c5load
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The Panel On The Side Of This 767-What Is It?

Sat Jun 05, 2010 3:54 pm

There is a square panel about halfway between the DL logo and the American flag, on the upper side of the fuselage, just behind the window exits. Is this some sort of antenna?


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zanl188
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RE: The Panel On The Side Of This 767-What Is It?

Sat Jun 05, 2010 3:58 pm

Sat antenna. Mounted on the side to provide a fair view of the sky in turns.
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tdscanuck
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RE: The Panel On The Side Of This 767-What Is It?

Sat Jun 05, 2010 6:09 pm

Quoting ZANL188 (Reply 1):
Sat antenna. Mounted on the side to provide a fair view of the sky in turns.

Is there a matching one on the other side? Seems an interesting sat antenna implementation compared to the steerable ones in the blister fairings on top.

Tom.
 
c5load
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RE: The Panel On The Side Of This 767-What Is It?

Sat Jun 05, 2010 6:12 pm

Quoting tdscanuck (Reply 2):
Is there a matching one on the other side?

You mean there is something even Tom doesn't know? Just kidding. But it does seem weird that it would be mounted on the side and not the top.

Quoting ZANL188 (Reply 1):
Mounted on the side to provide a fair view of the sky in turns.

It would only provide a view during left turns. Right turns it would be pointed toward the ground.
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nomadd22
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RE: The Panel On The Side Of This 767-What Is It?

Sat Jun 05, 2010 6:15 pm

It would be kind of strange. The little turntable type S-band antennas work at 30 degree banks, and a single one of those on top has much better coverage and gain than two flat panels. Unless they're phased array panels, which seems unlikely on a civilian plane.
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zanl188
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RE: The Panel On The Side Of This 767-What Is It?

Sat Jun 05, 2010 6:40 pm

Quoting c5load (Reply 3):
It would only provide a view during left turns. Right turns it would be pointed toward the ground.

Hmm... well I guess that would explain the second antenna on the left side....


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HAL
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RE: The Panel On The Side Of This 767-What Is It?

Mon Jun 07, 2010 3:02 am

Same aircraft as the original post, different side:


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Yep, it's got the sat antenna on that side too! 

HAL
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Tristarsteve
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RE: The Panel On The Side Of This 767-What Is It?

Mon Jun 07, 2010 8:48 am

Quoting tdscanuck (Reply 2):
Is there a matching one on the other side? Seems an interesting sat antenna implementation compared to the steerable ones in the blister fairings on top.

Just to add its pretty common nowadays to have the pair of flat panel sat antennae.

My question is, why do some airlines have big humps instead?
Is this for more bandwidth?, for live TV?
Or is it just old stuff? Must cost a lot in fuel consumption to carry a big hump around.
 
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Starlionblue
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RE: The Panel On The Side Of This 767-What Is It?

Mon Jun 07, 2010 9:28 am

Quoting Tristarsteve (Reply 7):
My question is, why do some airlines have big humps instead?
Is this for more bandwidth?, for live TV?
Or is it just old stuff? Must cost a lot in fuel consumption to carry a big hump around.

I heard mentioned in some ancient thread (so the following is either true or complete bullcrap) that the bump wasn't that draggy. It did some lifting too or something.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
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bikerthai
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RE: The Panel On The Side Of This 767-What Is It?

Mon Jun 07, 2010 1:59 pm

Quoting Tristarsteve (Reply 7):
My question is, why do some airlines have big humps instead?



From what I remember, the humps usually involves a rotating "dish" antenna. The flats are phase array.

Quoting nomadd22 (Reply 4):
which seems unlikely on a civilian plane.



(edited for better example)
I think phase array for Satcom is in civilian use. BoeingConnexion (now defunct) antena were to be phased array.


bikerthai

[Edited 2010-06-07 07:32:47]
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BigSaabowski
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RE: The Panel On The Side Of This 767-What Is It?

Wed Jun 09, 2010 2:01 pm

I always thought that was the HF antenna. 767ERs at Delta don't have satellite TV, and only a few of their ERs have SatCom.

[Edited 2010-06-09 07:03:47]
 
maddogjt8d
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RE: The Panel On The Side Of This 767-What Is It?

Wed Jun 09, 2010 2:34 pm

I thought the entire DL 763ER fleet was getting the Satcom mod, is that not correct?
 
Dalmd88
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RE: The Panel On The Side Of This 767-What Is It?

Wed Jun 09, 2010 3:31 pm

Quoting MadDogJT8D (Reply 11):
I thought the entire DL 763ER fleet was getting the Satcom mod, is that not correct?

Correct, I believe it is becoming the norm for TATL comm. I think it may be required for the most desirable tracks due to reduced seperation rules.
 
Tristarsteve
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RE: The Panel On The Side Of This 767-What Is It?

Wed Jun 09, 2010 7:20 pm

Quoting BigSaabowski (Reply 10):
I always thought that was the HF antenna.

The HF antenna is half way up the leading edge of the fin. You can just make it out on the above pictures.
 
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HAWK21M
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RE: The Panel On The Side Of This 767-What Is It?

Thu Jun 10, 2010 11:17 am

Any Alternative closer view of this Antenna.
regds
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