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AN/APG-77 vs DRFM jammer



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thestealthfighterguy
PostPosted: Dec 13, 2011 - 08:17 PM Reply with quote Back to top
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[quote="wrightwing"]
thestealthfighterguy wrote:
delvo wrote:
Sometimes I do wonder exactly what F-22s have that we're hiding from foreigners that F-35s don't have.[\quote]

Quote:
Ranges of the new lines of AESA radars are classified. But they are estimated at about 90 mi. for the smallest (aimed at the F-16 radar-upgrade market). The F/A-18E/F and F-35 (with radar ranges of 100 mi.) are followed by the F-22 (110-115-mi.). The largest is carried by the upgraded F-15Cs and Es (125 mi.). By comparison, the range for a mechanically scanned, F-15C radar is 56 mi. according to Russian air force intelligence. U.S. aerospace officials agree that an AESA radar "at least doubles" the range over standard military radars.

When coupled with the electronic techniques generator in an aircraft, the radar can project jamming, false targets and other false information into enemy sensors. Ranges for electronic attack equal the AESA radar plus that of the enemy radar. That could allow electronic attack at ranges of 150 mi. or more. The ability to pick out small targets at a long distance also lets AESA-equipped aircraft find and attack cruise missiles, stealth aircraft and small UAVs.

http://www.aviationweek.com/aw/generic/story_generic.jsp?channel=awst&id=news/aw020909p2.xml&headline=null&next=0

I thought this quote and link could help. Most people don't know the F-22 can do these things and it can do alot more. King of the sky baby! TSFG


Good link. Let's just say those numbers are on the conservative side, not to mention other capabilities not mentioned.

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Ranges for electronic attack equal the AESA radar plus that of the enemy radar.


I like the fact that you can project false targets at your max radar range and the enemy can see them at their max radar range. So you can get them to turn to into the false target and get on their 6 O'clock faster. This could also work to get your enemy to fly away from your strike aircraft or into a trap. That's just evil. Twisted Evil

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tacf-x
PostPosted: Dec 13, 2011 - 09:59 PM Reply with quote Back to top
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The capabilities of the F-22 and F-35's radar are really quite impressive to say the least. I never knew about projecting false radar returns using the APG-77 before. I truly am astonished by AESAs now.
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hcobb
PostPosted: Dec 22, 2011 - 04:27 PM Reply with quote Back to top
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The M in DRFM stands for memory. It remembers the previous pattern of radar energy and plays that back to spoof mechanical radars.

However the only moving parts in the F-22's radar are electrons and these respond to changes at the actual speed of light. (Individual electrons are slower than this, but it's the EM waves that matter here.)

The only way the electronic radar in the F-22 could repeat the same pattern over and over again would be if it was programmed to do so. While this opens up some evil evil ideas, these are mostly about the F-22 shooting down a more primitive enemy fighter and then using its own memory to fake being its victim as it closes in on the target.
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neptune
PostPosted: Dec 22, 2011 - 05:08 PM Reply with quote Back to top
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tacf-x wrote:
The capabilities of the F-22 and F-35's radar are really quite impressive to say the least. ... I truly am astonished by AESAs now.



The "Bully"! Twisted Evil

BAE Systems delivered the first 185-pound JSF EW system to Lockheed-Martin for testing in 2004. The F-35's AN/ASQ-239 (Barracuda) Electronic Warfare systems are designed by BAE Systems and include Northrop Grumman components.

The F-35 BAE EW "Sweet" uses the AESA as it's main weapon. It cheats and wins, what a concept! Evil or Very Mad Laughing Wink

Two old but still relevant articles + latest,

http://www.aviationtoday.com/av/issue/feature/845.html

https://aiaa.org/aerospace/images/artic ... 06_EOE.pdf

http://www.militaryaerospace.com/news/2 ... tests.html

Merry Christmas,

Neptune
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thestealthfighterguy
PostPosted: Dec 23, 2011 - 11:46 PM Reply with quote Back to top
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hcobb wrote:
The M in DRFM stands for memory. It remembers the previous pattern of radar energy and plays that back to spoof mechanical radars.

