This service allows to plot magnetograms from 21 observatories belonging to the BCMT network.
We recommend using 'Chrome' or 'Firefox' browser to get the best result.
To save the magnetograms, you can either 'print to a PDF file' or use a screen capture software.

Available Observatories  

Time Range from    ...   to       

Data Type v : Raw variation, 1 hour or 1 day latency; realtime 1-minute data for CLF, DLT, IPM, MBO, PHU, PPT, TAM.
p : Provisional (verified and despiked), available for AMS, CZT, DMC, DRV and PAF within 1-2 months.
q : Quasi-definitive, available within 1.5 to 3 months after data collection.
d : Definitive, available within 5 to 9 months after the end of the year.

Data Interval 1-second, not available for: BNG, BOX, KOU, PSM, QSB, TAN and VLJ.
Hourly means*
Daily means*
Monthly means*             * only for quasi-definitive and definitive data

Magnetic components X   H      Y or E        D   I      Z      Fv      Fv-Fs