The Voice Quality Modes
(2016-02-27) PE1ITR
If you're wondering how the spectrum looks of the various digital voice modes on the amateur bands
this page shows several examples. Below an example of FM, C4FM, DMR and D-Star.
At the bottom a picture with d-ATV and FM.
FM
C4FM VW
C4FM dn
DMR
D-STAR
left on 1291MHz DATV from PI6EHV and right on 1298.4MHz FM from PI6EHN
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