Manually scaled parameters of Ionogram at Okinawa, Japan
Ionospheric parameters are manually scaled from ionograms which are obtained at Okinawa, Japan by the swept frequency ionosonde for the range between 1 and 30 MHz. Scaled parameters are the ordinary-mode critical frequencies (foE, foF1, foF2) and the minimum virtual heights (h'E, h'F1, h'F2) corresponding to E (90-120 km), and F (> 120km) layers of the ionosphere; and the minimum observation frequency (fmin), which can be a measure of the D (80-90 km) region electron density; the F layer transmission factor for the distance of 3000 km (M(3000)F2, M(3000)F1); and the sporadic E parameters (foEs, h'Es), if it exists. These parameters are manually scaled by experienced specialists every one hour. Time is Japanese Standard Time (JST), which is UTC+9 hours. Detailed explanation and interpretation of ionograms are found in "U.R.S.I. Handbook of Ionogram Interpretation and Reduction, Report UAG-23A (1972)."
|Citation:||World Data Center for Inosphere and Spaceweather, Ionospheric parameters scaled manually from an ionosonde in Okinawa, Japan, doi:10.17594/5704b8e3a7ffa|
|Temporal resolution:||1 hour|
|Stop date:||1 hour, before Present|
|(Note:||Latitudes and longitudes are expressed in decimal degrees. Eastern longitudes and Northern latitudes are positive.)|
|Citation & Contact Information|
|Acknowledgements:||If you plan to publish a paper and/or have a presentation using our data, please contact us before submission. We would like to discuss about joint authorship or acknowledgement.|
|Contact Persons:||Mamoru Ishii|
Digital Object Identifier
|How to Cite Datasets:||http://www.dcc.ac.uk/resources/how-guides/cite-datasets
Ball, A. and M. Duke , How to cite datasets and link to publications, DCC How-to Guides, Edinburgh: Digital Curation Centre.