However the only moving parts in the F-22's radar are electrons and these respond to changes at the actual speed of light. (Individual electrons are slower than this, but it's the EM waves that matter here.)

The only way the electronic radar in the F-22 could repeat the same pattern over and over again would be if it was programmed to do so. While this opens up some evil evil ideas, these are mostly about the F-22 shooting down a more primitive enemy fighter and then using its own memory to fake being its victim as it closes in on the target.


I could be wrong here...but... The Raptor seems to make everthing else in the sky look a little "primitive". Wink TSFG

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That_Engine_Guy
PostPosted: Dec 24, 2011 - 04:43 AM Reply with quote Back to top
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thestealthfighterguy wrote:
I could be wrong here...but... The Raptor seems to make everthing else in the sky look a little "primitive". Wink TSFG


I'll second that thought!



Cheers TEG

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thestealthfighterguy
PostPosted: Dec 24, 2011 - 09:01 AM Reply with quote Back to top
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That_Engine_Guy wrote:
thestealthfighterguy wrote:
I could be wrong here...but... The Raptor seems to make everthing else in the sky look a little "primitive". Wink TSFG


I'll second that thought!



Cheers TEG


You the man TEG. Here Here.
Not Worthy The Raptor.

TSFG

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madrat
PostPosted: Dec 24, 2011 - 10:11 AM Reply with quote Back to top
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If AESA is so kick a$$ then why not force multiply with lesser airframes than an F-35 any version? One would think you could fill the sky with AESA-equipped freedom fighters and project air dominance.
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Code3
PostPosted: Dec 24, 2011 - 11:33 AM Reply with quote Back to top
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madrat wrote:
If AESA is so kick a$$ then why not force multiply with lesser airframes than an F-35 any version? One would think you could fill the sky with AESA-equipped freedom fighters and project air dominance.


Because enemy fighters are not the only machines capable of contesting airspace. With the proliferation of double-digit SAM systems, low-observable aircraft with bomb carrying capability are required to assure access to contested airspace. AESA radars are of limited use against many modern SAM radars, based on power output and a number of other reasons.
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SpudmanWP
PostPosted: Dec 24, 2011 - 04:19 PM Reply with quote Back to top
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F-18Es already have them and the F-15Es, F-15 Golden Eagles, & 350-600 F-16s are getting AESAs Smile

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thestealthfighterguy
PostPosted: Dec 24, 2011 - 04:54 PM Reply with quote Back to top
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madrat wrote:
If AESA is so kick a$$ then why not force multiply with lesser airframes than an F-35 any version? One would think you could fill the sky with AESA-equipped freedom fighters and project air dominance.


So could I just put a cannon on my old VW Bug and call it a tank? Rolling Eyes

TSFG



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southernphantom
PostPosted: Dec 24, 2011 - 05:16 PM Reply with quote Back to top
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thestealthfighterguy wrote:
madrat wrote:
If AESA is so kick a$$ then why not force multiply with lesser airframes than an F-35 any version? One would think you could fill the sky with AESA-equipped freedom fighters and project air dominance.


So could I just put a cannon on you old VW Bug and call it a tank? Rolling Eyes

TSFG


You could call it a Stryker MGS Laughing Laughing

On a serious note, the AESA upgrades should be at the very top of AF procurement if they aren't already. Especially for air defense, where creating false targets could help steer attacking aircraft into killboxes arranged by AWACS. Basically, those Su-35s or something come in over Florida and pick up a four-ship of 'F-16s' (false targets) over Lake Okeechobee. They guide slightly east to avoid the Vipers, and run straight into a cloud of F-15s with the (v)3 that projected the 'F-16s'.. (Just based on what could happen if Chavez got Su-35s and some Midas airframes and was feeling aggressive/suicidal)
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thestealthfighterguy
PostPosted: Dec 24, 2011 - 06:58 PM Reply with quote Back to top
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southernphantom wrote:
thestealthfighterguy wrote:
madrat wrote:
If AESA is so kick a$$ then why not force multiply with lesser airframes than an F-35 any version? One would think you could fill the sky with AESA-equipped freedom fighters and project air dominance.


