2182 kHz is the international radiotelephone distress frequency. It is also used for a calling channel. The authorized mode of emission is H3E (single-sideband full carrier). A3E (double-sideband full carrier) is only authorized for equipment:

Question

2182 kHz is the international radiotelephone distress frequency.  It is also used for a calling channel.  The authorized mode of emission is H3E (single-sideband full carrier).  A3E (double-sideband full carrier) is only authorized for equipment:

Accepted Answer

Solely intended for distress and safety communications

Answer

Built and sold after the GMDSS implementation date

Answer

Built and sold before the GMDSS implementation date

Answer

Solely intended for ship-to-shore public correspondence

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