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Hi again, re: > Thank you very much for your help. Will it usually be one or the other, or > could there be times when both are delivered? The NWS Service Change Notice says that the GOES-17 ABI imagery will be replaced by GOES-18 ABI imagery during the interleave tests, and I think that they have been trying to imply that when GOES-18 imagery is flowing, GOES-17 imagery will _not_ be flowing, but I can say from experience that sometimes cutovers "like this" have had some overlap. I think that the best approach is to REQUEST both GOES-17 and GOES-18 imagery since this would eliminate the chore of switching from one to the other in your LDM configuration file and then having to restart your LDM for the change(s) to take effect. Quick question: - did you see the note sent out to the address@hidden email list about the current GOES-18 interleave test? The note was sent by a member of the Unidata user community, and, since the interleave test is much the same as the previous interleave test that occurred in May, I didn't think it was necessary to repeat the information in the user's announcement or the one we sent earlier. Perhaps this was shortsighted of me? Additional comment: - another way to modify your REQUEST is to include WEST in the extended regular expression, and not specify G17 Here is one example of how to do this: Example Product ID: /data/cspp-geo/WEST/OR_ABI-L1b-RadF-M6C13_G18_s20222152030205_e20222152039524_c20222152039584.nc REQUEST DIFAX "WEST/OR_ABI-L1b-RadF" idd.unidata.ucar.edu WEST is included in the Product IDs regardless of the image being from GOES-17 or GOES-18. Cheers, Tom -- **************************************************************************** Unidata User Support UCAR Unidata Program (303) 497-8642 P.O. Box 3000 address@hidden Boulder, CO 80307 ---------------------------------------------------------------------------- Unidata HomePage http://www.unidata.ucar.edu **************************************************************************** Ticket Details =================== Ticket ID: CMJ-104491 Department: Support IDD Priority: Normal Status: Closed =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.