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| | |-+  Pilot inquiry about coupling frequencies
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Author Topic: Pilot inquiry about coupling frequencies  (Read 7939 times)
m50
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« Reply #15 on: October 14, 2005, 12:30:23 PM »

Those distances are awesome !!! It will be cool if we find a streamer in Gander  or Iceland
I am trying to find a consistant stream provider for the west coast of Ireland where Shannon atc takes up from the Atlantic HF....I stream EIDW
but I am out of range of the west coast transmitters.
On DX tuners the Irish station Waterford will recieve a lot of High stuff but is also out of range of the ground atc. cry
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Jonathan_tcu
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« Reply #16 on: October 14, 2005, 08:35:49 PM »

I have a sector map of Moosonee sector for 133.97, and I do this really weird thing of looking at visible contrails in the sky and try to match the tracks flown by the high level traffic.  I also try to guess which aircraft Montreal is talking to and which sector he's handing off, based on the aircraft's direction of flight.
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FSS wannabe, just curious about stuff, that's all.
Jonathan_tcu
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« Reply #17 on: October 14, 2005, 08:38:56 PM »

Quote from: JetScan1
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I'm listening to Montreal right now on 133.97. I remember about 6 months ago, the controller mentioned he looks after 4 or 5 sectors and up to 9 different frequencies all at one time. How can that be? Right now, being close to 2300z, the 120.72, 118.97 and 133.02 if I'm not mistaken are linked up together.


I was listening to the same area (118.975 using the Moosonee DX Tuners radio) between 0200Z and 0400Z and the one controller was working all the northern sectors, confirmed on 118.975, 133.975, 120.725, 133.025, 119.400, 126.500, 132.800, 133.775, 133.200, 134.725, and unconfirmed 132.450 (or either 135.800/134.200, probably transmitting on all 3).

It gets quite busy around 0300Z when the west coast traffic starts checking on. As an example, BAW278 (Speeedbird 278) from LAX-LHR, initial contact on 134.725 at 0311Z reporting over DUGNO (on SCA track G) with next position over YFB (Iqaluit), told to change to 132.800 passing 74W, then reported over YFB at 0354Z eta MUSVA at 0410Z next position 64N60W, told to stay on 132.800 until MUSVA (64N63W) then report position to Gander Radio on HF 5649 primary 2872 secondary.

DJ


DJ, thanks for your info.  I hear those all the time.  I always try to imagine the flight or follow co-ordinates if I can get my hands on a good map to follow the flight's planned routing.  I hear MUSVA and all of those above listed waypoints and air way fixes all the time.  I suppose the high level controllers are always on the hotline, because the guy's mic at Montreal locked up on him once, and I could hear him talking to someone after each hand off.  Must be a busy center.  Just imagine that Toronto center used to handle this traffic over a year ago on the same frequency.
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FSS wannabe, just curious about stuff, that's all.
Jonathan_tcu
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« Reply #18 on: October 14, 2005, 08:42:47 PM »

Quote from: JetScan1
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Does anyone know any other vhf atc that covers such a distance.??

The northern/arctic sectors in the Edmonton FIR cover a large areas as well, but I'm not familair with exactly how they tie up their sectors/frequencies. Another large area with multiple VHF freqs tied together is Brisbane Center covering almost all of the western half of northern Australia at times. Using the Broome DX Tuners radio monitor Brisbane on 134.650 between 1500Z-1700Z and you'll hear 1 controller working around 6 or 7 frequencies with eastbound traffic heading from southeast Asia to eastern Australia/New Zealand.

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How many miles coverage is it Eastbound from DUGNO to hf handover to Gander Radio?

DUGNO-YFB-MUSVA is 519nm. When all the northern sectors are tied together it covers a north-south distance from around 40nm south of Timmins (YTS) to 75nm north of Iqaluit (YFB) a distance of around 1120nm.

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Hey you Canadians have you no contacts that would do some streaming on vhf on your Eastern seaboard to pick up the high leval stuff in the Gander /goose area?

I don't have any, but if there is anyone in Goose, Gander, St. Johns, Sydney, Moncton, Yarmouth, that's were some of the Moncton/Gander remote transmitters are located. When it's slow Gander and Moncton tie all their high frequencies together respectively as well. Another cool site would be Iceland as Iceland Radio covers a very large area on VHF too, from northern Scotland all the way to the west coast of Greenland.

More radios here dedicated to high level sectors would be interesting.

DJ


Thanks again for that info.  That's something else I try to do.  If I hear a controller mentioning a co-ordinate and waypoint, I'll try to figure out if that matches with a regular 80 mile radius for frequency coverage.  I often wonder which controller is working the adjacent sub-north frequenices and handling the same oceaning clearances for more northern flights.
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FSS wannabe, just curious about stuff, that's all.
Jonathan_tcu
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« Reply #19 on: October 16, 2005, 02:34:55 PM »

Looking back in time, history of ATC, can someone tell me when this frequency and sector split all started? Nowdays, does splitting two frequencies with one given sector involve duplicating radar stations?
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FSS wannabe, just curious about stuff, that's all.
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