This webpage lists all existing webpages at www.qrp4fun.de. New and modified pages are marked with a time stamp (mouse pointer over markers) for 50 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

News and information
 
Archive of news and information
– Winter holidays in Liechtenstein 12. - 18. 2. 2023
– Between Christmas and New Year in Harz Mountains 26. 12. 2022 - 1. 1. 2023
– DLFF in autumn 2022 6. - 13. 11. 2022
– SOTA and DLFF in the Black Forrest 29. 9. - 3. 10. 2022
– 14. Black Forrest Meeting of QRPer and homebrewer 1. 10. 2022
– HBFF, SOTA and WCA in Liechtenstein 15. - 31. 7. 2022
– DLFF in Spring/Summer 2022 12. 3. - 9. 7. 2022
– 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
– 13. Black Forrest Meeting of QRPer and homebrewer 5. 10. 2019
– 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 Christmas and New Year 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
– Protection for telescopic masts
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
RS-GGO10M-TG - 10 MHz frequency standard
– 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
form.taxi Reinhard Söllradl - wrkt*biz
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)
 
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