Non-optimal 11MHz SB frequency causes PM to be transformed into AM.
m_AM / m_PM = 4039 * 1kHz / df , with df beeing the amount the SB freq. is off.
Someone might want to double check ths.
Actually there was an error.
For 11MHz it is:
m_AM / m_PM = 2228 * 1kHz / df
m_AM / m_PM = 99.80 * 1kHz / df