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This webpage lists all existing pages at www.qrp4fun.de. In addition, there is a search for any terms at www.qrp4fun.de.
 
For those, who visit my webpages often and who want to recognize changes quickly, I will label here in the table of contents new webpages with new and extended webpages with extended at the end of the line for 2 months. For status informations move your mouse over the respective marker.
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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
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News and informations
- Activation of the Alps on the lowbands (2) 19.12.2019 - 4.1.2020
- 7 summits in 7 days - SOTA in the Black Forrest 28.9. - 4.10.2019
- SOTA activity and hiking in Liechtenstein 13. - 28.7.2019
- Activation of the Alps on the lowbands 22.12.2018 - 5.1.2019
- 12th Black Forrest Meeting of QRPer and homebrewer 29.9.2018
- SOTA and QRP in the Black Forrest 28. - 30.9.2018
- SOTA activity in Liechtenstein 14. - 21.7.2018
- White Christmas in the mountains 22.12.2017 - 6.1.2018
- 3 summits in 2 days - SOTA in the Black Forrest 1. - 2.10.2017
- 11th Black Forrest Meeting of QRPer and homebrewer 30.9.2017
- Jersey - English language and French flair 10. - 17.6.2017
- Northern lights and amateur radio 20. - 25.3.2017
- End of the year in Liechtenstein 17.12.2016 - 1.1.2017
- On your marks (summits), get set, go! 2. - 3.10.2016
- 10th Black Forrest Meeting of QRPer and homebrewer 1.10.2016
- On the way in Liechtenstein 10. - 25.5. und 12. - 20.9.2015
- Between the years in Liechtenstein 21.12.2014 - 3.1.2015
- Hiking at the Azores 14. - 25.5.2014
- Turn of the year in Liechtenstein 21.12.2013 - 5.1.2014
- 7th Black Forrest Meeting of QRPer and homebrewer 5.10.2013
- Highland, Lochs and Castles to on the way in Scotland 17. - 30.8.2013
- Mountains, snow and a radio station 12. - 27.1.2013
- Hiking in the Principality of Liechtenstein 14. - 29.7.2012
- Around the Brocken - on the way in the Upper Harz 14. - 29.1.2012
- On the way on water-waves and on radio-waves 16. - 22.7.2011
- Chalk, stones, wind und air waves on Rügen 9. - 25.4.2011
- Around Iceland 15. - 28.7.2010
- Tierra del Fuego - at the end of the world 19.12.2009 - 4.1.2010
- Wildflowers in the desert of South Africa 21.8. - 5.9.2009
- Festival in the old town of Nauen - amateur radio visualized 9.5.2009
- Handicraft weekend in Jessern 24. - 26.4.2009
- Sand and more - Sandsation in Namibia 14. - 29.3.2008
- Andorra - on the way in the Pyrenees 25.7. - 3.8.2007
- Between glaciers and geysers - crosswise by Iceland 13. - 26.7.2006
- Nepal - under the roof of the world 23.12.2005 - 6.1.2006
- Ireland, the Emerald Island 25.7. - 7.8.2005
- 3rd Adlersberg Meeting - QRP, Homebrewing and Youth 23. - 25.7.2004
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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?
- 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
- Elecraft KX3 Wayne Burdick, N6KR; Eric Swartz, WA6HHQ
- Elecraft K1 Wayne Burdick, N6KR; Eric Swartz, WA6HHQ
- Spatz Peter Solf, DK1HE
- Elecraft K2 Wayne Burdick, N6KR; Eric Swartz, WA6HHQ
extended-- Modifications for the Elecraft K2
-- Birth certificate for my Elecraft K2
- Wilderness Radio NorCal40A (modified for 80 m) Wayne Burdick, N6KR
- Wilderness Radio NorCal40A Wayne Burdick, N6KR
- Small Wonder Labs Green Mountain 10 Dave Benson, K1SWL
- Small Wonder Labs Green Mountain 15 Dave Benson, K1SWL
-- Modification for the Green Mountain 10 and 15
- Index Laboratories QRP Plus
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Antennas, masts and tuners
- Fibreglass Telescope Tower FTT Walter Spieth, DK9SQ
-- Vertikal antenne on the balkony
-- Approval
-- Self-declaration
- Super Antennas MP-1 Vern Wright, W6MMA
- and Difona HF-P1
- Can antenna Arthur Wenzel, DL7AHW
-- Construction of the can antenna
- Spiderbeam 18m fibreglas telescope mast 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
new- Twisted-Hille antenna Peter Zenker, DL2FI
new-- Construction of a Twisted-Hille antenna - extended version
- DX-Wire 10 m GFK Mast Mini Peter Bogner, DK1RP
- Lambdahalbe 6 m GFK Portable Mast Willi Daubermann, DH3PZ
- LDG Electronics QRP Automatic Tuner Dwayne Kincaid, WD8OYG
-- Modifications for the QRP Automatic Tuner
- Emtech ZM-2 Roy Gregson, W6EMT
- Tuner for multiband Fuchs antenna Frank Lamprecht, DL7AQT
-- Construction of the multiband Fuchs antenna
- QRPproject ZM-4 Peter Zenker, DL2FI
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Power supply, battery and charger
- Voltcraft FPS 4A Conrad Electronic
- and Voltcraft FPS-1132 Conrad Electronic
- Varta NiMH batteries
-- Clip for 9-V-block battery
- Basetech BTL-12 Conrad Electronic
- and Basetech BTL-14 Conrad Electronic
- Sealed lead-acid batteries
-- Capacity of lead-acid batteries
-- Charge methods of lead-acid batteries
-- Usage hints of lead-acid batteries
- Egston Mainy as charger for sealed lead-acid batteries
-- Conversion of the Egston Mainy to a sealed lead-acid battery charger
new- LiFePo4 batteries
new- Egston N2EFSW3-12W as charger for LiFePo4 batteries
new-- Conversion of the Egston N2EFSW3-12W to a LiFePo4 battery charger
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Accessory for the station
- Kent Engineers KT1 Hand Morse Key
- Kent Engineers SP1 Single Paddle Morse Key
- Kent Engineers TP1 Twin Paddle Morse Key
- 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
- Palm Radio Palm Portable Key
- BaMaTech Mini Morse Key Markus Baseler, DL6YYM
- Palm Radio Palm Single
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Meters and testers
- Small Wonder Labs Freq-Mite Dave Benson, K1SWL
- Almost All Digital Electronics (AADE) Digital Frequency Display DFD1
- Frequency counter without current
- SWR-Meter
- MFJ Enterprises MFJ-259B
-- Technical documentations for MFJ-259 and MFJ-259B
- Almost All Digital Electronics (AADE) L/C Meter IIB
-- Modification for the L/C Meter IIB
- Oak Hills Research (OHR) WM-2 Founder Doug DeMaw, W1FB
-- Modifications for the WM-2
- QRPproject RF/AF probe
- Funkamateur (Box 73) FA-NWT1
-- Extentions for the FA-NWT1
- Funkamateur (Box 73) FA-NWT2
- 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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Helpful 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
- 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
new- Keying speed
new-- Conversation of the keying speed
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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
-- 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
- Notes for the logbooks
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extendedQSL cards - sent and received
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extendedGuestbook
- Notes for the guestbook
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Imprint
- Contact
-- Notes for contact