This webpage lists all existing webpages at www.qrp4fun.de. New and recently modified pages are marked here in additionwith or and a time stamp (mouse pointer over markers) for 90 days. In addition, there is also a Search to find any words on all webpages listed here.

Welcome at QRP4Fun
– Amateur radio - what's this?
– Who I am
– Imprint, privacy, contact
– Contact form
— Notes for contact form

News and information
– Spring/summer 2022 From 12. 3. 2022 to ...
   (continues after each activation)
– Archive of news and information
— Winter storms and sunshine 12. - 27. 2. 2022
— On the way in Brandenburg 14. - 26. 9. 2021
— Alternative for the DX hunt 12. - 22. 6. 2021
— SOTA activity and hiking in Liechtenstein (2) 14. - 30. 8. 2020
— 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. 8. - 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
— 12. 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
— 11. 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
— 10. Black Forrest Meeting of QRPer and homebrewer 1. 10. 2016
— On the way in Liechtenstein 10. - 25. 5. and 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
— 7. 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
— 3. Adlersberg Meeting - QRP, Homebrewing and Youth 23. - 25. 7. 2004

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
— until now reached DXCC results
— Thoughts on Working DX Jim Duffey, KK6MC
– QRP Hall of Fame QRP Amateur Radio Club International

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

– 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
— Modifications for the 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

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
– Twisted-Hille antenna Peter Zenker, DL2FI
— 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

Power supply, battery and charger
– Voltcraft FPS 4A
  nbsp; and Voltcraft FPS-1132
– Varta NiMH batteries
— Clip for 9-V-block battery
– Basetech BTL-12
   and Basetech BTL-14
– Sealed lead-acid batteries
— Capacity of lead-acid batteries
— Charge methods of lead-acid batteries
— Usage hints of lead-acid batteries
– Egston Mainy
— Conversion of the Egston Mainy to a sealed lead-acid battery charger
– LiFePo4 batteries
– Egston N2EFSW3-12W
– Conversion of the Egston N2EFSW3-12W to a LiFePo4 battery charger
– Voltcraft SPS24-24W-A
— Conversion of the Voltcraft SPS24-24W-A to a LiFePo4 battery charger

Accessory for the station
– Kent Engineers KT1 - Hand Morse Key
– Kent Engineers TP1 - Twin Paddle Morse Key
– Kent Engineers SP1 - Single 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 PPK - Palm Portable Key
– BaMaTech Mini Morse Key Markus Baseler, DL6YYM
– Palm Radio PS - Palm Single

Meters and testers
– Small Wonder Labs Freq-Mite Dave Benson, K1SWL
– Almost All Digital Electronics (AADE) DFD1 - Digital Frequency Display
– 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
– Box 73 FA-NWT1
— Extentions for the FA-NWT1
– 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
– Voltcraft PM-60-A - DC Power meter

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

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
— Calculation of antenna reactances
– Power and voltage
— Conversion of power and voltage at 50 Ω
– Locator, distance and direction
— Convertion of locator in latitude an longitude
— Calculation of distance an direction between 2 ponits of earth
– Thermal resistor of a heatsink
— Conversion of locator in latitude and longitude
— Calculation of the distance and direction between 2 points
— Calculation of the thermal resistor of a heatsink
– Keying speed
— Conversation of the keying speed
– Antenna
— Calculation of a doublet antenna
— Calculation of a multiband antenna

Special links
– QRP clubs
– Other QRP stations
– QRP equipment and kits
– Electronic elements
– Antennas and masts

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

Electronic gadgets
– Games
— Kalah
— Four in a row
— Master Mind
— Super Master Mind
– WE1 - World radio ELV Elektronik
– KLU2001 - DCF77 controlled clock ELV Elektronik

Food for heart and soul
– Flying subtenants
– Mammatus clouds
– 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

Logbooks - stationary, portable and DXpeditions domestic and international
– 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

QSL cards - sent and received
– Sent QSL cards for domestic activities
– Sent QSL cards for DXpeditions
– Received QSL cards from DX stations
– Received QSL cards from European stations

Guestbook
– Notes for the guestbook

Table of contents (this webpage here)
– Search and found