Defence Research and Development Organisation (DRDO) : News and Updates

Chain Smoker said:
I think tender for ghatak was released way back isn't it.
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There was a tender for manufacturing dry Kaveri. There was also tenders for manufacturing various part of the SWiFT. I can't recall a tender for building a full sized Ghatak. Maybe I forgot.

If we had drawings then maybe we could venture more guesses but right now info is still too vague to make anything of it. Let's see what comes off it.
 
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Some updates I noticed:

1. DRDO's lab that works on Airborne Jammers, Airborne EW and RWR's etc. DARE (Defence Avionics Research Establishment) has been renamed as CASDIC (Combat Aircraft Systems Development and Integration Centre) as of July 2021.

Someone was probably not happy with the weird name

2. As of Jan 2021, DRDO's lab that did dedicated work on Lasers LASTEC (Laser Science and Technology Centre) has been shutdown and resources and capabilities diverted to other labs.
 
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So EOI has been released for project ALW 2.

It will be air launched so I guess it must be rudra m2.
IMG_20210906_201838.jpg

IMG_20210906_201934.jpg
 
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randomradio said:
It's high band, so it's a direct replacement for the SAP-518. Plus it uses GaN emitters. And it doesn't compromise the aerodynamics of the aircraft. Since it's fully Indian, upgrades are cheaper and easier.

So it's definitely a massive upgrade.
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If This new Jammer has sufficient power against BARS and ELTA 2052 , then we have won all BVR engagements

Is RBE 2 better than ELTA 2052
 
randomradio said:
It's high band, so it's a direct replacement for the SAP-518. Plus it uses GaN emitters. And it doesn't compromise the aerodynamics of the aircraft. Since it's fully Indian, upgrades are cheaper and easier.

So it's definitely a massive upgrade.
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Are you sure it's high band i think it's mid band.
 
STEPHEN COHEN said:
If This new Jammer has sufficient power against BARS and ELTA 2052 , then we have won all BVR engagements
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You don't need power for jammers anymore. Even if you do, you need much larger jammers than that, that's where radar-based jamming comes in.

STEPHEN COHEN said:
Is RBE 2 better than ELTA 2052
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When it comes to hardware, GaAs has almost peaked, so they should be similar. But there's no information to confirm anything.

If either radar is upgraded with GaN, that's when hardware superiority comes in.
Chain Smoker said:
Are you sure it's high band i think it's mid band.
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It's high band, meant to stop fighter radars, fire control radars and missile seekers.
 
randomradio said:
It's high band, so it's a direct replacement for the SAP-518. Plus it uses GaN emitters. And it doesn't compromise the aerodynamics of the aircraft. Since it's fully Indian, upgrades are cheaper and easier.

So it's definitely a massive upgrade.
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Asper many forun guys ,With sap518 Russian su30 is almost on par with EA18 Growler, I beleive it's just a propoganda but definitely sap518 makes su30 a capable EW platform. I think with new HBJ,LCA's EW fighting capability will be on par with modern European fighters like Gripen.
 
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randomradio said:
You don't need power for jammers anymore. Even if you do, you need much larger jammers than that, that's where radar-based jamming comes in.



When it comes to hardware, GaAs has almost peaked, so they should be similar. But there's no information to confirm anything.

If either radar is upgraded with GaN, that's when hardware superiority comes in.


It's high band, meant to stop fighter radars, fire control radars and missile seekers.
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1-6 ghz is mid band, above that is high band and what about low band.

2. Afaik these SPJ works in tandem with aircraft RWR since they don't carry their own ESM system. Then what is the meaning of ATRU here.
 
Hydra said:
Asper many forun guys ,With sap518 Russian su30 is almost on par with EA18 Growler, I beleive it's just a propoganda but definitely sap518 makes su30 a capable EW platform. I think with new HBJ,LCA's EW fighting capability will be on par with modern European fighters like Gripen.
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Not at all. A Growler has multiple types of jammers that covers a lot of bands. And they have very big antennas so they can be used for standoff jamming, outside the range of SAMs. The MKI's new jammer is meant to help the aircraft protect itself inside the range of SAMs, so it's meant for a different role, basically an SPJ.

