DemodOFDMSubcarDelt
This is a Data Header variable.
Type = Long
For OFDM Orthogonal Frequency Division Multiplexing: OFDM employs multiple overlapping radio frequency carriers, each operating at a carefully chosen frequency that is Orthogonal to the others, to produce a transmission scheme that supports higher bit rates due to parallel channel operation. OFDM is an alternative tranmission scheme to DSSS and FHSS. traces, DemodOFDMSubcarDelt specifies the delta between frequency domain points in terms of number of subcarriers. Normally this is assumed to be 1 but it could be larger when displaying only pilot subcarriers.