Sensor Group - Iskra SO-2

[nuk92]

DB Selector

DB3K

Baseline

5597 (Spectra [RWR/ELINT, F1 Std]), 5596 (Spectra [LWR, F1 Std]), 3891 (DDM [Mirage 2000])

Hypothetical

Yes

Name

Iskra SO-2 [RWR/ELINT/LWR/MAWS]

Sensor Generation

Early 2000s

Range (nm)

-

Horizontal Arc (deg)

No response

Vertical Arc (deg)

No response

Sensor Capabilities

No response

Sensor Codes

No response

Search/Track Frequencies

No response

Lower Frequency (Hz)

No response

Upper Frequency (Hz)

No response

Scan Interval (s)

No response

Target Altitude (ft)

No response

Horizontal Beamwidth (deg)

No response

Vertical Beamwidth (deg)

No response

System Noise Level (dB)

No response

Processing Gain/Loss (dB)

No response

Peak Power (W)

No response

Pulse Width (μs)

No response

Blind Time (μs)

No response

PRF (Hz)

No response

Source Level (dB)

No response

Pulse Length (ms)

No response

TASS/VDS Length (m)

No response

TASS/VDS Depth (m)

No response

Convergence Zones

No response

Comments

This request is basically a copy request of the mentioned Spectra sensors for a new hypothetical sensor group called Iskra SO-2 that contains the following sensors: Iskra SO-2 [RWR/ELINT], SO-2 [LWR] and SO-2 [MAWS]. The name Iskra doesn't necessarily have to be added since you already mentioned that manufacturers aren't added to the name. But in this case could you please remove the name "Iskra" from the Iskra SO-1 sensor (ID:4391). The translated text from the source explains in great detail what the SO-2 warning receiver was supposed to be. And it sound very similar to the Rafale's Spectra sensor group. The SO-2 RWR would have identifiedand categorised RF sources which means that it would include a threat library. More data can't be found about this project. An interesting fact is that Iskra developed RF filter in the 2 GHz to 23 GHz bands.

Could you also please change the Spectra RWRF1 to early 2000s?

Yugoslavia would have received technological support and tech transfer from France during the development of the Novi Avion and it's components. According to the former director of the Yugoslav aeronautical institute and project manager, France was very interested in supporting the Novi Avion project since it could market the plane and sell components and weapons for this aircraft to nations which couldn't afford a twin engined 4th gen fighter. The Novi Avion would have become a direct competitor to the Gripen.

2527

Sources

https://www.paluba.info/smf/index.php?topic=1158.msg494914#msg494914

Iskra Elektrozveze imala je u malom prstu i proračune i razvoj i proizvodnju RF filera od 2GHz do 23 GHz.

Iskra Elektrozveze had a hand in calculations and development and production of RF filters from 2 GHz to 23 GHz.

https://www.paluba.info/smf/index.php?topic=1158.msg494904#msg494904

Original:

Zaštita vazduhoplova je bila jedan od najvažnijih podsistema aviona jer je pružala pilotima sigurnost i veću verovatnoću preživljavanja u borbenim dejstvima. Uz to, omogućavala je pilotima slobodu u planiranju i sprovođenju taktičkih zamisli. Sistem elektronske zaštite imao je svoju “inteligenciju” i radio je samostalno, nezavisno od trenutnih aktivnosti pilota. On je davao pilotima dovoljno informacija o borbenom okruženju kako bi oni mogli da donesu prave odluke u veoma kratkom vremenu u vazdušnoj borbi ili dejstvu po ciljevima na zemlji.

Zaštita aviona je trebalo da bude realizovana u tri domena: radarskom, laserskom i infracrvenom. Sam sistem elektronske zaštite je trebalo da se sastoji od prijemnika za upozorenje na radarske, laserske i infracrvene pretnje. Zatim, od centralnog računara koji bi informacije dobijene od prijemnika za upozorenje prosleđivao displeju u kabini aviona za upozorenje pilotu. Takođe, računar je pravljen da donosi sam odluke o protivmerama koje sistem treba da sprovede kada je avion u opasnosti. Sve je to softver odrađivao nezavisno od volje pilota, potpuno automatski. Objašnjavajući suštinu elektronske “samoodbrane” NA, Kostić veli da je projektovano da to budu: aktivno šumno i impulsno ometanje radara koji rade u režimima praćenja ili nišanjenja aviona kao cilja. Predviđeno je i pasivno ometanje radara polutalasnim dipolima, zatim, izbacivanje brzoširećih dimova za ometanje lasera koji ozračuju avion i programirano izbacivanje infracrvenih mamaca za zaštitu aviona od raketa koje imaju termalne glave za samonavođenje.

