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Author Topic: Looking for experienced HF ATC listeners  (Read 14395 times)
dave
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« on: March 23, 2005, 10:31:00 AM »

I would like to improve the coverage on the current HF feed.  Up until now it has concentrated on North Atlantic traffic.  During certain times of the day this results in fairly dead listening.  Since I can't put up another HF feed right now, I would like to branch out on this one and cover some north-south routes, for example.  The problem is determining which primary frequencies are really active and when they are active.  I don't have the time to do all the research.

If you look at :
http://www.liveatc.net/HFAERO.jpg

you will find a list of HF frequencies to check out.

The receiver is located in Massachusetts and has good HF coverage of the Atlantic and Carribean areas.

Please post your findings here.

Thanks,
Dave
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Jason
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« Reply #1 on: March 23, 2005, 03:48:47 PM »

Hey Dave -

The Carribean B is very active.  The transmitter is on Long Island and angles South to Southeast.  11330 is the primary day frequency higly active and very busy and 8846 is used at night.  The other frequencies are for back-up for HF radio troubles.  NY ARINC covers Boston/NY Area down to San Juan.  My dad was listening to the HF for giggles today on his way down from FRG-ORL-MGM and said there were a bunch load of pilots giving position reports and other HF calls..etc.  He was telling me that the airlines give a lot of fuel and other info many bizjets do not give which are then transferred to the airlines dispatch department.

If you need any help give me an e-mail.  I can hook you up with a KHF950 or 990 manual and have a great resource (my dad) a phone call away.

He said since the transmitter has the arc (pie shaped) going in the south/southeastern direction that you might not be able to pick it up, but you can sure try.

Hope it helps,
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JetBlue
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« Reply #2 on: March 25, 2005, 08:02:36 PM »

Also for the evenings...Car A 6577 and 5550. For Car B evenings look for 3455 as well as 8846.
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Kieran J O'Hagan
Caribbean HF Feed: http://audio.liveatc.net:8012/car_hf.m3u
Jason
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« Reply #3 on: March 27, 2005, 09:36:50 PM »

Quote from: JetBlue
Also for the evenings...Car A 6577 and 5550. For Car B evenings look for 3455 as well as 8846.


Car B is moderately busier than Car A in my own opinion.  For the Car B in the evening, 8846 is mainly used.  3455 is probably like I mensioned earlier, back-up for radio malfunctions.

It's neat to listen to NY ARINC talk to the pilots.  The ARINC (radio operator) does not have any discression over aircraft so everything is on an "if able" and "requests" basis.

A big thanks go's to Dave for putting on CARB 11330 last week to listen,
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JetBlue
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« Reply #4 on: March 28, 2005, 05:28:09 PM »

I know what you mean...I was listening last night, and 11330 was nuts...followed by 6577. It bordered on insane...one American pilot was trying to get a higher FL because "his fillings were starting to come out." I laughed like hell.
ARINC employs only radio ops, I see, and they input everything into computer which is then sent to ATC. Interesting set up, to say the least.
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Kieran J O'Hagan
Caribbean HF Feed: http://audio.liveatc.net:8012/car_hf.m3u
Jason
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« Reply #5 on: March 28, 2005, 05:34:05 PM »

Yup.  NY ARINC are the radio operators for the controllers.  That's why you hear them say "American XXX NY requests speed increase 300 knots, advise if unable."

It's neat how they go back and forth.  They also sound like their in a tin-can as well because of the general nature of HF Radio  Cheesy
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JetBlue
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« Reply #6 on: March 28, 2005, 08:09:21 PM »

I'm just curious...you said the transmitter points in a pie shape south/southeast. Are there any other transmitters, because CAR A and B boom into me up here in Dutchess County, and I do mean boom in. 6577 and 5550 actually pin the needle on my Drake R8...then again, I may not have much between me and Long Island...interesting to see what kind of antenna they use, etc.
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Kieran J O'Hagan
Caribbean HF Feed: http://audio.liveatc.net:8012/car_hf.m3u
Jason
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« Reply #7 on: March 28, 2005, 09:21:24 PM »

I'm assuming Duchess County, NY?  Like KPOU >>I fly there occasionally.

The HF Transmitters send signals directionally.  The farther south you go, the more coverage.  Maybe this page out of the KHF950/990 can help,



It's interesting that you pick up those frequencies.  Are they busy at all?  I do not know where the transmitters for those are.  They maybe north of Long Island.  I do not know of much traffic on these frequencies.
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JetBlue
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« Reply #8 on: March 29, 2005, 05:37:10 PM »

Early evening, around five or so, NY switches over to 8846 and 6577. And man, can it get nuts. 5550 starts up around six or a little later, depending on propagation. The higher frequencies don't do well for me...when I listen to 13306 or 13354 on NAT families, I hear the aircraft fine, but ARINC is in the mud. Either it's very directional, or the ARINC signal is skipping over me.
Check out those CAR frequencies early evenings, especially on a Sunday night. You will not be disappointed!  Cheesy

P.S. I'm about fifteen miles from KPOU.
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Kieran J O'Hagan
Caribbean HF Feed: http://audio.liveatc.net:8012/car_hf.m3u
sean
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« Reply #9 on: March 31, 2005, 10:12:33 PM »

Hello all..  I was talking to Dave about this, and he thought it was worth a shot, so here goes.

I currently run the PHL feed down at the airport, and have another PC and a zillion soundcards for use.  I'd be willing to supply the PC, set it up, and contribute 50% to the purchase of a computer controlled HF receiver, the Ten-Tec RX-320D.  http://www.dxtra.com/rx320.html

I'd need $175 in matching donations, but we could set it up and the software supports scheduling, so we'd have a constant feed that would vary during the day.  If we got tired of it after a while, it could be changed.  It wouldn't be change-on-demand (as in live), but we could all collectively agree on a decent schedule, I'm sure.

IN ADDITION, we need a decent place to put it.  Someone with a good HF antenna that will provide us with the most bang for our buck.  

Let me know what you think, I'm open to suggestions.

Sean
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dave
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« Reply #10 on: April 01, 2005, 09:46:19 AM »

Some folks were asking about where the NY transmitters are, etc.  I found a neat document related to all this, including an operating schedule for the various stations.

You can download it here

-dave
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PHL Approach
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« Reply #11 on: April 01, 2005, 03:18:01 PM »

Very good find Dave, Can anyone get out to Southhampton and Riverhead and get photos of the transmitters and receivers? That would be cool to see them.
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JetBlue
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« Reply #12 on: April 01, 2005, 04:49:43 PM »

Quote from: dave
Some folks were asking about where the NY transmitters are, etc.  I found a neat document related to all this, including an operating schedule for the various stations.

You can download it here

-dave


Nice...thanks for that, Dave
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Kieran J O'Hagan
Caribbean HF Feed: http://audio.liveatc.net:8012/car_hf.m3u
ksvnramprat
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« Reply #13 on: April 10, 2005, 03:11:09 PM »

Im not really experienced with radio frequencies, but my dad is TZ tristar pilot and flies over the North Atlantic at least once or twice a week, so I can ask him all of the really interesting/active frequencies that he uses and are used.
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Twist to dim, Jerk to inflate, and if it has dust on it don't F**K with it.
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« Reply #14 on: April 30, 2005, 03:05:25 PM »

I am streaming the VHF Shanwick freq's


Shanwick Radio (VHF)  127.90 Mhz  
Shanwick Radio Clearance  123.95 Mhz
Shanwick Radio  127.65 Mhz  
Shanwick Radio  135.52 Mhz
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