I was playing around with the idea of another range increase module. Expensive, but unlimited starbase range. Would be supremely OP if more than one was allowed though.
 
  <StarbaseModule>
    <InternalName>UnlimitedStarbaseRange</InternalName>
    <DisplayName>Starbase Omniscience</DisplayName>
    <ShortDescription>ChaoticParticleAbsorptionSystemModule_ShortDec</ShortDescription>
    <Description>ChaoticParticleAbsorptionSystemModule_Dec</Description>
    <Icon>GC3_Starbase_Range_Icon.png</Icon>
    <SpecializationType>Generic</SpecializationType>
    <ReplacesOnUpgrade>false</ReplacesOnUpgrade>
    <Stats>
      <EffectType>Credits</EffectType>
      <Target>
        <TargetType>StarbaseModule</TargetType>
      </Target>
      <BonusType>OneTime</BonusType>
      <Value>4000</Value>
    </Stats>
    <Stats>
      <EffectType>StarbaseRange</EffectType>
      <Target>
        <TargetType>Starbase</TargetType>
      </Target>
      <BonusType>Flat</BonusType>
      <Value>1000</Value>
    </Stats>
    <Stats>
      <EffectType>IsImmuneToNebula</EffectType>
      <Scope>AreaEffect</Scope>
      <Target>
        <TargetType>Ship</TargetType>
      </Target>
      <BonusType>Flat</BonusType>
      <Value>1</Value>
    </Stats>
    <Stats>
      <EffectType>Maintenance</EffectType>
      <Target>
        <TargetType>Starbase</TargetType>
      </Target>
      <BonusType>Flat</BonusType>
      <Value>500</Value>
    </Stats>
    <Prerequ>
      <UpgradesFrom>ChaoticParticleAbsorptionSystemModule</UpgradesFrom>
    </Prerequ>
  </StarbaseModule>