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Mlaffs recently added KTNN, which is a class-B (old class-IIA) station, which I reverted. As it stands now, this list includes only class-A stations. It would not be unreasonable to add the old class-IIA stations (there are only ~nine of them), but:
If any of them are added, all of them should be;
We would need a good third-party source, and the old station classes are no longer reflected in the FCC's records (having been superseded in 1982); and
Some of the original IIA facilities have since been downgraded significantly, like KBOI, and no longer have a significant nighttime service.