Telephonics RDR-1600 - Page 47

1-30 TM106601_(7/01)
USE OR DISCLOSURE OF DATA CONTAINED ON THIS PAGE IS SUBJECT TO THE
RESTRICTION ON THE TITLE PAGE OF THIS DOCUMENT.
C
OMMAND
S
YSTEMS
D
IVISION
Table 1.6-5. DO-172 Beacon Transponder Codes
FOUR CODE PULSES
IN BINARY CODE
BEACON FIRST SECOND
IDENTIFICATION FRAME 1 2 4 8 FRAME
CODE PULSE (LSB) (MSB) PULSE
0 1 0 0 0 0 1
1 1 1 0 0 0 1
2 1 0 1 0 0 1
3 1 1 1 0 0 1
4 1 0 0 1 0 1
5 1 1 0 1 0 1
6 1 0 1 1 0 1
7 1 1 1 1 0 1
8 1 0 0 0 1 1
9 1 1 0 0 1 1
A (10) 1 0 1 0 1 1
B (11) 1 1 1 0 1 1
C (12) 1 0 0 1 1 1
D (13) 1 1 0 1 1 1
E (14) 1 0 1 1 1 1
F (15) 1 1 1 1 1 1
F1 B1 B2 B3 B4 F2
0.5 +/- 0.1 uSec
3.0 +/- 0.1 uSec
15.0 +/- 0.2 uSec
128.2 +/- 0.2 uSec
4.7 uSec delay
10 nm Range
TX Pulse