"First Observations of Large Scale Traveling Ionospheric Disturbances U" by Nathaniel A. Frissell, Stephen R. Kaeppler et al.
 

First Observations of Large Scale Traveling Ionospheric Disturbances Using Automated Amateur Radio Receiving Networks

Document Type

Article

Publication Date

3-16-2022

Abstract

We demonstrate a novel method for observing Large Scale Traveling Ionospheric Disturbances (LSTIDs) using high frequency (HF) amateur radio reporting networks, including the Reverse Beacon Network (RBN), Weak Signal Propagation Reporter Network (WSPRNet), and PSKReporter. LSTIDs are quasi-periodic variations in ionospheric densities with horizontal wavelengths >1,000 km and periods between 30 and 180 min. On Nov 3, 2017, LSTID signatures were observed simultaneously over the continental United States in amateur radio, SuperDARN HF radar, and GNSS Total Electron Content with a period of ∼2.5 hr, propagation azimuth of ∼163°, horizontal wavelength of ∼1680 km, and phase speed of ∼1,200 km hr−1. SuperMAG SME index enhancements and Poker Flat Incoherent Scatter Radar measurements suggest the LSTIDs were driven by auroral electrojet intensifications and Joule heating. This novel measurement technique has applications in future scientific studies and for assessing the impact of LSTIDs on HF communications.

Identifier

85126601453 (Scopus)

Publication Title

Geophysical Research Letters

External Full Text Location

https://doi.org/10.1029/2022GL097879

e-ISSN

19448007

ISSN

00948276

Issue

5

Volume

49

Grant

AGS‐2002278

Fund Ref

National Science Foundation

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