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[Fixed] TSARH

 
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[Fixed] TSARH - 2/16/2020 10:03:17 PM   
orca

 

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I noticed several flankers (ie Su-35 and Su-33) now have a TSARH seeker (tactical synthetic aperture radar) sensor. What is this new sensor? Thanks

< Message edited by apache85 -- 3/11/2020 5:35:11 AM >
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RE: TSARH - 2/16/2020 11:26:46 PM   
Primarchx


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Doesn't that stand for Terminal Semi-Active Homing? IE - the missile uses inertial guidance for most of the flight to target and then uses SARH for the last, terminal phase. One good example is the SM-2 missile with the Aegis combat system.

(in reply to orca)
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RE: TSARH - 2/17/2020 2:58:08 AM   
Rain08

 

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TSARH also appears for the AIM-54 (noticed it way back in CMANO), but it means Time-shared Semi-Active Radar Homing.

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RE: TSARH - 2/17/2020 11:31:26 AM   
Joelsi


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TSARH stands for Terminal Semi Active Radar Homing in the case of R-27R/ER (ALAMO-A/C).

The R-27R/ER's guidance is midcourse INS with corrections via missile datalink + terminal phase SARH.

ATM in CMO the guidance is listed as Command-Guided. This leads to some interesting behaviour.

In CMO the Su-27S can fire and guide 6x R-27R/ERs to 6 different targets while remaining radar silent.
IRL it can only shoot at a single target at a time and the radar must keep a lock on the target.
(IIRC there is a limit of 2 missiles guided for a single target but I'm not 100% sure about that)

(in reply to Rain08)
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RE: TSARH - 2/17/2020 11:18:10 PM   
stilesw


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quote:

I noticed several flankers (ie Su-35 and Su-33) now have a TSARH seeker (tactical synthetic aperture radar) sensor. What is this new sensor? Thanks

No, should only be on the weapon, not the aircraft. My error, will be fixed.
-WS

_____________________________

“There is no limit to what a man can do so long as he does not care a straw who gets the credit for it.”

Charles Edward Montague, English novelist and essayist
~Disenchantment, ch. 15 (1922)

(in reply to orca)
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RE: TSARH - 3/8/2020 7:49:30 PM   
Uzabit

 

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quote:

ORIGINAL: stilesw

quote:

I noticed several flankers (ie Su-35 and Su-33) now have a TSARH seeker (tactical synthetic aperture radar) sensor. What is this new sensor? Thanks

No, should only be on the weapon, not the aircraft. My error, will be fixed.
-WS


Hi Wayne,

you may also want to check the Mig-29 and its variants - they have this problem aswell, leading to AA-10A missiles being only guided by command without any SARH guidance and the planes having a tactical synthetic aperture radar. I haven't checked the other platforms that carry AA-10s aswell, but I suspect there also might be problems there.

Best regards,

Jonas

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RE: TSARH - 3/8/2020 10:08:30 PM   
stilesw


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quote:

you may also want to check the Mig-29 and its variants - they have this problem aswell, leading to AA-10A missiles being only guided by command without any SARH guidance and the planes having a tactical synthetic aperture radar. I haven't checked the other platforms that carry AA-10s aswell, but I suspect there also might be problems there.

Jonas,

There were indeed. I corrected all the units that use the AA-10s - removed the sensor from the aircraft involved (and there were a bunch) so now the sensor is only mounted on the weapon. Please let me know if you find I've missed one!

-Wayne

_____________________________

“There is no limit to what a man can do so long as he does not care a straw who gets the credit for it.”

Charles Edward Montague, English novelist and essayist
~Disenchantment, ch. 15 (1922)

(in reply to Uzabit)
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RE: TSARH - 3/8/2020 10:17:22 PM   
michaelm75au


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Would this be the cause of the other TSARH issue https://www.matrixgames.com/forums/tm.asp?m=4773352

_____________________________

Michael

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RE: TSARH - 3/8/2020 10:45:23 PM   
stilesw


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X

< Message edited by stilesw -- 3/9/2020 1:12:52 PM >

(in reply to michaelm75au)
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RE: TSARH - 3/8/2020 10:48:53 PM   
stilesw


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x

< Message edited by stilesw -- 3/9/2020 1:12:01 PM >

(in reply to stilesw)
Post #: 10
RE: TSARH - 3/9/2020 12:16:18 AM   
Uzabit

 

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quote:

ORIGINAL: stilesw

quote:

Would this be the cause of the other TSARH issue https://www.matrixgames.com/forums/tm.asp?m=4773352

I don't think so but I can't eliminate it since I do not know how the code handles the weapon. Here is the DB3K entry for the AA-10. Perhaps you can see something there that I need to fix.

-Wayne





Hi,

i'm a bit confused about the TSARH seeker DB entry - it says Tactical Synthetic Aperture Radar, which to my knowlegde is used for mapping ground imagery. I can't tell how exactly the simulation get's its information for weapons guidance from the database and where it actually is defined. For example in DB3000 V478 there might be a useful and similar entry:

#1667 RIM-156A SM-2ER Blk IV, Guidance Type: Datalink (DL/INS) mid course plus semi-active radar homing.

Sensors/EW:
1x SARH Seeker

Properties: Terminal Illumination, (...)

It's kinda hard to test this since I'm not able to make any DB-changes. Maybe Dimitris or another developer can chime in and give hints how to best implement this kind of guidance system.

Jonas


< Message edited by Uzabit -- 3/9/2020 12:21:02 AM >

(in reply to stilesw)
Post #: 11
RE: TSARH - 3/11/2020 5:34:57 AM   
apache85

 

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Fixed for DB 483

_____________________________


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RE: TSARH - 3/14/2020 9:03:31 AM   
Carl Fantin

 

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quote:

ORIGINAL: Primarchx

Doesn't that stand for Terminal Semi-Active Homing? IE - the missile uses inertial guidance for most of the flight to target and then uses SARH for the last, terminal phase. One good example is the SM-2 missile with the Aegis combat system.


(in reply to Primarchx)
Post #: 13
RE: TSARH - 3/17/2020 4:13:34 PM   
Scorpion86

 

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quote:

ORIGINAL: apache85

Fixed for DB 483


I just checked DB483 and it seems that some Flanker models still have the TSARH sensor.

I took the liberty of compiling a list of all the Flanker models (I could find) that still have that sensor:

#708 - J-11
#2155, #2156 - Su-27P
#134, #353, #603, #2370 - Su-27S
#847, #4696 - Su-27SM/SM3
#436 - Su-30
#3819, #4582 - Su-30SM
#3820 - Su-30M2
#4622 - Su-33
#275, #3723 - Su-34
#2689, #4232, #4741 - Su-35S

I hope this may be helpful...

(in reply to apache85)
Post #: 14
RE: TSARH - 3/17/2020 4:45:46 PM   
stilesw


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quote:

I just checked DB483 and it seems that some Flanker models still have the TSARH sensor.
I took the liberty of compiling a list of all the Flanker models (I could find) that still have that sensor
I hope this may be helpful...

Very much so. Thanks.
Fixed in next release.
-WS

_____________________________

“There is no limit to what a man can do so long as he does not care a straw who gets the credit for it.”

Charles Edward Montague, English novelist and essayist
~Disenchantment, ch. 15 (1922)

(in reply to Scorpion86)
Post #: 15
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