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SPO15 feedback


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Posted (edited)
В 23.09.2025 в 17:45, BIGNEWY сказал:

As for synchronization with radar, SPO-15 features a synchronization circuit on board 51, but it was designed for older radars such Sapfir-23. The principle of operation is the same as in older SPO-10, the receivers are blocked in rhythm with own radar's pulses. It cannot handle CW or HPRF signals

SPO-15 is tested for blocking with simulated signal generator at 500 KHz. HPRF of N019 is 160 KHz. To know what's going on we need to know how blanking signal at KJ1 line actually looks like at graph, and how does it relate to PRF.

Edited by Кош
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Posted
32 minutes ago, Кош said:

SPO-15 is tested for blocking with simulated signal generator at 500 KHz. HPRF of N019 is 160 KHz. To know what's going on we need to know how blanking signal at KJ1 line actually looks like at graph, and how does it relate to PRF.

L006 label on output line inside radar document, tells us that radar was designed with SPO-15 in mind.

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Condition: green

Posted

Okay one last question about SPO other then if 16-30 kHz MPRF really can’t he blanked 

The Su-27SK manual says with radar on you get front hemisphere warning and X category with strength of 5-8 signal strength. 
 

The one MiG-29 manual mentioning radar interfering SPO says it causes “chaotic” readings. 
 

Why is ours shut off then? I would think with 5-8 signal strength of X category, there is still possibility that a higher strength radar could become priority. 

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Posted (edited)
4 hours ago, AeriaGloria said:

Okay one last question about SPO other then if 16-30 kHz MPRF really can’t he blanked 

The Su-27SK manual says with radar on you get front hemisphere warning and X category with strength of 5-8 signal strength. 
 

The one MiG-29 manual mentioning radar interfering SPO says it causes “chaotic” readings. 
 

Why is ours shut off then? I would think with 5-8 signal strength of X category, there is still possibility that a higher strength radar could become priority. 

Since it was the easiest to make without properly modelling it, that's what it feels like at this current moment, and how most of this topic is being ignored.
There are so many documents and SMEs that proves the complete opposite that what is implamented.
I would rather have the "chaotic" readings in HPRF, and properply working RWR in MPRF
Insted of being blasted by an aircraft that we don't even know that is locking.
Currently a MiG-21 has more SA than a way more advnaced MiG-29.

But hey, more importantly that all other jets have magic rwr that detects things that it shouldn't even, but the SPO can't even work with it's radar on (that was designed to operate it)
 

Edited by Thirsty
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