▚ ULTRAMODEM
acoustic FSK data link —
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MODE
◉ RECEIVER
MIC STATUS
OFFLINE
DETECTED FREQUENCY
— Hz
SIGNAL STRENGTH
0%
DECODED BIT
–
◉ LISTEN
■ STOP
18420–18580 Hz → bit 0 · 19420–19580 Hz → bit 1. Anything else is noise.
LINK STATE
IDLE
FREQ
—
→
BIT
—
→
SYNC
—
→
BINARY
—
→
CHECKSUM
—
→
TEXT
—
RECEIVED BIT STREAM (rolling)
—
RECEIVED MESSAGE
nothing received yet
EVENT LOG