DF1FO's  ARDF-Receivers         Nick Roethe  DF1FO    call@darc.de
Welcome to my ARDF-receiver website!
Here you will find up-to-date information about my processor-controlled ARDF-receivers. Please note:
these are homebrew-projects. I can help you with the aquisition of parts and the alignment, but you have to build it yourself!

2m Receiver  2m     80m Receiver  80m  

2m-Receiver
To get started have a look at the Overview  
Browse or download the detailled Documentation  (doc-Format, 3,2 MB, Update October 07)
The  Assembler-Sourcecode Version 4.4 , browse with wordpad or load into AVR Studio 4 (December 2008)
Datasheets of some ICs used (PDF):  TCA440 (75 kB)    TSA6057 (94 kB)   
Fotos and descriptions (in German) of many versions of this receiver in the Gallery Part 1 , Part 2 and  Part 3 .
 
80m-Receiver
Description of my 80m Receiver Version 4  (doc, 3,2MB, January 09)
The  Assembler-Sourcecode Version 1.3 , browse with wordpad or load into AVR Studio 4 (December 2008)
Outdated: Description of my 80m Receiver Version 2  (doc, 2MB, January 09) and related Sourcecode

Much more information in German on this and other ARDF projects can be found on my German homepage
If your German is a bit rusty, try translate.google.com!