[TangerineSDR] Bi-Weekly HamSCI Telecon This Thursday

Dr. Nathaniel A. Frissell Ph.D. nathaniel.frissell at scranton.edu
Tue Jan 19 08:42:04 EST 2021

Hi HamSCI,

This week is our bi-weekly HamSCI telecon on Thursday, January 21st at 2000z / 3 PM Eastern.
Here is the link: https://scranton.zoom.us/j/286316405?pwd=QWdwMlFPbDlYeXg5ZDg1dmYzeFdCUT09
If you are asked for a password, it is "hamsci".

Our post-doc, Dr. Dev Joshi KC3PVE, will give us an update on his recent work at looking at the ROTHR Chirp Ionosonde in Chesapeake, VA with a receiver in Spring Brook, PA. Full abstract below.

Also, we are now accepting abstracts for the 2021 HamSCI workshop! Please submit at http://hamsci.org/hamsci2021

73 de Nathaniel W2NAF

Developing an Ionospheric Sounding Mode Using Chirp Ionosondes of Opportunity for the HamSCI Personal Space Weather Station : Status and Early Results

- Dev Joshi1, Nathaniel Frissell1, William Liles2, Juha Vierinen3, Ethan Miller 2,4

1The University of Scranton, Pennsylvania, USA, 2HamSCI Community, Scranton, PA, USA,3University of Tromsø, Tromsø, Norway, 4Systems & Technology Research, Ohio, USA

The objective of the Ham Radio Science Citizen Investigation (HamSCI) Personal Space Weather Station (PSWS) project is to develop a distributed array of ground-based multi-instrument nodes capable of remote sensing the geospace system. This system is being designed with the intention of distribution to a large number of amateur radio and citizen science observers. This will create an unprecedented opportunity to probe the ionosphere at finer resolution in both time and space as all measurements will be collected into a central database for coordinated analysis.

Individual nodes are being designed to service the needs of the professional space science researcher while being cost-accessible and of interest to amateur radio operators and citizen scientists. At the heart of the HamSCI PSWS will be a high performance 1 - 50 MHz software defined radio (SDR) with GNSS-based precision timestamping and frequency reference. This SDR is known as the TangerineSDR and is being developed by the Tucson Amateur Packet Radio (TAPR) amateur radio organization. The primary objective of PSWS system is to gather observations to understand the short term and small spatial scale ionospheric variabilities in the ionosphere-thermosphere system. These variabilities are important for understanding a variety of geophysical phenomena such as Traveling Ionospheric Disturbances (TIDs), Ionospheric absorption events, geomagnetic storms and substorms. We present early results of an ionospheric sounding mode that we intend to implement on the PSWS system, currently implemented on an Ettus N200 Universal Software Radio Peripheral (USRP) using the open source GNU Chirpsounder data collection and analysis code.

Dr. Nathaniel A. Frissell, Ph.D., W2NAF
HamSCI Lead
Assistant Professor
Department of Physics and Electrical Engineering
University of Scranton
(973) 787-4506

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