OK, discovery channel time... The Land of the Spike (aka: "SH4 and the Beanstalk":
It took me a while, but I did find my old RFB v1.5, and opening the file for Truk, which there are only two changes in RFB, and they are both for that area. Look closely at the left edge, and you can see about 6 pixels wide of anomalies, up and down that left edge:
Look even closer, in the upper left corner, and if I zoom in on it, you will see this:
This is from the E151N008 sector, and the E152N008 sector has a similar "bump" in the upper left of the file. This is all the further though, that you have to look. I had similar issues doing the Pearl Harbor, and again when doing Osaka Bay, where the RAW format can only "translate" once, and once only. It can also not be temporarily saved to a different format and re-opened the next day or week or ever - no future editing. All of the edits have to be performed in one fell swoop, saved to RAW, and never opened again for editing, but then translated to ZHF (Zero Height Format). The ZHF file system does not like us mere mortals messing with its files in PhotoShop at all... If I get time after FotRSU and CMN mods, I might take that on in a few of the other mods, but in the meantime, will a volunteer please step forward? aanker, you appear to be standing all alone all of a sudden...
