SENSOR DATA 



100 HZ CLOCK 



MANCHESTER 

 CODED DATA 



+60" 



CARRIER PHASE 

 -60' 



Figure 6. — Modulation Definition, 



TRANSMIT CARRIER ' 

 UNMODULATED AT ^ 

 O"* PHASE 



TRANSMIT ±60° PSK ' 

 ALTERNATE 1,0 L 



PATTERN I 



TRANSMIT 46-BIT ' 

 PREAMBLE ■- 



I 

 TRANSMIT SENSOR | 

 DATA ASCII ,. 



TRANSMIT 3 ASCII , 

 EOT CHARACTERS ;. 



I 



4.9 S (MIN) 



2.4 



(MIN) 



0.46 S 



0.08 X N S 



^ 



0.24 S 



^r~t 



-11.0 



(MAX) 



■OXE 



: N - NUMBER OF 8-BIT ASCII CHARACTERS OF SENSOU DATA 



Figure 7.— Platform Transmitter Response Timing. 



- 13 - 



