Edmonton (Remoted to Trenton)
Voice Call:- TRENTON MILITARY
Initial MACS Contact Frequency:– 9007.0 and 11232.0 (USB) kHz
Frequencies (USB):- 3047.0 3092.0 4703.0 5717.0 6706.0 6745.0 6754.0* 8989.0 9007.0
11232.0 11265.0 11271.0 13257.0 15031.0 15034.0* 17994.0 18012.0 23250.0 kHz.

Trenton
Voice Call: TRENTON MILITARY
Initial MACS Contact Frequency:– 9007.0 and 11232.0 (USB) kHz
Frequencies (USB):- 3047.0 3092.0 4703.0 5717.0 6706.0 6745.0 6754.0* 8989.0 9007.0
11232.0 11265.0 11271.0 13257.0 15031.0 15034.0* 17994.0 18012.0 23250.0 kHz.

*indicates an exclusive Volmet weather broadcast frequency.

St. John's
Voice Call:– ST. JOHN'S MILITARY
Frequencies (USB):- 5717.0 9007.0 11232.0 kHz.

Search and Rescue
Rescue coordination center in Victoria, Trenton, and Halifax have the capability of communicating on any AEM(OR) SB frequency by utilizing phone patch facilities
through their connected communication facilities. Victoria RCC also has a transmit and receive capability on 5717.0 kHz AM.During SAR operations, only those stations actively engaged in these operations will make use of 5717.0 kHz. Aircraft other than those participating in SAR operations will be instructed to change to another MACS frequency.