Table 3-1.-Correlation of Dial Settings with Pulse Position
IFF TRANSPONDER RESPONSE.— Table 3-1
Mode 4 reply pulse video characteristics are
shows the correlation of dial settings with pulse
determined by the computer. The reply is framed by
positions. If you use this table, along with the
two pulses spaced 23 (±0.05) microseconds apart. In
examples given in figure 3-20, you will get an idea of
modes 1, 2, and 3/A, the presence or absence of
what the pulse trains will look like for the various
information pulses at predetermined spacings is
codes. Figure 3-21 shows the interrogation and reply
determined by the settings on the transponder control
pulse train characteristics.
box. In mode C, this information is determined by the
Figure 3-20.-Information pulse train examples.
3-18
