First time hearing this mode.
R 232100Z Feb 2018 NR 085
ALCOGARDAUX COMSTA DE COGARDAUX COMSTA NF07HF
This is a propagation test transmission from COGARDAUX COMSTA
NF07HF in South Eastern Georgia. This message was sent using
MT63-1KL, audio centered at 1500 Hz.
If you are acting as a monitoring station, report the
results as specified in the email instructions
AR