Trying to ID aero freqs

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datainmotion

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Howdy all,

Trying to ID the following logged freqs (searches here and google not helping):
120.150
124.775
125.375
128.475
129.175 (? airline ops)
129.300 (? airline ops)
130.525 (? airline ops)
130.775 (? airline ops)
130.875 (? airline ops)
131.675 (? airline ops)
133.625 (189 hits in the last 12 hrs!)

Any help would be appreciated!
 

Mick

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These are the only frqs from your list that I have logged from Colorado Springs:

124.775 Denver Center
130.775 Delta Airlines
 

abqscan

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124.775 zdv (h)
125.375 kden clnc del
129.300 ual ops
130.525 haven't id'd
130.775 arnic phone patch
130.875 de-ice ops at dia
133.625 den tracon fr4
 
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datainmotion

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124.775 zdv (h)
125.375 kden clnc del
129.300 ual ops
130.525 haven't id'd
130.775 arnic phone patch
130.875 de-ice ops at dia
133.625 den tracon fr4
124.775, 133.625, 125.375 and 130.875 aren't listed on this website at all for KDEN or ZDV, respectively. Maybe someone should submit them? *cough cough*
 
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jeffreyinberthoud

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Are we talking specifically DIA here? if so Ill have to see if I can set up my lap top and record some data since Im now working there 10 hours a day........................... I do kinow there is a ton of traffic out here
 

datainmotion

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133.625

This channel seems to be a simulcast (?) of another controller channel. You can only hear the controller vectoring aircraft in to DEN, but no pilot responses.
 

abqscan

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Certain sectors aren't as busy as others, so a contoler can manage multiple sectors and sync all the different sector frequencies together to make their life easier. Thats my guess why your hearing the controler, and not the pilots.
 

datainmotion

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This could be a simulcast of an App/Dep channel as well. I still don't see any assignment for it here or on the charts (if it is ZDV)...
 

datainmotion

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120.150

120.150 is definately a simulcast of KDEN Ground, again with only the controller being heard.
 

datainmotion

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125.125

Listening to 125.125 sounds like a simulcast - again, controller only. Sounds like App/Dep...
 

datainmotion

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133.625

I see someone has inserted this into the DB as "Approach West - Low Altitude". How have we confirmed this?
 

captaincraig44

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That was me. I don't have the fancy sector number or anything like that for it, but coming from the west when they are landing on 7, I've been handed off to this freq most every time. Occasionally when landing the 35s as well.
 

datainmotion

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That was me. I don't have the fancy sector number or anything like that for it, but coming from the west when they are landing on 7, I've been handed off to this freq most every time. Occasionally when landing the 35s as well.
That's good enough for me ;).

I'm wondering why I can't find any FAA documentation on this though?
I'm no too far North of that approach and I've only heard the controller...

I'm always looking for anything needing to be added to the KDEN/ZDV Feeds, so I'll toss this one on there.
Any info on the other two I've logged - 125.125 and 120.150?
 
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abqscan

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That was me. I don't have the fancy sector number or anything like that for it, but coming from the west when they are landing on 7, I've been handed off to this freq most every time. Occasionally when landing the 35s as well.
The Fancy Sector # is FR4. The FR stands for Final Radar. :D
 

captaincraig44

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That's good enough for me ;).

I'm wondering why I can't find any FAA documentation on this though?
I'm no too far North of that approach and I've only heard the controller...

I'm always looking for anything needing to be added to the KDEN/ZDV Feeds, so I'll toss this one on there.
Any info on the other two I've logged - 125.125 and 120.150?
Not sure if they would run the transmitter 24x7, even if they are not actively using it for arrivals. If so, that could explain your hearing the controller and no A/C.
I'm trying to think if I've been handed off to the 133.625 from the NW arrival gates. I'm not 100% sure I have been, so maybe a more accurate description would be "West and SW arrival". I'll keep an eye, err, ear out, next time we're coming from the NW and landing 7. Just about every time we're on the POWDR arrival and they're landing 7, we'll get this after the initial DEN approach controller.

As for the other freqs you listed, none look familiar at all to me. Do you have any recordings from them, or info about what time of day you got hits on them?
 
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captaincraig44

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I don't know if anyone would have a hissy fit over it, but the ground freq descriptions could be simplified to Ground West and Ground East vs the rather verbose "Rwy 34L. . . " That is how it is shown on the Jepp 10-9's.
Just a suggestion.
 

datainmotion

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I agree, but assume the Admins do that to keep everything as its listed by the FAA.

On another note, would it be correct to consider TOMSN FOUR and RAMMS FIVE as NW arrivals?
 
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