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Canadian Military Aeronautical Communications System (MACS)

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By Andrew VE4KL 1 min read

MACS Locations

 SiteNameLatitudeLongitude
EdmontonRXRiverbend53.67799-113.31629
 TXCardiff53.78539-113.54327
TrentonRXCarrying Place44.03212-77.55042
 TXPoite Petre43.84366-77.14800
DebertRXMasstown45.37714-63.43516
 TXGreat Village45.42124-63.55974

MACS Frequencies

All stations are remoted to Trenton, call sign TRENTON MILITARY

Initial Contact

Freq (kHz) (West of 90W)Freq (kHz) (East of 90W)
1127111232
89899007

Working Frequencies

Freq (kHz)Freq (kHz)Freq (kHz)Freq (kHz)
304767061123215031
309267451126517994
470389891127118012
571790071325723250

During SAR operations, oinly those stations actively engaged in these operations will make use of 5717 kHz. Aircraft other than those participating in SAR operations will be instructed to change to another MACS frequency.

Trenton Automated Hourly Broadcast Schedule (VOLMET)

  • QAM = Actuals
  • QFZ = Forecasts
FreqTime
15034 kHz1000Z-0000Z
6754 kHz2300Z-1100Z
TimeIdentLocation
H+00 to H+10 No Broadcast
H+10 to H+15CYAWShearwater
 CYZXGreenwood
 CYQXGander
 CYHZHalifax
H+15 to H+20CYBGBagotville
 CYTRTrenton
 CYOWOttawa
 CYYZToronto
H+20 to H+25CYYCCalgary
 CYODCold Lake
 CYWGWinnipeg
H+25 to H+30CYQQComox
 CYYJVictoria
 CYVRVancouver
 CYXXAbbotsford
H+30 to H+35LDZAZagreb
 LDSPSplit
 LIPYAncona
 BGTLThule
H+35 to H+40EINNShannon
 EGPKPrestwick
 BIKFKeflavik
 LPLALajes
H+40 to H+45CYAWShearwater
 CYZXGreenwood
 CYQXGander
 CYHZHalifax
H+45 to H+50CYBGBagotville
 CYTRTrenton
 CYOWOttawa
 CYYZToronto
H+50 to H+55CYYCCalgary
 CYODCold Lake
 CYWGWinnipeg
H+55 to H+60CYYJVictoria
 CYVRVancouver
 CYXXAbbotsford
Aviation, Military
aviation radio air traffic control
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