Signature Control: is used to control when the IRIG modulation will be present. This func
tion allows the modulation to stop under certain conditions;see also "Signature Control"
on page136.
Format: Used to configure the desired IRIG output formatting. The possible values are:
IRIG A
IRIG B
IRIG G
IRIG E
NASA-36
Modulation: Changes the type of output signal modulation. The possible values are:
IRIG DCLS—A TTL-modulated output.
IRIG AM-–An amplitude modulated output. The amplitude of the output is determ
ined by the value entered in the Amplitude field.
Frequency—The IRIG modulation frequency. This is determined by the con
figuration of Format and Modulation Type. See also: "IRIG Carrier Frequencies"
on page524.
Coded Expression: Defines the data structure of the IRIG signal, where:
BCD = Binary Coded Decimal
TOY = Time of Year
CF = Control Field
SBS = Straight Binary Seconds
The possible values will vary according to the values of Format and Modulation
Type
Message: The IRIG message of the output.
For IRIG frequency and output specifications, see "IRIG Standards and Specifications" on
page523.
5.2.5.3 STANAG Out [1204-11, -25]
The STANAG Output option card models 1204-11 and 1204-25 provide (2) configurable
STANAG outputs and (1) 1PPS output for the SecureSync platform.
SecureSync User Reference Guide 413
APPENDIX
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