• We have updated our Community Code of Conduct. Please read through the new rules for the forum that are an integral part of Paradox Interactive’s User Agreement.

unmerged(881)

Colonel
Feb 8, 2001
1.175
0
Visit site
How to read the diagrams

  • Each diagram lists the research fields required for research of the item.
  • Each diagram lists the specific theories and applications required for research of the item.
  • Some diagrams have warnings about the effects of certain research choices so be mindful of them before making your selection.

Points to keep in mind
  • The diagram threads use the same ID numbering system as State Machine's Technology Charts and Analysis pages and (of course) the Hearts of Iron tech database.
  • Many research items have the effect of deactivating other research choices e.g. research of an Improved Medium Tank with a 40mm+ Tank Gun automatically deactivates the 20mm+ and 30mm+ research options.
  • The diagrams list only the specific components needed for research. Be mindful of the fact that many of these components might require that multiple sub-components of their own be researched before your research goals can continue.
  • The diagrams are listed in platform groups e.g. all Light Tanks are listed together to aid in searching... at least how I would search if I was looking for something. :D
  • My use of colors, specifically blue, indicates only the required prerequisites that are part of the research progression (e.g. the 40mm+ requires successful research of the 30mm+ tank gun) and are components of a given diagram item.
  • Your research choices could very well result in an item I have marked green being listed as [color=FF9933]in the process of being researched[/color] or already successfully researched.
 
Basic Decimetric Radar

Required research fields:

Electronics Research

Required components

Level 0 Theory:
Decimetric Radar

Level 0 Applications:
Magnetron Device


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Improved Decimetric Radar

Required research fields:

Electronics Research

Required components

Level 2 Theory:
Cavity Magnetron

Level 0 Applications:
Basic Decimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Advanced Decimetric Radar

Required research fields:

Electronics Research

Required components

Level 4 Theory:
Resonance Magnetron

Level 2 Application:
Improved Decimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Basic Decimetric Radar Warning Sites

Required research fields:

Electronics Research

Required components

Level 0 Theory:
Decimetric Radar

Level 0 Applications:
Basic Decimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Improved Decimetric Radar Warning Sites

Required research fields:

Electronics Research

Required components

Level 2 Theory:
Cavity Magnetron

Level 0 Applications:
Basic Decimetric Radar Warning Sites

Level 2 Application:
Improved Decimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Advanced Decimetric Radar Warning Sites

Required research fields:

Electronics Research

Required components

Level 4 Theory:
Resonance Magnetron

Level 2 Application:
Improved Decimetric Radar

Level 4 Application:
Advanced Decimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Basic Centimetric Radar

Required research fields:

Electronics Research

Required components

Level 5 Theory:
Centimetric Radar

Level 4 Application:
Resonance Magnetron Device


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Improved Centimetric Radar

Required research fields:

Electronics Research

Required components

Level 7 Theory:
Infrared Technology

Level 5 Application:
Basic Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Advanced Centimetric Radar

Required research fields:

Electronics Research

Required components

Level 9 Theory:
Advanced Centimetric Radar

Level 7 Application:
Improved Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Basic Centimetric Radar Warning Sites

Required research fields:

Electronics Research

Required components

Level 5 Theory:
Centimetric Radar

Level 4 Application:
Advanced Decimetric Radar Warning Sites

Level 5 Application:
Basic Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Improved Centimetric Radar Warning Sites

Required research fields:

Electronics Research

Required components

Level 7 Theory:
Infrared Technology

Level 5 Application:
Basic Centimetric Radar Warning Sites

Level 7 Application:
Improved Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Advanced Centimetric Radar Warning Sites

Required research fields:

Electronics Research

Required components

Level 9 Theory:
Advanced Centimetric Radar

Level 7 Application:
Improved Centimetric Radar Warning Sites

Level 9 Application:
Advanced Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Basic Centimetric Radar Warning Device

Required research fields:

Electronics Research

Required components

Level 5 Theory:
Centimetric Radar

Level 5 Application:
Basic Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Improved Centimetric Radar Warning Device

Required research fields:

Electronics Research

Required components

Level 7 Theory:
Infrared Technology

Level 5 Application:
Basic Centimetric Radar Warning Device

Level 7 Application:
Improved Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Advanced Centimetric Radar Warning Device

Required research fields:

Electronics Research

Required components

Level 9 Theory:
Advanced Centimetric Radar

Level 7 Application:
Improved Centimetric Radar Warning Device

Level 9 Application:
Advanced Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Basic Centimetric Radar Homing Device

Required research fields:

Electronics Research

Required components

Level 5 Theory:
Centimetric Radar

Level 5 Application:
Basic Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Improved Centimetric Radar Homing Device

Required research fields:

Electronics Research

Required components

Level 7 Theory:
Infrared Technology

Level 5 Application:
Basic Centimetric Radar Homing Device

Level 7 Application:
Improved Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Advanced Centimetric Radar Homing Device

Required research fields:

Electronics Research

Required components

Level 9 Theory:
Advanced Centimetric Radar

Level 7 Application:
Improved Centimetric Radar Homing Device

Level 9 Application:
Advanced Centimetric Radar


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.
 
Last edited:
Improved Man Portable Radio Sets

Required research fields:

Electronics Research

Required components

Level 2 Theory:
Cavity Magnetron

Level 0 Application:
Basic Man Portable Radio Sets


Green is an item that can be researched.
Rust is an item being researched.
Blue is an item that has been researched.