Re Gil: I knew that. I believe the ob site was O'Hare or Midway by the time Meigs Field was closed.
The Meigs Field "scrap memory" is from about 2000-01, possibly 2002.
Re Gary: Oh yeah, that's a common abbreviation, like Fly Cloud Arpt (which should be Flying Cloud Airport, not just Fly Cloud Airport). Some parts of TWC used APRT (early 90s), AP (GRTR CINCINNATI AP) - likely the byproduct of a name limitation on the 4000.
One of my other odd memories: I'd remember the tagging products with a name and address and wonder "Why don't other networks do that"? It might have been in the XL days because the typeface was very narrow and not like the Interstate weight they use now. Yamaha had a tagging product out at that time.
Later, I'd learn more about exactly why, of course.
Then there's how the weather icons looked. The thunderstorm icon I called "the baker's cloud" for whatever reason, the Daypart/Extended Forecasts would look as if the cloud was bouncing between Partly Cloudy and Mostly Sunny, and I vividly remember the tone of Vocal Local. Then again, I do remember parts of the text forecast narration, so some of this might be from my early IS.