The supplemental downlink channel may be referred to as a GSM Prime channel.

The IM communication channel is different than the primary communication channel.

The invention relates to a burner for combustors (2) of gas turbines, said burner having an atomiser nozzle (3) for atomisation of fuel in the combustion air and having a primary and secondary flow channel (4, 5).

The receiver receives first orthogonal Gold codes (OGCs) on a primary sync channel and second OGCs on a secondary sync channel synchronized with the primary sync channel symbol by symbol.

The access point configured to communicate over a primary subchannel and a secondary subchannel.

A primary transceiver and an auxiliary transceiver may be configured for asymmetrical full-duplex operation when access to both the primary channel and the auxiliary channel is granted.

At least one of the plurality of secondary channels (180) intersects the primary channel (178).

The method may also comprise determining an estimation of the primary Channel.

Further, a primary channel of the existing network may not be used as a secondary channel in the new network.

A speaking endotracheal tube (10) includes, in addition to a primary ventilating channel (11), a secondary speaking channel (12).

A piston (62) dividing the chamber into two portions has a primary channel (74) and a secondary channel (76).

The primary channel is configured to receive an arch wire therein.

If a primary channel fails, one of its backup channels is activated to become a new primary channel.

A receiving unit capable of receiving the GSM Prime channel is also disclosed.

In case a primary channel fails, one of its backup channels is activated to become a new primary channel.