Manual for the AN/GRC-9,  the "Angry Nine".
The manual is a Europeean version made in France for NATO.
Compliments of Erik Thomassen, LA6TJA.
German version, compliments of Heiko Damerau, DL3DR / F5VIN.
Italian version (grc9.pdf) Scuola trasmissioni Roma Ottobre 1962 saluti
Berna