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DK5DC Germany flag Germany

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DOK O49, also special DOK DVO (DVO is a special DOK assigned to the region director of Southern Westphalia :-) )
-->DXCC Field Checker (Germany). Editor of the monthly DX Column 'DXTRA' of CQ DL. DX News welcome to dxtra@dk5dc.com. Thanks a lot.

US Call: see -->>AA6HM . I'm the QSL manager for our local club's contest call: DK5D . The remaining QRZ.COM entry consist mainly of small pictures of my present and past qsl's as well as a short biography. Enjoy!


  • 09/2014: 40m and 30m inverted Vee 8m/24ft high, 6band Hexbeam
  • a variety of Antenna Matchers (manual and so called automatic...)
  • The Buddipole/Budistick Ensemble for portable operations
  • 05/2013: 8BDXCC
  • 03/2016: DXCC/Challenge 311/1863

(for the records: Beer is considered food.....)
Being licensed since 1970, I started operating on on shortwave as late as 2nd half of 2009 :-). You'll find me mostly in CW and RTTY, using my decent station made of an IC-7600 down to some 50 Watts, a few more or less resonant wire Antennas and a abt 8 m (24ft high HexBeam. I decided to reactivate my CW skills in order to finally get the DXCC (after some 40 years of Amateur Radio :-) ). I'm a supporter of Low Power Operation. Under normal circumstances, I enjoy using my KX3 or K2. However, in case the propagation is in a suboptimal shape, the more or less 'standard' power of 100 W is available.  The PA on display below is for outdoor activities only. Living in a dense populated residential area...........
My past calls were: N6RKB (3 days only before passing extra) F0
CQZ, TK0CQZ years before France adopted the CEPT reciprocal license.


My actual qsl







Looking for a QSL Manager ?

Now that German international rates are as low as €0,85 (~$1,00),I would volunteer my time if somebody needs a manager. Just send me an e-mail....
My current station:

  • A 40 Year old Drakeline R4C/T4XC combination. Still in excellent shape. Still operating.
  • A 1973 TR4. Unfotunately, the finals are not optimal (~ 150W on 14 Mhz). Shipping from the U.S is extremely expensive. Tried and got finals even less optimal than the original ones...
  • Icom 7600, - used for different modes - up to 100 W Power
  • K2/KX3  - for portable operation
  • FT-991. Mostly for VHF/UHF operations
  • a variety of Antenna Matchers (manual and so called automatic...)
  • The Buddipole/Budistick Ensemble for portable operations


  1. I really prefer the nice Paper QSL delivered via the bureau. After all, it's the reason why we pay those membership fees for our amateur radio association, isn't it ? As a member of the German Amateur Radio Association (DARC), I can send my cards via the bureau. The cards are being send on a monthly base from the local chapter to the DARC HQ for further processing.
  2.  In addition to sending/requesting QSLs via the bureau, I generally upload my qsos to ARRLs LoTW and to eqsl.cc on a regular base .

qsl #1These are a few of my qsls. Nowadays, I prefer shots I made during my various visits of U.S National Parks & Monuments. While some of the motives are just what the average tourist sees through the camera, some of them I selected (and will release one by one) show those tourists spots from a different viewpoint . Thus, the first card shows a meadow in Yellowstone National Park in June. If you look at the grass, you'll see how frosty it is up there, even in summer. The second of the series is one of my (perhaps hundreds of...) standard shots of Yosemites Tunnel View with one exception: Bridalveil Fall is in full stream and just spectacular. My tribute to my time in California, which earned me AA6HM anyway.
A few others are from Arches National Park, we love because the have one of the last public BBQ grounds in the Moab area :-). In my opinion, Delicate Arch (the one on the Utah license plate) is displayed so often, somebody should start to show the many remaining beautiful arches, too.







  • 1951 Born in Menden, Germany
  • 1970 Licensed as DK5DC in October 1970
  • 1973 After graduation, joined IBM Corp
  • 1975 Licensed as FC0CQZ later changed to TK0CQZ
  • 1980 married the best girl , my wife Martina
  • 1981 First publication:Programmieren in Forth - the German Reference for the (at that time) very popular programming language
  • 1981 Started to publish regular articles covering processor architecures and programming techniques in the major German computer magazine: c't (a few of them made their way to Byte Magazine.....
  • 1987 Begin of a three year assignment in Santa Clara,CA concentrating on telecommunication software development. Developed/ported Binkleyterm/Atari ST,a mailing and file transfer environment for FIDONet, a true predecessor of the internet :-). !
  • Licensed as AA6HM
  • 1990 Back in Germany - new job as a Networking and Systems Management Architect inside the company. Started work on GNOS - an extended NOS Environment based on KA9Qs work - mainly because of the different Packet topology in central Europe ( a NETROM/RMNC ruled environment with very few TCP/IP gates)
  • 1991 - today -regular assignments ( 6 to 12 weeks/2-3 times a year) in Raleigh,NC -San Jose,CA and Austin,Tx, mostly for working on so called 'Redbooks', highly technical publications covering various IT related topics. In my case, obviously covering Systems Management themes.
  • Activating AA6HM mostly in CW/QRP (5 Watts)
  • 2009 Back in the air using the above mentioned little setup and havin' *A LOT OF FUN*. First time participation in ARRL CW and SSB DX contest and also did some country hunting during WPX SSB contest......
  • 2010 Appointed DXCC card checker.
  • 2011 Appointed editor of the montlhy DX column DXtra in the German magazine CQ DL
  • 2014 Retired after 40 Years at IBM Corp. Elected DARC (German Amateur Radio Association) Region Director for Southern Westphalia managing some 1500 fellow amateurs.



8370006 Last modified: 2017-10-05 07:56:25, 14624 bytes

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QRZ Logbook Summary for - DK5DC
Latest Contacts for DK5DC at QRZ.com
dedateband mode grid Country op
9J2T 2014-03-10 20M SSB KH35is Zambia Silvano
W1AW/4 2014-03-09 12M FM EM47dm United States Steve
7X3WPL 2014-03-08 10M SSB JL18aa Algeria Amateur Radio Club *Sahara DX *
OY1CT 2014-03-08 17M CW IP62lc Faroe Islands Carsten
LZ136LO 2014-03-07 15M SSB KN22mt Bulgaria Balkan
EP3HF 2014-03-07 15M SSB LM62ma Iran Sadegh
C6A/9H5G 2014-03-07 10M SSB FL24ag Bahamas
EX8VZ 2014-03-07 12M SSB MN71bq Kyrgyzstan Nurmat
OY9JD 2014-03-07 12M CW IP62oa Faroe Islands Jon
TO2CC 2014-03-06 12M SSB Guadeloupe Gildas
C6AMM 2014-03-06 12M SSB FL24ag Bahamas William
9J2T 2014-03-06 12M SSB KH35is Zambia Silvano
OY1OF 2014-03-06 15M SSB IP62mm Faroe Islands Olavur
TA1AMO 2014-03-05 12M SSB KN40kx Turkey Umit
OD5ZZ 2014-03-05 17M SSB KM74wk Lebanon Walid

Book Totals: 5314 qso's   693 confirmed Get a free logbook at QRZ.COM

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