summer (A-26) schedules end on Oct 25 and broadcasters switch to B-26. Based on the usual pattern: nights get longer, so 49/41/31 m stay open later and 19/16/13 m close earlier, and a lot of evening services drop to lower frequencies. Clocks change around the same weekend, so some broadcasts shift an hour in UTCThe s while others keep UTC and move on your clock.
I run a free schedule site (ShortwaveHQ, built from EIBI + HFCC data, no login). I snapshotted the A-26 baseline on Oct 7 so the changes can be measured: 318 stations, 4,974 broadcasts, 822 frequencies. When the B-26 file is out, the page lists every station that dropped, every new service and every frequency change.
hqshortwaveradio.com/season-change/
Two things I'd like from this group:
1. Which stations do you want to see tracked first (WRMI, WWCR, Radio Romania, others)?
2. If a frequency or time on the site looks wrong for your area, tell me and I'll check it against EIBI.
Full disclosure: it's my site. The schedule pages have no ads; the review pages have Amazon affiliate links.