Malo o povijesti radioamaterizma na linku:
http://life.itu.int/radioclub/ars.htm (http://life.itu.int/radioclub/ars.htm)
73
Martin 9A2JK
Nije prošlost, nego sadašnojst, ali je povezano.
''Radio Handbook on Amateur and amateur-satellite services'' na linku
https://www.itu.int/dms_pub/itu-r/opb/hdb/R-HDB-52-2014-OAS-PDF-E.pdf (https://www.itu.int/dms_pub/itu-r/opb/hdb/R-HDB-52-2014-OAS-PDF-E.pdf)
73
Martin 9A2JK