Joel Kolstad wrote:
I would think it would be for the same reason as SSB for AM? To achieve
half the bandwidth utilization for a given signal? (But at the expense of
3dB poorer SNR...)
^^^^^^^^^^^^^^
It occurs to me that this part of my comment is non-sense given the
machinations one has to go through to compute SNR through an FM channel
anyway. Sorry. One wonders what the SNR degradation _would_ be, however.

---Joel Kolstad