• Effective immediately we will be deleting, without notice, any negative threads or posts that deal with the use of encryption and streaming of scanner audio.

    We've noticed a huge increase in rants and negative posts that revolve around agencies going to encryption due to the broadcasting of scanner audio on the internet. It's now worn out and continues to be the same recycled rants. These rants hijack the threads and derail the conversation. They no longer have a place anywhere on this forum other than in the designated threads in the Rants forum in the Tavern.

    If you violate these guidelines your post will be deleted without notice and an infraction will be issued. We are not against discussion of this issue. You just need to do it in the right place. For example:
    https://forums.radioreference.com/rants/224104-official-thread-live-audio-feeds-scanners-wait-encryption.html

ORNGE Air Ambulance

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#8
I rode in an air ambulance recently (passenger not victim). They used a sat phone for comms to the hospital and comm center from take off to arrival on scene. Nearing the scene they used 150.1 to confirm some patient data and verify the landing area and conditions with the EMS crews on the ground. On takeoff the hospital where they were heading to was verified with the ground EMS crew on 150.1. The helicopter then switched back to the sat phone to the hospital for patient details and instructions.

The airband freqs used were 129.275 for take off from the hospital helipad and entry into and through local traffic with the local low altitude freq monitored.
 

exkalibur

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#10
Some CACCs (London, for sure) also have access to the 129.275 AM air-to-ground channel, though I've never heard them on there before.
 
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#14
BTW you can also listen on 418.6875,. the UHF downlink frequency. If the 413.6875 can't be heard in your area, the planes at great height (and distance) might be heard.

Dave
 

VA3DBJ

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#15
413.6875 - UHF 799 Base Comm - Toronto, Windsor, London, Ottawa, Kenora, Thunder Bay and Sudbury
418.6875 - UHF 799 Mobile Comm - Air Ambulance roughly 50 km in-range of above sites
150.1000 - MOH PCOMM - CACC and accident site comms - Most areas
129.2750 - VHF Comm - usually the fixed wing aircraft
 
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