The Single Operator Classic Overlay categories will continue to prohibit the use of QSO alerting systems and should be considered by participants preferring to be unassisted. The use of QSO alerting systems in CQ WW WPX RTTY has been permitted since the mid-1990’s This step further aligns CQ WW WPX SSB / CW with CQ WW WPX RTTY.It is becoming increasingly more difficult to draw the line between assisted and unassisted operations as SDR technologies become more integrated with contest software / networks.Use of QSO alerting systems by single operator participants is allowed in 70% (33 or 47) of the international DX contests recently reviewed, including CQ WPX RTTY.The drivers for combining the Single Op Assisted and Unassisted categories include: This change also results in elimination of the requirement for audio recordings. QSO alerting systems will now be permitted in all CQ WW WPX SSB and CW Single Operator categories, except the Single Operator Classic Overlay categories. It is not intended to replace, or compete with, other multi-operator categories. Six bands may be activated simultaneously. All equipment, including remotely-controlled equipment, must be located in same DXCC entity and CQ Zone. Stations operating in this category may have a maximum of six transmitted signals, one per band at any one time, from stations in different locations.
The second is that QSO alerting systems (cluster spotting) will be permitted for all single operator categories. The first ia new a new Multi-Transmitter Distributed category. The 2021 CQ WW WPX RTTY, SSB and CW contests will introduce two significant rule changes.
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