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Welcome at QRP4Fun!
 
 Who I am
 DXCC results
 List of DXCC Entities
 Imprint

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News and informations
 
 Announcement: On the way in the Upper Harz
14th - 29th January 2012
 On the way on water waves and on radio waves
16th - 22nd July 2011 (in German)
 Chalk, stones, wind und waves - holiday and ham radio on Rügen
9th - 25th April 2011 (in German)
 Around of Iceland as TF/DK3RED/P
15th - 28th July 2010 (in German)
 At the end of the world as CE/DK3RED and LU/DK3RED
19th Dezember 2009 - 4th Januar 2010
 Wildflowers in the desert - as ZS/DK3RED in South Africa
21st August - 5th September 2009
 Festival in the old town of Nauen - amateur radio visualized
9th May 2009 (in German)
 Handicraft weekend in Jessern - Spring 2009
24th - 26th April 2009 (in German)
 Sand and more - Sandsation in Namibia
14th - 29th March 2008
 Andorra - On the way in the Pyrenees
25th July - 3rd August 2007
 Between glaciers and geysers - Crosswise by Iceland as TF/DK3RED/P
13rd - 26th July 2006
 Kingdom of Nepal - Under the roof of the world
23rd December 2005 - 6th January 2006 (in German)
 Ireland, the Emerald Island - QRP DXpedition as EI/DK3RED and MI/DK3RED
25th July - 7th August 2005
 3rd Open meeting for QRP, Homebrewing and Youth at the Adlersberg
23rd - 25th July 2004 (in German)
 Archiv

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Fascination of QRP and DXing
 
 What is QRP operation?
 What should you consider with QRP with the operation mode?
 Which technical demands required the QRP operation?
 Antenna Rules of Thumb by Jim Duffey, KK6MC
 Where can I receive assistance?
 How can I find as QRPer DX stations?
 How can I "crack" a pile up with QRP?
 Thoughts on Working DX by Jim Duffey, KK6MC
 QRP Hall of Fame

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A lot of fun with 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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Glance in the shack
 
 QRP Plus by Index Laboratories SSB and CW, until 5 W, 160 to 10 m
 Green Mountain 15 by Small Wonder Labs (SWL) CW, 2 W, 15 m
 Modification for the Green Mountain
 Green Mountain 10 by Small Wonder Labs (SWL) CW, 1.5 W, 10 m
 NorCal40A by Wilderness Radio CW, until 3 W, 40 m
 NorCal40A by Wilderness Radio CW, until 3 W, modified for 80 m
 K2 by Elecraft Basic unit: CW, until 10 W, 80 to 10 m
 Modifications for the Elecraft K2
 Spatz by DL-QRP-AG CW, 5 W, 30 m
 K1 by Elecraft CW, until 5 W, 4 bands, 40 m, 30 m, 20 m, 17 or 15 m
 QRP Automatic Tuner by LDG until 10 W
 Modifications for the QRP Automatic Tuner
 ZM-2 by Emtech Z-Match: 80 to 10 m, until 15 W
 Tuner for multiband Fuchs antenna by Frank Lamprecht, DL7AQT
 Construction of the multiband Fuchs antenna
 ZM-4 by Peter Zenker, DL2FI Z-Match: 160 to 10 m, until 15 W
 Multiband vertical using the Fibreglass Telescope Tower FTT by Walter Spieth, DK9SQ
 Vertikal antenne on the balkony (in German)
 MP-1 by Super Antennas
 Can antenna by Arthur Wenzel, DL7AHW
 Construction of the can antenna
 18 m fibreglas telescope mast by Spiderbeam
 Experiences with the 18 m fibreglas telescope mast
 Multi-band antenna to use out and about
 Construction of the multi-band antenna to use out and about (in German)
 10 m GFK Mast Mini by DX-Wire
 6 m GFK Portable Mast by Lambdahalbe