Prijemnik je trebalo da detektuje i obradi u realnom vremenu sve signale radarskih pretnji - priča Kostić. - To je trebalo da uradi i sa laserskim i infracrvenim pretnjama. Digitalne informacije o osnovnim performansama detektovanih signala trebalo je da budu obrađene u centralnom računaru koji je vršio inteligentnu obradu u cilju identifikacije pretnji po tipu radara (osmatrački, nišanski, u sistemu oružja, itd) i lasera i da informacije o opasnosti prikaže pilotu na displeju u kabini. Razvijan je softver koji je trebalo da omogući da kompjuter sam odlučuje o simultanom načinu ometanja pretnji. U praksi, sistem ometanja i zaštite je projektovan da ukoliko je lansirana protivavionska raketa na avion, kompjuter to prepozna i odreaguje tako što naredi sistemu da ispali programiranu seriju infracrvenih mamaca. U slučaju da je avion zahvaćen laserskim snopom za nišanjenje, sistem je trebalo da reaguje ispuštanjem brzoširećih dimova koji bi sakrili avion od nišana.

Prijemnik koji je razvijan (i ostao u Sloveniji) dobio je ime SO2 - nastavlja Kostić. - Iako sa tehničkim i tehnološkim rešenjima signalizatora ozračenja SO1 (sa aviona “orao” i G-4) nije imao mnogo veze, jer je bio tri generacije ispred, ime CO2 smo mu dali iz pijeteta prema starijim kolegama koji su razvili prethodnu generaciju.

Translation:

Aircraft protection was one of the most important subsystems of the aircraft because it provided pilots with safety and a higher probability of survival in combat operations. In addition, it allowed the pilots freedom in planning and implementing tactical ideas. The electronic protection system had its own "intelligence" and worked independently, independent of the pilot's current activities. It provided pilots with sufficient information about the combat environment so that they could make the right decisions in a very short amount of time in air combat or action against targets on the ground.

Aircraft protection was supposed to be implemented in three domains: radar, laser and infrared. The electronic protection system itself was supposed to consist of receivers for warning of radar, laser and infrared threats. Then, from the central computer that would forward the information received from the warning receiver to the display in the aircraft cabin to warn the pilot. Also, the computer is designed to make its own decisions about the countermeasures that the system should implement when the plane is in danger. All this was done by the software independently of the will of the pilot, completely automatically. Explaining the essence of the electronic "self-defense" of the NA, Kostić says that it is designed to be: active noise and impulse jamming of radars operating in the modes of tracking or targeting aircraft as a target. Passive jamming of the radar with half-wave dipoles, then, the ejection of fast-spreading smoke to jam the lasers that irradiate the aircraft and the programmed ejection of infrared decoys to protect the aircraft from missiles that have thermal homing heads are foreseen.

The receiver was supposed to detect and process all radar threat signals in real time - says Kostić. - He should have done that with laser and infrared threats as well. Digital information about the basic performance of the detected signals was supposed to be processed in the central computer that performed intelligent processing in order to identify threats by type of radar (surveillance, aiming, in the weapon system, etc.) and laser and to show information about the danger to the pilot on the display in cabin. Software was developed that was supposed to allow the computer to decide on its own the simultaneous way to disrupt threats. In practice, the jamming and protection system is designed so that if an anti-aircraft missile is launched at the aircraft, the computer recognizes this and responds by ordering the system to fire a programmed series of infrared decoys. In the event that the aircraft was caught in a laser targeting beam, the system was supposed to react by releasing fast-spreading smoke that would hide the aircraft from sight.

The receiver that was developed (and remained in Slovenia) was named SO2 - continues Kostić. - Although it had little to do with the technical and technological solutions of the SO1 radiation detector (from the "Eagle" and G-4 aircraft), because it was three generations ahead, we gave it the name CO2 out of respect for our older colleagues who developed the previous generation.

[nuk92]

Updated, one part of the comment was deleted for some reason when I edited the text.

[FrangibleCover]

"the ejection of fast-spreading smoke to jam the lasers that irradiate the aircraft"

I've never heard of any system like this on an aircraft! Does Command have the capability to model it yet? I suppose it would also be useful for AFVs.

[nuk92]

Visual and IR smoke grenades (expendable decoys) are already in the db, however completely unused like... one ship uses smoke. Using smoke screens to disrupt the laser lock on aircraft, let's say the Starstreak... never heard of that either, maybe 1980s early concepts, that were proven wrong. Flares actually create a lot of smoke but no idea if this can disrupt lasers. The only aircraft smoke dispenser is the ROSY system recently mounted on German H145M helicopters.

https://twitter.com/BaainBw/status/1578294305168363520?cxt=HHwWgMCoqd6TnecrAAAA