the degraded emissions 0 signal sources dry up at about 10k but i have had them out to 20k before and well away from colonia
Id like to think it is something Fdev keep an eye on and occasionally tweak things as they relate to perhaps hidden things, storyline things and perhaps just things to stumble upon
And i have to remain positive for 2.3 and beforehand, and ill keep my eyes open on my deep space survey mission