So could I just put a cannon on you old VW Bug and call it a tank? Rolling Eyes

TSFG


You could call it a Stryker MGS Laughing Laughing

On a serious note, the AESA upgrades should be at the very top of AF procurement if they aren't already. Especially for air defense, where creating false targets could help steer attacking aircraft into killboxes arranged by AWACS. Basically, those Su-35s or something come in over Florida and pick up a four-ship of 'F-16s' (false targets) over Lake Okeechobee. They guide slightly east to avoid the Vipers, and run straight into a cloud of F-15s with the (v)3 that projected the 'F-16s'.. (Just based on what could happen if Chavez got Su-35s and some Midas airframes and was feeling aggressive/suicidal)


Sorry Bro. That would never happen...the F-22's would have already killed them. LMAO TSFG

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southernphantom
PostPosted: Dec 24, 2011 - 09:59 PM Reply with quote Back to top
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thestealthfighterguy wrote:
southernphantom wrote:
thestealthfighterguy wrote:
madrat wrote:
If AESA is so kick a$$ then why not force multiply with lesser airframes than an F-35 any version? One would think you could fill the sky with AESA-equipped freedom fighters and project air dominance.


So could I just put a cannon on you old VW Bug and call it a tank? Rolling Eyes

TSFG


You could call it a Stryker MGS Laughing Laughing

On a serious note, the AESA upgrades should be at the very top of AF procurement if they aren't already. Especially for air defense, where creating false targets could help steer attacking aircraft into killboxes arranged by AWACS. Basically, those Su-35s or something come in over Florida and pick up a four-ship of 'F-16s' (false targets) over Lake Okeechobee. They guide slightly east to avoid the Vipers, and run straight into a cloud of F-15s with the (v)3 that projected the 'F-16s'.. (Just based on what could happen if Chavez got Su-35s and some Midas airframes and was feeling aggressive/suicidal)


Sorry Bro. That would never happen...the F-22's would have already killed them. LMAO TSFG


The only Raptors over here are at Tyndall, which aren't on alert like the F-15s are. Homestead ARB has the 125th FW Det. 1 on NORAD support alert. IIRC, there aren't any Raptors on alert anywhere.
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thestealthfighterguy
PostPosted: Dec 24, 2011 - 10:27 PM Reply with quote Back to top
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southernphantom wrote:
thestealthfighterguy wrote:
southernphantom wrote:
thestealthfighterguy wrote:
madrat wrote:
If AESA is so kick a$$ then why not force multiply with lesser airframes than an F-35 any version? One would think you could fill the sky with AESA-equipped freedom fighters and project air dominance.


So could I just put a cannon on you old VW Bug and call it a tank? Rolling Eyes

TSFG


You could call it a Stryker MGS Laughing Laughing

On a serious note, the AESA upgrades should be at the very top of AF procurement if they aren't already. Especially for air defense, where creating false targets could help steer attacking aircraft into killboxes arranged by AWACS. Basically, those Su-35s or something come in over Florida and pick up a four-ship of 'F-16s' (false targets) over Lake Okeechobee. They guide slightly east to avoid the Vipers, and run straight into a cloud of F-15s with the (v)3 that projected the 'F-16s'.. (Just based on what could happen if Chavez got Su-35s and some Midas airframes and was feeling aggressive/suicidal)


Sorry Bro. That would never happen...the F-22's would have already killed them. LMAO TSFG



The only Raptors over here are at Tyndall, which aren't on alert like the F-15s are. Homestead ARB has the 125th FW Det. 1 on NORAD support alert. IIRC, there aren't any Raptors on alert anywhere.


Yeah I was just playin. I think we should try and keep the airframe hours as low as we can on the 22's anyway. You know, for training or war time. The F-15's and F-16's can do the job just fine for now. In a few years the F-35's will be there aswell.

TSFG

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