$SourceFrequency
Format
$SourceFrequency freq range fσ ft0 // all are floating points.
Source%freq, Source%range, Source%fac_sig, Source%fac_t0
When the units digit of type in $SourceType is 1: only freq works, which represents what the frequency is. 2: 3: 4:
Example
$SourceFrequency 1e15 0.5e15 3 5