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Accessory for the station
 
 Sealed lead-acid accumulators
 Capacity of lead-acid accumulators (in German)
 Charge methods of lead-acid accumulators (in German)
 Usage hints of lead-acid accumulators (in German)
 Charger for sealed lead-acid accumulator by Egston
 Modification to the accumulator charger for sealed lead-acid accumulator
 NiMH accumulators by Varta
 Charger for NiMH accumulators by Basetech
 Straight key by Kent Engineers
 Squeezer by Kent Engineers
 Wabbler by Kent Engineers
 Funky - a key using pressure sensors
 Construction of the Funky - a key using pressure sensors
 CWF - finger morse key by Gerd Lienemann, DF9IV
 Construction of the CWF - finger morse key
 Minkey by Englmar Wenk, DK1WE
 Palm Portable Key by Palm Radio
 Mini Morse Key by Markus Baseler, DL6YYM (BaMaTech)
 Dummy loads so far the eye extends
 Various dummy loads

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Meters, testers, tools and tips
 
 Freq-Mite by Small Wonder Labs (SWL) until 32.767 MHz
 PIC Frequency display by Almost All Digital Electronics (AADE) until 40 MHz
 Frequency counter without current for all frequencies
 SWR-Meter for power from 350 mW to 25 W
 MFJ-259B by MFJ SWR Analyzer, 1.8 to 170 MHz
 Technical documentations for MFJ-259 and MFJ-259B
 L/C Meter IIB by Almost All Digital Electronics (AADE)
 Modification for the L/C Meter IIB
 WM-2 by Oak Hills Research (OHR) QRP power meter
 Modifications for the WM-2
 RF/AF probe by QRPproject for RF/AF voltage and RF/AF power until 30 MHz
 FA-NWT by Funkamateur sweeper, sinus-wave generator, power meter, 100 kHz to 160 MHz
 Extentions for the FA-NWT (in German)
 FA-SAV by Funkamateur spectrum analyzer, 1 to 75 MHz and 135 to 148 MHz
 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
 NJ Islander
 The NJ Islander and ICs
 Step drill
 Use of step drills
 Sprat CD-ROM (first edition with issues 1-100)
 Installation of the Sprat CD-ROM without floppy drive
 Dual binding post adapter
 Coil winding - the easy way
 Tutorial Coil winding - the easy way

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Helpful mathematics
 
 Parallel connection of resistors
 Calculation of parallel connection of up to 5 resistors
 Attenuators
 Calculation of attenuators
 Power attenuators
 Calculation of power attenuators
 Attenuators with minimum loss
 Calculation of attenuators with minimum loss
 Signal splitter with resistors
 Calculation of signal splitters with resistors
 Band spread with variable capacitors
 Calculation of band spread with variable capacitors
 Resonant circuits
 Calculation of resonant circuits
 Match of resistances with LC networks
 Calculation of match of resistances with LC networks
 Match of reactances with LC networks
 Calculation of match of reactances with LC networks

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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 by Richard Horne AF spectrum
 Spectrum Lab by Wolfgang Büscher, DL4YHF AF spectrum
 sPlan by Abacom Design of schematic circuit diagrams
 Sprint-Layout by Abacom Design of printed circuit boards
 Altavista Search for webpages, pictures ...
 Babelfish Translation of texts and whole webpages
 Azimuth by Tony Field, VE6YP Beam maps
 Mini Ring Core Calculator by Wilfried Burmeister, DL5SWB
 AZMap by Paul Burton, AA6Z Beam maps
 NCDXF/IARU International Beacon Network
 Beacon schedule for the NCDXF/IARU International Beacon Network
 VOACAP propagation predictions
 HamQTH by Petr Hlozek, OK2CQR free international callsign directory
 QRZ.COM international callsign directory
 Buckmaster international callsign directory
 SelfHTML documentation of the desgin of webpages
 MailWasher Free by Mailwsher and
MailWasher Pro by Firetrust filters out spam from e-mails
 AntiVir shield virus
 Firefox fast web browser
 Thunderbird e-mail program with no frills
 Formmailer forwarding of web formular datas
 Formpost forwarding of web formular datas
 Validator of the W3 Consortium error checkup of HTML files and CSS files

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Electronic baubles
 
 DCF77 controlled clock by ELV Elektronik

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Food for the soul
 
 Desiderata by Max Ehrmann
 When God created the man by an unknown author
 Inexhaustible power source
 I wish you the time by Elli Michler
 Cleaning

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Logbooks and QSL cards

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Guestbook
 
 Guestbook - note

 

Imprint