So 96.3 was a heck of an translator that reached Round Rock , Hutto , Pflugerville , North East Austin and 95.9 is a very low power translator - so KGID effected a over achieving UAC ?
Define "reached". If you mean it can be heard on a good car radio, the answer is yes and continues to be yes for most of the translators located at the West Austin Antenna Farm near 360. 95.9 is spotty in a lot of Williamson County because it is only 99 watts, has a null to the north/northwest, and creates/receives interference with/from KMPN that is on the same channel.
The actual coverage difference, especially with a good car radio, between a 99 watt translator and 250 watt translator isn't as great as one might think, assuming the antenna heights are similar.
One thing with translators that seems to be often overlooked is noise of the frequency and proximity with co-channel stations. This is one of the reasons 99.7 and 100.1 are such good translators overall... those channels are relatively clean.
Regardless, none of those Austin translators can really put a very good indoor signal into Williamson or Hays Counties. They are too little power and too far away to get inside houses/apartments/office buildings/retail stores/etc.
One of the problems we have had with a translator in Georgetown is that it is on the same channel as Class C and C0 stations in Dallas, Houston, and San Antonio. It's in a good location, but with a power of only 57 watts, you can imagine how that signal will be challenged when there is any tropospheric ducting, which because of geography seems to happen way too often.