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Writer's pictureMr Telegraph

DA0SD, vintage radio activities



Special Callsign of a group of radio amateurs interested to keep radio history alive. The callsign DA0SD contains the abbreviation "DASD". The DASD, shortform of "Deutscher Amateur Sende- und Empfangsdienst", was the Amateur Radio organization from 1927 to the end of WW2. Radio history in Germany is a very special topic. Unlike in most countries, transmitting Radio Amateurs had to walk a very rocky path in our country. From the very beginning, the government was hindering private persons acquiting permissions to get on the air. In the early 20'ies even a special permission was needed to build a simple regeneration broadcast receiver using tubes. They feared of the transmissions when the radios were brought into oscillation. The paper was called "Audionversuchserlaubnis" and was pretty expensive. The "Reichspost", was extremely restrictive in granting transmitting licenses. In 1929 only 136 "Versuchssendergenehmigungen" were granted, but only 6 (!) of them were for individual persons. As a consequence most of the radio enthusiasts were forced into illegality. The list of unofficial calls was kept secret. From 1933 on, the young radio club DASD was more and more influenced by the NS-system. A lot of famous amateurs stopped their activities under the new regime....or were stopped as they were not "politically correct". Others tried to continue the hobby under difficult boundary conditions.


When the DARC could be formed after WW2, the club could build on the foundations of the former DASD.


The German Radio Amateurs were robbed of the most exciting time in history of Amateur Radio, the early days. It is important not to forget the difficult birth of our hobby in Germany. In the first half of the 20th century, Amateur Radio in Germany was only possible because the OM's tried to get organized as quickly as possible. Nowadays, when frequencies, a physical size not knowing of any borders, get sold to financially strong companies, it is more then ever of great importance not to leave the radio club and stay organized. Unity and professional expertise is the key to success for the future survival of our hobby. A review of the past is always helpful, so our small group will not get tiered in researching the history of our hobby. If you hear DA0SD on the bands, we will use old equipment, originals or replicas. Call us transmitting both calls and allow us some time to tune our simple receivers.


If you have any questions, don't hesitate to contact us. We built up a small archive, so it is quite possible that we will find an answer to your question. If you have any papers (books, documents, QSLs, pictures) or technical fragments from that time, we would be very interested to have a look on it! Thanks in advance for your support!


Tom, DJ5RE for the "Freundeskreis Funkgeschichte".


QSL: via DJ5RE

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