SQ3 telemetry data format



Transmitter: ~144.00 Mhz

1 frame per minute

F = frame number        0 to 99 and then rollover to 0; leading zero retained
I = inside temperature  0 to 255; leading zeroes retained
O = outside temperature 0 to 255; leading zeroes retained


CW data:     F07     I234    O186        1 data set per frame
RTTY data:   I=234   O=186   B=076       2 data sets per frame

CW at approximately 18 WPM rate.

RTTY on-off keying (see ARRL Handbook) at 110 baud ASCII, 7 bits, no
parity, 2 stop bits.

Decoding tables for temperature and battery voltage available closer
to launch day at this page.