simpletone
ACARS
AERSELCL
ANDVT
ARGE3IDL
ARQIDLE
ARQM2
BR6028
CLOVER
DCF77
DECCA
DGPSMSK
DGPSQPSK
GMDSS
QWEN149K
HYPERFIX
LINK11
LORANC
M05
MORSE
NDB
OTHR1
PACTOR
PAKET300
RTTY
SELSCAN
SITORA
SITORB
SSTV
SWEDARQ
USAFVFT
WEFAX
NULL SOUND!!!!