IOA Guayaquil :

 

listen to this recording from the collection of Willi Passmann

friendly verification letter (Frank Schüttig, 1978)
another nice letter from 1978 (Willi Passmann)
nice and detailed QSL-card with letter, from 1982 (rb)
a rather recent QSL from the colllection of Fabricio Andrade Silva (2011)

 

look at their homepage

 

------------------------------------------------------------

 

Callsigns:
HCHD2
HD2IOA

 

Frequencies Voice:
3810
5000
7600