Not sure if this jammer will be carried by LCA, need official confirmation. But it should be possible to develop one using the tech.
 
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randomradio said:
Not at all. A Growler has multiple types of jammers that covers a lot of bands. And they have very big antennas so they can be used for standoff jamming, outside the range of SAMs. The MKI's new jammer is meant to help the aircraft protect itself inside the range of SAMs, so it's meant for a different role, basically an SPJ.

Not sure if this jammer will be carried by LCA, need official confirmation. But it should be possible to develop one using the tech.
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https://twitter.com/x/status/1329239788440829953
 
randomradio said:
Not at all. A Growler has multiple types of jammers that covers a lot of bands. And they have very big antennas so they can be used for standoff jamming, outside the range of SAMs. The MKI's new jammer is meant to help the aircraft protect itself inside the range of SAMs, so it's meant for a different role, basically an SPJ.

Not sure if this jammer will be carried by LCA, need official confirmation. But it should be possible to develop one using the tech.
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Not sure about the status of older drdo HBJ pod. I think it was escort jammer. What's the difference between them and do we really need escort jammer for every band.
https://twitter.com/x/status/1436089183009861633
 
Chain Smoker said:
1-6 ghz is mid band, above that is high band and what about low band.
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As per the Americans, low band is 100MHz to 2GHz, mid band is 2GHz to 6GHz and high band is 6GHz to 18GHz.

Low band covers communications and early warning radars. Mid band covers some types of comm systems and both surveillance and fire control radars, like the MRSAM's S-band radar. High band covers fire control radars, seekers etc. Of course there will be significant overlap between the bands, but that's the gist of it.

Chain Smoker said:
2. Afaik these SPJ works in tandem with aircraft RWR since they don't carry their own ESM system. Then what is the meaning of ATRU here.
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Possibly Active Transmit/Receive Unit. DRDO makes up their own nomenclatures, the most famous being FSAPDS, so I wouldn't bother too much about it. It probably works in a different frequency band than the ones at the ends. It's all thanks to GaN that multiple arrays working in multiple bands can be introduced after all.
Hydra said:
https://twitter.com/x/status/1329239788440829953
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3.5m, 200Kg is too big for the LCA.
 
randomradio said:
As per the Americans, low band is 100MHz to 2GHz, mid band is 2GHz to 6GHz and high band is 6GHz to 18GHz.

Low band covers communications and early warning radars. Mid band covers some types of comm systems and both surveillance and fire control radars, like the MRSAM's S-band radar. High band covers fire control radars, seekers etc. Of course there will be significant overlap between the bands, but that's the gist of it.



Possibly Active Transmit/Receive Unit. DRDO makes up their own nomenclatures, the most famous being FSAPDS, so I wouldn't bother too much about it. It probably works in a different frequency band than the ones at the ends. It's all thanks to GaN that multiple arrays working in multiple bands can be introduced after all.


3.5m, 200Kg is too big for the LCA.
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Yes but what is the need of recieve unit here. These are UWB antenna have freq of 5-18 ghz.
 
Chain Smoker said:
Not sure about the status of older drdo HBJ pod. I think it was escort jammer. What's the difference between them and do we really need escort jammer for every band.
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An SPJ is also used for escort.

What you seem to be referring to is standoff jamming. Such jammers are desirable, especially against early warning radars since they have a lot of range. But it's not really necessary. The most important band is high band against radars, since the main goal is to not die by disrupting the kill chain.

So the F-35 also works using the same principle, but replaces the high band jammer with stealth. So early warning radars may pick up the F-35, but high band radars may not work against it, thereby disrupting the kill chain.

While it's not really necessary, it is still useful against communications, and of course, it's good to have it anyway.
 
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