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A321 Antenna
Any thoughts as to what this antenna is for? And no, the TCAS one is the circular one to the aft.
https://cimg8.ibsrv.net/gimg/pprune....d09d155b86.jpg |
Possibly a Marker Beacon Antenna:
Marker Beacon Antenna Archives - Sensor Systems Inc., Aircraft Antenna |
A very reputable source to the A320f says that it is the Tcas. |
Originally Posted by tubby linton
(Post 10508926)
A very reputable source to the A320f says that it is the Tcas. |
I think the round one is the gps and the flat one tcas. There are lots of images here. TCAS Antenna Archives - Sensor Systems Inc., Aircraft Antenna |
Originally Posted by Altcrznav
(Post 10508931)
The round antenna is TCAS. |
Our A320 do not have ADFs fitted but that looks like an ADF sense antenna to me.
S02 |
Originally Posted by Smithy02
(Post 10509063)
Our A320 do not have ADFs fitted but that looks like an ADF sense antenna to me.
S02 |
I’m thinking it is a plug for the old TCAS I antenna. When aircraft was upgraded to TCAS II, the ACSS round antenna was installed. |
A bit of Googling (and only a little bit) 'cos I'm bored suggests it's a MKR.
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How old is this A321? It surely looks like a TCAS antenna.
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If it's not the TCAS then it must be the Marker. Can't think of anything else with that shape.
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https://cimg7.ibsrv.net/gimg/pprune....7eea90f766.png
The Chemtrails Report Interchange Beam is not displayed for logical reasons, but the location varies for that one anyway. |
Round one behind is TCAS, not likely to be ATC or DME as they are the small yellow ones. My guess some kind of air to ground coms, possibly cellular or some kind of gatelink. Not standard as there is a skin doubler externally for it. |
Solved
It is not an antenna but a cover plate for the old ATG-4 antenna used for our terrestrial-based internet. We're completely switched over to satellite so, obviously, these antennas were removed. Gogo ATG-4 - what is it, and how does it work? - Gogo Concourse Blog |
Here's a different install of the old antenna.
https://cimg5.ibsrv.net/gimg/pprune....d623385279.jpg |
Not the GPS aerial ...? :*:ugh: |
GPS = Satellites. Satellites above aircraft. therefore GPS antenna on top, simple.
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Originally Posted by Wodrick
(Post 10516373)
GPS = Satellites. Satellites above aircraft. therefore GPS antenna on top, simple.
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Just curious, will GBAS need a separate one?
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