Thomson RM-BT-3 VLF shift converter
This is the VLF/HF shift converter used together with the
receiver and with this another unidentified
It can be seen on this picture of the Daphne-class S650 '
' radio room (lower left).
But also on this other picture of the Dugay-Trouin Radio-Room which comes from a YouTube URBEX film.
Last revision: 2012/10/12