Accessing data from the Apollo Passive Seismic Experiment Network - FDSN Code XA (1969-1977)

Station metadata

XA station metadata are available in dataless SEED format at:
Dataless SEED file by station or by Network are available.

Time series

Time series are available at the FTP server:
FTP anonymous server:
Directory: data/XA
(Direct link:

Data are organized as follows:
  • One tar file by year containing the miniSEED data
  • Within the tar file, data are organized in sub-directories YYYY/STATION/CHANNEL and the name of each miniSEED file is NETWORK.STATION..CHANNEL.YYYY.DOY
    DOY : day of the year (no zero-padded 1..36[56])