HamSCI @ AGU 2021
HamSCI @ AGU 2021
This week, many HamSCI members are presenting their research at the American Geophysical Union (AGU) Fall Meeting in New Orleans and Virtually Online. The AGU Fall meeting is one of the largest profession geoscience meetings in the world, and consists of about 24,000 attendees. The scientific program includes sessions pertaining to all areas of geophysics, including space weather, the solar wind, auroral activity, the ionosphere, and the neutral atmosphere. Below is a list of selected presentations and sessions being given by HamSCI members, or of general interest to ham radio operators. The complete scientific program is available here.
Direct Links to Selected HamSCI iPosters
- SA35F-1949 - Construction and Operation of a HamSCI Grape Version 1 Personal Space Weather Station: A Citizen Scientist’s Perspective (Joe Hobart W7LUX et al.)
- SA35F-1950 - An Easily Constructed High Resolution 3 Axis Magnetometer for Backyard Citizen Science (Julius Madey K2KGJ et al.)
- SA15A-1918 - Climatology of Traveling Ionospheric Disturbances Observed by HamSCI Amateur Radio with Connections to Geospace and Neutral Atmospheric Sources (Diego Sanchez KD2RLM et al.)
- SA35F-1954 - Observations of Mid-latitude Irregularities Using the Oblique Ionosonde Sounding Mode for the HamSCI Personal Space Weather Station (Dev Joshi KC3PVE et al.)
Selected AGU Presentations of Interest to HamSCI
Selected AGU Sessions of Interest to HamSCI
The MacGyver Session: The Place for Novel, Exciting, Self-Made, Hacked, or Improved Sensors and Software Solutions to Understand Space Weather
Traveling ionospheric disturbances are space weather in nature and cause fluctuations in electron density that can have impacts on HF propagation. Two techniques, GNSS based total electron content (integrated density through the ionosphere and plasmasphere), and incoherent scatter radar (direct altitude profiles of temperature, density, velocity), can provide spatial structure information on these disturbances.
Solar flares cause D region based HF blackouts, but have effects through the ionosphere and neutral atmosphere. September 2017 was characterized by multiple solar flares as well as large geomagnetic storm perturbations. Studying these helps understand the system's response to forcing.
At mid-latitudes over North America, we have known for more than a decade that HF radars (SuperDARN) see almost constant backscatter from small-scale irregularities moving at slow ionospheric speeds. The causes of these irregularities are still under investigation, but they are very useful as a remote diagnostic. This will give updates on progress toward understanding the irregularity origins. Their presence may cause short time period HF propagation path changes.