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DM1CM Germany flag Germany

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Main interests

One of my main interests in amateur radio is contesting, where I'm always trying to beat my own previous record, and where I might occasionally come in the top three of a category. But only if I choose the right contest ;-) - in the big worldwide contests, I'm very lucky if I can get into a top 100. The other thing about contesting which I like is that there is no requirement or obligation to send QSL cards. Because I have NO interest in sending or receiving QSL cards.

Also important to me are the ham-radio oriented websites which I maintain - these are:

  • SOTA Mapping Project (SMP) at http://www.sotamaps.org/ - this is an online mapping application for the SOTA (Summits On The Air) award scheme. I was fortunate indeed to have been awarded the SOTA Sherpa Award 2014 by the SOTA organisation, in recognition for my contributions to the SOTA program. Here's the certificate:

which I am very grateful to have received.



Club Station DK0IW

I'm a member of my local Amateur Radio Club, the Isarwinkel club DK0IW (IW = Isar Winkel) in the German DOK C07. The Club is fortunate enough to have a Club Station out in the country - so QRM is normally at a minimum - a few kilometers east of Bad Tölz, and on top of a small hill surrounded by rich meadows, moorland and mixed woods. The Alps are just a couple of kilometers away to the south.

The station is doubly fortunate to own a 34-meter vertical antenna - perfect for 160 meters - and the Club often achieves good results in the CQ World Wide 160-Meter Contest. The antenna can also be made to tune onto other bands (apart from 80-meters), and I myself have made contact with Ducie Island on 20m and 40m using it.

We also have a Titanex 11-element wire log periodic on a small mast, not really very high, but it works OK.


Operating portable

I have in the past operated from Tuscany in Italy, where I signed as I/DM1CM.

While operating there, I received numerous calls telling me that I should be operating as I5/DM1CM, the "I5" being the regional prefix for Italian stations operating from Tuscany. So, is "I/DM1CM" or "I5/DM1CM" correct?

In fact, the regulations for CEPT licensees operating from other CEPT countries are very clear on this point: "I/DM1CM" is the correct way to sign in this case.

Referring to the document "Recommendation T/R 61-01" issued by the CEPT ECC (Electronic Communications Committee) , Section 2 "Conditions of Utilisation", Subsection 2.3:

"When transmitting in the visited country the licence holder must use his national call sign preceded by the call sign prefix of the visited country as indicated in ANNEX 2: and ANNEX 4:. The call sign prefix and the national call sign must be separated by the character "/" (telegraphy) or the word "stroke" (telephony)."

ANNEX 2 in that document gives the call sign prefix for Italy as simply "I".

So, the following examples should make the situation clear:

  • DM1CM operating from Tuscany, Italy should sign as I/DM1CM, NOT as I5/DM1CM;
  • DM1CM operating from Crete, Greece should sign as SV/DM1CM, NOT as SV9/DM1CM;
  • DM1CM operating from mainland Finland should sign as OH/DM1CM;
  • DM1CM operating from Aaland Islands, Finland should sign as OH0/DM1CM;
  • DM1CM operating from Arizona, USA should sign as W7/DM1CM;
  • DM1CM operating from Wake Island should sign as KH9/DM1CM;
  • DM1CM operating from Bonaire should sign as PJ4/DM1CM,


You can also find a link to the document "Recommendation T/R 61-01" at the IARU website: http://www.iaru-r1.org/index.php?option=com_content&view=article&id=206:tr-61-01

1629713 Last modified: 2015-01-23 04:00:18, 6275 bytes

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