse Key Kent Engineers
- TP1 - Twin Paddle Morse Key Kent Engineers
- Funky - a key using pressure sensors
- - Construction of the Funky - a key using pressure sensors
- CWF - finger morse key Gerd Lienemann, DF9IV
- - Construction of the CWF - finger morse key
- Minkey Englmar Wenk, DK1WE
- PPK - Palm Portable Key Palm Radio
- Mini Morse Key BaMaTech, Markus Baseler, DL6YYM
- PS - Palm Single Palm Radio
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Meters and testers
- Freq-Mite Small Wonder Labs, Dave Benson, K1SWL
- Digital Frequency Display DFD1 Almost All Digital Electronics (AADE)
- Frequency counter without current
- SWR-Meter
- MFJ-259B MFJ Enterprises
- - Technical documentations for MFJ-259 and MFJ-259B
- L/C Meter IIB Almost All Digital Electronics (AADE)
- - Modification for the L/C Meter IIB
- WM-2 Oak Hills Research (OHR), Founder Doug DeMaw, W1FB
- - Modifications for the WM-2
- RF/AF probe QRPproject
- FA-NWT1 Funkamateur (Box 73)
- - Extentions for the FA-NWT1
- FA-NWT2 Funkamateur (Box 73)
- SARK-110 Melchor Varela, EA4FRB
- Noise generator
- - Construction of the noise generator
- 10 MHz frequency standard with RS-GGO10M-TG
- - Construction of the 10 MHz frequency standard with an RS-GGO10M-TG
- Dummy loads
- - Various dummy loads
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Tools and tips
- NJ Islander Dov Rabinowitz, AD0V
- - The NJ Islander and ICs
- Step drill
- - Use of step drills
- Magnifying glass
- Sprat CD-ROM, first edition with issues 1-100
- - Installation of the Sprat CD-ROM without floppy drive
- Adapter BNC-plug to pole-terminal
- Coil winding - the easy way
- - Tutorial Coil winding - the easy way
- Stand for transceiver
- - Stand for small transceiver build from a CD case Alex Krist, KR1ST
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extendedHelpful mathematics
- Resistors
- - Calculation of parallel/series connections of up to 5 resistors series E12
- - Calculation of parallel/series connections of 2 resistors series E24/E12
- - Calculation of the star-delta-transform of resistors
- - Calculation of attenuators
- - Calculation of power attenuators
- - Calculation of attenuators with minimum loss
- - Calculation of signal splitters with resistors
- - Color code calculator for resistors
- Capacitors
- - Calculation of parallel/series connections of up to 5 capacitors
- - Calculation of band spread with variable capacitors
- Reactances
- - Calculation of parallel/series connections of reactances
- - Conversion of reactances in parallel/series connections
- - Calculation of reactances
- Resonant circuits and LC networks
- - Calculation of resonant circuits
- - Calculation of Fuchs networks
- - Calculation of match of resistances with LC networks
- - Calculation of match of reactances with LC networks
- - Calculation of antenna reactances
- Power and voltage
- - Conversion of power at 50 Ω
- - Conversion of power and voltage at 50 Ω
- Spherical geometry
- - Calculation of the distance and direction between 2 points
- Thermal resistor of a heatsink
- - Calculation of the thermal resistor of a heatsink
- Keying speed
- - Conversation of the keying speed
extended- Antenna
new- - Calculation of a multiband antenna
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Special links
- QRP clubs
- Other QRP stations
- QRP equipment and kits
- Electronic elements
- Antennas and masts
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Software for ham radio operators
- Spectrogram Richard Horne
- Spectrum Lab Wolfgang Büscher, DL4YHF
- sPlan Abacom Ingenieurgesellschaft
- Sprint-Layout Abacom Ingenieurgesellschaft
- Azimuth Tony Field, VE6YP
- AZMap Paul Burton, AA6Z
- Free Azimuthal Maps Tom Epperly, NS6T
- Mini Ring Core Calculator Wilfried Burmeister, DL5SWB; Klaus Warsow, DG0KW
- NCDXF/IARU International Beacon Network
extended- - Beacon schedule
- VOACAP NTIA/ITS
- Kp Index German Research Centre for Geosciences
- Space Weather Conditions Space Weather Prediction Center
- Solar-Terrestrical Data Paul L. Herrmann, N0NBH
- HamQTH Petr Hlozek, OK2CQR
- QRZ.COM Fred Lloyd, AA7BQ
- Hamcall Buckmaster International
- SelfHTML Stefan Münz
- ftp-uploader Gregor Schommer Systemberatung
- MailWasher Free Mailwsher
- and MailWasher Pro Firetrust
- AntiVir Avira
- Firefox Mozilla Foundation
- Thunderbird Mozilla Foundation
- SmtpJS Infinite Loop Ltd
- Validators with W3 Consortium
- Makeup Validator Service, CSS Validation Service, Link Checker
- Javascript Lunar Eclipse Explorer Fred Espenak; Chris O'Byrne
- Javascript Solar Eclipse Explorer Fred Espenak; Chris O'Byrne
- UTC and local time
- KComm Julian Moss, G4ILO
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Electronic gadgets
- WE1 - World radio ELV Elektronik
- KLU2001 - DCF77 controlled clock ELV Elektronik
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Food for heart and soul
- Total lunar eclipse with "super blood moon"
- As with the eye doctor
- Stealth Antenna
- Twisted letters
- I love CW
- Number problem
- Cleaning
- I wish you the time Elli Michler
- Inexhaustible power source
- When God created the man unknown author
- Desiderata Max Ehrmann
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Logbooks - domestic and DXpeditions
- Logbook DK3RED
- Logbook CT7/DK3RED
- Logbook EA8/DK3RED
- Logbook EI/DK3RED
- Logbook HB0/DK3RED/P
- Logbook MJ/DK3RED
- Logbook TF/DK3RED/P
- Logbook DK3RED/TI2
- Logbook TK/DK3RED/P
- Logbook ZL/DK3RED
- Logbook ZS/DK3RED
- Notes for the logbooks
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QSL cards - sent and received
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extendedGuestbook
- Notes for the guestbook