ULF Magnetometer System
Thumbnail Pre-Generator

Thumbnail Generator

Click Process next to a station to generate thumbnails for all its PDF files.
Thumbnails are cached in /var/www/html/ULF/data_plot/thumbcache/
JPG and PNG files are served directly and are not processed here.
Existing thumbnails are skipped unless the source PDF is newer.

Overall cache: 858.04 MB across 14750 thumbnails

StationPDFsCached ThumbsCache SizeAction
NAL1005100254.84 MBProcess
LYR1006100456.36 MBProcess
ISR34234217.88 MBProcess
HOR68668427.42 MBProcess
NAQ1821829.51 MBProcess
UNH75475340.96 MBProcess
SNK74774535.93 MBProcess
IQA1484148482.65 MBProcess
MCM17231723122.61 MBProcess
SPA13961395103.72 MBProcess
VNA91391363.6 MBProcess
KSS1024102453.16 MBProcess
JBS1388138883.4 MBProcess
HAL88788731.89 MBProcess
RTH95295160.61 MBProcess
ZK11861869.92 MBProcessing...
ZK2000 BProcess
ZK387873.56 MBProcess
SDY000 BProcess
PG2000 BProcess
PG3000 BProcess
PG4000 BProcess
PG5000 BProcess

Processing: ZK1

scandir returned: 315 entries

PDF files found: 0

186 PDF files found.

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Station cache size9.92 MB
Generated / Skipped / Errors0 / 186 / 0

Done. Finished at 2026-05-28 15:06:26 UTC

Process next station: ZK2 →