In your game info folder should be these entity files. The number of squadrons for all entities in the game such as the percheon light carrier or the capital carriers for all races/ships are based off the term  "command points"

PLANETMODULE_TECHORBITALHANGARDEFENSE

PLANETMODULE_PHASEORBITALHANGARDEFENSE

PLANETMODULE_PSIORBITALHANGARDEFENSE

In each file look for the following line of text near the bottom. I beleive the default is 2 or 3 I changed mine to 6 so it should look like this

baseCommandPoints 6

As a side note, I also changed the number of squads for my Tech capital carrier

in a file called CAPITALSHIP_TECHCARRIER in your gameinfo folder..again near the bottom of the file change these lines

CommandPoints
 StartValue 8.000000
 ValueIncreasePerLevel 2.000000

This means my carriers now start with 8 squads and gain 2 per level.

hope this helps have fun.

Sorry, I am playing entrenchment I should have specified that as some people arent yet. But if all you want to do is to add extra squadrons to your hangars for tech then all you have to do is change the command points for a given entity and not mess with anything else...Just seems from the title of your post that all you want are more squads for your hangars and if thats infact is all you want your doing way more work than is required.

Since in "entrechment" you can specifiy how many fighter/bombers squads you want out of the available CP's.  I never bothered with changing the files you mentioned so I could not say. I am no expert in modding so sorry if your looking for something else.