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P-8A POSEIDON unable to detect enemy ship

 
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P-8A POSEIDON unable to detect enemy ship - 2/8/2018 2:18:30 AM   
AngelHeart

 

Posts: 68
Joined: 6/15/2017
Status: offline 		Hail.

I've created a scenario with a "P-8A POSEIDON LRS USN 2017 BOEING 737-800" equipped with Maritime Surveillance.
In the scenario, there is an enemy ship.
I don't understand why the Poseidon doesn't detect the enemy ship with all sensors activated.
I've posted the scenario.

Thanks.

Attachment (1)

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Angel Heart
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RE: P-8A POSEIDON unable to detect enemy ship - 2/8/2018 2:52:46 AM   
Raptorx7_slith

 

Posts: 380
Joined: 7/27/2013
Status: offline 		The ship is jamming the P-8's radar. Also the way the ship is facing means the radar isn't getting a good return, its just getting the back of the ship.

Edit: One more thing, the P-8 is at 36,000ft, if it was lower its radar would perform better.

< Message edited by raptorx7 -- 2/8/2018 2:56:02 AM >

(in reply to AngelHeart)
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RE: P-8A POSEIDON unable to detect enemy ship - 2/8/2018 1:13:04 PM   
Primarchx


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quote:

ORIGINAL: raptorx7

The ship is jamming the P-8's radar. Also the way the ship is facing means the radar isn't getting a good return, its just getting the back of the ship.

Edit: One more thing, the P-8 is at 36,000ft, if it was lower its radar would perform better.


I've never heard that a radar sensor would work better if employed from a lower altitude. An EO one, sure, but what about lower altitude enhances radar performance?

(in reply to Raptorx7_slith)
Post #: 3
RE: P-8A POSEIDON unable to detect enemy ship - 2/9/2018 4:56:24 AM   
AngelHeart

 

Posts: 68
Joined: 6/15/2017
Status: offline 		Thank you for your reply.

It looks strange cause the P-8 radar has a range of 195 NM.
I've disabled all sensors on the enemy ship.
I've wondered me too.
Now I've disabled all sensors on the enemy ship and the P-8 LRS detect the enemy ship at only 50 NM at 2000 FT ASL.


< Message edited by AngelHeart -- 2/9/2018 5:04:39 AM >

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RE: P-8A POSEIDON unable to detect enemy ship - 2/10/2018 12:16:26 AM   
Cik

 

Posts: 671
Joined: 10/5/2016
Status: offline 		195 nm nominal range

it's more complicated than that, once the P-8s radar is shining on the target the game will factor size of return & clutter etc.

195nm is probably a best case "i am trying to detect an iowa class, it has turrets the size of most ships, so i will detect it at 190nm"

< Message edited by Cik -- 2/10/2018 12:17:16 AM >

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RE: P-8A POSEIDON unable to detect enemy ship - 2/21/2018 9:24:18 AM   
Dimitris

 

Posts: 13282
Joined: 7/31/2005
Status: offline
quote:

ORIGINAL: Primarchx

quote:

ORIGINAL: raptorx7

The ship is jamming the P-8's radar. Also the way the ship is facing means the radar isn't getting a good return, its just getting the back of the ship.

Edit: One more thing, the P-8 is at 36,000ft, if it was lower its radar would perform better.


I've never heard that a radar sensor would work better if employed from a lower altitude. An EO one, sure, but what about lower altitude enhances radar performance?


More oblique look-down angle on sea surface --> less surface clutter. (You pay for this with reduced horizon, of course).

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RE: P-8A POSEIDON unable to detect enemy ship - 2/21/2018 11:59:19 AM   
Primarchx


Posts: 3102
Joined: 1/20/2013
Status: offline
quote:

ORIGINAL: Dimitris

quote:

ORIGINAL: Primarchx

quote:

ORIGINAL: raptorx7

The ship is jamming the P-8's radar. Also the way the ship is facing means the radar isn't getting a good return, its just getting the back of the ship.

Edit: One more thing, the P-8 is at 36,000ft, if it was lower its radar would perform better.


I've never heard that a radar sensor would work better if employed from a lower altitude. An EO one, sure, but what about lower altitude enhances radar performance?


More oblique look-down angle on sea surface --> less surface clutter. (You pay for this with reduced horizon, of course).


Good to know!

(in reply to Dimitris)
Post #: 7
RE: P-8A POSEIDON unable to detect enemy ship - 2/21/2018 8:52:34 PM   
thewood1

 

Posts: 6529
Joined: 11/27/2005
Status: offline 		That is great info. I almost always send surface radar carrying planes as high as possible to cover a large area. May be time to re-evaluate blindly following that tactic.

(in reply to Primarchx)
Post #: 8
RE: P-8A POSEIDON unable to detect enemy ship - 2/22/2018 9:11:16 AM   
Bert Blitzkrieg

 

Posts: 55
Joined: 12/15/2009
Status: offline
quote:

ORIGINAL: Dimitris
More oblique look-down angle on sea surface --> less surface clutter. (You pay for this with reduced horizon, of course).


Is this a general rule in CMANO or are there also in-built differences in this regard between the radarsystems in use around the world?

(in reply to Dimitris)
Post #: 9
RE: P-8A POSEIDON unable to detect enemy ship - 3/23/2018 10:48:36 AM   
shania

 

Posts: 7
Joined: 11/2/2016
Status: offline 		Q: about classification of the ships. How is the best way to ID ships with 2000+ tech? Its possible differentiate between large and small ships (like differentiate between DDG and CVN/tanker) using radar?
Its possible to use aircraft with SAR to ID type of the ship?

And to counter identification, could military ship mimic electronic signature of civilian vessel, use floating decoys etc?

Thanks for answers.

(in reply to Bert Blitzkrieg)
Post #: 10
RE: P-8A POSEIDON unable to detect enemy ship - 5/27/2018 1:06:17 PM   
SeaQueen


Posts: 1451
Joined: 4/14/2007
From: Washington D.C.
Status: offline 		Part of it has to do with the clutter. The higher up you go, the steeper the look down angle when you're looking for ground targets. That tends to increase the amount of unwanted reflections from uninteresting objects on the ground, hence there's an increase in the level of clutter. Against targets in the air, particularly high flying ones, clutter is less of an issue.

Going higher increases your radar horizon, but there's a competing effect which is that the clutter level increases. I imagine there's probably a "sweet spot" you could figure out by testing.

quote:

ORIGINAL: Primarchx
I've never heard that a radar sensor would work better if employed from a lower altitude. An EO one, sure, but what about lower altitude enhances radar performance?


(in reply to Primarchx)
Post #: 11
RE: P-8A POSEIDON unable to detect enemy ship - 6/2/2018 3:06:51 AM   
magi

 

Posts: 1529
Joined: 2/1/2014
Status: offline 		useful information.... thanks....

(in reply to SeaQueen)
Post #: 12
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