> is that dynamic > variable, does it increment amplitude level symbols based upon > updating ARQ feedback,
No > Or fixed symbol based > upon manual operator setting, or a link initialization routine? Yes. The transmitter sets the mode, the rx will adapt automatically > Which > modem is it? The DRM modem used in easypal/hampal/digtrx/windrm snr values are about +5db for qam-4 (qbpsk) and +9db for qam-16 (the one with amplitude part)
