Наконец то появилась ясность и правила на сайте тоже слегка поправили... Дабл CQ запрещено.
4.2. Multi Operator, Single Transmitter, Mixed Mode only
4.2.1. Must remain on a band and mode for at least 10 minutes before changing bands or modes. There are no exceptions. The "10 minute clock” starts when a QSO is logged.
4.2.2. Only one transmitted signal is allowed at any given time. There are no exceptions.
4.2.2.1. Alternating CQs on two or more frequencies on the same band is not permitted.