Hi, I'm Arthur from Berlin. I was born in Moers - a small city in Germany near Duesseldorf. I'm in Berlin since 1971 . I have studied electronics and economics and finished with dipl. engineer. I made my hamradio license 1982. My hobbies are hamradio, music - production also, watersport, fishingand computering, mathematic/physic and much more I worked at the IBM company and finished my work end of year 2000.

Please have a look on my homepages: Please try the first address,

1.http://www.mydarc.de/dl7ahw/ or 2. http://dl7ahw.bplaced.net/

Here you can find the calculation programs in German: http://www.mydarc.de/dl7ahw/berechnen00.htm

and here the programs in English: http://www.mydarc.de/dl7ahw/berechnen00e.htm

 

On my hompages you can read many things about me, my interested hobbies, my small antennas for shortwaves (they are only 5 - 20 cm long, builded from hairspraycans and with a very good efficiency) also the antenna building description.

73 de DL7AHW====>> More pictures on the next pages

Arthur

My first 80m antenna 2001/2002, 45cm long. Peter,dl2fi and I talked about my antenna 2002

My 40m antenna 15cm long and DL7AHW in action, QRP 5 Watt.

 

Constructions details of my capacity 40 m band antenna:

 

80 m Capantenna from do1hbf 15cm diameter, 1.8m high. Cable break for all cap antennas. More on my homepages.

 

Alternative circuit diagram of the capacitive hairspraycan antenna:

 

 

Equivalent circuit diagramm from the hairspraycan antenna

 

My Teddies antennas

My disguise antennas Teddy2 and Teddy1 for 40m and 20 m band approx. 25 and 20 cm long!

 

And here my metallball antenna. 15cm diameter.

 

And now the antenna in use

 

 

Country visitors since 01.07.2010