Instrument Description
Digisonde Portable Sounder

Antenna Configuration

Internet Connection
Scenarios

SAO Explorer
SAO-X Interactive Ionogram Processing Tools Homepage

Drift Data Analysis
DDA Software

Drift-X Homepage

ARTIST
Reprocessing ionograms with ARTIST

ARTIST-4 Computer
ARTIST-4 computer description

Personalizing ARTIST-4 (station-specific data)

FREE SOFTWARE
IRI-2001 WINDOWS

Data
Digital Ionogram Database
(DIDBase) Homepage

Data Formats
SAO XML 5.0

IIWG SAO 4.3 Format

IIWG SAO 4.2 Format

IIWG "CHARS" Format

Digisonde Directograms

Geospace Models
Latest sunspot numbers
from NGDC NOAA

600 Suffolk Street, Suite 315
Lowell, MA 01854
Tel: 978-934-4900
Fax: 978-459-7915